Implant delivery system and method

• US 9,770,330 B2
• Filed: 09/12/2014
• Issued: 09/26/2017
• Est. Priority Date: 11/15/2007
• Status: Active Grant

• Current Assignee: Cardiosolutions, Inc.
• Original Assignee: Cardiosolutions, Inc.
• Inventors: Maurer, Christopher William, Wilson, Jonathan Edward
• Primary Examiner(s): STEWART, JASON-DENNIS NEILKEN
• Application Number:
  US14/484,611
• Publication Number:
  US 20140379075A1
• Time in Patent Office: 1,110 Days
• CPC Class Codes: A61F 2/2442 Annuloplasty rings or inserts for correcting the valve shape; Implants for improving the function of a native heart valve
• CPC Class Codes: A61F 2/246 Devices for obstructing a leak through a native valve in a closed condition
• CPC Class Codes: A61F 2/2466 Delivery devices therefor

Abstract

An implant delivery system may comprise a catheter including at least one lumen, a guide wire configured to be received in the lumen, and an implant. The guide wire may comprise a clamping mechanism disposed about a distal end of the guide wire. The clamping mechanism may include a first and at least a second jaw wherein at least one of the jaws is configured to pivot between a closed position wherein the jaws define at least one internal cavity between the jaws configured to receive at least a portion of the implant and an open position configured to release the implant. The implant may be configured to be received in the lumen and may comprise a driver configured to be releasably received in the cavity of the clamping mechanism.

Claims

1. A heart valve implant comprising:

a shaft;

a spacer coupled to said shaft and configured to interact with at least a portion of at least one cusp of a heart valve to at least partially restrict a flow of blood through said heart valve in a closed position; and

a driver coupled to said shaft;

wherein said spacer is deformable between an extended position in which said spacer is configured to interact with at least said portion of said at least one cusp of said heart valve to at least partially restrict said flow of blood through said heart valve in said closed position and a deformed position in which said spacer is configured to be received in a lumen of a delivery catheter.

2. The heart valve implant of claim 1, wherein said shaft extends from a first end region to a second end region.

3. The heart valve implant of claim 2, wherein said driver is coupled to the second end region of said shaft.

4. The heart valve implant of claim 2, further comprising at least one anchor coupled to the first end region of said shaft.

5. The heart valve implant of claim 4, wherein at least a portion of said at least one anchor is configured to at least partially engage with native coronary tissue of said heart.

6. The heart valve implant of claim 5, wherein said at least one anchor comprises a generally helical screw.

7. The heart valve implant of claim 1, wherein said driver comprises a generally perpendicular shoulder region.

8. The heart valve implant of claim 1, wherein said driver comprises an upper end region and a lower end region.

9. The heart valve implant of claim 8, wherein the upper end region and the lower end region comprise at least one chamfered region.

10. The heart valve implant of claim 9, wherein said driver is configured to be received in a cavity defined by a clamping mechanism and wherein said at least one chamfered region is configured to cam open said clamping mechanism.

11. The heart valve implant of claim 1, wherein said driver comprises at least one set screw extending through an aperture of said driver configured to fixedly couple said driver to said second end region of said shaft.

12. The heart valve implant of claim 1, wherein said driver is welded with the second end region of said shaft.

13. A heart valve implant comprising:

a shaft having a first end region and a second end region;

a spacer coupled to said shaft and configured to interact with at least a portion of at least one cusp of a heart valve to at least partially restrict a flow of blood through said heart valve in a closed position;

an anchor coupled to a first end region of said shaft; and

a driver coupled to a second end region of said shaft generally opposite said first end region;

wherein said driver comprises an upper end region and a lower end region configured to be received in a cavity defined by a clamping mechanism;

wherein said spacer is deformable between an extended position in which said spacer is configured to interact with at least said portion of said at least one cusp of said heart valve to at least partially restrict said flow of blood through said heart valve in said closed position and a deformed position in which said spacer is configured to be received in a lumen of a delivery catheter.

14. The heart valve implant of claim 13, wherein each of the upper end region and the lower end region comprises at least one chamfered region.

15. The heart valve implant of claim 14, wherein said driver is configured to be received in a cavity defined by a clamping mechanism and wherein said at least one chamfered region is configured to cam open said clamping mechanism.

16. The heart valve implant of claim 13, wherein said driver comprises at least one set screw extending through an aperture of said driver configured to fixedly couple said driver to said second end region of said shaft.

17. The heart valve implant of claim 13, wherein at least a portion of said at least one anchor is configured to at least partially engage with native coronary tissue of said heart.

18. The heart valve implant of claim 17, wherein said at least one anchor comprises a generally helical screw.