A secured stent delivery system

Details A secured stent delivery system A secured stent delivery system

A - Human Necessities

61

F

A61F 2/84 (2006.01) A61F 2/90 (2006.01)

Patent

CA 2623338

A stent delivery system (30) which has a stent (1) , a catheter, and a tether (5) . The catheter has a balloon (10) with at least one fold (20) . The balloon and the stent both have unexpanded configurations with smaller diameters and expanded configurations with greater diameters. The tether defines a length and has a first end connected to the unexpanded stent and a contacting span enwrapped within the fold of the unexpanded balloon. The tether holds the unexpanded stent to the unexpanded balloon and releases the expanded stent from the expanded balloon. ,

La présente invention concerne un système de libération de stent (30) qui comporte un stent (1), un cathéter et un filin (5). Le cathéter comprend un ballonnet (10) avec au moins un pli (20). Le ballonnet et le stent ont tous les deux des configurations non dilatées avec des diamètres plus petits et des configurations dilatées avec des diamètres plus grands. Le filin définit une longueur et comporte une première extrémité raccordée au stent non dilaté et une travée de contact emballée à l'intérieur du pli du ballonnet non dilaté. Le filin fixe le stent non dilaté au ballonnet non dilaté et libère le stent dilaté à partir du ballonnet dilaté.

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