Multicapsule intraluminal grafting system and method

A - Human Necessities – 61 – F

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A61F 2/04 (2006.01) A61F 2/06 (2006.01) A61M 25/10 (2006.01)

Patent

CA 2125258

An intraluminal grafting system having a balloon catheter assembly, a capsule catheter assembly and capsule jacket assembly is used for deploying a graft having attachment means in the vessel of an animal body. The system contains a proximal capsule means and a distal capsule means, wherein the graft is disposed within the two capsule means and a removable sheath covers the graft and capsule means. The graft is comprised of a tubular member having superior and inferior ends, having attachment means with wall engaging members secured thereto. The balloon catheter is disposed within the capsule catheter to provide relative movement between the balloon catheter and the capsule catheter, whereby the graft can be removed from the capsule means. The balloon is inflated to firmly implant the graft and attachment means within the vessel. The graft and attachment means remain in the vessel after the intraluminal grafting system is withdrawn.

Système de greffe intraluminale comprenant un cathéter à ballonnet, un cathéter à capsule et une chemise à capsule. Le système est utilisé pour le déploiement, dans le vaisseau d'un corps, d'un greffon ayant un élément de fixation. Il comporte deux éléments à capsule : un proximal et un distal, et le greffon est placé à l'intérieur de ces deux éléments. En outre, une gaine amovible recouvre le greffon et les éléments à capsule. Le greffon est composé d'un élément tubulaire comprenant des extrémités supérieure et inférieure et des éléments de fixation sur lesquels sont solidement montés des éléments d'appui sur la paroi. Le cathéter à ballonnet est placé à l'intérieur du cathéter à capsule de manière à créer un mouvement relatif entre le premier cathéter susmentionné et le second. Ainsi, le greffon peut être retiré de l'élément à capsule. Le ballonnet est gonflé pour implanter fermement à l'intérieur du vaisseau le greffon et les éléments de fixation qui restent dans le vaisseau une fois que le système de greffe intraluminale est retiré.

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