Stent and method for manufacturing the stent

B - Operations – Transporting – 21 – F

Patent

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B21F 3/02 (2006.01) C22F 1/00 (2006.01)

Patent

CA 2578526

A method for manufacturing a helical stent (1) includes the steps of providing a stent body with struts disposed about the circumference thereof in turns and with bridges connecting the struts in adjacent turns. The stent body is at least partially expanded and, some time during expansion, some of the bridges, in particular, sacrificial bridges (9), are removed. A method for implanting this stent includes loading the stent at a stent delivery system, traversing the stent at the delivery system to an implantation site, and implanting the stent at the implantation site.

L'invention porte sur un procédé de fabrication d'une endoprothèse hélicoïdale (1) consistant notamment à utiliser un corps d'endoprothèse avec des entretoises disposées en alternance sur sa circonférence et des ponts reliant les entretoises par spires adjacentes. Le corps de l'endoprothèse est au moins en partie expansé et, certains des ponts, en particulier les ponts sacrificiels (9) sont supprimés au cours de l'expantion. Un des procédés d'implantation de l'endoprothèse consiste à positionner l'endoprothèse coronaire dans un système de pose d'endoprothèse coronaire, à déployer l'endoprothèse coronaire dans le système de pose à un site d'implantation, et à implanter l'endoprothèse coronaire sur le site d'implantation.

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