CA2543927A1 - Implantable valvular prosthesis - Google Patents
Implantable valvular prosthesis Download PDFInfo
- Publication number
- CA2543927A1 CA2543927A1 CA002543927A CA2543927A CA2543927A1 CA 2543927 A1 CA2543927 A1 CA 2543927A1 CA 002543927 A CA002543927 A CA 002543927A CA 2543927 A CA2543927 A CA 2543927A CA 2543927 A1 CA2543927 A1 CA 2543927A1
- Authority
- CA
- Canada
- Prior art keywords
- prosthetic valve
- valve
- strut
- cantilever
- connecting member
- 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
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
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2412—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with soft flexible valve members, e.g. tissue valves shaped like natural valves
- A61F2/2418—Scaffolds therefor, e.g. support stents
-
- 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
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2475—Venous valves
-
- 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
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2002/068—Modifying the blood flow model, e.g. by diffuser or deflector
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0008—Fixation appliances for connecting prostheses to the body
- A61F2220/0016—Fixation appliances for connecting prostheses to the body with sharp anchoring protrusions, e.g. barbs, 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
- 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
- A61F2230/0054—V-shaped
Abstract
The present invention relates to a medical device, and in particular, to a stent-based valve. The valve includes a radially expandable structural frame including an anchor structure having a first and a second open end, a connecting member having a first and a second end, and a cantilever valve strut having a first and a second end. The first end of the connecting member is attached to the second end of the anchor structure. The first end of the cantilever valve strut is cooperatively associated with the second end of the connecting member. The prosthetic valve further includes a biocompatible membrane assembly having a substantially tubular configuration about the longitudinal axis, with a first open and a second closed end. The first end of the membrane assembly is attached to the structural frame along the second end of the cantilever valve strut.
Claims (33)
1. A prosthetic valve comprising:
a radially expandable structural frame defining a longitudinal axis, including an anchor structure having first and second open ends, a connecting member having first and second ends, the first end of the connecting member being attached to the second end of the anchor structure, and a cantilever valve strut having first and second ends, the first end of the cantilever valve strut being cooperatively associated with the second end of the connecting member; and a biocompatible membrane assembly having a substantially tubular configuration about the longitudinal axis, with a first open and a second closed end, the first end of the membrane assembly being attached along the second end of the cantilever valve strut.
a radially expandable structural frame defining a longitudinal axis, including an anchor structure having first and second open ends, a connecting member having first and second ends, the first end of the connecting member being attached to the second end of the anchor structure, and a cantilever valve strut having first and second ends, the first end of the cantilever valve strut being cooperatively associated with the second end of the connecting member; and a biocompatible membrane assembly having a substantially tubular configuration about the longitudinal axis, with a first open and a second closed end, the first end of the membrane assembly being attached along the second end of the cantilever valve strut.
2. The prosthetic valve of claim 1 wherein the anchor structure is formed from a lattice of interconnected elements, and has a substantially cylindrical configuration about the longitudinal axis..
3. The prosthetic valve of claim 1 wherein the structural frame comprises a material selected from the group consisting of stainless steel, tantalum, platinum alloys, niobium alloy, cobalt alloy, and nickel-titanium alloy.
4. The prosthetic valve of claim 1 wherein the structural frame comprises a polymer.
5. The prosthetic valve of claim 1 wherein the biocompatible membrane assembly is formed from a flexible membrane-like material.
6. The prosthetic valve of claim 5 wherein the membrane-like material is a biological material.
7. The prosthetic valve of claim 6 wherein the biological material is a vein.
8. The prosthetic valve of claim 5 wherein the membrane-like material is a synthetic material.
9. The prosthetic valve of claim 8 wherein the synthetic material is an elastomeric polymer.
10. The prosthetic valve of claim 8 wherein the synthetic material is a bioabsorbable material.
11. The prosthetic valve of claim 8 wherein the synthetic material further comprises a reinforcement fiber.
12. The prosthetic valve of claim 1 wherein at least a portion of the structural frame is coated with an agent.
13. The prosthetic valve of claim 12 wherein the agent coating contains a therapeutic agent.
14. The prosthetic valve of claim 12 wherein the agent coating contains a pharmaceutic agent.
15. The prosthetic valve of claim 12 wherein the agent coating comprises an agent-eluting layer.
16. The prosthetic valve of claim 1 wherein at least a portion of the membrane assembly is coated with an agent.
17. The prosthetic valve of claim 17 wherein the agent coating contains a therapeutic agent.
18. The prosthetic valve of claim 17 wherein the agent coating contains a pharmaceutic agent.
19. The prosthetic valve of claim 17 wherein the agent coating comprising an agent-eluting layer.
20. The prosthetic valve of claim 1 wherein at least a portion of the membrane assembly is impregnated with a therapeutic agent.
21. The prosthetic valve of claim 1 wherein at least a portion of the membrane assembly is impregnated with a pharmaceutic agent.
22. The prosthetic valve of claim 1 wherein the connecting member is a substantially straight member oriented in a direction substantially parallel to the longitudinal axis.
