Vascular conduit device and system for implanting

Abstract

The present invention provides a vascular conduit device including a deformable flange and complementary securing ring in cooperation for securing the device within an aperture defined in a tissue wall. The present invention further provides a system for implanting such a vascular conduit device in a tissue wall. More specifically, the present invention provides a system including a coring device for defining an aperture in a tissue wall (such as a ventricle and/or a blood vessel) and securely implanting a vascular conduit device therein so as to provide fluid communication between a first and second surface of the tissue wall via the vascular conduit device.

1 - 24 . (canceled) 
     
     
         25 . A system comprising:
 a conduit device configured for providing fluid communication between a first surface and a second surface of a tissue wall, the conduit device comprising:
 a tube defining a lumen extending along an axis defined by the tube from a proximal end to a distal end of the tube, the tube configured for insertion within an aperture of the tissue wall extending from the first surface to the second surface of the tissue wall; 
 a flange attached to the tube and extending outward from an outer surface of the tube, the flange configured for engaging the first surface of the tissue wall; and 
 a ring attached to the tube and extending outward from the outer surface of the tube, the ring configured for engaging the second surface of the tissue wall; and 
   a cap configured for selectively engaging the tube such that the cap seals the proximal end of the tube.   
     
     
         26 . The system of  claim 25 , wherein the cap comprises a pawl member configured for selectively engaging ridges of the tube. 
     
     
         27 . The system of  claim 25 , wherein the cap comprises threads configured for selectively engaging mating threads of the tube. 
     
     
         28 . The system of  claim 25 , wherein the flange is disposed at or near the distal end of the tube. 
     
     
         29 . The system of  claim 25 , wherein the flange is integrally formed with the tube. 
     
     
         30 . The system of  claim 25 , wherein the flange is flexible to facilitate insertion of the flange through the aperture of the tissue wall. 
     
     
         31 . The system of  claim 25 , wherein the ring is removably attached to the tube. 
     
     
         32 . The system of  claim 31 , wherein the ring comprises a pawl member configured for selectively engaging ridges of the tube. 
     
     
         33 . The system of  claim 31 , wherein the ring comprises threads configured for selectively engaging mating threads of the tube. 
     
     
         34 . The system of  claim 25 , wherein the conduit device is configured for attaching a ventricular assist device to the tissue wall. 
     
     
         35 . A method comprising:
 inserting a tube of a conduit device within an aperture of a tissue wall extending from a first surface to a second surface of the tissue wall, the tube defining a lumen extending along an axis defined by the tube from a proximal end to a distal end of the tube;   engaging the first surface of the tissue wall with a flange of the conduit device, the flange attached to the tube and extending outward from an outer surface of the tube;   engaging the second surface of the tissue wall with a ring of the conduit device, the ring attached to the tube and extending outward from the outer surface of the tube; and   engaging the tube with a cap such that the cap seals the proximal end of the tube.   
     
     
         36 . The method of  claim 35 , wherein inserting the tube within the aperture of the tissue wall comprises passing the distal end of the tube through the aperture in the tissue wall. 
     
     
         37 . The method of  claim 35 , wherein inserting the tube within the aperture of the tissue wall comprises passing the flange through the aperture of the tissue wall. 
     
     
         38 . The method of  claim 37 , wherein passing the flange through the aperture of the tissue wall comprises deforming the flange and allowing the flange to return to an original shape. 
     
     
         39 . The method of  claim 35 , wherein the flange is disposed at or near the distal end of the tube. 
     
     
         40 . The method of  claim 35 , wherein the flange is integrally formed with the tube. 
     
     
         41 . The method of  claim 35 , wherein the ring is removably attached to the tube. 
     
     
         42 . The method of  claim 35 , wherein engaging the tube with the cap comprises selectively engaging ridges of the tube with a pawl member of the cap. 
     
     
         43 . The method of  claim 35 , wherein engaging the tube with the cap comprises selectively engaging threads of the tube with mating threads of the cap. 
     
