Endovascular prosthetic devices having hook and loop structures

Details Endovascular prosthetic devices having hook and loop structures Endovascular prosthetic devices having hook and loop structures

A - Human Necessities

61

F

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

Patent

CA 2426444

Endovascular prostheses and methods for their use are disclosed. The prostheses include an endovascular member in need of repair and a patch therefore, as well as prostheses comprising two or more endovascular members, such as stent-grafts, which may be assembled in situ. Components of the prostheses are held together in substantially fluid tight engagement as the result of hook and loop structures which are present on the members. The hooks engage the loops to secure the components to one another. As a result, the present invention is particularly useful for the in situ repair of damaged prostheses and for the in situ assembly of bifurcated endovascular prostheses, particularly for the treatment of abdominal aortic aneurysms.

L'invention concerne des prothèses endovasculaires et leur procédé d'utilisation. Les prothèses comprennent un élément endovasculaire nécessitant une réparation ainsi qu'un patch pour ce faire, de même que des prothèses comprenant deux éléments endovasculaires ou davantage, tels que des prothèses endovasculaires-greffes, pouvant être assemblées in situ. Les constituants des prothèses sont maintenus ensemble en un contact sensiblement étanche aux fluides au moyen des structures à crochets et à boucles présentes sur les éléments. Les crochets viennent en prise avec les boucles afin de fixer les constituants les uns aux autres. Ainsi, la présente invention est particulièrement utile à la réparationin situ de prothèses endommagées et à l'assemblage in situ de prothèses endovasculaires à deux branches, notamment dans le traitement d'anévrismes de l'aorte abdominale.

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