System and method for mechanically positioning intravascular...

A - Human Necessities – 61 – B

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A61B 17/12 (2006.01) A61F 2/82 (2006.01) A61B 17/28 (2006.01)

Patent

CA 2649702

An intravascular implant delivery system carries an implant (90) by retaining an engagement member engaging the implant in a position proximal of an aperture (84) at a distal end of the delivery system. The engagement member (96) is retained proximal to the aperture by a cord (52) that obstructs the movement of the engagement member through the aperture. The engagement member is free to rotate and move within an area defined by the delivery system, allowing the implant to react to forces imparted to the implant by the movement of the delivery system and implant through a delivery catheter. Once the implant is in a desired implant position, the cord is moved away from an aperture and the engagement member is allowed to move away from the delivery system.

L'invention concerne un système de mise en place d'un implant intravasculaire qui supporte un implant par retenue d'un élément de couplage couplant l'implant dans une position proximale d'une ouverture à une extrémité distale du système de mise en place. L'élément de couplage est retenu dans une position proximale par rapport à l'ouverture par une corde qui empêche le mouvement de cet élément à travers l'ouverture. L'élément de couplage est libre de pivoter et de se déplacer dans une zone définie par le système de mise en place, autorisant à l'implant de réagir aux forces appliquées sur celui-ci par le mouvement du système de mise en place et à l'implanter à travers un cathéter de mise en place. Une fois que l'implant se trouve dans la position désirée, la corde est retirée de l'ouverture et l'élément de couplage peut s'éloigner du système de mise en place.

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