Non-shortening helical stent

Details Non-shortening helical stent Non-shortening helical stent

A - Human Necessities

61

F

A61F 2/06 (2006.01)

Patent

CA 2574936

A stent may comprise a helically wound ribbon of material. The stent may comprise a plurality of ribbon turns about a longitudinal axis of the stent. Upon expansion of the stent, the diameter of the stent may increase and the number of ribbon turns may decrease. Upon expansion of the stent, the width of the ribbon may increase. The length of the stent may be the same in unexpanded and expanded states.

La présente invention concerne un stent qui comprend un ruban de matériau enroulé de manière hélicoïdale. Le stent comprend une pluralité de tours de ruban autour d'un axe longitudinal du stent. Lors de l'expansion du stent, le diamètre du stent augmente et le nombre de tours de ruban diminue. Lors de l'expansion du stent, la largeur du ruban augmente. La longueur du stent est la même dans les états non expansé et expansé.

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