DEVICES AND METHODS FOR HEART TREATMENTS

• US 20130030522A1
• Filed: 06/16/2011
• Published: 01/31/2013
• Est. Priority Date: 06/16/2010
• Status: Abandoned Application

• Current Assignee: Edwards Lifesciences Corporation
• Original Assignee: Edwards Lifesciences Corporation
• Inventors: Rowe, Stanton J., Bash, Assaf, Migliazza, John F., Rottenberg, Dan, Manash, Boaz, Villarreal, Ricardo
• Application Number:
  US13/162,391
• Publication Number:
  US 20130030522A1
• Time in Patent Office: Days
• US Class Current: 623/2.36
• CPC Class Codes: A61B 17/00491 Surgical glue applicators surgical adhesives A61L24/00; two-component delivery syringes A61M5/19
• 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 2017/0404 Buttons
• CPC Class Codes: A61B 2017/0417 T-fasteners
• CPC Class Codes: A61B 2017/0435 the barbs being separate elements mechanically linked to the anchor, e.g. by pivots
• CPC Class Codes: A61B 2017/0437 the barbs being resilient or spring-like
• CPC Class Codes: A61B 2017/0461 with features cooperating with special features on the suture, e.g. protrusions on the suture
• CPC Class Codes: A61B 2017/0464 for soft tissue
• CPC Class Codes: A61B 2017/06171 helically or spirally coiled for needles A61B2017/06076
• CPC Class Codes: A61B 2017/22062 to be filled with liquid
• CPC Class Codes: A61B 2017/22069 Immobilising; Stabilising
• CPC Class Codes: A61B 2017/308 with suction cups
• CPC Class Codes: A61F 2/2427 Devices for manipulating or deploying heart valves during implantation
• CPC Class Codes: A61F 2/2487 Devices within the heart chamber, e.g. splints

Abstract

A method and device for treating a heart by assisting one or more heart chambers to expand during diastole. The method comprises providing a plurality of anchoring members; providing an elongate member and a release mechanism connected to the elongate member, the release mechanism being configured to releasably engage with each of the plurality of anchoring members; the elongate member being configured to store energy exerted by a heart chamber during systole, and release the stored energy during diastole to assist the heart chamber to return to an uncompressed state; selecting one of the plurality of anchoring members; positioning the elongate member transverse a chamber of the heart; and engaging the release mechanism with the selected anchoring member so as to releasably attach the elongate member to the selected anchoring member.

Claims

1. A method for improving the function of a heart, the method comprising:

providing a plurality of anchoring members;

providing an elongate member and a release mechanism connected to the elongate member, the release mechanism being configured to releasably engage with each of the plurality of anchoring members;

the elongate member being configured to store energy exerted by a heart chamber during systole, and release the stored energy during diastole to assist the heart chamber to return to an uncompressed state;

selecting one of the plurality of anchoring members;

positioning the elongate member transverse a chamber of the heart; and

engaging the release mechanism with the selected anchoring member so as to releasably attach the elongate member to the selected anchoring member.

2. The method of claim 1, wherein providing an elongate member comprises providing the elongate member with a substantially rigid distal end, a substantially rigid proximal end and a substantially elastic portion disposed between the distal and the proximal end, where the substantially elastic portion is configured to compress during systole to store energy, and release the stored energy to help the elongate member to return to an uncompressed state, thereby assisting the chamber of the heart to expand during diastole.

3. The method of claim 1, wherein providing the anchoring members comprises providing anchoring pads at the distal and the proximal end of the elongate member.

4. The method of claim 1, wherein the heart chamber is a left ventricle.

5. The method of claim 1, further comprising providing a force dispersion component fixedly secured to the distal end of the elongate member.

6. The method of claim 1, further comprising providing a force dispersion component fixedly secured to the proximal end of the elongate member.

7. The method of claim 1, further comprising providing a plurality of force dispersion components fixedly secured to the distal end and the proximal end of the elongate member.

