Assembly of stent grafts

A - Human Necessities – 61 – F

Patent

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A61F 2/06 (2006.01)

Patent

CA 2619587

A method of and system for assembling a stent graft (20) includes temporary diameter reduction arrangements to enable partial release of a stent graft to assist with positioning before complete release. The diameter reduction arrangement includes a release wire (72) and flexible threads (74, 80) extending to struts (76) of a self-expanding stent (70) either side of the release wire and being pulled tight. Removal of the release wire enables full expansion of the self- expanding stent.

Cette invention concerne en procédé et un système permettant l'assemblage d'une endoprothèse (20). Ce système comprend des dispositifs de réduction temporaire du diamètre permettant une libération partielle de l'endoprothèse, de manière à faciliter son positionnement avant sa libération complète. Le dispositif de réduction de diamètre comprend un fil métallique (72) de libération, et des fils (74, 80) flexibles s'étendant jusqu'aux entretoises (76) d'une endoprothèse (70) auto-expansible de chaque côté du fil de libération, et étroitement resserrés sur les entretoises. Le retrait du fil métallique de libération permet l'expansion complète de l'endoprothèse.

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