CA2326919C - Prosthetic implant element - Google Patents
Prosthetic implant element Download PDFInfo
- Publication number
- CA2326919C CA2326919C CA002326919A CA2326919A CA2326919C CA 2326919 C CA2326919 C CA 2326919C CA 002326919 A CA002326919 A CA 002326919A CA 2326919 A CA2326919 A CA 2326919A CA 2326919 C CA2326919 C CA 2326919C
- Authority
- CA
- Canada
- Prior art keywords
- end plate
- bone
- fins
- lobe
- anterior
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30907—Nets or sleeves applied to surface of prostheses or in cement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2/30965—Reinforcing the prosthesis by embedding particles or fibres during moulding or dipping
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4611—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of spinal prostheses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/3006—Properties of materials and coating materials
- A61F2002/30069—Properties of materials and coating materials elastomeric
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
- A61F2002/3011—Cross-sections or two-dimensional shapes
- A61F2002/30182—Other shapes
- A61F2002/30187—D-shaped or half-disc-shaped
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30563—Special structural features of bone or joint prostheses not otherwise provided for having elastic means or damping means, different from springs, e.g. including an elastomeric core or shock absorbers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30604—Special structural features of bone or joint prostheses not otherwise provided for modular
- A61F2002/30616—Sets comprising a plurality of prosthetic parts of different sizes or orientations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2002/30769—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth madreporic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30795—Blind bores, e.g. of circular cross-section
- A61F2002/30807—Plurality of blind bores
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/3082—Grooves
- A61F2002/30827—Plurality of grooves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30841—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30841—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
- A61F2002/30845—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes with cutting edges
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30878—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
- A61F2002/30891—Plurality of protrusions
- A61F2002/30892—Plurality of protrusions parallel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0028—Shapes in the form of latin or greek characters
- A61F2230/0034—D-shaped
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00029—Cobalt-based alloys, e.g. Co-Cr alloys or Vitallium
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00395—Coating or prosthesis-covering structure made of metals or of alloys
- A61F2310/00407—Coating made of titanium or of Ti-based alloys
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00592—Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds
- A61F2310/00796—Coating or prosthesis-covering structure made of a phosphorus-containing compound, e.g. hydroxy(l)apatite
Abstract
An implantable prosthetic element includes a first end plate and a second end plate, each of which has a bone-facing surface and an opposed mating surface. The bone-facing surfaces of the first end plate and the second end plate each have at least one lobe protruding therefrom. Some or all of the lobes may have a plurality of wedge--like fins which protrude therefrom. A core is interposed between, and attached to, the mating surfaces of the first end plate and the second end plate.
Description
PROSTHETIC IMPLANT ELEMENT
FIELD OF THE INVENTION
The present invention relates to medical devices, and particularly to prosthetic implant components, and more particularly to an implantable artificial spinal disc.
BACKGROUND OF THE INVENTION
Advancing age, as well as injuries, can lead to changes in the various bones, discs, joints, and ligaments of the body. Such changes and injuries often manifest themselves in the form of damage or degeneration of a spinal disc, the result of which is mild to severe chronic back pain. Under certain circumstances, this pain can be lessened or completely alleviated by removal of the damaged or degenerated spinal disc, followed by the implantation of an artificial intervertebral disc.
Many artificial intervertebral discs are known, such as those disclosed in U.S.
Patent Nos. 5,893,889 to Harrington, 5,683,465 to Shinn et al.5,674,294 to Bainville et al., 5,458,643 to Oka et al., 5,306,309 to Wagner et al., 5,246,458 to Graham, and 4,759,769 to Hedman. There remains a need, however, to substantially simulate a healthy spinal disc, while still allowing for ease of insertion and/or removal of the prosthetic device, and while providing adequate protection against expulsion of the implanted prosthetic disc. Thus, it remains a goal in the art to produce a prosthetic device, such as an artificial intervertebral disc, that possesses these properties.
SUMMARY OF THE INVENTION
The present invention provides an implantable prosthetic element. Although the invention is primarily shown and described as an artificial disc prosthesis, it is understood that the invention has other applications as well, such as for use as an ankle or heel prosthesis.
The implantable prosthetic element has a first end plate and a second end plate, each of which has a bone-facing surface and an opposed mating surface. The bone-facing surfaces of the first end plate and the second end plate each have a plurality of, lobes protruding therefrom. A core is interposed between and attached to the mating surfaces of the first end plate and the second end plate. The prosthetic element is constructed such that the thickness is greater at the anterior side than at the posterior side. As a result, the lobe surface is generally oriented at an angle, sloping from the anterior to the posterior side_ Some or all of the plurality of lobes include one or more wedge-like fins which protrude therefrom. The lobes may also include a plurality of surface features that promote osteo-integration.
In one embodiment of the present invention, the first end plate and the second end plate each contain two lobes, with a slot separating the two lobes of each end plate.
Each slot may optionally include one or more recesses to facilitate insertion and/or extraction of the element from its implantation site.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will be more fully understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a perspective view of an implantable prosthetic element in accordance with the present invention;
FIG. 1A is a top, plan view of a wedge-like fin of the element of FIG. 1;
FIG. 1B is a perspective view of a wedge-like fin of the element of FIG. 1;
FIG. 1C is a side view of a wedge-like fin of the element of FIG. 1C;
FIELD OF THE INVENTION
The present invention relates to medical devices, and particularly to prosthetic implant components, and more particularly to an implantable artificial spinal disc.
BACKGROUND OF THE INVENTION
Advancing age, as well as injuries, can lead to changes in the various bones, discs, joints, and ligaments of the body. Such changes and injuries often manifest themselves in the form of damage or degeneration of a spinal disc, the result of which is mild to severe chronic back pain. Under certain circumstances, this pain can be lessened or completely alleviated by removal of the damaged or degenerated spinal disc, followed by the implantation of an artificial intervertebral disc.
Many artificial intervertebral discs are known, such as those disclosed in U.S.
Patent Nos. 5,893,889 to Harrington, 5,683,465 to Shinn et al.5,674,294 to Bainville et al., 5,458,643 to Oka et al., 5,306,309 to Wagner et al., 5,246,458 to Graham, and 4,759,769 to Hedman. There remains a need, however, to substantially simulate a healthy spinal disc, while still allowing for ease of insertion and/or removal of the prosthetic device, and while providing adequate protection against expulsion of the implanted prosthetic disc. Thus, it remains a goal in the art to produce a prosthetic device, such as an artificial intervertebral disc, that possesses these properties.
SUMMARY OF THE INVENTION
The present invention provides an implantable prosthetic element. Although the invention is primarily shown and described as an artificial disc prosthesis, it is understood that the invention has other applications as well, such as for use as an ankle or heel prosthesis.
The implantable prosthetic element has a first end plate and a second end plate, each of which has a bone-facing surface and an opposed mating surface. The bone-facing surfaces of the first end plate and the second end plate each have a plurality of, lobes protruding therefrom. A core is interposed between and attached to the mating surfaces of the first end plate and the second end plate. The prosthetic element is constructed such that the thickness is greater at the anterior side than at the posterior side. As a result, the lobe surface is generally oriented at an angle, sloping from the anterior to the posterior side_ Some or all of the plurality of lobes include one or more wedge-like fins which protrude therefrom. The lobes may also include a plurality of surface features that promote osteo-integration.
In one embodiment of the present invention, the first end plate and the second end plate each contain two lobes, with a slot separating the two lobes of each end plate.
Each slot may optionally include one or more recesses to facilitate insertion and/or extraction of the element from its implantation site.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will be more fully understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a perspective view of an implantable prosthetic element in accordance with the present invention;
FIG. 1A is a top, plan view of a wedge-like fin of the element of FIG. 1;
FIG. 1B is a perspective view of a wedge-like fin of the element of FIG. 1;
FIG. 1C is a side view of a wedge-like fin of the element of FIG. 1C;
FIG. 2 is a side, elevational view of the implantable prosthetic element of FIG.
1;
FIG. 3 is a plan view of the bone-facing surface of the first end plate of the implantable prosthetic element of FIG. 1;
FIG. 3A is a plan view of an alternate embodiment of the bone-facing surface of the first end plate of the implantable prosthetic element of FIG. 1;
FIG. 3B is a plan view of another embodiment of the bone-facing surface of the first end plate of the implantable prosthetic element of FIG. 1;
FIG. 4 is a front, elevational view of the implantable prosthetic element of FIG.
1;
FIG. 5 is a plan view of the bone-facing surface of the second end plate of the implantable prosthetic element of FIG. 1;
FIG. 5A is a plan view of an alternate embodiment of the bone-facing surface of the second end plate of the implantable prosthetic element of FIG. 1;
FIG. 6 is a front, elevational view of the implantable prosthetic element of FIG.
1;
FIG. 7 is a sectional view along line 7-7 of the implantable prosthetic element of FIG. 4;
FIG. 8 is a sectional view along line 8-8 of the implantable prosthetic element of FIG. 3;
FIG. 8A is a sectional view along line 8A-8A of FIG. 8;
FIG. 9 is a sectional view along line 9-9 of the implantable prosthetic element of FIG. 5;
FIG. 9A is a sectional view along line 9A-9A of FIG. 9;
FIG. 10 is a schematic view of the implantable prosthetic element of FIG. 1 immediately prior to its insertion between spinal vertebrae; and FIG. 11 is a schematic view of the implantable prosthetic element of FIG. 1 following its insertion between spinal vertebrae.
DETAILED DESCRIPTION OF THE DRAWINGS
Referring initially to FIGS. 1, lA, 113, 2, 3, 4 and 5, an implantable prosthetic element 10 is shown. The element 10 has a first end plate 12 and a second end plate 14. The first end plate 12 has a bone-facing surface 42 and an opposed mating surface 44, and the second end plate 14 has a bone-facing surface 46 and an opposed mating surface 48. An elastomeric core 16 is interposed between and attached to the mating surfaces 44, 46 of the first and second end plates 12, 14.
The first and second end plates 12, 14 include bone-facing surfaces 42, 46. As shown in FIGS. 1 and 2-4, the bone facing surface 42 of the first end plate 12 includes adjacent lobes 22, 23 separated by at least one slot 20. The slot 20 may include one or more extraction recesses 26, formed as blind bores in the slot surface. A
further surface feature 26A may also be formed on the surface of slot 20 of the bone-facing surface 42 of the first end plate 12, serving as a visual key to indicate the top or superior surface of element 10. Surface feature 26A may be in the form of a recess or a protrusion. Similarly, as shown in FIGS. 5-7, the second end plate 14 has a bone-facing surface 46 with adjacent lobes 24, 25 that are separated by a slot 21.
Either or both of the bone-facing surfaces 42, 46 of the first end plate 12 and the second end plate 14 of the element 10 can include one or more bone-penetrating, wedge-like fins protruding therefrom.
One of ordinary skill in the art will appreciate that bone-facing surfaces 42, may include only a single lobe, or more than two lobes. If only a single lobe is present, there need not be a slot. If more than two lobes are present, more than one slot may exist.
In the illustrated embodiment, each lobe 22, 23, 24, 25 is elevated above the surfaces of slots 20, 21. FIGS. 2 and 7 illustrate that the dimensions and geometry of the end plates 12, 14 and the lobes 22, 23, 24, 25 cause the overall thickness (T) of the element 10 to taper from the anterior face (A) to the posterior face (P) at an angle in the range of about 2 to 35 , and more preferably about 5 to 15 . Thus, the thickness (T) of the element 10 is greatest when measured between the anterior portions of the lobes, and least when measured between the posterior portions of the lobes. The thickness T
of element 10 at the anterior side is in the range of about 5 to 21 mm, while the thickness T at the posterior side is in the range of about 1 mm to 15 nun.
1;
FIG. 3 is a plan view of the bone-facing surface of the first end plate of the implantable prosthetic element of FIG. 1;
FIG. 3A is a plan view of an alternate embodiment of the bone-facing surface of the first end plate of the implantable prosthetic element of FIG. 1;
FIG. 3B is a plan view of another embodiment of the bone-facing surface of the first end plate of the implantable prosthetic element of FIG. 1;
FIG. 4 is a front, elevational view of the implantable prosthetic element of FIG.
1;
FIG. 5 is a plan view of the bone-facing surface of the second end plate of the implantable prosthetic element of FIG. 1;
FIG. 5A is a plan view of an alternate embodiment of the bone-facing surface of the second end plate of the implantable prosthetic element of FIG. 1;
FIG. 6 is a front, elevational view of the implantable prosthetic element of FIG.
1;
FIG. 7 is a sectional view along line 7-7 of the implantable prosthetic element of FIG. 4;
FIG. 8 is a sectional view along line 8-8 of the implantable prosthetic element of FIG. 3;
FIG. 8A is a sectional view along line 8A-8A of FIG. 8;
FIG. 9 is a sectional view along line 9-9 of the implantable prosthetic element of FIG. 5;
FIG. 9A is a sectional view along line 9A-9A of FIG. 9;
FIG. 10 is a schematic view of the implantable prosthetic element of FIG. 1 immediately prior to its insertion between spinal vertebrae; and FIG. 11 is a schematic view of the implantable prosthetic element of FIG. 1 following its insertion between spinal vertebrae.
