A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/22 (2006.01) A61M 29/00 (2006.01) A61M 1/00 (2006.01)
Patent
CA 2479536
A device (21) for retrieving clot material and distal protection within a blood vessel having a wall defining a lumen in the body. The device comprises an elongated tubular member (22) having proximal and distal extremities (23,24) and having a longitudinal axis. An expansile member (34) having proximal and distal extremities (36,37) is carried by the distal extremity of the elongated tubular member and is movable between radially contracted and expanded configurations. A deformable membrane (38) at least partially covers the expansile member in the radially expanded configuration. A guide member (131) is coupled to the distal extremity of the expansile member and has proximal and distal ends (132,133). A handle assembly (61) is carried by the proximal extremity of the elongated tubular member for moving said expansile member between radially contracted and expanded configurations. The handle assembly is detachable from the proximal extremity of the elongated tubular member.
La présente invention concerne un dispositif (21) de récupération de matière de caillot et de protection distale utilisé dans un vaisseau sanguin comportant une paroi qui définit une lumière dans le corps. Le dispositif comprend un élément tubulaire allongé (22) comportant des extrémités proximale et distale (23, 24) et un axe longitudinal. Un élément extensible (34) comportant des extrémités proximale et distale (36, 37) est supporté par l'extrémité distale de l'élément tubulaire allongé et peut se déplacer entre des configurations radialement contractée et étirée. Une membrane déformable (38) couvre au moins partiellement l'élément extensible lorsqu'il se trouve dans une configuration radialement étirée. Un élément (131) de guidage est couplé à l'extrémité distale de l'élément extensible et comporte des terminaisons proximale et distale (132, 133). Un ensemble poignée (61) est supporté par l'extrémité proximale de l'élément tubulaire allongé pour déplacer l'élément extensible entre les configurations radialement contractée et étirée. L'ensemble poignée est détachable de l'extrémité proximale de l'élément tubulaire allongé.
Epstein Gordon H.
Higashida Randall T.
Microdisc Technologies Inc.
Smart & Biggar
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