Dilator and introducer assembly

Details Dilator and introducer assembly Dilator and introducer assembly

A - Human Necessities

61

M

A61M 29/00 (2006.01) A61F 2/06 (2006.01) A61M 25/06 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2243583

A resiliently flexible body vessel or body cavity dilator (10) that tapers towards one end (12) and a transition zone (14) that decreases in flexibility along the dilator away from the one end (12). The dilator (10) can comprise a dilator arranged to be slid over a guidewire (32) for use in the placement of an intraluminal graft bridging an aortic aneurysm. The dilator can also comprise an inner core of relatively stiff material (21) surrounded by an outer layer of resiliently flexible material (23).

Cette invention concerne un dilatateur (10) de vaisseau corporel ou de cavité corporelle, flexible par déformation élastique, qui s'amenuise en direction d'une extrémité (12) et qui possède une zone de transition (14) dont la flexibilité décroît le long du dilatateur à mesure qu'on s'éloigne de ladite extrémité (12). Ce dilatateur (10) peut être conçu pour être glissé sur un fil-guide (32) servant au placement d'un greffon intraluminal destiné au pontage d'un anévrisme aortique. Ledit dilatateur peut également comporter un noyau interne constitué d'un matériau relativement raide (21) enveloppé d'une couche externe d'un matériau relativement flexible (23).

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