DETAILED DESCRIPTION OF THE DRAWINGS
Referring initially to FIGS. 1, lA, 113, 2, 3, 4 and 5, an implantable prosthetic element 10 is shown. The element 10 has a first end plate 12 and a second end plate 14. The first end plate 12 has a bone-facing surface 42 and an opposed mating surface 44, and the second end plate 14 has a bone-facing surface 46 and an opposed mating surface 48. An elastomeric core 16 is interposed between and attached to the mating surfaces 44, 46 of the first and second end plates 12, 14.
The first and second end plates 12, 14 include bone-facing surfaces 42, 46. As shown in FIGS. 1 and 2-4, the bone facing surface 42 of the first end plate 12 includes adjacent lobes 22, 23 separated by at least one slot 20. The slot 20 may include one or more extraction recesses 26, formed as blind bores in the slot surface. A
further surface feature 26A may also be formed on the surface of slot 20 of the bone-facing surface 42 of the first end plate 12, serving as a visual key to indicate the top or superior surface of element 10. Surface feature 26A may be in the form of a recess or a protrusion. Similarly, as shown in FIGS. 5-7, the second end plate 14 has a bone-facing surface 46 with adjacent lobes 24, 25 that are separated by a slot 21.
Either or both of the bone-facing surfaces 42, 46 of the first end plate 12 and the second end plate 14 of the element 10 can include one or more bone-penetrating, wedge-like fins protruding therefrom.
One of ordinary skill in the art will appreciate that bone-facing surfaces 42, may include only a single lobe, or more than two lobes. If only a single lobe is present, there need not be a slot. If more than two lobes are present, more than one slot may exist.
In the illustrated embodiment, each lobe 22, 23, 24, 25 is elevated above the surfaces of slots 20, 21. FIGS. 2 and 7 illustrate that the dimensions and geometry of the end plates 12, 14 and the lobes 22, 23, 24, 25 cause the overall thickness (T) of the element 10 to taper from the anterior face (A) to the posterior face (P) at an angle in the range of about 2 to 35 , and more preferably about 5 to 15 . Thus, the thickness (T) of the element 10 is greatest when measured between the anterior portions of the lobes, and least when measured between the posterior portions of the lobes. The thickness T
of element 10 at the anterior side is in the range of about 5 to 21 mm, while the thickness T at the posterior side is in the range of about 1 mm to 15 nun.
Element 10 has an anterior side (A) and a posterior side (P), with an anterior-posterior (A-P) axis 100 extending therebetween. A transverse axis 200 extends through element 10 perpendicular to the A-P axis 100. As shown in FIGS. 1, 2, 4, 6 and 7, each of the first and second bone-facing surfaces 42, 46 includes a peripheral flange 54, 56 which extends beyond the perimeter of the lobes 22, 23, 24, 25.
As shown in the top plan views of FIGS. 3, 3A, 3B, 5 and 5A, the peripheral flanges 54, 56 of the bone-facing surfaces 42, 46 are similarly sized and shaped.
As noted above, element 10 may contain bone-penetrating, wedge-like fins 18 to enhance secure implantation of the element 10 at the desired location, and to prevent the expulsion of the element from its implantation location. The fins 18 may vary in shape, number, and in their placement on either of both of the end plates 12, 14.
As illustrated, exemplary fins 18 are elongated, with a length (L) that extends from a leading end 17 of each fin to a trailing end 19 of each fin such that the length of each fin is greater than a width (W) of each fin. Each fin 18 also has a height (H) that increases from the leading end 17 of the fin to the trailing end 19 of each fin. In one embodiment, the height Hf of each fin 18 is in the range of about 0.1 mm to 5.0 nun, and more preferably in the range of about 1.0 mm to 2.0 mm. at the trailing end 19 of the fin. Generally, the length Lf of each fin is in the range of about 1 mm to 30 mm, and more preferably about 3 mm to 9 mm, and the width Wf of each fin, at its widest point, is in the range of about 1 mm to 4 mm.
Due to the increasing height of each fin from leading end 17 to trailing end 19, the crest 36 of each fin extends from the leading end 17 of the fin to the trailing end 19 of the fin at an angle of extension (a). The angle of extension a may be in the range of about 5 to 85 with respect to a horizontal reference (H).
As shown in FIGS. 1 and 1A-iC, each fin 18 may have a substantially triangular profile, with supporting legs 38, 40 that form first and second bone-contacting surfaces 30, 32 that diverge from the crest 36. The supporting legs 38, 40 extend from the crest 36 to the bone-facing, superior surface 42, 46 of an end plate 12, 14 at an angle (0) in the range of about 5 to 85 from a vertical reference (V) as shown in FIG.
1C.
In one embodiment, the trailing end 19 of each fin 18 includes an end face 34 that extends from the crest 36 to the bone-facing surface 42, 46 of end plates 12, 14.
Preferably, the end face 34 is generally anterior-facing. The end face 34 is shown in FIG. 1B as being substantially perpendicular to a horizontal reference (H) and substantially parallel to a vertical reference (V). End face 34, however, may also be non-parallel to the vertical reference (V), such as, for example, undercut or overcut with respect to the vertical reference (V) as shown by dashed lines in FIG.
IC.
Although fins 18 are described and illustrated as having a substantially wedge-like shape with a triangular profile, one of ordinary skill in the art will appreciate that other shapes may be used as well. It is also understood that the dimensions, i.e., height, length, and width of the fins may vary, as may the overall geometry of the fins.
With respect to the number of fins 18, there should generally be at least one fin protruding from each of the bone-facing surface 42 of the first end plate 12 and the bone-facing surface 46 of the second end plate 14. Preferably, the number of fins on each of the bone-facing surface 42 of the first end plate 12 and the bone-facing surface of the second end plate 14 is identical. In exemplary embodiments of the present invention, the number of fins protruding from each bone-facing surface 42, 46 is four (see FIGS. 3 and 5) and six (see FIGS. 3A, 3B and 5A). One of ordinary skill in the art, however, will understand that the number of fins 18 protruding from each bone-facing surface 42, 46 need not be identical. And, the number of fins 18 protruding from each bone-facing, superior surface 42, 46 may be greater than six or less than four.
Each fin 18 should be arranged on bone-facing surfaces 42, 46 such that the crests 36 of each fin are substantially parallel to each other. In one embodiment, shown in FIGS. 3, 3A, 5 and 5A, the fins 18 are arranged such that crests 36 are substantially parallel to the anterior-posterior axis 100 of the element. In other embodiments, for example FIG. 3B, the fins 18 may be oriented such that crests 36 extend at an angle with respect to the anterior-posterior (A-P) axis 100. One of ordinary skill in the art will readily appreciate that the fins 18 should be oriented so that the crests 36 are parallel with the desired angle of insertion to be used by a surgeon during surgical installation of element 10. For example, if element 10 is to be used as an artificial intervertebral disc, the crests 36 of the fins 18 will be parallel to the A-P
axis 100 if an anterior surgical approach is to be used. Alternatively, the crests 36 of the fins will be angled as shown in FIG. 3B if an anterior-lateral approach is to be used. One of ordinary skill in the art can readily determine an appropriate angular orientation of fins 18.
The fins 18 may be arranged on the bone-facing surfaces 42, 46 in a variety of patterns, which will be readily apparent to one of ordinary skill in the art.
Exemplary patterns are illustrated in FIGS. 1, 3, 3A, 3B, 5 and 5A.
One of ordinary skill in the art will appreciate that although fins 18 exist in a currently preferred embodiment of the invention, an implantable prosthetic element may be constructed without fins.
As shown in FIGS. 1, 2, 4, 6 and 7, the elastomeric core 16 is interposed between and attached to the first end plate 12 and the second end plate 14 as disclosed in U.S. Patent No. 5,824,094 to Serhan, which is expressly incorporated by reference herein. The core 16 has a superior core surface 50, an inferior core surface 52 and a central peripheral portion 58.
As noted above, peripheral flanges 54, 56 form the perimeter or widest portions of the first and second end plates 12, 14. The perimeter of the core peripheral portion 58 is generally about equal to the perimeter of the first and second peripheral flanged portions 54, 56 at the superior and inferior core surfaces 50, 52. However, the core 16 is preferably sub-flush with respect to the end plates 12, 14 such that the perimeter of the core peripheral portion 58 tapers inward to a center portion from both the superior core surface 50 and the inferior core surface 52. Thus, the perimeter of the central peripheral portion 58 of core 16 is generally less than the perimeter of the superior and inferior core surfaces 50, 52 of core by an amount in the range of about 0.1 nun to 4 mm. One of ordinary skill in the art will understand, however, that alternate geometries may be utilized as well. For example, the peripheral flanges 54, 56 may be different sizes, and the perimeter of the core 16 need not be sub-flush with respect to end plates 12, 14.
The lobes 22, 23, 24, 25 may have various shapes and dimensions in accordance with the present invention. Each lobe has an anterior portion, a posterior portion and first and second side portions. As shown in FIG. 3, lobe 22 has an anterior portion 60, a posterior portion 62, a first side portion 64, and a second side portion 66, while lobe 23 has an anterior portion 70, a posterior portion 72, a first side portion 74, and a second side portion 76. As shown in FIG. 5, lobe 24 has an anterior portion 80, a posterior portion, 82, a first side portion 84, and a second side portion 86, while lobe 23 has an anterior portion 90, a posterior portion 92, a first side portion 94, and a second side portion 96.
Lobes 22, 23, 24, 25 have heights that are defined as the distance each lobe protrudes from the surface of slots 20, 21 of end plates 12, 14. In an exemplary embodiment of the present invention, the orientation of the bone-facing surfaces 42, 46, which are generally angled from the anterior side to the posterior side with respect to horizontal, has the effect that the height of each of lobes 22, 23, 24, 25 decreases from their anterior portions 60, 70, 80, 90 to their posterior portions 62, 72, 82, 92. In general, the height of each lobe 22, 23, 24, 25 is in the range of about 1 mm to 6 nun at the anterior side to about 0.1 mm to 1.0 nun at the posterior side In an exemplary embodiment of the present invention, each of lobes 22, 23, 24, 25 is coated, plated or otherwise treated as is generally known in the art to provide a surface with features that promote osteo-integration. The osteo-integration enhancing surface features may be provided by, for example, applying a porous or beaded coating of a biocompatible material (e.g., titanium), a mesh layer, or a hydroxy apatite coating.
One of ordinary skill in the art will appreciate that all or part of lobes 22, 23, 24, 25 may be treated to provide osteo-integration. It is also understood that portions of the bone-facing surfaces 42, 46, in addition to or in lieu of the lobes, may be treated to provide osteo-integration enhancing surface features.
As noted above, the slots 20, 21 represent unlobed areas of the bone-facing surfaces 42, 46 of the end plates 12, 14. In one embodiment, the widths (W1, W2) of slots 20, 21 may be substantially constant along the entire anterior-posterior length (LAP) of the element 10. The widths (W1, W2) should be sufficient to enable an installation tool (not shown) to grasp the element 10, and position the element in its implantation site. The widths (W 1, W2) of slots 20, 21 generally are equal.
In FIGS. 1, 3, 5 and 5A widths W1 And W2 are shown as being identical and substantially constant and oriented to be parallel to the anterior-posterior axis 100 of the element 10. This design is preferred when the element 10 is to be inserted via an anterior approach. Alternatively, the slots 20, 21 may be configured in other ways to accommodate an anterior-lateral insertion technique. For example, the width (WI, W2) of slots 20, 21 can increase from the anterior side to the posterior side, or from the posterior side to the anterior side, as shown in FIG. 3B by dashed lines. FIG.
illustrates another alternative in which the slots 20, 21 (shown by dashed lines) are widest at the anterior side and narrowest at the posterior side of the element 10. In either embodiment, the width (Wi, W2) is generally in the range of about 4 mm to 14 mm.
FIGS. 8, 8A, 9, and 9A further illustrate the geometry of lobes 22, 23, 24, and 25. As noted above, the bone-facing surfaces 42, 46 of end plates 12, 14 are substantially angled, sloping from the anterior to the posterior sides of the element 10.
In addition to being mounted upon this canted surface of the end plates 12, 14, the lobes 22, 23, 24, and 25 each have substantially dome-like profiles, causing them to be curved in both the sagittal and coronal planes.
FIGS. 4, 6, 8A and 9A illustrate the radius of curvature in the coronal plane of lobes 22, 23, 24, and 25 of end plates 12, 14. FIGS. 4 and 6 illustrate that the curve of the lobes 22, 23, 24, and 25 in the coronal plane is truncated by slots 20, 21. The radius of curvature of lobes 22 and 23 of end plate 12 (Rc,) is in the range of about 50 mm to 350 mm, and is preferably in the range of about 100 mm to 200 nun. Most preferably, Rc, is about 150 nun. The radius of curvature of lobes 24 and 25 of end plate 14 (RCZ) is generally flatter than R. As shown in FIG. 9A, RCZ may be in the range of about 50 mm to 350 mm, and more preferably is in the range of about 200 mm to 300 mm. Most preferably, RC2 is about 265 mm.
