Expandable supportive bifurcated endoluminal grafts

Details Expandable supportive bifurcated endoluminal grafts Expandable supportive bifurcated endoluminal grafts

A - Human Necessities

61

F

A61F 2/06 (2006.01)

Patent

CA 2234948

An endoluminal graft which is both expandable and supportive is provided in a form suitable for use in a bifurcated body vessel location. The graft expands between a first diameter and a second, larger diameter. The support component is an expandable stent endoprosthesis. A cover, a liner, or both a cover and a liner are applied to the endoprosthesis in the form of a stretchable wall material that is porous, elastomeric and biocompatible in order to allow normal cellular invasion upon implantation, without stenosis, when the expandable and supportive graft is at its second diameter. The supportive endoluminal graft is preferably provided as a plurality of components that are deployed separately at the bifurcated body vessel location.

Cette invention concerne un greffon endoluminal qui est extensible et conçu pour le maintien et dont la forme convient à l'implantation dans un vaisseau corporel présentant une bifurcation. Ce greffon peut se déployer entre un premier diamètre et un second diamètre plus large. Le composant assurant le maintien est constitué d'une endoprothèse de type tuteur extensible. L'endoprothèse est garnie d'une chemise et/ou revêtue d'une enveloppe qui se présentent sous la forme d'une matière déformable pouvant épouser la paroi, ladite matière étant poreuse, élastomère et biocompatible de manière à permettre une invasion cellulaire normale après l'implantation, sans sténose, lorsque le greffon extensible de maintien a atteint son second diamètre. Ce greffon endoluminal de maintien se compose de préférence d'une pluralité de composants qui se déploient séparément au niveau de la bifurcation du vaisseau corporel.

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