Vasoocclusive coils with thrombogenic enhancing fibers

Details Vasoocclusive coils with thrombogenic enhancing fibers Vasoocclusive coils with thrombogenic enhancing fibers

A - Human Necessities

61

B

A61B 17/03 (2006.01) A61B 17/12 (2006.01) A61M 29/00 (2006.01)

Patent

CA 2170358

This invention is a vasoocclusive device (100). It is placed in the vasculature of an animal to form a thrombus in a selected site such as an aneurysm or AVM. The device uses a central coil (102) having thrombogenic fibers (104, 106) placed on the coil in a specified fashion. The coil will pass through the lumen of a vascular catheter and form a convolution when ejected from the catheter's distal end. The fibers are attached to the coil and cooperate with the coil so that upon ejection from the catheter, the convoluted coil forms a shape in which the central region contains the majority of these fibers.

Cette invention concerne un dispositif vaso-occlusif (100). Il est placé dans le système vasculaire d'un animal pour former un thrombus à un emplacement choisi, par exemple un anévrisme du type anévrisme artério-veineux. Le dispositif a un serpentin central (102) ayant des fibres thrombogènes (104, 106) placées sur le serpentin d'une manière spéciale. Le serpentin va être introduit par le canal d'un cathéter vasculaire pour former un anneau lorsqu'il est éjecté de l'extrémité distale du cathéter. Les fibres sont fixées au serpentin et coopèrent avec celui-ci pour qu'après l'éjection hors du cathéter, le serpentin prenne la forme d'un anneau dont la partie centrale contient la majorité des fibres.

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