Apparatuses and methods for heart valve repair

• US 20060030885A1
• Filed: 09/29/2005
• Published: 02/09/2006
• Est. Priority Date: 10/15/2002
• Status: Abandoned Application

• Current Assignee: Gregory Mathew Hyde
• Original Assignee: Gregory Mathew Hyde
• Inventors: Hyde, Gregory Mathew
• Application Number:
  US11/240,589
• Publication Number:
  US 20060030885A1
• Time in Patent Office: Days
• US Class Current: 606/232
• CPC Class Codes: A61B 17/00234 for minimally invasive surgery A61B17/0218, A61B17/0469, A61B17/12013, A61B17/1285, A61B17/29, A61B17/320016 take precedence
• CPC Class Codes: A61B 17/0401 Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors A61B17/0642 takes precedence; fixation devices for tendons or ligaments A61F2/0811
• CPC Class Codes: A61B 17/0483 Hand-held instruments for holding sutures A61B17/0469 takes precedence; other holders for needles or sutures A61B17/06061; surgical forceps A61B17/28; surgical pincettes A61B17/30
• CPC Class Codes: A61B 17/06061 Holders for needles or sutures, e.g. racks, stands hand-held holding instruments A61B17/0483; holders for articles A61B50/20; racks for syringes or for hypodermic or infusion needles A61M5/008
• CPC Class Codes: A61B 17/068 Surgical staplers , e.g. containing multiple staples or clampsstaplers containing only one staple A61B17/10; magazines or containers for staples A61B17/105; for performing anastomosis A61B17/115; staplers in general B25C5/00
• CPC Class Codes: A61B 2017/00243 cardiac
• CPC Class Codes: A61B 2017/00783 Valvuloplasty
• CPC Class Codes: A61B 2017/0409 Instruments for applying suture anchors for applying suture clamps, clips or locks A61B2017/0488
• CPC Class Codes: A61B 2017/0441 the shaft being a rigid coil or spiral
• CPC Class Codes: A61B 2017/0472 Multiple-needled, e.g. double-needled, instruments
• CPC Class Codes: A61B 2017/0475 using sutures having a slip knot
• CPC Class Codes: A61B 2017/0496 for tensioning sutures
• CPC Class Codes: A61B 2017/06057 Double-armed sutures, i.e. sutures having a needle attached to each end
• CPC Class Codes: A61B 2017/0649 Coils or spirals
• CPC Class Codes: A61F 2/2445 Annuloplasty rings in direct contact with the valve annulus
• CPC Class Codes: A61F 2/2454 Means for preventing inversion of the valve leaflets, e.g. chordae tendineae prostheses
• CPC Class Codes: A61F 2/2487 Devices within the heart chamber, e.g. splints

Abstract

A medical device for treating a heart having a faulty heart valve is disclosed. The medical device comprises a ligature including a first anchoring member and a second anchoring member is used. The ligature is percutaneously deployable into a patient with a faulty heart valve wherein the first anchoring member to anchor to a first tissue area of the heart and the second anchoring member to anchor to a second tissue area of the heart.

Claims

1-8. -8. (canceled)

9. A medical device comprising:

a delivery shaft having a delivery lumen, a proximal end, and a distal end;

a first deployment shaft disposed within said delivery lumen and extending from said proximal end to said distal end;

a second deployment shaft disposed within said delivery lumen and extending from said proximal end to said distal end;

a ligature having a first anchoring member and a second anchoring member is releasably coupled to said delivery shaft;

said delivery shaft to deploy said ligature into a patient wherein said first deployment shaft to deploy said first anchoring member to a first tissue area of said patient and said second deployment shaft to deploy said second anchoring member to a second tissue area of said patient.

10. The medical device as in claim 9 further comprises a delivery handle coupling to said delivery shaft at said proximal end, said delivery handle further comprises a first deployment mechanism and a second deployment mechanism wherein said first deployment mechanism deploys said first anchoring member to said first tissue area and said second deployment mechanism deploys said second anchoring member to said second tissue area.

