CONDUIT DEVICE AND SYSTEM FOR IMPLANTING A CONDUIT DEVICE IN A TISSUE WALL

• US 20110028985A1
• Filed: 10/11/2010
• Published: 02/03/2011
• Est. Priority Date: 04/24/2007
• Status: Active Grant

• Current Assignee: Emory University, Georgia Tech Research Corporation (University System of Georgia)
• Original Assignee: Emory University, Georgia Tech Research Corporation (University System of Georgia)
• Inventors: Yoganathan, Ajit, Jimenez, Jorge Hernan, Vassiliades, Thomas A.
• Granted Patent: US 8,430,836 B2
• Time in Patent Office: Days
• US Class Current: 606/108
• CPC Class Codes: A61B 17/11 for performing anastomosis; Buttons for anastomosis
• CPC Class Codes: A61B 17/32053 Punch like cutting instruments, e.g. using a cylindrical or oval knife A61B17/326 takes precedence; trepans A61B17/1695; for use on the cornea A61F9/007
• CPC Class Codes: A61B 2017/00123 and automatic shutdown
• CPC Class Codes: A61B 2017/00243 cardiac
• CPC Class Codes: A61B 2017/00252 for by-pass connections, i.e. connections from heart chamber to blood vessel or from blood vessel to blood vessel
• CPC Class Codes: A61B 2017/3488 Fixation to inner organ or inner body tissue
• CPC Class Codes: A61B 2018/00351 Heart
• CPC Class Codes: A61B 2018/00392 Transmyocardial revascularisation
• CPC Class Codes: A61F 2/064 with special features to facilitate anastomotic coupling anastomosis of natural blood vessels A61B17/11
• CPC Class Codes: A61M 2210/1085 Bladder
• CPC Class Codes: A61M 2210/125 Heart
• CPC Class Codes: A61M 25/04 in the body, e.g. expansible A61M25/10, A61M16/0488 take precedence
• 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
• CPC Class Codes: A61M 60/148 in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
• CPC Class Codes: Y10S 623/904 Heart

Abstract

Various embodiments of the present invention provide a conduit device including an attaching device configured for defining a helical pathway through a tissue wall and complementary ring in cooperation for securing the device within an aperture defined in the tissue wall. Some embodiments of the present invention further provide a system for implanting a conduit device in a tissue wall. More specifically, some embodiments provide a system including a coring device for defining an aperture in a tissue by removing and retaining a tissue core and securely implanting a conduit device therein so as to provide fluid communication between a first and second surface of the tissue wall via the conduit device.

Claims

1. A system for implanting a conduit device in a tissue wall having a first surface and a second surface, the system comprising:

an attaching device configured for advancing at least partially through a tissue wall, disposing at least a portion of the attaching device substantially between the first surface and the second surface of the tissue wall; and

an inner tube configured for extending at least partially through the tissue wall to establish fluid communication between the first and second surfaces of the tissue wall;

wherein the attaching device is configured to compress at least a portion of the tissue wall radially towards an outer surface of the inner tube.

2. The system of claim 1, wherein the attaching device is configured to compress at least a portion of the tissue wall radially towards an outer surface of the inner tube to at least partially seal between the outer surface of the inner tube and the portion of the tissue wall.

3. The system of claim 1, wherein the attaching device comprises a coil or spring member, and wherein the inner tube is configured for positioning within an approximate center of the coil or spring member when extended at least partially through the tissue wall.

4. The system of claim 1, wherein the attaching device comprises a radially-expanding helix coil having a larger helical diameter at its distal end relative to its proximal end.

5. The system of claim 1, wherein the attaching device comprises a radially-expanding helix coil increasing in diameter from its proximal end to its distal end and terminating in its largest diameter at its distal end.

6. The system of claim 1, wherein the inner tube comprises a substantially rigid material.

7. The system of claim 1, further comprising a ring extending from the conduit device and configured for placement against the first surface of the tissue wall.

8. The system of claim 7, wherein the ring comprises a frusto-conical assembly configured for receiving at least a portion of the first surface of the tissue wall.

9. The system of claim 7, wherein the ring comprises a substantially planar ring configured for receiving at least a portion of the first surface of the tissue wall.

10. The system of claim 7, further comprising a sealing member extending from the ring, the sealing member configured for at least partially sealing between the ring and the first surface of the tissue wall.

11. The system of claim 10, wherein the sealing member is elastomeric.

12. The system of claim 7, further comprising an outer tube configured to attach to a proximal end of the attaching device, wherein the ring extends from the outer surface of the outer tube.

13. The system of claim 12, wherein the outer tube further comprises a plurality of ridges disposed along at least a portion of the outer surface of the outer tube, and wherein the ring is operably configured to releasably engage the plurality of ridges.

14. The system of claim 12, wherein the outer tube further comprises threading along at least a portion of the outer surface of the outer tube, and wherein the ring is operably configured to releasably engage the threading.

15. The system of claim 14, further comprising a nut operably engagable with the threading on the outer surface of the outer tube, wherein the nut is configured to selectively advance the ring towards the distal end of the outer tube when threaded distally to position the ring against the first surface of the tissue wall.

16. The system of claim 15, wherein the outer tube defines a guide aperture extending therethrough, and wherein the inner tube is configured for insertion through the guide aperture defined by the outer tube when extending at least partially through the tissue wall.

17. The system of claim 16, wherein the inner tube and the outer tube further comprise complementary securing devices configured for selectively engaging the outer tube with the inner tube.

18. A system for securing in a tissue wall having a first surface and a second surface, the system comprising:

an attaching device comprising a coil or spring member, the spring or coil member configured for advancing along a radially-expanding helical path at least partially through a tissue wall, disposing at least a portion of the attaching device substantially between the first surface and the second surface of the tissue wall, wherein the radially-expanding helical path of the spring or coil member compresses at least a portion of the tissue wall radially inward; and

an outer tube engaged with an approximate proximal end of the attaching device and defining a guide aperture extending axially therethrough;

wherein the guide aperture of the outer tube is adapted for receiving an inner tube or an instrument therethrough for achieving fluid communication between the first and second surfaces of the tissue wall.

19. The system of claim 18, further comprising an inner tube configured for passing through the guide aperture of the outer tube and for extending at least partially through the tissue wall so as to establish fluid communication between the first and second surfaces of the tissue wall, wherein the radially-expanding helical path of the spring or coil member compresses at least a portion of the tissue at least a portion of the tissue wall radially towards an outer surface of the inner tube.

20. A method for implanting a conduit device in a tissue wall having a first surface and a second surface, the method comprising:

advancing an attaching device at least partially through the tissue, disposing at least a portion of the attaching device substantially between the first surface and the second surface of the tissue wall; and

positioning an inner tube at least partially through the tissue wall so as to establish fluid communication between the first and second surfaces of the tissue wall;

wherein the attaching device is configured to compress at least a portion of the tissue wall radially towards an outer surface of the inner tube.