     
         44 . The method of  claim 35 , further comprising disengaging the cap from the tube such that the conduit device provides fluid communication between the first surface and the second surface. 
     
     
         45 . A system comprising:
 a conduit device configured for providing fluid communication between a first surface and a second surface of a tissue wall, the conduit device comprising:
 a tube defining a lumen extending along an axis defined by the tube from a proximal end to a distal end of the tube, the tube configured for insertion within an aperture of the tissue wall extending from the first surface to the second surface of the tissue wall; and 
 a ring defining an opening extending along an axis defined by the ring from a proximal end to a distal end of the ring and configured for removably receiving the tube therethrough, the ring configured for engaging the second surface of the tissue wall; and 
   a cap configured for selectively engaging the tube such that the cap seals the proximal end of the tube.   
     
     
         46 . The system of  claim 45 , wherein the cap comprises a pawl member configured for selectively engaging ridges of the tube. 
     
     
         47 . The system of  claim 45 , wherein the cap comprises threads configured for selectively engaging mating threads of the tube. 
     
     
         48 . The system of  claim 45 , wherein the ring is configured for selectively engaging the tube via a pawl member and a ridge. 
     
     
         49 . The system of  claim 48 , wherein the ring comprises the pawl member, and wherein the tube comprises the ridge. 
     
     
         50 . The system of  claim 45 , wherein the ring comprises threads configured for selectively engaging mating threads of the tube. 
     
     
         51 . The system of  claim 45 , wherein the conduit device further comprises a flange attached to the tube and extending outward from an outer surface of the tube. 
     
     
         52 . The system of  claim 51 , wherein the flange is integrally formed with the tube. 
     
     
         53 . The system of  claim 51 , wherein the flange is disposed at or near the distal end of the tube and configured for engaging the first surface of the tissue wall. 
     
     
         54 . The system of  claim 45 , wherein the conduit device is configured for attaching a ventricular assist device to the tissue wall. 
     
     
         55 . A method comprising:
 inserting a tube of a conduit device within an aperture of a tissue wall extending from a first surface to a second surface of the tissue wall, the tube defining a lumen extending along an axis defined by the tube from a proximal end to a distal end of the tube;   engaging the tube with a ring of the conduit device, the ring defining an opening extending along an axis defined by the ring from a proximal end to a distal end of the ring and configured for removably receiving the tube therethrough;   engaging the second surface of the tissue wall with the ring; and   engaging the tube with a cap such that the cap seals the proximal end of the tube.   
     
     
         56 . The method of  claim 55 , wherein inserting the tube within the aperture of the tissue wall comprises passing the distal end of the tube through the aperture in the tissue wall. 
     
     
         57 . The method of  claim 55 , wherein engaging the tube with the ring comprises selectively engaging the tube with the ring via a pawl member and a ridge. 
     
     
         58 . The method of  claim 57 , wherein the ring comprises the pawl member, and wherein the tube comprises the ridge. 
     
     
         59 . The method of  claim 55 , wherein engaging the tube with the ring comprises selectively engaging threads of the ring with mating threads of the tube. 
     
     
         60 . The method of  claim 55 , wherein the conduit device further comprises a flange attached to the tube and extending outward from an outer surface of the tube, and wherein engaging the tube with the ring comprises engaging the tube with the ring such that the ring is spaced apart from the flange. 
     
     
         61 . The method of  claim 60 , wherein the flange is integrally formed with the tube. 
     
     
         62 . The method of  claim 55 , wherein engaging the tube with the cap comprises selectively engaging ridges of the tube with a pawl member of the cap. 
     
     
         63 . The method of  claim 55 , wherein engaging the tube with the cap comprises selectively engaging threads of the tube with mating threads of the cap. 
     
     
         64 . The method of  claim 55 , further comprising disengaging the cap from the tube such that the conduit device provides fluid communication between the first surface and the second surface.