Delivery system and method for deployment and endovascular...

Details Delivery system and method for deployment and endovascular... Delivery system and method for deployment and endovascular...

A - Human Necessities

61

F

A61F 2/84 (2006.01) A61F 2/06 (2006.01) A61F 2/90 (2006.01)

Patent

CA 2321204

This invention is a coaxial delivery system for the delivery, and endo- vascular assembly of a multi-stage stent graft. Each stage or layer of the stent graft may comprise radially compressible spring portions (9). The system may have a first sheath (11) which comprises a first portion (12) to enclose a stage (2), and a second portion (20) smaller than the first portion (12). The system further has a second sheath (24) configured to enclose the second portion (20) of the first sheath (11), and another stage (4, 3). The multi-stage stent graft may be formed by the stage (2), and the stage (4, 3).

La présente invention concerne un système de délivrance coaxial permettant la délivrance et l'assemblage endovasculaire d'un stent à greffer multi-étages. Chaque étage ou couche du stent à greffer peut comprendre des parties ressorts (9) compressibles radialement. Le système peut comprendre une première gaine (11) comportant une première partie (12) qui renferme un étage (2) et une deuxième partie (20), plus petite que la première partie (12). Le système comprend également une deuxième gaine (24) configurée pour renfermer la deuxième partie (20) de la première gaine (11), et un autre étage (4, 3). Le stent à greffer multi-étages peut être formé par l'étage (2) et l'étage (4, 3).

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