23. The prosthetic valve of claim 1 wherein the connecting member has a substantially helical shape about the longitudinal axis.
24. The prosthetic valve of claim 1 wherein the cantilever valve strut is a substantially straight member oriented in a direction substantially parallel to the longitudinal axis.
25. The prosthetic valve of claim 1 wherein the cantilever valve strut has a substantially helical shape about the longitudinal axis.
26. The prosthetic valve of claim 1 wherein the cantilever valve strut has a substantially sinusoidal shape oriented in a direction substantially parallel to the longitudinal axis.
27. The prosthetic valve of claim 1 wherein the tubular biocompatible membrane has a substantially constant diameter from the first to the second end.
28. The prosthetic valve of claim 1 wherein the tubular biocompatible membrane has a substantially conical shape.
29. The prosthetic valve of claim 1 wherein the structural frame further comprising a proximal collar attached to the second end of the connecting member and first end of the cantilever valve strut.
30. The prosthetic valve of claim 29 wherein the structural frame further comprises a centering leg cooperatively associated with the proximal collar.
31. The prosthetic valve of claim 29 wherein the structural frame further comprises a proximal anchor cooperatively associated with the proximal collar.
32. A prosthetic valve comprising:
a radially expandable anchor structure formed from a lattice of interconnected elements, and having a substantially cylindrical configuration with a first and a second open end and a longitudinal axis defining a longitudinal direction extending there between;
a connecting member having a first and a second end, the first end of the connecting member being attached to the second end of the anchor;
a cantilever valve strut having a first and a second end, the first end of the cantilever valve strut being cooperatively associated with the second end of the connecting member; and a biocompatible membrane assembly having a substantially tubular configuration with a first open and a second closed end, the first end of the membrane assembly being attached to the cantilever valve strut along the second end of the cantilever valve strut.
a radially expandable anchor structure formed from a lattice of interconnected elements, and having a substantially cylindrical configuration with a first and a second open end and a longitudinal axis defining a longitudinal direction extending there between;
a connecting member having a first and a second end, the first end of the connecting member being attached to the second end of the anchor;
a cantilever valve strut having a first and a second end, the first end of the cantilever valve strut being cooperatively associated with the second end of the connecting member; and a biocompatible membrane assembly having a substantially tubular configuration with a first open and a second closed end, the first end of the membrane assembly being attached to the cantilever valve strut along the second end of the cantilever valve strut.
33. A prosthetic valve comprising:
a radially expandable anchor structure formed from a lattice of interconnected elements, and having a substantially cylindrical configuration with a first and a second open end and a longitudinal axis defining a longitudinal direction extending there between;
a collar located proximal to the radially expandable anchor;
a connecting member having a first and a second end, the first end of the connecting member being attached to the second end of the anchor and the second end of the connecting member being attached to the proximal collar;
a cantilever valve strut having a first and a second end, the first end of the cantilever valve strut being attached to the proximal collar, the cantilever valve strut extending in a distal direction substantially parallel to the longitudinal axis; and a biocompatible membrane assembly having a substantially tubular configuration with a first open and a second closed end, the first end of the membrane assembly being attached to the cantilever valve strut along the second end of the cantilever valve strut.
a radially expandable anchor structure formed from a lattice of interconnected elements, and having a substantially cylindrical configuration with a first and a second open end and a longitudinal axis defining a longitudinal direction extending there between;
a collar located proximal to the radially expandable anchor;
a connecting member having a first and a second end, the first end of the connecting member being attached to the second end of the anchor and the second end of the connecting member being attached to the proximal collar;
a cantilever valve strut having a first and a second end, the first end of the cantilever valve strut being attached to the proximal collar, the cantilever valve strut extending in a distal direction substantially parallel to the longitudinal axis; and a biocompatible membrane assembly having a substantially tubular configuration with a first open and a second closed end, the first end of the membrane assembly being attached to the cantilever valve strut along the second end of the cantilever valve strut.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/699,295 US7347869B2 (en) | 2003-10-31 | 2003-10-31 | Implantable valvular prosthesis |
US10/699,295 | 2003-10-31 | ||
PCT/US2004/034401 WO2005044138A2 (en) | 2003-10-31 | 2004-10-18 | Implantable valvular prothesis |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2543927A1 true CA2543927A1 (en) | 2005-05-19 |
CA2543927C CA2543927C (en) | 2012-08-21 |
Family
ID=34550918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2543927A Expired - Fee Related CA2543927C (en) | 2003-10-31 | 2004-10-18 | Implantable valvular prosthesis |
Country Status (8)
Country | Link |
---|---|
US (1) | US7347869B2 (en) |
EP (1) | EP1684667B1 (en) |
JP (1) | JP4510025B2 (en) |
AT (1) | ATE440565T1 (en) |
AU (1) | AU2004287395B2 (en) |
CA (1) | CA2543927C (en) |
DE (1) | DE602004022849D1 (en) |
WO (1) | WO2005044138A2 (en) |
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WO2005044138A3 (en) | 2005-11-17 |
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AU2004287395A1 (en) | 2005-05-19 |
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