11. The medical device as in claim 10 wherein said delivery handle further comprises a first rotating mechanism and a second rotating mechanism wherein said first rotating mechanism deploys rotates said first anchoring member to pierce said first anchoring member into said first tissue area and said second rotating mechanism rotates said second anchoring member to pierce said second anchoring member into said second tissue area.

12. The medical device as in claim 9 wherein said delivery shaft is pre-shaped to allow said delivery shaft to be maneuvered to an area within said patient.

13. The medical device as in claim 9 further comprises a guidewire disposed within said delivery shaft to guide said delivery shaft to an area within said patient.

14. The medical device as in claim 9 further wherein said delivery shaft further comprises a first deployment lumen, a second deployment lumen, and a guidewire lumen wherein said first deployment shaft is disposed within said first deployment lumen, said second deployment shaft is disposed within said second deployment lumen, and said guidewire is disposed within said guidewire lumen.

15. The medical device as in claim 9 wherein said delivery shaft further comprises a lumen that is to be pressurized to facilitate maneuvering of said delivery shaft.

16. The medical device as in claim 9 further comprises a support member disposed within said delivery shaft extending from said distal end to said proximal end, said support member having a shape that curves said delivery shaft to facilitate maneuvering of said delivery shaft.

17. The medical device as in claim 9 wherein said first anchoring member and said second anchoring member have configurations of one of a barbed end, a helical end, and a hooked end.

18. The medical device as in claim 9 wherein said ligature is made from one of an elastomeric material, a superelastic material, a flexible material, a shape memory material, and a rigid material.

19. The medical device as in claim 9 wherein said ligature is made out of a stretchable material.

20. The medical device as in claim 19 wherein during deployment, said ligature is stretched and after said deployment, said ligature is returned to an unstretched length.

21. The medical device as in claim 9 wherein said ligature has a cross section size sufficiently small to not significantly impede a blood flow through an area where said ligature is anchored across.

22. The medical device as in claim 9 wherein said ligature is placed across a heart valve to constrict said heart valve, said ligature to have a cross section size sufficiently small to not significantly impede a blood flow through said heart valve.

23. The medical device as in claim 22 wherein said heart valve is a mitral valve.

24. A method of constricting a heart valve of a patient comprising:

providing a medical device comprising a delivery shaft having a delivery lumen, a proximal end, and a distal end, said delivery shaft further comprises a first deployment shaft and a second deployment shaft disposed within said delivery lumen, said delivery shaft further comprises a ligature releasably coupled thereto, said ligature having a first anchoring member and a second anchoring member; and

deploying said ligature into said patient wherein said first deployment shaft deploys said first anchoring member to a first tissue area around said heart valve and said second deployment shaft deploys said second anchoring member to a second tissue area of said heart valve, and wherein said deploying anchors said first anchoring member to said first tissue area and said second anchoring member to said second tissue area.

25. The method of claim 24 wherein said first tissue area and said second tissue area are substantially opposite from each other.

26. The method as in claim 24 said delivery shaft is further coupled to a delivery handle having a first deployment mechanism and a second deployment mechanism wherein said first deployment mechanism deploys said first anchoring member and said second deployment mechanism deploys said second anchoring member.

27. The method as in claim 26 wherein said delivery handle further comprises a first rotating mechanism and a second rotating mechanism wherein said first rotating mechanism deploys rotates said first anchoring member to pierce said first anchoring member into said first tissue area and said second rotating mechanism rotates said second anchoring member to pierce said second anchoring member into said second tissue area.

28. The method as in claim 24 wherein said first anchoring member and said second anchoring member have configurations of one of a barbed end, a helical end, and a hooked end.

29. The method as in claim 24 wherein said ligature is made from one of an elastomeric material, a superelastic material, a flexible material, a shape memory material, and a rigid material.

