Stented vascular graft

Details Stented vascular graft Stented vascular graft

A - Human Necessities

61

F

A61F 2/06 (2006.01)

Patent

CA 2698769

A vascular graft incorporating a stent into a portion of its length. While various materials may be used for the vascular graft, the graft is preferably an ePTFE graft. The stent is preferably a self-expanding stent, although it may alternatively be a balloon expandable stent. The vascular graft preferably has a continuous inner tubular liner that extends between the opposing ends of the graft and provides a continuous luminal surface for blood contact that is uninterrupted by seams or joints. The length portion of the graft that does not include the stent has a greater wall thickness than does the portion including the stent.

L'invention concerne un greffon vasculaire intégrant un stent dans une portion de sa longueur. Divers matériaux peuvent être utilisés pour le greffon vasculaire, mais il est de préférence en ePTFE. Le stent est de préférence autoexpansible, mais il peut également d'agir d'un stent expansible de type ballonnet. Le greffon vasculaire comprend de préférence un revêtement intérieur tubulaire continu qui s'étend entre les extrémités opposées du greffon et fournit pour le contact avec le sang une surface luminale continue qui n'est pas interrompue par des soudures ou des joints. La paroi de la portion longitudinale du greffon qui ne comprend pas le stent est plus épaisse que celle de la portion qui le comprend.

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