Nonexpandable stent

Details Nonexpandable stent Nonexpandable stent

A - Human Necessities

61

M

A61M 25/04 (2006.01) A61M 27/00 (2006.01)

Patent

CA 2665868

Disclosed herein is a nonexpandable stent and a method of making and deploying the stent. The stent includes a tubular body having a distal portion, a proximal portion, a central longitudinal portion between the distal and proximal portions, and a substantially nonexpandable diameter. The stent includes at least one securing element. The securing element includes a reinforcement member comprising a shape memory material. The securing element comprises a first configuration of the reinforcement member for delivery to a treatment site within a body vessel and a second configuration of the reinforcement member for deployment at the treatment site.

L'invention concerne une endoprothèse vasculaire non extensible et un procédé de réalisation et de déploiement de l'endoprothèse vasculaire. L'endoprothèse vasculaire comporte un corps tubulaire présentant une partie distale, une partie proximale, une partie longitudinale centrale située entre les parties distale et proximale, et un diamètre sensiblement non extensible. L'endoprothèse vasculaire comporte au moins un élément de fixation muni d'un élément de renforcement incluant un matériau à mémoire de forme. L'élément de renforcement de l'élément de fixation dispose d'une première configuration permettant une délivrance jusqu'à un site de traitement dans un vaisseau corporel ; et une seconde configuration de déploiement au niveau du site de traitement.

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