Bifurcation stent with overlapping crimped struts

Details Bifurcation stent with overlapping crimped struts Bifurcation stent with overlapping crimped struts

A - Human Necessities

61

F

A61F 2/86 (2006.01)

Patent

CA 2626745

A bifurcated stent has an expanded and an unexpanded state with an outer surface and an inner surface with a wall extending there between and the inner surface defining an inner stent lumen. The stent has a primary stent body with a proximal end and a distal end with a band circumferential there between. A side branch portion is disposed in the band circumferential and in the unexpanded state the band circumferential has at least one overlapped section such that the at least one overlapped section has a greater density of stent material than the rest of the stent. In the expanded state the side branch portion extends obliquely from the primary stent body.

L~invention concerne un stent bifurqué pouvant etre dans un état étiré on un état non étiré comportant une surface externe et une surface interne, une paroi s'étendant entre les deux et la surface interne définissant une lumière de stent interne. Le stent possède un corps de stent principal avec une extrémité proximale et une extrémité distale, une bande circonférentielle étant prévue entre les deux. Une portion de branche latérale est disposée dans et, dans l'état non étiré, au moins une section de la bande circonférentielle est recouverte de telle sorte que ladite ou lesdites sections recouvertes ont une plus grande densité de matériel de stent que le reste du stent. À l'état étiré, la portion de branche latérale s'étend obliquement depuis le corps principal du stent.

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