Systems for implanting and using a conduit within a tissue wall
Various embodiments of the present invention provide a conduit system including an outer lumen ( 810 ), an inner lumen ( 805 ), and an attaching device ( 820 ). In other embodiments, a multiple access port device adapted for communication with at least one of an outer lumen, an inner lumen, or an attaching device of a conduit system is provided. In yet other embodiments, a system including an inner lumen that is collapsible is provided. Means for closing a conduit system are also provided, including a plug for insertion through an attaching device and a variable radius coiled member associated with an attaching device.
1. A system for use through a tissue wall having a first surface and a second surface, the system comprising:
an attaching device comprising a port defining an opening extending along a longitudinal axis of the attaching device, and a coil fixedly attached to the port and configured for advancing at least partially through the tissue wall such that at least a portion of the coil becomes disposed between the first surface and the second surface of the tissue wall;
an outer tube defining an outer lumen extending along a longitudinal axis of the outer tube, the outer tube comprising one or more tabs disposed at a distal end of the outer tube and configured for releasably attaching to the port;
an inner tube defining an inner lumen extending along a longitudinal axis of the inner tube, the inner tube configured for inserting through the outer lumen of the outer tube and the opening of the port and at least partially through the tissue wall to establish fluid communication between the first surface and the second surface of the tissue wall; and
a valve attached to the inner tube, the valve configured for controlling fluid flow through the inner lumen and for permitting passage of instruments therethrough.
2. The system of claim 1 , wherein the valve comprises a multiple leaflet valve.
3. The system of claim 1 , wherein the valve comprises a clamp valve, a duck-bill valve, a globe valve, a breast pump valve, or a diaphragm valve.
4. The system of claim 1 , wherein the valve comprises a one-way valve.
5. The system of claim 1 , wherein the valve is positioned at or near a proximal end of the inner tube.
6. The system of claim 1 , wherein the coil has a radially expanding helical shape.
7. The system of claim 6 , wherein a radius of the coil increases along at least a portion of a length of the coil from a proximal end toward a distal end thereof.
8. The system of claim 1 , wherein a radius of the coil is substantially constant from a proximal end to a distal end of the coil.
9. The system of claim 1 , wherein the attaching device comprises a plurality of coils fixedly attached to the port and configured for advancing at least partially through the tissue wall such that at least a portion of each coil becomes disposed between the first surface and the second surface of the tissue wall.
10. The system of claim 9 , wherein each of the coils is centered on the longitudinal axis of the attaching device.
11. The system of claim 1 , wherein the attaching device further comprises a flange extending about the port and configured for engaging the tissue wall.
12. The system of claim 1 , wherein the one or more tabs are configured for releasably attaching to a proximal end of the port.
13. The system of claim 1 , wherein the outer lumen of the outer tube is configured for receiving a portion of the port when the one or more tabs are attached to the port.
14. The system of claim 1 , wherein the outer tube is configured for rotating the attaching device via the one or more tabs to advance the coil at least partially through the tissue wall.
15. The system of claim 1 , further comprising a plug configured for positioning at least partially within the opening of the port.
16. The system of claim 15 , wherein the plug is configured for releasably attaching to the port.
17. The system of claim 16 , wherein the plug comprises threads configured for releasably engaging complementary threads of the port.
18. The system of claim 15 , wherein the plug comprises a second valve configured for controlling fluid flow through the plug and for permitting passage of instruments therethrough.
19. The system of claim 18 , wherein the second valve is formed by a flexibly sealable distal tip of the plug.
20. The system of claim 15 , wherein a distal tip of the plug is configured for extending at least partially through the tissue wall.