FIGS. 2, 7, 8 and 9 illustrate the radius of curvature in the sagittal plane of lobes 22, 23, 24, and 25 of end plates 12, 14. As illustrated, the lobes have a substantially dome-like profile. The radius of curvature of the lobes 22, 23 of end plate 12 (RS,) and the radius of curvatures of the lobes 24, 25 of the end plate 14 (RS2) are generally equal. The value of RS, and RS2 may be in the range of about 50 mm to 350 mm, and preferably about 100 mm to 200 nun. Most preferably, RS, and RS2 are about 140 mm.
Referring now to FIGS. 10 and 11, the element 10 of the present invention is shown immediately prior to (see FIG. 10) and following (see FIG. 11) its implantation.
Specifically, FIGS. 10 and 11 depict the sacrum 300 and lumbar portion 310 of the spine, and the five lumbar vertebrae 320, 330, 340, 350, 360. Natural discs 370, 380, 390 are located between vertebrae 320 and 330, 340 and 350, and 350 and 360.
The natural disc that was present between vertebrae 330 and 340 has been removed and will be replaced by element 10. One of ordinary skill in the art will recognize that the element 10 may replace discs 370, 380 or 390, and may also replace discs located between thoracic vertebrae (not shown) or cervical vertebrae (not shown) of the spine.
The element 10 is implanted with an insertion tool (not shown) between lumbar vertebrae 330, 340 using an anterior approach as indicated by the arrows in FIG. 10.
Specifically, the posterior portions 62, 72, 82, 92 of lobes 22, 23, 24, 25 of the end plates 12, 14 are inserted prior to the anterior portions 60, 70, 80, 90 of the lobes. One of ordinary skill in the art will recognize, however, that the element 10 may be inserted in other directions including, but not limited to, in an anterior-lateral direction. Once implanted (see FIG. 11), the first and second bone-contacting surfaces 30, 32 of each fin 18 of the first end plate 12 penetrate vertebra 330, while the first and second bone-contacting surfaces 30, 32 of the second end plate 14 penetrate vertebra 340.
The element 10 may be constructed according to the present invention in a variety of sizes depending upon factors such as patient size and intended location in the spine. Generally, the element 10 has an anterior (A) to posterior (P) length (LAP) in the range of about 5 mm to 40 mm, and a transverse length (LT) in the range of about 10 mm to 60 mm. Exemplary elements 10 may have dimensions (LAP x LT) of 34 mm x mm,31.5mmx43mm,29mmx40mm,26.5mmx37mm,and24mmx34mm.
The element also has a posterior (P) aspect thickness that may be in the range of about 1 mm to 15 mm, and an anterior (A) aspect thickness that may be in the range of about 5 mmto21mm.
The first end plate 12, second end plate 14, fins 18 and core 16 of the element 10 may be made of a variety of materials well known to those having ordinary skill in the art. The first and second end plates 12, 14 and the fins 18 are preferably made of the same material, such as a biocompatible metal or biocompatible metal-based alloy.
An exemplary metal is titanium, while exemplary alloys include, but are not limited to, stainless steel (e.g., 316 LVM stainless steel), a titanium-vanadium-aluminum alloy (e.g., an alloy having about 90% by weight titanium, about 6% by weight aluminum, and about 4% by weight vanadium), a cobalt-chromium alloy, a cobalt-chromium-molybdenum alloy and a cobalt-nickel-chromium-molybdenum alloy. The end plates 12, 14 may also be made of other biocompatible materials including, but not limited to, a composite plastic material.
The core 16 may be made of any material that simulates the characteristics of a natural disc. Exemplary materials include, but are not limited to, elastomeric materials, a polyolefin rubber (such as a non-conjugated diolefin as described in U.S.
Patent No.
5,245,098 to Summers et al., which is expressly incorporated by reference herein), or a carbon black reinforced polyolefin rubber. The hardness of the elastomeric core 16 should be between 56-72 shore A durometer, while the ultimate tensile strength of the core should be greater than 1600 psi. The core should have an ultimate elongation greater than 300% using the ASTM D412-87 testing method, and a tear resistance greater than 100 psi using the ASTM D624-86 testing method.
One of ordinary skill in the art will appreciate further features and advantages of the invention based on the above-described embodiments. Accordingly, the invention is not to be limited by what has been particularly shown and described, except as indicated by the appended claims.
As shown in the top plan views of FIGS. 3, 3A, 3B, 5 and 5A, the peripheral flanges 54, 56 of the bone-facing surfaces 42, 46 are similarly sized and shaped.
As noted above, element 10 may contain bone-penetrating, wedge-like fins 18 to enhance secure implantation of the element 10 at the desired location, and to prevent the expulsion of the element from its implantation location. The fins 18 may vary in shape, number, and in their placement on either of both of the end plates 12, 14.
As illustrated, exemplary fins 18 are elongated, with a length (L) that extends from a leading end 17 of each fin to a trailing end 19 of each fin such that the length of each fin is greater than a width (W) of each fin. Each fin 18 also has a height (H) that increases from the leading end 17 of the fin to the trailing end 19 of each fin. In one embodiment, the height Hf of each fin 18 is in the range of about 0.1 mm to 5.0 nun, and more preferably in the range of about 1.0 mm to 2.0 mm. at the trailing end 19 of the fin. Generally, the length Lf of each fin is in the range of about 1 mm to 30 mm, and more preferably about 3 mm to 9 mm, and the width Wf of each fin, at its widest point, is in the range of about 1 mm to 4 mm.
Due to the increasing height of each fin from leading end 17 to trailing end 19, the crest 36 of each fin extends from the leading end 17 of the fin to the trailing end 19 of the fin at an angle of extension (a). The angle of extension a may be in the range of about 5 to 85 with respect to a horizontal reference (H).
As shown in FIGS. 1 and 1A-iC, each fin 18 may have a substantially triangular profile, with supporting legs 38, 40 that form first and second bone-contacting surfaces 30, 32 that diverge from the crest 36. The supporting legs 38, 40 extend from the crest 36 to the bone-facing, superior surface 42, 46 of an end plate 12, 14 at an angle (0) in the range of about 5 to 85 from a vertical reference (V) as shown in FIG.
1C.
In one embodiment, the trailing end 19 of each fin 18 includes an end face 34 that extends from the crest 36 to the bone-facing surface 42, 46 of end plates 12, 14.
Preferably, the end face 34 is generally anterior-facing. The end face 34 is shown in FIG. 1B as being substantially perpendicular to a horizontal reference (H) and substantially parallel to a vertical reference (V). End face 34, however, may also be non-parallel to the vertical reference (V), such as, for example, undercut or overcut with respect to the vertical reference (V) as shown by dashed lines in FIG.
IC.
Although fins 18 are described and illustrated as having a substantially wedge-like shape with a triangular profile, one of ordinary skill in the art will appreciate that other shapes may be used as well. It is also understood that the dimensions, i.e., height, length, and width of the fins may vary, as may the overall geometry of the fins.
With respect to the number of fins 18, there should generally be at least one fin protruding from each of the bone-facing surface 42 of the first end plate 12 and the bone-facing surface 46 of the second end plate 14. Preferably, the number of fins on each of the bone-facing surface 42 of the first end plate 12 and the bone-facing surface of the second end plate 14 is identical. In exemplary embodiments of the present invention, the number of fins protruding from each bone-facing surface 42, 46 is four (see FIGS. 3 and 5) and six (see FIGS. 3A, 3B and 5A). One of ordinary skill in the art, however, will understand that the number of fins 18 protruding from each bone-facing surface 42, 46 need not be identical. And, the number of fins 18 protruding from each bone-facing, superior surface 42, 46 may be greater than six or less than four.
Each fin 18 should be arranged on bone-facing surfaces 42, 46 such that the crests 36 of each fin are substantially parallel to each other. In one embodiment, shown in FIGS. 3, 3A, 5 and 5A, the fins 18 are arranged such that crests 36 are substantially parallel to the anterior-posterior axis 100 of the element. In other embodiments, for example FIG. 3B, the fins 18 may be oriented such that crests 36 extend at an angle with respect to the anterior-posterior (A-P) axis 100. One of ordinary skill in the art will readily appreciate that the fins 18 should be oriented so that the crests 36 are parallel with the desired angle of insertion to be used by a surgeon during surgical installation of element 10. For example, if element 10 is to be used as an artificial intervertebral disc, the crests 36 of the fins 18 will be parallel to the A-P
axis 100 if an anterior surgical approach is to be used. Alternatively, the crests 36 of the fins will be angled as shown in FIG. 3B if an anterior-lateral approach is to be used. One of ordinary skill in the art can readily determine an appropriate angular orientation of fins 18.
The fins 18 may be arranged on the bone-facing surfaces 42, 46 in a variety of patterns, which will be readily apparent to one of ordinary skill in the art.
Exemplary patterns are illustrated in FIGS. 1, 3, 3A, 3B, 5 and 5A.
One of ordinary skill in the art will appreciate that although fins 18 exist in a currently preferred embodiment of the invention, an implantable prosthetic element may be constructed without fins.
As shown in FIGS. 1, 2, 4, 6 and 7, the elastomeric core 16 is interposed between and attached to the first end plate 12 and the second end plate 14 as disclosed in U.S. Patent No. 5,824,094 to Serhan, which is expressly incorporated by reference herein. The core 16 has a superior core surface 50, an inferior core surface 52 and a central peripheral portion 58.
As noted above, peripheral flanges 54, 56 form the perimeter or widest portions of the first and second end plates 12, 14. The perimeter of the core peripheral portion 58 is generally about equal to the perimeter of the first and second peripheral flanged portions 54, 56 at the superior and inferior core surfaces 50, 52. However, the core 16 is preferably sub-flush with respect to the end plates 12, 14 such that the perimeter of the core peripheral portion 58 tapers inward to a center portion from both the superior core surface 50 and the inferior core surface 52. Thus, the perimeter of the central peripheral portion 58 of core 16 is generally less than the perimeter of the superior and inferior core surfaces 50, 52 of core by an amount in the range of about 0.1 nun to 4 mm. One of ordinary skill in the art will understand, however, that alternate geometries may be utilized as well. For example, the peripheral flanges 54, 56 may be different sizes, and the perimeter of the core 16 need not be sub-flush with respect to end plates 12, 14.
The lobes 22, 23, 24, 25 may have various shapes and dimensions in accordance with the present invention. Each lobe has an anterior portion, a posterior portion and first and second side portions. As shown in FIG. 3, lobe 22 has an anterior portion 60, a posterior portion 62, a first side portion 64, and a second side portion 66, while lobe 23 has an anterior portion 70, a posterior portion 72, a first side portion 74, and a second side portion 76. As shown in FIG. 5, lobe 24 has an anterior portion 80, a posterior portion, 82, a first side portion 84, and a second side portion 86, while lobe 23 has an anterior portion 90, a posterior portion 92, a first side portion 94, and a second side portion 96.
Lobes 22, 23, 24, 25 have heights that are defined as the distance each lobe protrudes from the surface of slots 20, 21 of end plates 12, 14. In an exemplary embodiment of the present invention, the orientation of the bone-facing surfaces 42, 46, which are generally angled from the anterior side to the posterior side with respect to horizontal, has the effect that the height of each of lobes 22, 23, 24, 25 decreases from their anterior portions 60, 70, 80, 90 to their posterior portions 62, 72, 82, 92. In general, the height of each lobe 22, 23, 24, 25 is in the range of about 1 mm to 6 nun at the anterior side to about 0.1 mm to 1.0 nun at the posterior side In an exemplary embodiment of the present invention, each of lobes 22, 23, 24, 25 is coated, plated or otherwise treated as is generally known in the art to provide a surface with features that promote osteo-integration. The osteo-integration enhancing surface features may be provided by, for example, applying a porous or beaded coating of a biocompatible material (e.g., titanium), a mesh layer, or a hydroxy apatite coating.
One of ordinary skill in the art will appreciate that all or part of lobes 22, 23, 24, 25 may be treated to provide osteo-integration. It is also understood that portions of the bone-facing surfaces 42, 46, in addition to or in lieu of the lobes, may be treated to provide osteo-integration enhancing surface features.
As noted above, the slots 20, 21 represent unlobed areas of the bone-facing surfaces 42, 46 of the end plates 12, 14. In one embodiment, the widths (W1, W2) of slots 20, 21 may be substantially constant along the entire anterior-posterior length (LAP) of the element 10. The widths (W1, W2) should be sufficient to enable an installation tool (not shown) to grasp the element 10, and position the element in its implantation site. The widths (W 1, W2) of slots 20, 21 generally are equal.
In FIGS. 1, 3, 5 and 5A widths W1 And W2 are shown as being identical and substantially constant and oriented to be parallel to the anterior-posterior axis 100 of the element 10. This design is preferred when the element 10 is to be inserted via an anterior approach. Alternatively, the slots 20, 21 may be configured in other ways to accommodate an anterior-lateral insertion technique. For example, the width (WI, W2) of slots 20, 21 can increase from the anterior side to the posterior side, or from the posterior side to the anterior side, as shown in FIG. 3B by dashed lines. FIG.
illustrates another alternative in which the slots 20, 21 (shown by dashed lines) are widest at the anterior side and narrowest at the posterior side of the element 10. In either embodiment, the width (Wi, W2) is generally in the range of about 4 mm to 14 mm.
