Detachable pusher-vasooclusive coil assembly

Details Detachable pusher-vasooclusive coil assembly Detachable pusher-vasooclusive coil assembly

A - Human Necessities

61

B

A61B 17/00 (2006.01)

Patent

CA 2315061

A coil device (20) for delivery of a vaso-occlusion coil (11) to a vascular target site via a catheter (12) is disclosed. The device includes a wire (22) adapted to be slidably received within the lumen (18) of a catheter (12) or an introducer (34), the wire (22) having at its distal end a stiff wavy wire (28) segment adapted to frictionally and releasably engage a vaso- occlusion coil (11) by the end region inner lumen of the vaso-occlusion coil. Also disclosed are a catheter assembly employing the coil-delivery device and a method of releasably engaging a vaso- occlusion coil with the device.

L'invention concerne un dispositif d'acheminement d'une spirale (20) servant à acheminer une spirale d'occlusion vasculaire (11) vers un site cible vasculaire au moyen d'un cathéter (12). Le dispositif comprend un fil (22) conçu pour se loger par coulissement à l'intérieur de la lumière (18) d'un cathéter (12) ou d'un introducteur (34). Ce fil (22) présente à son extrémité distale un segment de fil ondulé rigide adapté pour s'insérer par frottement et de manière libérable dans une spirale d'occlusion vasculaire (11), par la lumière interne de la partie d'extrémité de ladite spirale. L'invention concerne en outre un ensemble cathéter mettant en oeuvre ce système d'acheminement de la spirale, et un procédé pour insérer de manière libérable une spirale d'occlusion vasculaire au moyen du dispositif.

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