Temporary stent system

Details Temporary stent system Temporary stent system

A - Human Necessities

61

F

A61F 2/06 (2006.01) A61M 29/00 (2006.01) A61F 2/00 (2006.01)

Patent

CA 2159734

This application is directed to a stent delivery system for introducing a flexible, generally cylindrical, self-expandable stent (1) into a constricted duct within a patient. The system includes a catheter (11) defining at least one lumen (13) having at least three longitudinally displaced openings (16, 17) extending from the lumen (13) to the outer surface of the catheter (11). Carried by the catheter (11) during insertion into a patient's duct is a stent (1) which is comprised of a generally cylindrical expandable structure having a flexible member (6) extending proximally from the cylindrical structure. The stent (1) is wound circumferentially around the catheter (11) and is held in place by restraining means (9, 15). The system further includes at least one release wire (20) extending through lumen (13) which cooperates with the restraining means (9, 15) such that when the release wire (20) is withdrawn proximally, the stent (1) is released and free to expand.

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