Spiral stent

Details Spiral stent Spiral stent

A - Human Necessities

61

F

A61F 2/06 (2006.01) A61F 2/00 (2006.01)

Patent

CA 2127458

A self-expanding endovascular stent formed of stainless steel wire which is bent into an elongated zigzag pattern (5) and helically wound about a central axis (31) to define a tubular shape (30). Adjacent bends (8) in the helix are interconnected with a filament (32). The stent (30) is capable of being radially compressed such that the straight wire sections (11, 13 and 15), and the bends (8) are tightly packed around a central axis (31). The stent (30) resiliently self-expands to assume a tubular shape when released from the compressed state.

Stent endovasculaire auto-expansible comportant un fil d'acier inoxydable plié en forme de zigzag allongé (5) et enroulé en hélice autour d'un axe central (31) pour prendre une forme tubulaire (30). Des coudes adjacents (8) dans l'hélice sont interreliés au moyen d'un filament (32). Le stent (30) peut être comprimé radialement de telle façon que les parties de fil droit (11, 13 et 15) et les coudes (8) sont comprimés autour d'un axe central (31). Le stent (30) s'auto-déploie de façon résiliente afin de prendre une forme tubulaire lorsqu'on le décomprime.

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