Expansile device for use in blood vessels and tracts in the...

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/04 (2006.01) A61B 17/00 (2006.01) A61B 17/12 (2006.01)

Patent

CA 2280914

This invention is a device (360) for expansion within a blood vessel having a wall defining a lumen in the body. The device comprises a first elongate tubular member (302) having proximal and distal extremities, and having a longitudinal axis. An expansile member (309) is carried by the distal extremity of the first elongate tubular member, and is movable between contracted and expanded positions. The expansile member has a predetermined configuration in the expanded position. A deformable membrane (311) covers the expansile member, and is sized so as to be capable of overlying and underlying the expansile member in the expanded position. Deployment means (361) are carried by the proximal extremity of the first elongate tubular member, and are adapted to be operated by the human hand for controlling movement of the expansile member between the contracted and expanded positions.

L'invention concerne un dispositif (360) prévu pour se dilater dans un vaisseau sanguin, comportant une paroi définissant une lumière dans le corps. Ce dispositif comporte un premier élément tubulaire allongé (302) avec des extrémités proximale et distale, et un axe longitudinal. Un élément expansible (309) est supporté par l'extrémité distale du premier élément tubulaire allongé, et peut se déplacer entre des positions contractées et dilatées. L'élément expansible présente une configuration prédéterminée dans la position dilatée. Une membrane déformable (311) recouvre l'élément expansible et est dimensionnée pour pouvoir être sus-jacente et sous-jacente à cet élément expansible dans la position dilatée. Des moyens de déploiement (361) sont supportés par l'extrémité proximale du premier élément tubulaire allongé et sont adaptés pour être actionnés par la main de l'homme pour contrôler le déplacement de cet élément expansible entre les positions contractées et dilatées.

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