FIGS. 8, 8A, 9, and 9A further illustrate the geometry of lobes 22, 23, 24, and 25. As noted above, the bone-facing surfaces 42, 46 of end plates 12, 14 are substantially angled, sloping from the anterior to the posterior sides of the element 10.
In addition to being mounted upon this canted surface of the end plates 12, 14, the lobes 22, 23, 24, and 25 each have substantially dome-like profiles, causing them to be curved in both the sagittal and coronal planes.
FIGS. 4, 6, 8A and 9A illustrate the radius of curvature in the coronal plane of lobes 22, 23, 24, and 25 of end plates 12, 14. FIGS. 4 and 6 illustrate that the curve of the lobes 22, 23, 24, and 25 in the coronal plane is truncated by slots 20, 21. The radius of curvature of lobes 22 and 23 of end plate 12 (Rc,) is in the range of about 50 mm to 350 mm, and is preferably in the range of about 100 mm to 200 nun. Most preferably, Rc, is about 150 nun. The radius of curvature of lobes 24 and 25 of end plate 14 (RCZ) is generally flatter than R. As shown in FIG. 9A, RCZ may be in the range of about 50 mm to 350 mm, and more preferably is in the range of about 200 mm to 300 mm. Most preferably, RC2 is about 265 mm.
FIGS. 2, 7, 8 and 9 illustrate the radius of curvature in the sagittal plane of lobes 22, 23, 24, and 25 of end plates 12, 14. As illustrated, the lobes have a substantially dome-like profile. The radius of curvature of the lobes 22, 23 of end plate 12 (RS,) and the radius of curvatures of the lobes 24, 25 of the end plate 14 (RS2) are generally equal. The value of RS, and RS2 may be in the range of about 50 mm to 350 mm, and preferably about 100 mm to 200 nun. Most preferably, RS, and RS2 are about 140 mm.
Referring now to FIGS. 10 and 11, the element 10 of the present invention is shown immediately prior to (see FIG. 10) and following (see FIG. 11) its implantation.
Specifically, FIGS. 10 and 11 depict the sacrum 300 and lumbar portion 310 of the spine, and the five lumbar vertebrae 320, 330, 340, 350, 360. Natural discs 370, 380, 390 are located between vertebrae 320 and 330, 340 and 350, and 350 and 360.
The natural disc that was present between vertebrae 330 and 340 has been removed and will be replaced by element 10. One of ordinary skill in the art will recognize that the element 10 may replace discs 370, 380 or 390, and may also replace discs located between thoracic vertebrae (not shown) or cervical vertebrae (not shown) of the spine.
The element 10 is implanted with an insertion tool (not shown) between lumbar vertebrae 330, 340 using an anterior approach as indicated by the arrows in FIG. 10.
Specifically, the posterior portions 62, 72, 82, 92 of lobes 22, 23, 24, 25 of the end plates 12, 14 are inserted prior to the anterior portions 60, 70, 80, 90 of the lobes. One of ordinary skill in the art will recognize, however, that the element 10 may be inserted in other directions including, but not limited to, in an anterior-lateral direction. Once implanted (see FIG. 11), the first and second bone-contacting surfaces 30, 32 of each fin 18 of the first end plate 12 penetrate vertebra 330, while the first and second bone-contacting surfaces 30, 32 of the second end plate 14 penetrate vertebra 340.
The element 10 may be constructed according to the present invention in a variety of sizes depending upon factors such as patient size and intended location in the spine. Generally, the element 10 has an anterior (A) to posterior (P) length (LAP) in the range of about 5 mm to 40 mm, and a transverse length (LT) in the range of about 10 mm to 60 mm. Exemplary elements 10 may have dimensions (LAP x LT) of 34 mm x mm,31.5mmx43mm,29mmx40mm,26.5mmx37mm,and24mmx34mm.
The element also has a posterior (P) aspect thickness that may be in the range of about 1 mm to 15 mm, and an anterior (A) aspect thickness that may be in the range of about 5 mmto21mm.
The first end plate 12, second end plate 14, fins 18 and core 16 of the element 10 may be made of a variety of materials well known to those having ordinary skill in the art. The first and second end plates 12, 14 and the fins 18 are preferably made of the same material, such as a biocompatible metal or biocompatible metal-based alloy.
An exemplary metal is titanium, while exemplary alloys include, but are not limited to, stainless steel (e.g., 316 LVM stainless steel), a titanium-vanadium-aluminum alloy (e.g., an alloy having about 90% by weight titanium, about 6% by weight aluminum, and about 4% by weight vanadium), a cobalt-chromium alloy, a cobalt-chromium-molybdenum alloy and a cobalt-nickel-chromium-molybdenum alloy. The end plates 12, 14 may also be made of other biocompatible materials including, but not limited to, a composite plastic material.
The core 16 may be made of any material that simulates the characteristics of a natural disc. Exemplary materials include, but are not limited to, elastomeric materials, a polyolefin rubber (such as a non-conjugated diolefin as described in U.S.
Patent No.
5,245,098 to Summers et al., which is expressly incorporated by reference herein), or a carbon black reinforced polyolefin rubber. The hardness of the elastomeric core 16 should be between 56-72 shore A durometer, while the ultimate tensile strength of the core should be greater than 1600 psi. The core should have an ultimate elongation greater than 300% using the ASTM D412-87 testing method, and a tear resistance greater than 100 psi using the ASTM D624-86 testing method.
One of ordinary skill in the art will appreciate further features and advantages of the invention based on the above-described embodiments. Accordingly, the invention is not to be limited by what has been particularly shown and described, except as indicated by the appended claims.
Claims (31)
1. An implantable prosthetic element, comprising:
a first end plate having a first bone-facing surface and an opposed mating surface, the first bone-facing surface having at least one lobe protruding therefrom;
a second end plate having a second bone-facing surface and an opposed mating surface, the second bone-facing surface having at least one lobe protruding therefrom;
and a core interposed between and attached to the mating surfaces of the first end plate and the second end plate, wherein the bone-facing surface of at least one of the first end plate and the second end plate includes at least one bone-penetrating fin protruding therefrom.
a first end plate having a first bone-facing surface and an opposed mating surface, the first bone-facing surface having at least one lobe protruding therefrom;
a second end plate having a second bone-facing surface and an opposed mating surface, the second bone-facing surface having at least one lobe protruding therefrom;
and a core interposed between and attached to the mating surfaces of the first end plate and the second end plate, wherein the bone-facing surface of at least one of the first end plate and the second end plate includes at least one bone-penetrating fin protruding therefrom.
2. The element of claim 1, wherein each of the at least one bone-penetrating fins is elongated, having a length greater than a width, wherein the length extends from a leading end of each fin to a trailing end of each fin, and wherein each fin has a height that increases from the leading end to the trailing end.
3. The element of claim 2, wherein the leading end of each of the at least one fins is substantially flush with the bone-facing surface of the end plate, and the trailing end of each of the at least one fins is raised from the bone facing surface by a height in the range of about 0.1 mm to 5.0 mm.
4. The element of claim 2, wherein the length of each of the at least one fins is in the range of about 1 mm to 30 mm.
5. The element of claim 2, wherein each of the at least one fins has a crest extending from the leading end to the trailing end at an angle with respect to horizontal in the range of about 5° to 85 °.
6. The element of claim 2, wherein each of the at least one fins has a substantially triangular profile forming first and second bone-contacting surfaces, with supporting legs diverging away from the crest at opposite sides thereof.
7. The element of claim 6, wherein the trailing end of each of the at least one fins includes an end face that extends from the crest to the bone-facing surface of the end plate.
8. The element of claim 7, wherein the end face is oriented at about 90° with respect to horizontal.
9. The element of claim 1, wherein a plurality of fins are provided on each of the first end plate and the second end plate.
10. The element of claim 1, wherein at least one fin protrudes from each lobe of the first and second end plates.
11. The element of claim 9, wherein the number of fins that protrude from the first end plate is equal to the number of fins that protrude from the second end plate.
12. The element of claim 1, wherein at least two fins protrude from each of the first and second end plates.
13. The element of claim 1, wherein the bone facing surface of the first end plate has a first lobe and a second lobe and the bone facing surface of the second end plate has a third lobe and a fourth lobe, and wherein a first slot is defined between the first lobe and the second lobe, and a second slot is defined between the third lobe and the fourth lobe.
14. The element of claim 13, wherein the first and second slots each have a constant width from an anterior end of the element to a posterior end of the element.
15. The element of claim 13, wherein the first and second slots each have a width that decreases from an anterior side of the element to a posterior side of the element.
16. The element of claim 13, wherein the first and second slots each have a width that increases from an anterior side of the element to a posterior side of the element.
17. The element of claim 14, wherein each of the first and second slots contain at least one extraction recess.
18. The element of claim 13, wherein each of the at least one first and second lobes has a height, an anterior portion, a posterior portion, and first and second side portions, and wherein the height of each lobe decreases from the anterior portion to the posterior portion and increases from the first side portion to the second side portion.
19. The element of claim 5, wherein the crest is oriented so as to be parallel to an anterior-posterior axis of the element.
20. The element of claim 5, wherein the crest is oriented at an angle with respect to an anterior-posterior axis of the element.
21. The element of claim 1, wherein each of the at least one of the lobes formed on the first end plate and the second end plate include osteo-integration enhancing surface features.
22. The element of claim 21, wherein the osteo-integration enhancing surface features are selected from the group consisting of a porous coating, a beaded coating, a mesh layer and a hydroxy apatite coating.
23. The element of claim 1, wherein the element has a posterior aspect thickness in the range of about 1 millimeter to 15 millimeters.
24. The element of claim 1, wherein the element has an anterior-posterior length in the range of about 5 millimeters to 40 millimeters.
25. The element of claim 1, wherein the element has a transverse length in the range of about 10 millimeters to 60 millimeters.
26. The element of claim 1, wherein the first end plate and the second end plate each have a sagittal radius in the range of 50 millimeters to 350 millimeters and a coronal radius in the range of 50 millimeters to 350 millimeters.
27. The element of claim 7, wherein the end face is undercut with respect to vertical.
28. The element of claim 7, wherein the end face is overcut with respect to vertical.
29. The element of claim 1, wherein the core is formed of an elastomeric material.
30. The element of claim 1, wherein the core is formed of a material selected from the group consisting of an elastomeric material and a polyolefin rubber.
