Left ventricular conduit with blood vessel graft

• US 6,881,199 B2
• Filed: 04/10/2001
• Issued: 04/19/2005
• Est. Priority Date: 09/10/1998
• Status: Expired due to Term

• Current Assignee: JenaValve Technology, Inc.
• Original Assignee: Percardia, Inc.
• Inventors: Wilk, Peter J., Wolf, Scott J., Phelps, David Y.
• Primary Examiner(s): Bianco, Patricia
• Application Number:
  US09/828,794
• Publication Number:
  US 20020007138A1
• Time in Patent Office: 1,470 Days
• Field of Search: 604 8- 10, 604 27- 30, 604/500, 604506- 9, 604/511, 604/264, 604263- 66, 604/523, 604530- 32, 604/537, 604285- 88, 128/898, 623/1.1, 623 111- 112, 623/1.15, 623 117- 118, 623/1.2, 623 121- 125, 623/1.31, 623/1.32, 623/1.3, 623 136- 139, 623/1.4, 623 141- 148, 623/1.49, 623/11.11, 623/23.64, 623 2367- 2368, 623 237- 2371, 623 2375- 2376, 623/920, 623/921, 623/915, 623/916, 606/108, 606/151, 606/153, 606/154, 606/159, 606/167, 606/170, 606184-185, 606191-192, 606/194, 606/195, 606198-200
• US Class Current: 604/9
• CPC Class Codes: A61F 2/2493 Transmyocardial revascularisation [TMR] devices
• CPC Class Codes: A61F 2/82 Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents stent-grafts for tubular structures of the body other than blood vessels A61F2/04; stent-grafts for blood vessels A61F2/07; instruments specially adapted for placement or removal of stents or stent-grafts A61F2/95; for closing wounds, or holding wounds closed A61B17/04 - A61B17/115; dilators A61M29/00
• CPC Class Codes: A61F 2/848 having means for fixation to the vessel wall, e.g. barbs
• CPC Class Codes: A61F 2/90 characterised by a net-like or mesh-like structure
• CPC Class Codes: A61F 2/91 made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
• CPC Class Codes: A61F 2/94 Stents retaining their form, i.e. not being deformable, after placement in the predetermined place
• CPC Class Codes: A61F 2/958 Inflatable balloons for placing stents or stent-grafts
• CPC Class Codes: A61F 2/962 having an outer sleeve
• CPC Class Codes: A61M 2210/125 Heart
• CPC Class Codes: A61M 27/002 Implant devices for drainage of body fluids from one part of the body to another intraocular A61F9/00781; middle ear A61F11/202

Abstract

A method of flowing blood from a heart chamber to a coronary vessel includes providing a conduit with a first end and second end, providing the conduit within a heart wall such that the first end of the conduit is open towards the heart chamber and the second end is open towards the blood vessel, and during diastole, restricting a flow of blood from the coronary vessel to the heart chamber via the natural valve.

Claims

1. A method of flowing blood from a heart chamber to a coronary vessel, the method comprising:

providing a conduit with a first end and a second end;

providing a natural valve;

placing the conduit within a heart wall such that the first end of the conduit is open towards the heart chamber and the second end is open towards the blood vessel; and

during diastole, restricting a flow of blood from the coronary vessel to the heart chamber via the natural valve.

2. The method of claim 1, wherein providing the natural valve includes providing a section of blood vessel containing at least one naturally occurring valve.

3. The method of claim 2, wherein the section of blood vessel is a human vein.

4. The method of claim 2, wherein the section of blood vessel is an autograft.

5. The method of claim 2, wherein the section of blood vessel is an allograft.

6. The method of claim 2, wherein the section of blood vessel is a xenograft.

7. The method of claim 1, wherein providing the natural valve includes providing the natural valve inside the conduit.

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

9. The method of claim 1, wherein the coronary vessel is a coronary artery.

10. A bypass system for implantation in a body of a patient, the system comprising:

a tube having a first end and a second end and being configured to be implanted in a heart wall such that the first end is open towards a heart chamber and the second end is open towards a coronary vessel, the tube being further configured to permit blood to flow therethrough from the heart chamber to the coronary vessel; and

a natural valve configured to restrict blood flow from the coronary vessel to the heart chamber during diastole.

11. The system of claim 10, wherein the natural valve includes a section of blood vessel containing at least one naturally occurring valve.

12. The system of claim 11, wherein the section of blood vessel lines an interior of the tube.

13. The system of claim 11, wherein the section of blood vessel is a human vein.

14. The system of claim 11, wherein the section of blood vessel is an autograft.

15. The system of claim 11, wherein the section of blood vessel is an allograft.

16. The system of claim 11, wherein the section of blood vessel is a xenograft.

17. The system of claim 10, wherein the natural valve is disposed inside the tube.

18. The system of claim 10, wherein the heart chamber is a left ventricle.

19. The system of claim 10, wherein the coronary vessel is a coronary artery.