Rotational thrombectomy device

Details Rotational thrombectomy device Rotational thrombectomy device

A - Human Necessities

61

M

A61M 25/00 (2006.01) A61B 17/22 (2006.01) A61M 1/14 (2006.01)

Patent

CA 2421491

A thrombectomy apparatus for breaking up thrombus or other obstructive material in a lumen of a vascular graft or vessel comprising a flexible sheath, and a wire positioned within the flexible sheath wherein the wire and flexible sheath are relatively movable. The wire is substantially sinuous in configuration and assumes a substantially sinuous shape when in the deployed position and assumes a straighter position in the retracted position. The wire is operatively connected to a motor for rotation of the wire to enable peaks of the sinuous wire to contact a wall of the lumen to break up the thrombus or other obstructive material.

L'invention porte sur un dispositif destiné à la thrombectomie. Ce dispositif brise le thrombus ou d'autres matières obstruant la lumière d'un greffon vasculaire ou d'un vaisseau. Il comprend une tige flexible et un fil situé à l'intérieur de cette tige. Le fil et la tige flexible sont relativement mobiles. Le fil présente une configuration très sinueuse. Lorsqu'il est déployé, il est très sinueux et lorsqu'il est rétracté, il est plus droit. Le fil est connecté à un moteur qui assure sa rotation et permet aux arcs du fil sinueux d'entrer en contact avec la paroi afin de briser le thrombus ou d'autres matières occlusives.

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