Thin film medical device and delivery system

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/02 (2006.01) A61F 2/06 (2006.01)

Patent

CA 2580778

The present application relates to an intraluminal thin film medical device (100) particularly well suited for occlusion of an aneurysm, vessel side branch or dissection of a body lumen or duct, such as an artery or vein. The medical device has a thin film tube (101) capable of being longitudinally stretched by the application of mechanical energy to achieve a smaller circumferential profile, and self-expand to the pre-stretched length and diameter upon release of the mechanical energy. To assist the thin film during expansion a plurality of slots (102) are incised in the tube wall. The slots open and assist the thin film tube to longitudinally stretch, and substantially close when the thin film tube self-expands to the pre-stretched length and diameter.

La présente invention porte sur un dispositif médical intraluminal à film mince (100), parfaitement approprié, notamment, à l'occlusion d'un anévrisme, à la ramification latérale d'un vaisseau ou à la dissection d'un lumen ou conduit du corps tel qu'une artère ou une veine. Le dispositif médical comporte un tube à film mince (101) pouvant être étiré longitudinalement par l'application d'une énergie mécanique de façon à obtenir un profil circonférentiel plus petit et pouvant s'autodilater jusqu'à la longueur et au diamètre pré-étirés lors de la libération de l'énergie mécanique. Pour assister le film mince au cours de la dilatation, une pluralité de fentes (102) sont incisées dans la paroi du tube. Les fentes s'ouvrent et aident le tube à film mince à s'étirer longitudinalement et se ferment sensiblement lorsque le tube à film mince s'autodilate jusqu'à la longueur et jusqu'au diamètre pré-étirés.

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