31. The element of claim 30, wherein the polyolefin rubber is carbon black reinforced.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16727299P | 1999-11-24 | 1999-11-24 | |
US60/167,272 | 1999-11-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2326919A1 CA2326919A1 (en) | 2001-05-24 |
CA2326919C true CA2326919C (en) | 2007-10-23 |
Family
ID=22606671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002326919A Expired - Fee Related CA2326919C (en) | 1999-11-24 | 2000-11-21 | Prosthetic implant element |
Country Status (8)
Country | Link |
---|---|
US (1) | US6592624B1 (en) |
EP (1) | EP1103237B1 (en) |
JP (1) | JP2001187074A (en) |
KR (1) | KR20010051919A (en) |
AT (1) | ATE341294T1 (en) |
AU (1) | AU772817B2 (en) |
CA (1) | CA2326919C (en) |
DE (1) | DE60031073T2 (en) |
Families Citing this family (248)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8545569B2 (en) | 2001-05-25 | 2013-10-01 | Conformis, Inc. | Patient selectable knee arthroplasty devices |
US8882847B2 (en) | 2001-05-25 | 2014-11-11 | Conformis, Inc. | Patient selectable knee joint arthroplasty devices |
US8480754B2 (en) | 2001-05-25 | 2013-07-09 | Conformis, Inc. | Patient-adapted and improved articular implants, designs and related guide tools |
US8735773B2 (en) | 2007-02-14 | 2014-05-27 | Conformis, Inc. | Implant device and method for manufacture |
US10085839B2 (en) | 2004-01-05 | 2018-10-02 | Conformis, Inc. | Patient-specific and patient-engineered orthopedic implants |
US8771365B2 (en) | 2009-02-25 | 2014-07-08 | Conformis, Inc. | Patient-adapted and improved orthopedic implants, designs, and related tools |
US8556983B2 (en) | 2001-05-25 | 2013-10-15 | Conformis, Inc. | Patient-adapted and improved orthopedic implants, designs and related tools |
US9603711B2 (en) | 2001-05-25 | 2017-03-28 | Conformis, Inc. | Patient-adapted and improved articular implants, designs and related guide tools |
FR2897259B1 (en) | 2006-02-15 | 2008-05-09 | Ldr Medical Soc Par Actions Si | INTERSOMATIC TRANSFORAMINAL CAGE WITH INTERBREBAL FUSION GRAFT AND CAGE IMPLANTATION INSTRUMENT |
US7115143B1 (en) * | 1999-12-08 | 2006-10-03 | Sdgi Holdings, Inc. | Orthopedic implant surface configuration |
US6827740B1 (en) * | 1999-12-08 | 2004-12-07 | Gary K. Michelson | Spinal implant surface configuration |
FR2808995B1 (en) | 2000-05-18 | 2003-02-21 | Aesculap Sa | INTERSOMATIC CAGE WITH UNIFIED GRAFT |
ATE334644T1 (en) * | 2000-10-11 | 2006-08-15 | Michael D Mason | INTEGRATED FUSION DEVICE |
US7235081B2 (en) * | 2001-07-16 | 2007-06-26 | Spinecore, Inc. | Wedge plate inserter/impactor and related methods for use in implanting an artificial intervertebral disc |
US6989032B2 (en) | 2001-07-16 | 2006-01-24 | Spinecore, Inc. | Artificial intervertebral disc |
US7169182B2 (en) * | 2001-07-16 | 2007-01-30 | Spinecore, Inc. | Implanting an artificial intervertebral disc |
US6669730B2 (en) | 2001-02-15 | 2003-12-30 | Spinecore, Inc. | Intervertebral spacer device utilizing a spirally slotted belleville washer having radially extending grooves |
US6673113B2 (en) * | 2001-10-18 | 2004-01-06 | Spinecore, Inc. | Intervertebral spacer device having arch shaped spring elements |
FR2824261B1 (en) | 2001-05-04 | 2004-05-28 | Ldr Medical | INTERVERTEBRAL DISC PROSTHESIS AND IMPLEMENTATION METHOD AND TOOLS |
US20070156171A1 (en) * | 2001-05-25 | 2007-07-05 | Conformis, Inc. | Implant Grasper |
CA2447694A1 (en) | 2001-05-25 | 2002-12-05 | Imaging Therapeutics, Inc. | Methods and compositions for articular resurfacing |
US6607558B2 (en) * | 2001-07-03 | 2003-08-19 | Axiomed Spine Corporation | Artificial disc |
FR2827156B1 (en) * | 2001-07-13 | 2003-11-14 | Ldr Medical | VERTEBRAL CAGE DEVICE WITH MODULAR FASTENING |
US7160327B2 (en) | 2001-07-16 | 2007-01-09 | Spinecore, Inc. | Axially compressible artificial intervertebral disc having limited rotation using a captured ball and socket joint with a solid ball and compression locking post |
US7118599B2 (en) | 2001-07-16 | 2006-10-10 | Spinecore, Inc. | Artificial intervertebral disc |
US6468310B1 (en) * | 2001-07-16 | 2002-10-22 | Third Millennium Engineering, Llc | Intervertebral spacer device having a wave washer force restoring element |
DE60231718D1 (en) * | 2001-07-16 | 2009-05-07 | Spinecore Inc | ARTIFICIAL BELT WASH WITH A FORCE RESTORING ELEMENT IN THE FORM OF A WAVE WASHER |
US6471725B1 (en) * | 2001-07-16 | 2002-10-29 | Third Millenium Engineering, Llc | Porous intervertebral distraction spacers |
US7713302B2 (en) | 2001-10-01 | 2010-05-11 | Spinecore, Inc. | Intervertebral spacer device utilizing a spirally slotted belleville washer having radially spaced concentric grooves |
US7771477B2 (en) * | 2001-10-01 | 2010-08-10 | Spinecore, Inc. | Intervertebral spacer device utilizing a belleville washer having radially spaced concentric grooves |
JP4394441B2 (en) * | 2001-10-02 | 2010-01-06 | レックス メディカル リミテッド パートナーシップ | Spinal implant |
US6740118B2 (en) * | 2002-01-09 | 2004-05-25 | Sdgi Holdings, Inc. | Intervertebral prosthetic joint |
AR038680A1 (en) | 2002-02-19 | 2005-01-26 | Synthes Ag | INTERVERTEBRAL IMPLANT |
US8038713B2 (en) | 2002-04-23 | 2011-10-18 | Spinecore, Inc. | Two-component artificial disc replacements |
US20080027548A9 (en) | 2002-04-12 | 2008-01-31 | Ferree Bret A | Spacerless artificial disc replacements |
US8388684B2 (en) | 2002-05-23 | 2013-03-05 | Pioneer Signal Technology, Inc. | Artificial disc device |
US7001433B2 (en) * | 2002-05-23 | 2006-02-21 | Pioneer Laboratories, Inc. | Artificial intervertebral disc device |
US6793678B2 (en) | 2002-06-27 | 2004-09-21 | Depuy Acromed, Inc. | Prosthetic intervertebral motion disc having dampening |
EP1542626B1 (en) | 2002-08-15 | 2012-09-26 | Synthes GmbH | Controlled artificial intervertebral disc implant |
EP1549260B1 (en) | 2002-09-19 | 2010-01-20 | Malan De Villiers | Intervertebral prosthesis |
TWI231755B (en) | 2002-10-07 | 2005-05-01 | Conformis Inc | An interpositional articular implant and the method for making the same |
GB0223327D0 (en) * | 2002-10-08 | 2002-11-13 | Ranier Ltd | Artificial spinal disc |
DE10247762A1 (en) * | 2002-10-14 | 2004-04-22 | Waldemar Link (Gmbh & Co.) | Intervertebral prosthesis |
CA2503848C (en) | 2002-10-29 | 2008-09-02 | Spinecore, Inc. | Instrumentation, methods, and features for use in implanting an artificial intervertebral disc |
FR2846550B1 (en) | 2002-11-05 | 2006-01-13 | Ldr Medical | INTERVERTEBRAL DISC PROSTHESIS |
JP2006505366A (en) | 2002-11-07 | 2006-02-16 | コンフォーミス・インコーポレイテッド | Method of determining meniscus size and shape and devised treatment |
US7169181B2 (en) * | 2002-12-10 | 2007-01-30 | Axiomed Spine Corporation | Artificial disc |
US20040210310A1 (en) * | 2002-12-10 | 2004-10-21 | Trieu Hai H. | Implant system and method for intervertebral disc augmentation |
WO2004066884A1 (en) | 2003-01-31 | 2004-08-12 | Spinalmotion, Inc. | Intervertebral prosthesis placement instrument |
JP4398975B2 (en) * | 2003-01-31 | 2010-01-13 | スパイナルモーション, インコーポレイテッド | Spinal cord midline indicator |
ES2393099T3 (en) | 2003-02-06 | 2012-12-18 | Synthes Gmbh | Intervertebral implant |
WO2004073563A2 (en) | 2003-02-14 | 2004-09-02 | Depuy Spine, Inc. | In-situ formed intervertebral fusion device |
US6908484B2 (en) | 2003-03-06 | 2005-06-21 | Spinecore, Inc. | Cervical disc replacement |
WO2004080357A1 (en) | 2003-03-14 | 2004-09-23 | Ferreyro Irigoyen Roque Humber | Hydraulic device for the injection of bone cement in percutaneous vertebroplasty |
US8066713B2 (en) | 2003-03-31 | 2011-11-29 | Depuy Spine, Inc. | Remotely-activated vertebroplasty injection device |
US7819903B2 (en) | 2003-03-31 | 2010-10-26 | Depuy Spine, Inc. | Spinal fixation plate |
WO2004089240A2 (en) | 2003-04-04 | 2004-10-21 | Theken Disc, Llc | Artificial disc prosthesis |
US8012212B2 (en) | 2003-04-07 | 2011-09-06 | Nuvasive, Inc. | Cervical intervertebral disk prosthesis |
PL378751A1 (en) * | 2003-04-07 | 2006-05-15 | Cervitech, Inc. | Prosthetic joint of cervical intervertebral for a cervical spine |
US7105024B2 (en) * | 2003-05-06 | 2006-09-12 | Aesculap Ii, Inc. | Artificial intervertebral disc |
US7291173B2 (en) | 2003-05-06 | 2007-11-06 | Aesculap Ii, Inc. | Artificial intervertebral disc |
US10052211B2 (en) | 2003-05-27 | 2018-08-21 | Simplify Medical Pty Ltd. | Prosthetic disc for intervertebral insertion |
EP2161008B1 (en) | 2003-05-27 | 2014-12-24 | Simplify Medical, Inc. | Method for assembling a prosthetic disc for intervertebral insertion |
US7575599B2 (en) | 2004-07-30 | 2009-08-18 | Spinalmotion, Inc. | Intervertebral prosthetic disc with metallic core |
US8415407B2 (en) | 2004-03-21 | 2013-04-09 | Depuy Spine, Inc. | Methods, materials, and apparatus for treating bone and other tissue |
US7537612B2 (en) * | 2003-06-20 | 2009-05-26 | Warsaw Orthopedic, Inc. | Lumbar composite nucleus |
US7008452B2 (en) * | 2003-06-26 | 2006-03-07 | Depuy Acromed, Inc. | Dual durometer elastomer artificial disc |
US20040267367A1 (en) * | 2003-06-30 | 2004-12-30 | Depuy Acromed, Inc | Intervertebral implant with conformable endplate |
US20050015150A1 (en) * | 2003-07-17 | 2005-01-20 | Lee Casey K. | Intervertebral disk and nucleus prosthesis |
US7753958B2 (en) | 2003-08-05 | 2010-07-13 | Gordon Charles R | Expandable intervertebral implant |
US20050055099A1 (en) * | 2003-09-09 | 2005-03-10 | Ku David N. | Flexible spinal disc |
US7766914B2 (en) * | 2003-09-10 | 2010-08-03 | Warsaw Orthopedic, Inc. | Adjustable drill guide |
US7794465B2 (en) * | 2003-09-10 | 2010-09-14 | Warsaw Orthopedic, Inc. | Artificial spinal discs and associated implantation instruments and methods |
US8579908B2 (en) | 2003-09-26 | 2013-11-12 | DePuy Synthes Products, LLC. | Device for delivering viscous material |
US7655012B2 (en) * | 2003-10-02 | 2010-02-02 | Zimmer Spine, Inc. | Methods and apparatuses for minimally invasive replacement of intervertebral discs |
US9445916B2 (en) | 2003-10-22 | 2016-09-20 | Pioneer Surgical Technology, Inc. | Joint arthroplasty devices having articulating members |
US7837732B2 (en) | 2003-11-20 | 2010-11-23 | Warsaw Orthopedic, Inc. | Intervertebral body fusion cage with keels and implantation methods |
US7250060B2 (en) * | 2004-01-27 | 2007-07-31 | Sdgi Holdings, Inc. | Hybrid intervertebral disc system |
US20050187631A1 (en) * | 2004-01-27 | 2005-08-25 | Sdgi Holdings, Inc. | Prosthetic device |
US20050165486A1 (en) * | 2004-01-27 | 2005-07-28 | Sdgi Holdings, Inc. | Prosthetic device and method |
ES2363154T3 (en) | 2004-02-04 | 2011-07-22 | Ldr Medical | INTERVERTEBRAL DISK PROSTHESIS. |
FR2865629B1 (en) | 2004-02-04 | 2007-01-26 | Ldr Medical | INTERVERTEBRAL DISC PROSTHESIS |
WO2005081884A2 (en) * | 2004-02-20 | 2005-09-09 | Spinecore, Inc. | Artificial intervertebral disc having a universal joint |
US7393361B2 (en) * | 2004-02-20 | 2008-07-01 | Spinecore, Inc. | Artificial intervertebral disc having a bored semispherical bearing with a compression locking post and retaining caps |
US8636802B2 (en) | 2004-03-06 | 2014-01-28 | DePuy Synthes Products, LLC | Dynamized interspinal implant |
FR2869528B1 (en) | 2004-04-28 | 2007-02-02 | Ldr Medical | INTERVERTEBRAL DISC PROSTHESIS |
US20050251261A1 (en) * | 2004-05-05 | 2005-11-10 | Sdgi Holdings, Inc. | Artificial intervertebral disc for lateral insertion |
