Apparatus for attachment of heart valve holder to heart valve prosthesis

• US 5,695,503 A
• Filed: 09/14/1995
• Issued: 12/09/1997
• Est. Priority Date: 09/14/1995
• Status: Expired due to Term

• Current Assignee: St Jude Medical Incorporated (Abbott Laboratories)
• Original Assignee: St Jude Medical Incorporated (Abbott Laboratories)
• Inventors: Vanney, Guy P., Krueger, Kurt D.
• Primary Examiner(s): Buiz, Michael
• Assistant Examiner(s): PHAM, THUY D
• Application Number:
  US08/528,361
• Time in Patent Office: 817 Days
• Field of Search: 606/151, 606/1, 623/2
• US Class Current: 606/151
• CPC Class Codes: A61B 2017/00243 cardiac
• CPC Class Codes: A61F 2/2427 Devices for manipulating or deploying heart valves during implantation
• CPC Class Codes: A61F 2002/30461 sutured, ligatured or stitched
• CPC Class Codes: A61F 2220/0075 sutured, ligatured or stitched, retained or tied with a rope, string, thread, wire or cable

Abstract

A device for engaging a heart valve prosthesis during implantation includes a mechanism for attaching the device to the heart valve prosthesis. The heart valve prosthesis includes a circular valve body having an annulus with a substantially annular aperture therein. At least one movable occluder is carried in the annulus and is movable between an open position and a closed position. The occluder is carried on a strut coupled to a valve body. The attachment mechanism includes a member which couples to the strut, thereby affixing the device to the heart valve prosthesis. The attachment mechanism may be actuated to disengage the heart valve prosthesis.

Claims

1. An apparatus for holding a heart valve prosthesis during implantation, the heart valve prosthesis including a heart valve prosthesis body, a movable occluder and a strut for carrying the moveable occluder, the apparatus comprising:

a holder body adapted for abutting the heart valve prosthesis;

a surface on the holder body conforming to the movable occluder to maintain the movable occluder in a substantially closed position when the holder body is engaged with the heart valve prosthesis;

an attachment mechanism adapted to engage the strut whereby the holder body is secured between the strut and the heart valve prosthesis, the attachment mechanism including a locking bar extending between the holder body and a portion of the strut; and

wherein the holder body includes a suture hole adjacent the locking bar for receiving a suture therethrough which extends over the locking bar, thereby maintaining the locking bar in position between the holder body and the portion of the strut.

2. The apparatus of claim 1 including a spring loaded locking bar cantilever coupling the locking bar to the holder body.

3. The apparatus of claim 1 wherein the attachment mechanism includes a strut opening formed in the holder body for receiving the strut therethrough.

4. The apparatus of claim 1 including a spring which couples the locking bar to the body and maintains the locking bar in position between the holder body and the portion of the strut.

5. The apparatus of claim 1 including a connection flange coupled to the body which receives the suture.

6. The apparatus of claim 1 including a second surface carried on the body conforming to the moveable occluder to maintain the moveable occluder in a closed position.

7. The apparatus of claim 6 wherein the surfaces are adapted to be positioned on opposite sides of the strut.

8. An apparatus for holding a heart valve prosthesis during implantation, the heart valve prosthesis including a heart valve prosthesis body, a movable occluder and a strut for carrying the moveable occluder, the apparatus comprising:

a holder body adapted for abutting the heart valve prosthesis;

a surface on the holder body conforming to the movable occluder to maintain the movable occluder in a substantially closed position when the holder body is engaged with the heart valve prosthesis;

an attachment mechanism adapted to engage the strut whereby the holder body is secured between the strut and the heart valve prosthesis, the attachment mechanism including a locking bar extending between the holder body and a portion of the strut; and

a spring loaded locking bar cantilever coupling the locking bar to the holder body.

9. The apparatus of claim 8 wherein the holder body includes a suture hole adjacent the locking bar for receiving a suture therethrough which extends over the locking bar thereby maintaining the locking bar in position between the holder body and the portion of the strut.

10. The apparatus of claim 8 wherein the attachment mechanism includes a strut opening formed in the holder body for receiving the strut therethrough.

11. The apparatus of claim 8 including a spring which couples the locking bar to the body and maintains the locking bar in position between the holder body and the portion of the strut.

12. The apparatus of claim 9 including a connection flange coupled to the body which receives the suture.

13. The apparatus of claim 8 including a second surface carried on the body conforming to the moveable occluder to maintain the moveable occluder in a closed position.

14. The apparatus of claim 13 wherein the surfaces are adapted to be positioned on opposite sides of the strut.

15. An apparatus for holding a heart valve prosthesis during implantation, the heart valve prosthesis including a heart valve prosthesis body, a movable occluder and a strut for carrying the moveable occluder, the apparatus comprising:

a holder body adapted for abutting the heart valve prosthesis;

a surface on the holder body conforming to the movable occluder to maintain the movable occluder in a substantially closed position when the holder body is engaged with the heart valve prosthesis;

an attachment mechanism adapted to engage the strut whereby the holder body is secured between the strut and the heart valve prosthesis, the attachment mechanism including a locking bar extending between the holder body and a portion of the strut; and

a spring which couples the locking bar to the body and maintains the locking bar in position between the holder body and the portion of the strut.

16. The apparatus of claim 15 wherein the holder body includes a suture hole adjacent the locking bar for receiving a suture therethrough which extends over the locking bar thereby maintaining the locking bar in position between the holder body and the portion of the strut.

17. The apparatus of claim 15 including a spring loaded locking bar cantilever coupling the locking bar to the holder body.

18. The apparatus of claim 15 wherein the attachment mechanism includes a strut opening formed in the holder body for receiving the strut therethrough.

19. The apparatus of claim 16 including a connection flange coupled to the body which receives the suture.

20. The apparatus of claim 15 including a second surface carried on the body conforming to the moveable occluder to maintain the moveable occluder in a closed position.

21. The apparatus of claim 20 wherein the surfaces are adapted to be positioned on opposite sides of the strut.

22. An apparatus for holding a heart valve prosthesis during implantation, the heart valve prosthesis including a heart valve prosthesis body, a movable occluder and a strut for carrying the moveable occluder, the apparatus comprising:

a holder body adapted for abutting the heart valve prosthesis;

a surface on the holder body conforming to the movable occluder to maintain the movable occluder in a substantially closed position when the holder body is engaged with the heart valve prosthesis;

an attachment mechanism adapted to engage the strut whereby the holder body is secured between the strut and the heart valve prosthesis; and

a second surface carried on the body conforming to the moveable occluder to maintain the moveable occluder in a closed position.

23. The apparatus of claim 22 wherein the attachment mechanism includes a locking bar extending between the holder body and a portion of the strut.

24. The apparatus of claim 23 wherein the holder body includes a suture hole adjacent the locking bar for receiving a suture therethrough which extends over the locking bar thereby maintaining the locking bar in position between the holder body and the portion of the strut.

25. The apparatus of claim 23 including a spring loaded locking bar cantilever coupling the locking bar to the holder body.

26. The apparatus of claim 22 wherein the attachment mechanism comprises a strut opening formed in the holder body for receiving the strut therethrough.

27. The apparatus of claim 23 including a spring which couples the locking bar to the body and maintains the locking bar in position between the holder body and the portion of the strut.

28. The apparatus of claim 24 including a connection flange coupled to the body which receives the suture.

29. The apparatus of claim 22 wherein the surfaces are adapted to be positioned on opposite sides of the strut.