9. A heart treatment device for improving the function of the heart, comprising:

a plurality of anchoring members;

an elongate member configured to be positioned transverse a chamber of the heart;

where the elongate member has a substantially rigid distal end, a substantially rigid proximal end and a substantially elastic portion between the distal end and the proximal end; and

a release mechanism connected to the elongate member, the release mechanism being configured to releasably engage with each of a plurality of anchoring members having differing configurations to releasably attach the elongate member to each of the plurality of anchoring members one at a time.

10. The device of claim 9, wherein elasticity of the substantially elastic portion is configured to compress the elastic portion to retain energy during systole when subjected to contractile forces of the heart.

11. The device of claim 9, wherein elasticity of the substantially elastic portion is configured to cause the elongate member to exert expansive forces on the heart during diastole.

12. The device of claim 9, wherein each of the plurality of anchoring members defines a recess configured to receive the release mechanism.

13. The device of claim 12, wherein the recess is configured to receive the release mechanism when the release mechanism is in a first position.

14. The device of claim 9, further comprising a projection defining a portion of the recess, the projection being configured to prevent passage of the release mechanism through each of the plurality of anchoring members when the release mechanism is in the first position.

15. The device of claim 14, wherein the projection defines an opening configured to permit passage of the release mechanism therethrough when the release mechanism is in a second position.

16. The device of claim 9, wherein the release mechanism is in the form of a block.

17. The device of claim 9, wherein the release mechanism is moveable relative to the elongate member.

18. The device of claim 9, wherein the release mechanism is configured to articulate relative to the elongate member.

19. The device of claim 9, wherein the release mechanism is moveable between a first position wherein the release mechanism is releasable from each of the plurality of anchoring members and a second position wherein the release mechanism is engageable with each of the plurality of anchoring members.

20. The device of claim 9, further comprising at least one of the plurality of anchoring members having differing configurations.

21. The device of claim 9, further comprising an additional anchoring member for securing the elongate member relative to the heart, the additional anchoring member being configured to be attached to the elongate member.

22. The device of claim 21, wherein the at least one anchoring member is configured to be connected to the elongate member at the distal end of the elongate member and the additional anchoring member is configured to be attached to the elongate member at a second end of the elongate member.

23. The device of claim 21, wherein the at least one anchoring member is configured to be positioned on a posterior side of a mitral valve and wherein the additional anchoring member is configured to be positioned on an anterior side of the mitral valve.

24. The device of claim 21, wherein each of the at least one anchoring member and the additional anchoring member is configured to be positioned on an exterior surface of a wall of the heart.

25. The device of claim 21, wherein the at least one anchoring member comprises a first contact zone and a second contact zone, the first and second contact zones being configured to rest on an exterior surface of a wall of the heart.

26. The device of claim 21, wherein the at least one anchoring member further comprises a bridge connecting the first contact zone and the second contact zone.

27. The device of claim 21, wherein the first contact zone is configured to be positioned adjacent an annulus of a mitral valve and wherein the second contact zone is configured to be positioned approximately at a level of papillary muscles of the mitral valve.

28. The device of claim 21, wherein the first contact zone is configured to be positioned on a posterior side of the annulus.

29. The device of claim 22, wherein the bridge defines a recess configured to receive the release mechanism.

30. The device of claim 16, further comprising a covering on at least a portion of the at least one anchoring member.

31. The device of claim 26, wherein the covering is configured to facilitate tissue ingrowth.

32. The device of claim 9, wherein the plurality of differing anchoring members include anchoring members having differing sizes and/or shapes.

33. The device of claim 9, wherein the device is configured to improve valve function.

34. The device of claim 9, wherein the chamber is a left ventricle.

35. The device of claim 9, further comprising a force dispersion component fixedly secured to the distal end of the elongate member.

36. The device of claim 9, further comprising a force dispersion component fixedly secured to the proximal end of the elongate member.

37. The device of claim 9, further comprising providing a plurality of force dispersion components fixedly secured to the distal end and the proximal end of the elongate member.

38. The device of claim 37, wherein the force dispersion components are self expandable.

39. The device of claim 37, wherein the force dispersion components are similar to anchoring members.