US8172904B2 (en) * | 2004-06-30 | 2012-05-08 | Synergy Disc Replacement, Inc. | Artificial spinal disc |
CA2570192C (en) * | 2004-06-30 | 2011-08-16 | Synergy Disc Replacement, Inc. | Artificial spinal disc |
US9237958B2 (en) * | 2004-06-30 | 2016-01-19 | Synergy Disc Replacement Inc. | Joint prostheses |
CA2575699C (en) | 2004-07-30 | 2014-07-08 | Disc-O-Tech Medical Technologies Ltd. | Methods, materials and apparatus for treating bone and other tissue |
US7585326B2 (en) | 2004-08-06 | 2009-09-08 | Spinalmotion, Inc. | Methods and apparatus for intervertebral disc prosthesis insertion |
WO2006058221A2 (en) | 2004-11-24 | 2006-06-01 | Abdou Samy M | Devices and methods for inter-vertebral orthopedic device placement |
FR2879436B1 (en) | 2004-12-22 | 2007-03-09 | Ldr Medical | INTERVERTEBRAL DISC PROSTHESIS |
JP5028276B2 (en) * | 2005-01-19 | 2012-09-19 | ケー2エム, インコーポレイテッド | Fixing elastomers to rigid structures |
CA2595266C (en) * | 2005-01-19 | 2010-12-21 | Casey K. Lee | Elastomeric intervertebral disc prosthesis |
US8083797B2 (en) | 2005-02-04 | 2011-12-27 | Spinalmotion, Inc. | Intervertebral prosthetic disc with shock absorption |
US7690381B2 (en) * | 2005-02-10 | 2010-04-06 | Depuy Spine, Inc. | Intervertebral prosthetic disc and method for installing using a guidewire |
US20060229723A1 (en) * | 2005-04-08 | 2006-10-12 | Sdgi Holdings, Inc. | Intervertebral fusion device and method |
US20060235530A1 (en) * | 2005-04-18 | 2006-10-19 | Shelokov Alexis P | Artificial prosthesis |
US8545568B2 (en) | 2005-05-06 | 2013-10-01 | Titan Spine, Llc | Method of using instruments and interbody spinal implants to enhance distraction |
US8585765B2 (en) | 2005-05-06 | 2013-11-19 | Titan Spine, Llc | Endplate-preserving spinal implant having a raised expulsion-resistant edge |
US20120312779A1 (en) | 2005-05-06 | 2012-12-13 | Titian Spine, LLC | Methods for manufacturing implants having integration surfaces |
US8585767B2 (en) | 2005-05-06 | 2013-11-19 | Titan Spine, Llc | Endplate-preserving spinal implant with an integration plate having durable connectors |
US11096796B2 (en) | 2005-05-06 | 2021-08-24 | Titan Spine, Llc | Interbody spinal implant having a roughened surface topography on one or more internal surfaces |
US8591590B2 (en) | 2005-05-06 | 2013-11-26 | Titan Spine, Llc | Spinal implant having a transverse aperture |
US8992622B2 (en) | 2005-05-06 | 2015-03-31 | Titan Spine, Llc | Interbody spinal implant having a roughened surface topography |
US8480749B2 (en) | 2005-05-06 | 2013-07-09 | Titan Spine, Llc | Friction fit and vertebral endplate-preserving spinal implant |
US8262737B2 (en) * | 2005-05-06 | 2012-09-11 | Titan Spine, Llc | Composite interbody spinal implant having openings of predetermined size and shape |
US8758443B2 (en) | 2005-05-06 | 2014-06-24 | Titan Spine, Llc | Implants with integration surfaces having regular repeating surface patterns |
US8562685B2 (en) | 2005-05-06 | 2013-10-22 | Titan Spine, Llc | Spinal implant and integration plate for optimizing vertebral endplate contact load-bearing edges |
US8758442B2 (en) | 2005-05-06 | 2014-06-24 | Titan Spine, Llc | Composite implants having integration surfaces composed of a regular repeating pattern |
US9168147B2 (en) | 2005-05-06 | 2015-10-27 | Titan Spine, Llc | Self-deploying locking screw retention device |
US9125756B2 (en) | 2005-05-06 | 2015-09-08 | Titan Spine, Llc | Processes for producing regular repeating patterns on surfaces of interbody devices |
US8814939B2 (en) | 2005-05-06 | 2014-08-26 | Titan Spine, Llc | Implants having three distinct surfaces |
US8551176B2 (en) | 2005-05-06 | 2013-10-08 | Titan Spine, Llc | Spinal implant having a passage for enhancing contact between bone graft material and cortical endplate bone |
US8562684B2 (en) | 2005-05-06 | 2013-10-22 | Titan Spine, Llc | Endplate-preserving spinal implant with an integration plate having a roughened surface topography |
US8585766B2 (en) | 2005-05-06 | 2013-11-19 | Titan Spine, Llc | Endplate-preserving spinal implant with an integration plate having durable connectors |
US8403991B2 (en) | 2005-05-06 | 2013-03-26 | Titan Spine Llc | Implant with critical ratio of load bearing surface area to central opening area |
US8435302B2 (en) | 2005-05-06 | 2013-05-07 | Titan Spine, Llc | Instruments and interbody spinal implants enhancing disc space distraction |
US8617248B2 (en) | 2005-05-06 | 2013-12-31 | Titan Spine, Llc | Spinal implant having variable ratios of the integration surface area to the axial passage area |
US20060276900A1 (en) * | 2005-06-01 | 2006-12-07 | Carpenter Clyde T | Anatomic total disc replacement |
EP1736120A1 (en) * | 2005-06-22 | 2006-12-27 | Cervitech, Inc. | Intervertebral prosthesis with self-cutting fixation protrusions |
TWI400066B (en) * | 2005-06-22 | 2013-07-01 | Cervitech Inc | Intervertebral prosthesis with self-tapping fixing projections |
FR2887762B1 (en) | 2005-06-29 | 2007-10-12 | Ldr Medical Soc Par Actions Si | INTERVERTEBRAL DISC PROSTHESIS INSERTION INSTRUMENTATION BETWEEN VERTEBRATES |
US9381024B2 (en) | 2005-07-31 | 2016-07-05 | DePuy Synthes Products, Inc. | Marked tools |
US9918767B2 (en) | 2005-08-01 | 2018-03-20 | DePuy Synthes Products, Inc. | Temperature control system |
FR2891135B1 (en) | 2005-09-23 | 2008-09-12 | Ldr Medical Sarl | INTERVERTEBRAL DISC PROSTHESIS |
EP1948041A2 (en) * | 2005-10-24 | 2008-07-30 | Nexgen Spine, Inc. | Intervertebral disc replacement and associated instrumentation |
US8360629B2 (en) | 2005-11-22 | 2013-01-29 | Depuy Spine, Inc. | Mixing apparatus having central and planetary mixing elements |
FR2893838B1 (en) | 2005-11-30 | 2008-08-08 | Ldr Medical Soc Par Actions Si | PROSTHESIS OF INTERVERTEBRAL DISC AND INSTRUMENTATION OF INSERTION OF THE PROSTHESIS BETWEEN VERTEBRATES |
WO2007098288A2 (en) | 2006-02-27 | 2007-08-30 | Synthes (U.S.A.) | Intervertebral implant with fixation geometry |
FR2898487B1 (en) * | 2006-03-14 | 2008-11-14 | Spineart Sa Sa | PROSTHETICS OF INTERVERTEBRAL DISCS |
WO2007121320A2 (en) | 2006-04-12 | 2007-10-25 | Spinalmotion, Inc. | Posterior spinal device and method |
US8303660B1 (en) | 2006-04-22 | 2012-11-06 | Samy Abdou | Inter-vertebral disc prosthesis with variable rotational stop and methods of use |
US20070276492A1 (en) * | 2006-05-09 | 2007-11-29 | Ranier Limited | Artificial spinal disc implant |
WO2007140382A2 (en) * | 2006-05-26 | 2007-12-06 | Abdou M S | Inter-vertebral disc motion devices and methods of use |
US20070299522A1 (en) * | 2006-06-08 | 2007-12-27 | Gil Carlos E | Orthopedic implant with integrated bone screw |
US20080051901A1 (en) * | 2006-07-28 | 2008-02-28 | Spinalmotion, Inc. | Spinal Prosthesis with Multiple Pillar Anchors |
US20080051900A1 (en) * | 2006-07-28 | 2008-02-28 | Spinalmotion, Inc. | Spinal Prosthesis with Offset Anchors |
WO2008032322A2 (en) | 2006-09-14 | 2008-03-20 | Depuy Spine, Inc. | Bone cement and methods of use thereof |
US8715350B2 (en) | 2006-09-15 | 2014-05-06 | Pioneer Surgical Technology, Inc. | Systems and methods for securing an implant in intervertebral space |
US9011542B2 (en) | 2006-09-26 | 2015-04-21 | K2M, Inc. | Intervertebral prosthesis endplate having double dome and surgical tools for implanting same |
US9381098B2 (en) * | 2006-09-28 | 2016-07-05 | Spinal Kinetics, Inc. | Tool systems for implanting prosthetic intervertebral discs |
CA2747850C (en) | 2006-10-19 | 2013-05-14 | Depuy Spine, Inc. | Fluid delivery system |
EP2086472B1 (en) | 2006-11-16 | 2019-06-12 | Rex Medical, L.P. | Spinal implant |
US8029569B2 (en) | 2006-11-20 | 2011-10-04 | International Spinal Innovations, Llc | Implantable spinal disk |
WO2008070863A2 (en) | 2006-12-07 | 2008-06-12 | Interventional Spine, Inc. | Intervertebral implant |
US20080161928A1 (en) * | 2006-12-27 | 2008-07-03 | Warsaw Orthopedic, Inc. | Compliant intervertebral prosthetic devices with motion constraining tethers |
US9066811B2 (en) | 2007-01-19 | 2015-06-30 | Flexuspine, Inc. | Artificial functional spinal unit system and method for use |
US20080183292A1 (en) * | 2007-01-29 | 2008-07-31 | Warsaw Orthopedic, Inc. | Compliant intervertebral prosthetic devices employing composite elastic and textile structures |
WO2008092192A1 (en) * | 2007-01-29 | 2008-08-07 | The University Of Sydney | An intervertebral disk prosthesis |
WO2008101090A2 (en) | 2007-02-14 | 2008-08-21 | Conformis, Inc. | Implant device and method for manufacture |
US8465546B2 (en) | 2007-02-16 | 2013-06-18 | Ldr Medical | Intervertebral disc prosthesis insertion assemblies |
FR2916956B1 (en) | 2007-06-08 | 2012-12-14 | Ldr Medical | INTERSOMATIC CAGE, INTERVERTEBRAL PROSTHESIS, ANCHORING DEVICE AND IMPLANTATION INSTRUMENTATION |
US8900307B2 (en) | 2007-06-26 | 2014-12-02 | DePuy Synthes Products, LLC | Highly lordosed fusion cage |
US20090043391A1 (en) | 2007-08-09 | 2009-02-12 | Spinalmotion, Inc. | Customized Intervertebral Prosthetic Disc with Shock Absorption |
EP2209444A4 (en) | 2007-10-22 | 2013-03-27 | Spinalmotion Inc | Dynamic spacer device and method for spanning a space formed upon removal of an intervertebral disc |
AU2008316600B2 (en) | 2007-10-25 | 2014-09-18 | Jeffery D. Arnett | Systems and methods for vertebral disc replacement |
CA2705684A1 (en) | 2007-11-16 | 2009-05-22 | Synthes Usa, Llc | Low profile intervertebral implant |
JP5441922B2 (en) | 2008-01-17 | 2014-03-12 | ジンテス ゲゼルシャフト ミット ベシュレンクテル ハフツング | Inflatable intervertebral implant and related manufacturing method |
US8682052B2 (en) | 2008-03-05 | 2014-03-25 | Conformis, Inc. | Implants for altering wear patterns of articular surfaces |
CA2717760C (en) * | 2008-03-05 | 2016-03-29 | Conformis, Inc. | Edge-matched articular implant |
US8764833B2 (en) | 2008-03-11 | 2014-07-01 | Spinalmotion, Inc. | Artificial intervertebral disc with lower height |
EP2262449B1 (en) | 2008-04-05 | 2020-03-11 | Synthes GmbH | Expandable intervertebral implant |
US9034038B2 (en) | 2008-04-11 | 2015-05-19 | Spinalmotion, Inc. | Motion limiting insert for an artificial intervertebral disc |
US20090270988A1 (en) * | 2008-04-24 | 2009-10-29 | Ranier Limited | Artificial spinal disc implant |
US8470045B2 (en) * | 2008-05-05 | 2013-06-25 | K2M, Inc. | Endplate for an intervertebral prosthesis and prosthesis incorporating the same |
EP2278941A1 (en) | 2008-05-05 | 2011-02-02 | Spinalmotion Inc. | Polyaryletherketone artificial intervertebral disc |
WO2009140294A1 (en) | 2008-05-12 | 2009-11-19 | Conformis, Inc. | Devices and methods for treatment of facet and other joints |
US9220603B2 (en) | 2008-07-02 | 2015-12-29 | Simplify Medical, Inc. | Limited motion prosthetic intervertebral disc |
EP2299944A4 (en) | 2008-07-17 | 2013-07-31 | Spinalmotion Inc | Artificial intervertebral disc placement system |
WO2010009153A1 (en) | 2008-07-18 | 2010-01-21 | Spinalmotion, Inc. | Posterior prosthetic intervertebral disc |
WO2010054208A1 (en) | 2008-11-07 | 2010-05-14 | Synthes Usa, Llc | Vertebral interbody spacer and coupled plate assembly |
US8323292B2 (en) * | 2008-12-15 | 2012-12-04 | Spinecore, Inc. | Adjustable pin drill guide and methods therefor |
