CA2471382A1 - Spinal disc implant - Google Patents

Spinal disc implant Download PDF

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Publication number
CA2471382A1
CA2471382A1 CA002471382A CA2471382A CA2471382A1 CA 2471382 A1 CA2471382 A1 CA 2471382A1 CA 002471382 A CA002471382 A CA 002471382A CA 2471382 A CA2471382 A CA 2471382A CA 2471382 A1 CA2471382 A1 CA 2471382A1
Authority
CA
Canada
Prior art keywords
elongated members
enclosure
spaced
tab
vertebra
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.)
Granted
Application number
CA002471382A
Other languages
French (fr)
Other versions
CA2471382C (en
Inventor
Reginald J. Davis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zimmer Spine Inc
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2471382A1 publication Critical patent/CA2471382A1/en
Application granted granted Critical
Publication of CA2471382C publication Critical patent/CA2471382C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/44Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/442Intervertebral or spinal discs, e.g. resilient
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30003Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/3006Properties of materials and coating materials
    • A61F2002/30062(bio)absorbable, biodegradable, bioerodable, (bio)resorbable, resorptive
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The 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
    • A61F2002/30535Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30563Special 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The 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
    • A61F2002/30535Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30576Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs
    • A61F2002/30578Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs having apertures, e.g. for receiving fixation screws
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The 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
    • A61F2002/30535Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30604Special structural features of bone or joint prostheses not otherwise provided for modular
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2210/00Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0004Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof bioabsorbable

Abstract

A pseudo arthrosis device (20) may be placed in a disc space to provide support for adjacent vertebrae. The device may have an enclosure (22) formed from a flexible, permeable material. A plurality of elongated members (24) may be packed longitudinally in the enclosure (22). The elongated members (24) may be compressible and/or flexible. In certain embodiments, elongated members (24) may be solid rods and/or hollow tubes. A plurality of spaced-apart perforations may be formed in solid and hollow elongated members. The enclosure may be placed in an intervertebral space between the adjacent vertebrae such that the elongated members (24) are disposed longitudinally between the adjacent vertebrae. The pseudo arthrosis device (20) may include a tab (28) designed to couple the enclosure to an adjacent vertebrae.

Claims (36)

1. A pseudo arthrosis device, comprising:
an enclosure comprising a plurality of elongated members; and at least one tab coupled to the enclosure for attaching the pseudo arthrosis device to a vertebra.
2. The device of claim 1, wherein the enclosure comprises a flexible, permeable material.
3. The device of claim 1, wherein the plurality of elongated members is packed longitudinally in the enclosure.
4. The device of claim 1, wherein the enclosure comprises a top.
5. The device of claim 1, wherein the enclosure comprises a bottom.
6. The device of claim 1, wherein the enclosure comprises a top and a bottom.
7. The device of claim 1, wherein at least one of the plurality of elongated members comprises a flexible material.
8. The device of claim 1, wherein at least one of the plurality of elongated members comprises a compressible material.
9. The device of claim 1, wherein at least one of the plurality of elongated members comprises a solid elongated member.
10. The device of claim 1, wherein at least one of the plurality of elongated members comprises a hollow elongated member.
11. The device of claim 1, further comprising a pliable retainer positioned transversely in the enclosure, wherein the pliable retainer comprises a plurality of spaced-apart holes, and wherein at least one of the plurality of elongated members is positioned in at least one of the plurality of spaced-apart holes.
12. The device of claim 1, wherein at least one of the plurality of elongated members comprises an outer diameter ranging from about 0.5 mm to about 3.0 mm.
13. The device of claim 1, wherein at least one of the plurality of elongated members comprises a plurality of spaced-apart perforations.
14. The device of claim 1, wherein the at least one tab comprises at least one opening for coupling the device to the vertebra.
15. A pseudo arthrosis device, comprising:
an enclosure; and a plurality of elongated members packed longitudinally in the enclosure.
16. The device of claim 15, wherein at least one of the plurality of elongated members comprises a solid elongated member.
17. The device of claim 15, wherein at least one of the plurality of elongated members comprises a hollow elongated member.
18. The device of claim 15, further comprising at least one tab coupled to the enclosure for attaching the pseudo arthrosis device to a vertebra.
19. The device of claim 15, further comprising at least one tab coupled to the enclosure for attaching the pseudo arthrosis device to a vertebra, wherein the at least one tab comprises at least one opening for coupling the device to the vertebra.
20. The device of claim 15, wherein the enclosure comprises a flexible, permeable material.
21. The device of claim 15, wherein the enclosure comprises a top.
22. The device of claim 15, wherein the enclosure comprises a bottom.
23. The device of claim 15, wherein the enclosure comprises a top and a bottom.
24. The device of claim 15, wherein at least one of the plurality of elongated members comprises a flexible material.
25. The device of claim 15, wherein at least one of the plurality of elongated members comprises a compressible material.
26. The device of claim 15, further comprising a pliable retainer positioned transversely in the enclosure, wherein the pliable retainer comprises a plurality of spaced-apart holes, and wherein at least one of the plurality of elongated members is positioned in at least one of the plurality of spaced-apart holes.
27. The device of claim 15, wherein at least one of the plurality of elongated members comprises an outer diameter ranging from about 0.5 mm to about 3.0 mm.
28. The device of claim 15, wherein at least one of the plurality of elongated members comprises a plurality of spaced-apart perforations.
29. A method of supporting adjacent vertebrae in a spinal column, comprising:
inserting a pseudo arthrosis device between the adjacent vertebrae such that a plurality of elongated members in an enclosure of the arthrosis device is positioned longitudinally in a disc space between the adjacent vertebrae; and attaching a tab coupled to the enclosure of the pseudo arthrosis device to an adjacent vertebra to secure the pseudo arthrosis device in the disc space.
30. The method of claim 29, wherein the tab comprises at least one opening.
31. The method of claim 29, wherein the tab comprises an opening, and wherein attaching the tab to the adjacent vertebra comprises inserting a connector through the opening and fastening the connector to the adjacent vertebra.
32. The method of claim 29, wherein at least one of the plurality of elongated members comprises a flexible material.
33. The method of claim 29, wherein at least one of the plurality of elongated members comprises a compressible material.
34. The method of claim 29, wherein at least one of the plurality of elongated members comprises a hollow tube.
35. The method of claim 29, wherein at least one of the plurality of elongated members comprises a solid rod.
36. The method of claim 29, further comprising a pliable retainer positioned transversely in the enclosure, wherein the pliable retainer comprises a plurality of spaced-apart holes, and wherein one of the plurality of elongated members is positioned in one of the plurality of spaced-apart holes.
CA2471382A 2001-12-28 2002-12-27 Spinal disc implant Expired - Fee Related CA2471382C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/035,052 US6736850B2 (en) 2001-12-28 2001-12-28 Vertebral pseudo arthrosis device and method
US10/035,052 2001-12-28
PCT/US2002/041425 WO2003057088A1 (en) 2001-12-28 2002-12-27 Spinal disc implant

Publications (2)

Publication Number Publication Date
CA2471382A1 true CA2471382A1 (en) 2003-07-17
CA2471382C CA2471382C (en) 2010-11-30

Family

ID=21880330

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2471382A Expired - Fee Related CA2471382C (en) 2001-12-28 2002-12-27 Spinal disc implant

Country Status (5)

Country Link
US (2) US6736850B2 (en)
EP (1) EP1467684B1 (en)
AU (1) AU2002367393B2 (en)
CA (1) CA2471382C (en)
WO (1) WO2003057088A1 (en)

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US7112223B2 (en) 2006-09-26

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