Vaso-occlusive device having pivotable coupling

Details Vaso-occlusive device having pivotable coupling Vaso-occlusive device having pivotable coupling

A - Human Necessities

61

B

A61B 17/12 (2006.01)

Patent

CA 2589906

An assembly for occluding a vascular site (e.g., an aneurysm) of a human or veterinary patient includes a vaso-occlusive member, a pusher member having a distal end and a severable junction located proximal to the distal end, and a pivotable coupling that couples the pusher member to the occlusive member. As a severable junction is severed to detach the vaso-occlusive member from the pusher member, an axial force is applied by the vaso-occlusive member in a proximal direction, which buckles the pivotable coupling to laterally deflect the axial force. The lateral deflection of the axial force caused by the buckling of the pivotable coupling prevents the delivery catheter from being displaced from the aneurysmal neck by the axial force.

L'invention concerne un dispositif destiné à l'occlusion d'un site vasculaire (par ex. d'un anévrisme) d'un patient humain ou animal, comportant un élément vaso-occlusif, un élément poussoir présentant une extrémité distale et une jonction sécable située à proximité de l'extrémité distale, et un couplage pivotant couplant l'élément poussoir à l'élément occlusif. Lorsqu'une jonction sécable est coupée afin de détacher l'élément vaso-occlusif de l'élément poussoir, une force axiale est appliquée par l'élément vaso-occlusif dans une direction proximale afin de boucler le couplage pivotant de manière à dévier latéralement la force axiale. Ceci permet d'éviter que le cathéter de distribution ne soit déplacé du site d'anévrisme par la force axiale.

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