WO2010099231A2 (en) | 2009-02-24 | 2010-09-02 | Conformis, Inc. | Automated systems for manufacturing patient-specific orthopedic implants and instrumentation |
US9526620B2 (en) * | 2009-03-30 | 2016-12-27 | DePuy Synthes Products, Inc. | Zero profile spinal fusion cage |
BR112012005663A2 (en) | 2009-09-17 | 2021-07-27 | Synthes Gmbh | intervertebral implant with expandable bone fixation limbs |
US8764806B2 (en) | 2009-12-07 | 2014-07-01 | Samy Abdou | Devices and methods for minimally invasive spinal stabilization and instrumentation |
US9393129B2 (en) | 2009-12-10 | 2016-07-19 | DePuy Synthes Products, Inc. | Bellows-like expandable interbody fusion cage |
CN102781373B (en) | 2009-12-31 | 2016-10-26 | Ldr医疗公司 | Anchoring device, intervertebral implant and implantation instrument |
US8979860B2 (en) | 2010-06-24 | 2015-03-17 | DePuy Synthes Products. LLC | Enhanced cage insertion device |
US8845733B2 (en) | 2010-06-24 | 2014-09-30 | DePuy Synthes Products, LLC | Lateral spondylolisthesis reduction cage |
TW201215379A (en) | 2010-06-29 | 2012-04-16 | Synthes Gmbh | Distractible intervertebral implant |
EP2595576A1 (en) * | 2010-07-20 | 2013-05-29 | X-spine Systems, Inc. | Composite orthopedic implant having a low friction material substrate with primary frictional features and secondary frictional features |
US8900309B2 (en) * | 2010-08-31 | 2014-12-02 | Meditech Spine, Llc | Spinal implants |
US20120078373A1 (en) | 2010-09-23 | 2012-03-29 | Thomas Gamache | Stand alone intervertebral fusion device |
US20120078372A1 (en) | 2010-09-23 | 2012-03-29 | Thomas Gamache | Novel implant inserter having a laterally-extending dovetail engagement feature |
US11529241B2 (en) | 2010-09-23 | 2022-12-20 | DePuy Synthes Products, Inc. | Fusion cage with in-line single piece fixation |
US9402732B2 (en) | 2010-10-11 | 2016-08-02 | DePuy Synthes Products, Inc. | Expandable interspinous process spacer implant |
US8353964B2 (en) | 2010-11-04 | 2013-01-15 | Carpenter Clyde T | Anatomic total disc replacement |
US9220604B2 (en) | 2010-12-21 | 2015-12-29 | DePuy Synthes Products, Inc. | Intervertebral implants, systems, and methods of use |
US9241809B2 (en) | 2010-12-21 | 2016-01-26 | DePuy Synthes Products, Inc. | Intervertebral implants, systems, and methods of use |
CN103476363B (en) | 2011-02-15 | 2017-06-30 | 康复米斯公司 | Operation and the instrument of change and/or asymmetry are dissected in improved suitable patient's type joint implant and treatment, assessment, correction, modification and/or adaptation |
US8454694B2 (en) | 2011-03-03 | 2013-06-04 | Warsaw Orthopedic, Inc. | Interbody device and plate for spinal stabilization and instruments for positioning same |
US8388687B2 (en) | 2011-03-25 | 2013-03-05 | Flexuspine, Inc. | Interbody device insertion systems and methods |
US8845727B2 (en) * | 2011-05-04 | 2014-09-30 | Omni Acquisitions, Inc. | Intervertebral body fusion implant device |
US20130158666A1 (en) * | 2011-06-16 | 2013-06-20 | Zyga Technology, Inc. | Facet fusion system |
US8845728B1 (en) | 2011-09-23 | 2014-09-30 | Samy Abdou | Spinal fixation devices and methods of use |
US8992619B2 (en) | 2011-11-01 | 2015-03-31 | Titan Spine, Llc | Microstructured implant surfaces |
US9526627B2 (en) | 2011-11-17 | 2016-12-27 | Exactech, Inc. | Expandable interbody device system and method |
US9345583B2 (en) | 2011-12-20 | 2016-05-24 | Warsaw Orthopedic, Inc. | Spinal implant |
US9241807B2 (en) | 2011-12-23 | 2016-01-26 | Pioneer Surgical Technology, Inc. | Systems and methods for inserting a spinal device |
US20130226240A1 (en) | 2012-02-22 | 2013-08-29 | Samy Abdou | Spinous process fixation devices and methods of use |
FR2987256B1 (en) | 2012-02-24 | 2014-08-08 | Ldr Medical | ANCHORING DEVICE FOR INTERVERTEBRAL IMPLANT, INTERVERTEBRAL IMPLANT AND IMPLANTATION INSTRUMENTATION |
US9271836B2 (en) | 2012-03-06 | 2016-03-01 | DePuy Synthes Products, Inc. | Nubbed plate |
EP2827806B1 (en) | 2012-03-20 | 2020-06-24 | Titan Spine, Inc. | Process of fabricating bioactive spinal implant endplates |
US9198767B2 (en) | 2012-08-28 | 2015-12-01 | Samy Abdou | Devices and methods for spinal stabilization and instrumentation |
EP2716261A1 (en) | 2012-10-02 | 2014-04-09 | Titan Spine, LLC | Implants with self-deploying anchors |
US9498349B2 (en) | 2012-10-09 | 2016-11-22 | Titan Spine, Llc | Expandable spinal implant with expansion wedge and anchor |
US9320617B2 (en) | 2012-10-22 | 2016-04-26 | Cogent Spine, LLC | Devices and methods for spinal stabilization and instrumentation |
US10182921B2 (en) | 2012-11-09 | 2019-01-22 | DePuy Synthes Products, Inc. | Interbody device with opening to allow packing graft and other biologics |
US9492288B2 (en) | 2013-02-20 | 2016-11-15 | Flexuspine, Inc. | Expandable fusion device for positioning between adjacent vertebral bodies |
US9522070B2 (en) | 2013-03-07 | 2016-12-20 | Interventional Spine, Inc. | Intervertebral implant |
US9615935B2 (en) | 2014-01-30 | 2017-04-11 | Titan Spine, Llc | Thermally activated shape memory spring assemblies for implant expansion |
US9517144B2 (en) | 2014-04-24 | 2016-12-13 | Exactech, Inc. | Limited profile intervertebral implant with incorporated fastening mechanism |
US10398565B2 (en) | 2014-04-24 | 2019-09-03 | Choice Spine, Llc | Limited profile intervertebral implant with incorporated fastening and locking mechanism |
US9867718B2 (en) | 2014-10-22 | 2018-01-16 | DePuy Synthes Products, Inc. | Intervertebral implants, systems, and methods of use |
RU2017125255A (en) * | 2014-12-16 | 2019-01-18 | Керамтек Гмбх | INTERDERVERSE CAGES AND INSTALLATION INSTRUMENTS |
US9987052B2 (en) | 2015-02-24 | 2018-06-05 | X-Spine Systems, Inc. | Modular interspinous fixation system with threaded component |
US11426290B2 (en) | 2015-03-06 | 2022-08-30 | DePuy Synthes Products, Inc. | Expandable intervertebral implant, system, kit and method |
US9848996B2 (en) * | 2015-06-17 | 2017-12-26 | Globus Medical, Inc. | Variable lordotic interbody spacer |
CN105105887B (en) * | 2015-08-11 | 2019-02-12 | 嘉思特华剑医疗器材(天津)有限公司 | Tibial prosthesis building system suitable for different types of tibial malformations and defects |
US10857003B1 (en) | 2015-10-14 | 2020-12-08 | Samy Abdou | Devices and methods for vertebral stabilization |
US10617531B2 (en) | 2015-10-26 | 2020-04-14 | K2M, Inc. | Cervical disc and instrumentation |
US10561504B2 (en) | 2016-01-19 | 2020-02-18 | K2M, Inc. | Surgical instrument and methods of use thereof |
EP3448318A4 (en) | 2016-04-26 | 2019-12-04 | K2M, Inc. | Orthopedic implant with integrated core |
WO2018002711A2 (en) | 2016-06-28 | 2018-01-04 | Eit Emerging Implant Technologies Gmbh | Expandable, angularly adjustable intervertebral cages |
WO2018002715A2 (en) | 2016-06-28 | 2018-01-04 | Eit Emerging Implant Technologies Gmbh | Expandable and angularly adjustable articulating intervertebral cages |
US10744000B1 (en) | 2016-10-25 | 2020-08-18 | Samy Abdou | Devices and methods for vertebral bone realignment |
US10973648B1 (en) | 2016-10-25 | 2021-04-13 | Samy Abdou | Devices and methods for vertebral bone realignment |
US10888433B2 (en) | 2016-12-14 | 2021-01-12 | DePuy Synthes Products, Inc. | Intervertebral implant inserter and related methods |
US10537661B2 (en) | 2017-03-28 | 2020-01-21 | DePuy Synthes Products, Inc. | Orthopedic implant having a crystalline calcium phosphate coating and methods for making the same |
US10537658B2 (en) | 2017-03-28 | 2020-01-21 | DePuy Synthes Products, Inc. | Orthopedic implant having a crystalline gallium-containing hydroxyapatite coating and methods for making the same |
US10398563B2 (en) | 2017-05-08 | 2019-09-03 | Medos International Sarl | Expandable cage |
US11344424B2 (en) | 2017-06-14 | 2022-05-31 | Medos International Sarl | Expandable intervertebral implant and related methods |
US10940016B2 (en) | 2017-07-05 | 2021-03-09 | Medos International Sarl | Expandable intervertebral fusion cage |
JP2020533070A (en) | 2017-09-08 | 2020-11-19 | パイオニア サージカル テクノロジー インコーポレイテッド | Intervertebral implants, instruments, and methods |
USD907771S1 (en) | 2017-10-09 | 2021-01-12 | Pioneer Surgical Technology, Inc. | Intervertebral implant |
US11234838B2 (en) | 2018-09-07 | 2022-02-01 | Additive Implants, Inc. | Dynamic intervertebral spacer implant |
US10299938B1 (en) * | 2018-09-07 | 2019-05-28 | John R. Ehteshami | Dynamic intervertebral spacer implant |
US11179248B2 (en) | 2018-10-02 | 2021-11-23 | Samy Abdou | Devices and methods for spinal implantation |
US11446156B2 (en) | 2018-10-25 | 2022-09-20 | Medos International Sarl | Expandable intervertebral implant, inserter instrument, and related methods |
US11684482B2 (en) | 2018-12-20 | 2023-06-27 | Additive Implants, Inc. | Spondylolisthesis system and methods |
US11123201B2 (en) | 2019-09-24 | 2021-09-21 | Additive Implants, Inc. | Intervertebral spacer |
US11426286B2 (en) | 2020-03-06 | 2022-08-30 | Eit Emerging Implant Technologies Gmbh | Expandable intervertebral implant |
US11850160B2 (en) | 2021-03-26 | 2023-12-26 | Medos International Sarl | Expandable lordotic intervertebral fusion cage |
US11752009B2 (en) | 2021-04-06 | 2023-09-12 | Medos International Sarl | Expandable intervertebral fusion cage |
Family Cites Families (97)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH630251A5 (en) | 1978-05-19 | 1982-06-15 | Sulzer Ag | SURFACE STRUCTURE ON ANCHORING ELEMENT OF A BONE IMPLANT. |
CA1146301A (en) | 1980-06-13 | 1983-05-17 | J. David Kuntz | Intervertebral disc prosthesis |
US4685919A (en) | 1985-03-14 | 1987-08-11 | Ngk Spark Plug Co., Ltd. | Artificial joint |
US4678470A (en) | 1985-05-29 | 1987-07-07 | American Hospital Supply Corporation | Bone-grafting material |
US5053049A (en) | 1985-05-29 | 1991-10-01 | Baxter International | Flexible prostheses of predetermined shapes and process for making same |
US4627853A (en) | 1985-05-29 | 1986-12-09 | American Hospital Supply Corporation | Method of producing prostheses for replacement of articular cartilage and prostheses so produced |
US4599086A (en) | 1985-06-07 | 1986-07-08 | Doty James R | Spine stabilization device and method |
US4743256A (en) | 1985-10-04 | 1988-05-10 | Brantigan John W | Surgical prosthetic implant facilitating vertebral interbody fusion and method |
US4834757A (en) | 1987-01-22 | 1989-05-30 | Brantigan John W | Prosthetic implant |
CA1283501C (en) | 1987-02-12 | 1991-04-30 | Thomas P. Hedman | Artificial spinal disc |
JPH01136655A (en) | 1987-11-24 | 1989-05-29 | Asahi Optical Co Ltd | Movable type pyramid spacer |
US4950296A (en) | 1988-04-07 | 1990-08-21 | Mcintyre Jonathan L | Bone grafting units |
DE8807485U1 (en) * | 1988-06-06 | 1989-08-10 | Mecron Medizinische Produkte Gmbh, 1000 Berlin, De | |
US5015247A (en) | 1988-06-13 | 1991-05-14 | Michelson Gary K | Threaded spinal implant |
CA1333209C (en) | 1988-06-28 | 1994-11-29 | Gary Karlin Michelson | Artificial spinal fusion implants |
US5609635A (en) * | 1988-06-28 | 1997-03-11 | Michelson; Gary K. | Lordotic interbody spinal fusion implants |
CA1318469C (en) | 1989-02-15 | 1993-06-01 | Acromed Corporation | Artificial disc |
DE8912648U1 (en) | 1989-10-23 | 1990-11-22 | Mecron Medizinische Produkte Gmbh, 1000 Berlin, De | |
FR2659226B1 (en) * | 1990-03-07 | 1992-05-29 | Jbs Sa | PROSTHESIS FOR INTERVERTEBRAL DISCS AND ITS IMPLEMENTATION INSTRUMENTS. |
