Vascular graft with kink resistance after clamping

Details Vascular graft with kink resistance after clamping Vascular graft with kink resistance after clamping

A - Human Necessities

61

F

A61F 2/06 (2006.01)

Patent

CA 2610896

A self-sealing vascular graft with kink resistance is described. The vascular graft includes a substrate that can be a PTFE, having a self-sealing region that may include several layers of material. The central section of the vascular graft may be constructed differently from surrounding self-sealing regions, in order to provide kink resistance following the clamping of the graft. Also described is a graft with a flared cuff attached to one or both ends, the attachment or transition region including reinforcement beading.

La présente invention concerne un greffon vasculaire auto-étanchéifiable présentant une résistance au pliage. Le greffon vasculaire comprend un substrat qui peut être un PTFE, présentant une zone auto-étanchéifiable qui peut comprendre plusieurs couches de matériau. La section centrale du greffon vasculaire peut être conçue différemment des zones auto-étanchéifiables environnantes, de façon à apporter la résistance au pliage après le clampage du greffon. La présente invention concerne également un greffon comportant un ballonnet mandriné attaché à l'une de ses extrémités ou aux deux, l'attache ou la zone de transition comprenant un nervurage de renfort.

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