30. The method as in claim 24 wherein said ligature is made out of a stretchable material.

31. The method as in claim 30 wherein said ligature is returnable to said first length after said first anchoring member is anchored to said first tissue area and said second anchoring member is anchored to said second tissue area.

32. The method as in claim 24 wherein said ligature has a cross section size sufficiently small to not significantly impede a blood flow through said heart valve when said ligature is anchored across said heart valve.

33. The method as in claim 24 wherein said heart valve is a mitral valve.

34. The method as in claim 24 wherein said ligature is deployed percutaneously into said patient wherein said ligature is deployed though a blood vessel.

35. A method of constricting a heart valve of a patient comprising:

providing a medical device comprising a delivery shaft having a delivery lumen, a proximal end, and a distal end, said delivery shaft further comprises a first deployment shaft and a second deployment shaft disposed within said delivery lumen;

coupling a first ligature to said delivery shaft and deploying said first ligature to a heart valve area of said patient;

coupling a second ligature to said delivery shaft and deploying said second ligature to said heart valve area of said patient;

wherein each ligature of said first ligature and second ligature has a first anchoring member and a second anchoring member;

wherein said first deployment shaft deploys said first anchoring member to anchor said first anchoring member to said heart valve area to constrict said heart valve, said second deployment shaft deploys said second anchoring member to anchor said second anchoring member to said heart valve area to constrict said heart valve.

36. The method of claim 35 wherein said delivery shaft deploys said first ligature and said second ligature sequentially.

37. The method of claim 35 wherein said first anchoring member of each of said first ligature and said second ligature is anchored to a tissue area around said heart valve that is opposite from another tissue area around said heart valve where said second anchoring member of each of said first ligature and said second ligature is anchored to.

38. The method of claim 37 wherein said first ligature and said second ligature are parallel to one another after said first ligature and said second ligature are deployed and anchored to said heart valve.

39. The method of claim 37 wherein said first ligature and said second ligature are intersect one another after said first ligature and said second ligature are deployed and anchored to said heart valve.

40. The method as in claim 35 wherein said first ligature and said second ligature are deployed percutaneously into said patient wherein said first ligature and said second ligature are deployed though blood vessels.

41. A method of constricting a ventricle of a patient comprising:

providing a medical device comprising a delivery shaft having a delivery lumen, a proximal end, and a distal end, said delivery shaft further comprises a first deployment shaft and a second deployment shaft disposed within said delivery lumen, said delivery shaft further comprises a ligature releasably coupled thereto, said ligature having a first anchoring member and a second anchoring member; and

deploying said ligature into the heart of said patient wherein said first deployment shaft deploys said first anchoring member to a first tissue area of said ventricle and said second deployment shaft deploys said second anchoring member to a second tissue area of said ventricle, wherein said deploying anchors said first anchoring member to said first tissue area and said second anchoring member to said second tissue area.

42. The method of claim 41 wherein said first tissue area is a papillary muscle of said ventricle and wherein said second tissue area is another papillary muscle of said ventricle that is substantially opposite said first tissue area.

43. The method as in claim 41 wherein said ligature is deployed percutaneously into said patient wherein said ligature is deployed though blood vessels.

44. A method of constricting a mitral valve of a patient comprising:

providing a medical device comprising a delivery shaft having a delivery lumen, a proximal end, and a distal end, said delivery shaft further comprises a first deployment shaft and a second deployment shaft disposed within said delivery lumen, said delivery shaft further comprises a ligature releasably coupled thereto, said ligature having a first anchoring member and a second anchoring member; and

deploying said ligature is within a coronary sinus that substantially encircles said mitral valve;

deploying said first anchoring member to a first tissue area around said mitral valve;

deploying said second anchoring member to a second tissue area around said mitral valve;

wherein

said first deployment shaft deploys and anchors said first anchoring member to said first tissue area and said second deployment shaft deploys and anchors said second anchoring member to said second tissue area.