US5092893A (en) | 1990-09-04 | 1992-03-03 | Smith Thomas E | Human orthopedic vertebra implant |
US5275954A (en) | 1991-03-05 | 1994-01-04 | Lifenet | Process for demineralization of bone using column extraction |
US5192327A (en) | 1991-03-22 | 1993-03-09 | Brantigan John W | Surgical prosthetic implant for vertebrae |
JP3007903B2 (en) | 1991-03-29 | 2000-02-14 | 京セラ株式会社 | Artificial disc |
US5294391A (en) | 1991-06-03 | 1994-03-15 | Acromed Corporation | Method of making a fiber reinforced composite structure including randomizing the reinforcing fibers |
US5306307A (en) | 1991-07-22 | 1994-04-26 | Calcitek, Inc. | Spinal disk implant |
US5320644A (en) | 1991-08-30 | 1994-06-14 | Sulzer Brothers Limited | Intervertebral disk prosthesis |
US5306303A (en) | 1991-11-19 | 1994-04-26 | The Medical College Of Wisconsin, Inc. | Bone induction method |
US5245098A (en) | 1992-01-21 | 1993-09-14 | The University Of Akron | Process for preparation of non-conjugated diolefins |
US5534031A (en) | 1992-01-28 | 1996-07-09 | Asahi Kogaku Kogyo Kabushiki Kaisha | Prosthesis for spanning a space formed upon removal of an intervertebral disk |
DE59206917D1 (en) * | 1992-04-21 | 1996-09-19 | Sulzer Medizinaltechnik Ag | Artificial intervertebral disc body |
US5306309A (en) | 1992-05-04 | 1994-04-26 | Calcitek, Inc. | Spinal disk implant and implantation kit |
US5246458A (en) | 1992-10-07 | 1993-09-21 | Graham Donald V | Artificial disk |
JPH06178787A (en) * | 1992-12-14 | 1994-06-28 | Shima Yumiko | Centrum spacer with joint, intervertebral cavity measuring device and centrum spacer pattern |
FR2699408B1 (en) | 1992-12-21 | 1995-03-24 | Bioland | Method for treating bone tissue and corresponding implantable biomaterials. |
ATE205069T1 (en) | 1993-02-09 | 2001-09-15 | Acromed Corp | DISC |
FR2703580B1 (en) | 1993-03-03 | 1997-10-17 | Gilles Robert | Cervical interbody fusion cage. |
FR2707480B1 (en) | 1993-06-28 | 1995-10-20 | Bisserie Michel | Intervertebral disc prosthesis. |
DE4323034C1 (en) | 1993-07-09 | 1994-07-28 | Lutz Biedermann | Placeholders, especially for an intervertebral disc |
DE4328690B4 (en) | 1993-08-26 | 2006-08-17 | SDGI Holdings, Inc., Wilmington | Intervertebral implant for vertebral body blocking and implantation instrument for positioning the intervertebral implant |
FR2709949B1 (en) | 1993-09-14 | 1995-10-13 | Commissariat Energie Atomique | Intervertebral disc prosthesis. |
US5425772A (en) | 1993-09-20 | 1995-06-20 | Brantigan; John W. | Prosthetic implant for intervertebral spinal fusion |
US5443514A (en) | 1993-10-01 | 1995-08-22 | Acromed Corporation | Method for using spinal implants |
CN1156255C (en) | 1993-10-01 | 2004-07-07 | 美商-艾克罗米德公司 | Spinal implant |
US5397364A (en) | 1993-10-12 | 1995-03-14 | Danek Medical, Inc. | Anterior interbody fusion device |
US5514180A (en) | 1994-01-14 | 1996-05-07 | Heggeness; Michael H. | Prosthetic intervertebral devices |
US5443515A (en) | 1994-01-26 | 1995-08-22 | Implex Corporation | Vertebral body prosthetic implant with slidably positionable stabilizing member |
CA2551185C (en) | 1994-03-28 | 2007-10-30 | Sdgi Holdings, Inc. | Apparatus and method for anterior spinal stabilization |
ES2144606T3 (en) | 1994-05-23 | 2000-06-16 | Sulzer Spine Tech Inc | IMPLANT FOR INTERVERTEBRAL FUSION. |
US5556379A (en) | 1994-08-19 | 1996-09-17 | Lifenet Research Foundation | Process for cleaning large bone grafts and bone grafts produced thereby |
US5797871A (en) | 1994-08-19 | 1998-08-25 | Lifenet Research Foundation | Ultrasonic cleaning of allograft bone |
US5674296A (en) | 1994-11-14 | 1997-10-07 | Spinal Dynamics Corporation | Human spinal disc prosthesis |
US5766252A (en) | 1995-01-24 | 1998-06-16 | Osteonics Corp. | Interbody spinal prosthetic implant and method |
CN1134810A (en) | 1995-02-17 | 1996-11-06 | 索发默达纳集团股份有限公司 | Improved interbody spinal fusion implants |
US5658335A (en) | 1995-03-09 | 1997-08-19 | Cohort Medical Products Group, Inc. | Spinal fixator |
US5607424A (en) | 1995-04-10 | 1997-03-04 | Tropiano; Patrick | Domed cage |
US5702449A (en) | 1995-06-07 | 1997-12-30 | Danek Medical, Inc. | Reinforced porous spinal implants |
US5989289A (en) | 1995-10-16 | 1999-11-23 | Sdgi Holdings, Inc. | Bone grafts |
US5888222A (en) | 1995-10-16 | 1999-03-30 | Sdgi Holding, Inc. | Intervertebral spacers |
WO1997015246A1 (en) | 1995-10-20 | 1997-05-01 | Synthes Ag Chur | Intervertebral implant with cage and rotating element |
US5888227A (en) | 1995-10-20 | 1999-03-30 | Synthes (U.S.A.) | Inter-vertebral implant |
DE19541114A1 (en) | 1995-10-26 | 1997-04-30 | Artos Med Produkte | Intervertebral implant |
US5814084A (en) | 1996-01-16 | 1998-09-29 | University Of Florida Tissue Bank, Inc. | Diaphysial cortical dowel |
US5766253A (en) | 1996-01-16 | 1998-06-16 | Surgical Dynamics, Inc. | Spinal fusion device |
US5722977A (en) | 1996-01-24 | 1998-03-03 | Danek Medical, Inc. | Method and means for anterior lumbar exact cut with quadrilateral osteotome and precision guide/spacer |
US5865845A (en) | 1996-03-05 | 1999-02-02 | Thalgott; John S. | Prosthetic intervertebral disc |
US5800550A (en) | 1996-03-13 | 1998-09-01 | Sertich; Mario M. | Interbody fusion cage |
US5683465A (en) | 1996-03-18 | 1997-11-04 | Shinn; Gary Lee | Artificial intervertebral disk prosthesis |
US5702455A (en) | 1996-07-03 | 1997-12-30 | Saggar; Rahul | Expandable prosthesis for spinal fusion |
US5964807A (en) | 1996-08-08 | 1999-10-12 | Trustees Of The University Of Pennsylvania | Compositions and methods for intervertebral disc reformation |
US5782832A (en) | 1996-10-01 | 1998-07-21 | Surgical Dynamics, Inc. | Spinal fusion implant and method of insertion thereof |
WO1998017207A1 (en) | 1996-10-21 | 1998-04-30 | Synthes Ag Chur | Surgical prosthetic device |
US5961554A (en) | 1996-12-31 | 1999-10-05 | Janson; Frank S | Intervertebral spacer |
US5728159A (en) | 1997-01-02 | 1998-03-17 | Musculoskeletal Transplant Foundation | Serrated bone graft |
US5749916A (en) | 1997-01-21 | 1998-05-12 | Spinal Innovations | Fusion implant |
US6120506A (en) | 1997-03-06 | 2000-09-19 | Sulzer Spine-Tech Inc. | Lordotic spinal implant |
US5861041A (en) | 1997-04-07 | 1999-01-19 | Arthit Sitiso | Intervertebral disk prosthesis and method of making the same |
US6045579A (en) | 1997-05-01 | 2000-04-04 | Spinal Concepts, Inc. | Adjustable height fusion device |
US5972368A (en) | 1997-06-11 | 1999-10-26 | Sdgi Holdings, Inc. | Bone graft composites and spacers |
US5893889A (en) | 1997-06-20 | 1999-04-13 | Harrington; Michael | Artificial disc |
GB9713330D0 (en) | 1997-06-25 | 1997-08-27 | Bridport Gundry Plc | Surgical implant |
US5824094A (en) | 1997-10-17 | 1998-10-20 | Acromed Corporation | Spinal disc |
US6162252A (en) * | 1997-12-12 | 2000-12-19 | Depuy Acromed, Inc. | Artificial spinal disc |
US6986788B2 (en) | 1998-01-30 | 2006-01-17 | Synthes (U.S.A.) | Intervertebral allograft spacer |
US6143033A (en) | 1998-01-30 | 2000-11-07 | Synthes (Usa) | Allogenic intervertebral implant |
US7087082B2 (en) | 1998-08-03 | 2006-08-08 | Synthes (Usa) | Bone implants with central chambers |
DE19807236C2 (en) | 1998-02-20 | 2000-06-21 | Biedermann Motech Gmbh | Intervertebral implant |
FR2775587B1 (en) | 1998-03-03 | 2001-10-19 | Hassan Razian | ADJUSTABLE DISC / SHOCK ABSORBER AND ITS POSTERIOR SYSTEM |
US6241769B1 (en) | 1998-05-06 | 2001-06-05 | Cortek, Inc. | Implant for spinal fusion |
US5904683A (en) | 1998-07-10 | 1999-05-18 | Sulzer Spine-Tech Inc. | Anterior cervical vertebral stabilizing device |
WO2000007527A1 (en) | 1998-08-03 | 2000-02-17 | Synthes Ag Chur | Intervertebral allograft spacer |
EP1102568A1 (en) | 1998-08-06 | 2001-05-30 | SDGI Holdings, Inc. | Composited intervertebral bone spacers |
US6156037A (en) | 1998-10-28 | 2000-12-05 | Sdgi Holdings, Inc. | Anterior lateral spine cage-plate fixation device and technique |
US6929662B1 (en) * | 1999-02-04 | 2005-08-16 | Synthes (Usa) | End member for a bone fusion implant |
US6113638A (en) | 1999-02-26 | 2000-09-05 | Williams; Lytton A. | Method and apparatus for intervertebral implant anchorage |
US6168596B1 (en) | 1999-11-09 | 2001-01-02 | Bioplate, Inc. | Cranial bone flap fixation clip |
US6827740B1 (en) | 1999-12-08 | 2004-12-07 | Gary K. Michelson | Spinal implant surface configuration |
AR027685A1 (en) | 2000-03-22 | 2003-04-09 | Synthes Ag | METHOD AND METHOD FOR CARRYING OUT |
-
2000
- 2000-11-16 US US09/714,847 patent/US6592624B1/en not_active Expired - Lifetime
- 2000-11-21 CA CA002326919A patent/CA2326919C/en not_active Expired - Fee Related
- 2000-11-22 JP JP2000356505A patent/JP2001187074A/en active Pending
- 2000-11-23 DE DE60031073T patent/DE60031073T2/en not_active Expired - Lifetime
- 2000-11-23 AT AT00310412T patent/ATE341294T1/en not_active IP Right Cessation
- 2000-11-23 EP EP00310412A patent/EP1103237B1/en not_active Expired - Lifetime
- 2000-11-24 AU AU71809/00A patent/AU772817B2/en not_active Ceased
- 2000-11-24 KR KR1020000070261A patent/KR20010051919A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP1103237A3 (en) | 2002-04-24 |
AU7180900A (en) | 2001-05-31 |
ATE341294T1 (en) | 2006-10-15 |
EP1103237B1 (en) | 2006-10-04 |
EP1103237A2 (en) | 2001-05-30 |
DE60031073D1 (en) | 2006-11-16 |
DE60031073T2 (en) | 2007-05-03 |
AU772817B2 (en) | 2004-05-06 |
KR20010051919A (en) | 2001-06-25 |
CA2326919A1 (en) | 2001-05-24 |
US6592624B1 (en) | 2003-07-15 |
JP2001187074A (en) | 2001-07-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2326919C (en) | Prosthetic implant element | |
US7137997B2 (en) | Spinal fusion implant | |
US6520993B2 (en) | Spinal implant | |
US9883949B2 (en) | Intervertebral implant | |
US8480746B2 (en) | Transforaminal prosthetic spinal disc replacement | |
US9918850B2 (en) | Spinal implant configured for midline insertion | |
AU2006302190B2 (en) | Artificial spinal disc replacement system and method | |
US20060241760A1 (en) | Spinal implant | |
JP5028273B2 (en) | Apparatus and method for replacement of whole spinal disc | |
US8388685B2 (en) | Artificial intervertebral disc | |
AU753752B2 (en) | Spinal disc prosthesis | |
US9844442B2 (en) | Prosthetic spinal disc replacement and methods thereof | |
US20090105834A1 (en) | Dynamic Spacer Device and Method for Spanning a Space Formed upon Removal of an Intervertebral Disc | |
US20040230313A1 (en) | Metatarsophalangeal resurfacing joint | |
US20040167631A1 (en) | Fixation surface for ankle prosthesis | |
WO2004028350A2 (en) | Spinal plate with means to secure a graft | |
DE10361772A1 (en) | Intervertebral disk implant, e.g. for combating lumbago or spondylitis deformans, showing displacement of instantaneous center of rotation similar to that of natural vertebral segment | |
US20090326658A1 (en) | Intervertebral prosthetic disc and method of installing same | |
US9737410B2 (en) | Intervertebral prosthesis for introduction via posterior approach | |
US20050203627A1 (en) | Intervertebral disc prosthesis | |
US11083590B2 (en) | Intersomatic prosthesis with lateral introduction | |
WO2010060423A2 (en) | Intervertebral implant | |
EP3154479A1 (en) | Prosthetic spinal disc replacement and methods thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20131121 |