Transventricular implant tools and devices

• US 20080319256A1
• Filed: 06/05/2008
• Published: 12/25/2008
• Est. Priority Date: 07/29/1998
• Status: Active Grant

• Current Assignee: Edwards Lifesciences LLC (Edwards Lifesciences Corporation)
• Original Assignee: Myocor, Inc. (Edwards Lifesciences Corporation)
• Inventors: Vidlund, Robert M., Keith, Peter T., Mortier, Todd J., Kusz, David A., Paulson, Thomas M., Schweich, Cyril J. JR.
• Granted Patent: US 7,981,020 B2
• Time in Patent Office: Days
• US Class Current: 600/37
• 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 17/1227 Spring clips
• CPC Class Codes: A61B 2017/00243 cardiac
• CPC Class Codes: A61B 2017/0404 Buttons
• CPC Class Codes: A61B 2017/0441 the shaft being a rigid coil or spiral
• CPC Class Codes: A61B 2017/048 for reducing heart wall tension, e.g. sutures with a pad on each extremity
• CPC Class Codes: A61B 2017/0496 for tensioning sutures
• CPC Class Codes: A61B 2090/064 for measuring force, pressure or mechanical tension
• CPC Class Codes: A61B 90/39 Markers, e.g. radio-opaque or breast lesions markers
• CPC Class Codes: A61F 2/2487 Devices within the heart chamber, e.g. splints
• CPC Class Codes: A61F 2250/0003 having an inflatable pocket filled with fluid, e.g. liquid or gas

Abstract

A method and implantation tools for placing a transventricular splint including a tension member. The method includes gaining access to the patient'"'"'s hearts and identifying entry or exit points for the tension member, marking those locations and delivering the tension member. Anchors for the tension member are also delivered. The length of the tensions member is measured and the walls of the heart drawn together. The pads are secured to the tension member and the tension member is trimmed to length. The pads are secured to the heart surface.

Claims

1-14. -14. (canceled)

15. A system for treating a heart, comprising:

a delivery catheter;

means for penetrating the walls of a heart chamber;

a device for treating the heart by applying tension across a heart chamber to reduce the lateral distance between two walls of the chamber; and

means for temporarily securing the delivery catheter in place within a heart chamber while the device for treating the heart is placed in a heart chamber.

16. The system of claim 15, wherein the delivery catheter has a selectively formable distal section that can be formed into at least two curved portions.

17. The system of claim 16, wherein the shape of one of the at least two curved portions is complementary to the interior shape of a chamber of a heart such that the delivery catheter can be braced against the walls of a heart chamber on opposite sides of the chamber.

18. The system of claim 16, wherein the directional orientation of the distal section of the delivery catheter can be changed by manipulating at least one catheter control member.

19. The system of claim 15 wherein the means for penetrating the walls of a heart chamber is a puncture catheter.

20. The system of claim 15, wherein the device for treating the heart comprises:

an elongated tension member;

a distal anchor member attached to a distal end of the tension member;

a proximal anchor member; and

means for securing the tension member such that it is fixedly attached to the proximal anchor member.

21. The system of claim 20, wherein the anchors are made from a material selected from a group consisting of a nickel-titanium alloy, stainless steel, a biocompatible shape-memory material, a biocompatible superelastic material, and a combination thereof.

22. The system of claim 20, wherein at least one of the anchor members further comprises a plurality of flexible struts.

23. The system of claim 15, wherein the means for temporarily securing the delivery catheter in place within a heart chamber is a temporary anchor.

24. The system of claim 23, wherein the delivery catheter has an anchor lumen and the temporary anchor is an elongated section of wire.

25. The system of claim 24, wherein a distal end of the anchor can be extended from the delivery catheter adjacent the wall of a heart chamber and the anchor can assume a shape that temporarily stabilizes the delivery catheter in the heart chamber until the anchor is withdrawn into the delivery catheter.

26. The system of claim 15, wherein at least a portion of the device for treating the heart includes a therapeutic agent selected from a group consisting of an antithrombotic, an anticoagulant, an anti-inflammatory, and a combination thereof.

27. A system for treating a heart, comprising:

a delivery catheter having a selectively formable distal section that can be formed into at least two curved portions;

a puncture device;

a device for treating the heart having an elongated tension member,

a distal anchor member attached to a distal end of the tension member;

a proximal anchor member, and means for securing the tension member such that it is fixedly attached to the proximal anchor member; and

at least one temporary anchor for temporarily securing the delivery catheter in place within a heart chamber.

28. The system of claim 27, wherein the shape of one of the at least two curved portions is complementary to the interior shape of a chamber of a heart such that the delivery catheter can be braced against the walls of a heart chamber on opposite sides of the chamber.

29. The system of claim 27, wherein at least one of the anchor members further comprises a plurality of flexible struts.

30. The system of claim 27, wherein at least a portion of the device for treating the heart includes a therapeutic agent selected from a group consisting of an antithrombotic, an anticoagulant, an anti-inflammatory, and a combination thereof.