Helical stent graft

Details Helical stent graft Helical stent graft

A - Human Necessities

61

F

A61F 2/06 (2006.01)

Patent

CA 2667478

In vivo failure of a helical stent graft is addressed by provision of reinforcing material for the graft material in at least two (preferably three) separate sections, each section comprising a continuous integral piece of material, wherein each section of reinforcing material is in the form of a helix with a longitudinal axis substantially parallel to the longitudinal axis of the tube. Thus leaks caused by unravelling of the reinforcing material are mitigated.

On s'attaque à la défaillance in vivo d'une greffe de stent hélicoïdal en disposant un matériau de renforcement pour le matériau de greffe dans au moins deux sections séparées (de préférence trois), chaque section comprenant une pièce de matériau d'un seul tenant continue, chaque section de matériau de renforcement ayant la forme d'une hélice avec un axe longitudinal sensiblement parallèle à l'axe longitudinal du tube. On réduit ainsi les fuites provoquées par un effilochage du matériau de renforcement.

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