Patent ID: 9320875
Filing Date: 2016-04-26
CPC Classification: A61B,A61F,A61M

Claim Text:
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.