A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/06 (2006.01) A61B 17/00 (2006.01) A61F 2/86 (2006.01)
Patent
CA 2345962
An endoluminal graft is provided which is constructed to be radially collapsed and/or radially compressed to a small diameter. The graft has wireforms which generally comprise a wire deformed into generally annular configuration and consisting of a plurality of curvilinear wave forms. The wave forms have a plurality of first apices in linear alignment with each other, a plurality of second apices in linear alignment with each other, and a plurality of curvilinear segments traversing back and forth between said first and second apices. The graft is i) initially disposable in a radially compact configuration of a first diameter and ii) subsequently expandable to a radially expanded configuration of a second diameter, said second diameter being larger than said first diameter. When in its radially compact configuration, the adjacent curvilinear segments of the wireforms will nest or seat in abutting contact with one another, thereby minimizing the diameter of the graft while in its radially compact configuration.
L'invention concerne une greffe endoluminale qui est conçue de manière à s'affaisser radialement et/ou se comprimer radialement en un diamètre plus petit. La greffe comporte des formes de fil comprenant généralement un fil déformé en une configuration généralement annulaire, et constitué de plusieurs formes de vagues curvilignes. Les formes de vagues comportent plusieurs premiers sommets alignés linéairement, plusieurs deuxièmes sommets alignés linéairement, et plusieurs segments curvilignes traversant dans les deux sens lesdits premiers et deuxièmes sommets. La greffe peut être 1) initialement placée dans une configuration compacte présentant un premier diamètre, et 2) ultérieurement étendue de façon à adopter une configuration étendue radialement présentant un deuxième diamètre, ledit deuxième diamètre étant supérieur audit premier diamètre. Dans la configuration compacte radialement, les segments curvilignes adjacents des formes de fil se logent ou se fixent en contact abouté les uns avec les autres, ce qui permet de réduire au minimum le diamètre de la greffe dans la configuration compacte radialement.
Mcintyre John
Oh Seik
Rhee Richard
Edwards Lifesciences Corporation
Sim & Mcburney
LandOfFree
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