Transluminally implantable venous valve

• US 20030055492A1
• Filed: 10/28/2002
• Published: 03/20/2003
• Est. Priority Date: 08/20/1999
• Status: Abandoned Application

• Current Assignee: Gerard von Hoffmann, Samuel M. Shaolian
• Original Assignee: Gerard von Hoffmann, Samuel M. Shaolian
• Inventors: Shaolian, Samuel M., Hoffmann, Gerard von
• Application Number:
  US10/282,266
• Publication Number:
  US 20030055492A1
• Time in Patent Office: Days
• US Class Current: 623/1.24
• CPC Class Codes: A61F 2/2403 with pivoting rigid closure members check valves with hinged closure members in general F16K15/03
• CPC Class Codes: A61F 2/2418 Scaffolds therefor, e.g. support stents
• CPC Class Codes: A61F 2/2475 Venous valves
• CPC Class Codes: A61F 2220/0008 Fixation appliances for connecting prostheses to the body
• CPC Class Codes: A61F 2230/0054 V-shaped

Abstract

Disclosed is a self-expandable prosthetic venous valve, such as for implantation in the deep veins of the leg. The valve is mounted in a support structure, such as a self-expandable tubular wire cage. Deployment catheters and methods are also disclosed.

Claims

1. An implantable prosthetic valve, comprising:

At least two leaflets; and

A leaflet frame, the frame comprising a first and a second downstream bend, the first and second downstream bends laterally moveable between a lateral position in which the valve is closed to reverse flow, and a medial position in which the valve is open to forward flow.

2. An implantable prosthetic valve as in claim 1, further comprising a spring for biasing the frame in the direction of the lateral position.

3. An implantable prosthetic valve as in claim 2, wherein the spring comprises a proximal bend on the frame.

4. An implantable prosthetic valve as in claim 1, wherein the leaflets comprise a biocompatible polymer cover.

5. An implantable prosthetic valve as in claim 4, wherein the polymer comprises PTFE.

6. An implantable prosthetic valve as in claim 4, wherein the cover comprises a tube.

7. An implantable prosthetic valve as in claim 4, wherein the cover is sutured to the frame.

8. An implantable prosthetic valve as in claim 4, further comprising a support attached to the frame.

9. An implantable prosthetic valve as in claim 8, wherein the support comprises a self expandable frame.

10. An implantable prosthetic valve as in claim 9, wherein the support comprises a self expandable tubular frame.

11. An implantable prosthetic valve, comprising:

A tubular sleeve; and

A biasing element, for closing one end of the tube.

12. An implantable prosthetic valve as in claim 11, wherein the biasing element comprises a spring wire.

13. An implantable prosthetic valve as in claim 12, wherein the spring wire is in the form of a W.

14. An implantable prosthetic valve as in claim 12, wherein the spring wire comprises at least a first and a second downstream bends, and at least a first upstream bend.