Occlusion catheter having compliant balloon for use with...

Details Occlusion catheter having compliant balloon for use with... Occlusion catheter having compliant balloon for use with...

A - Human Necessities

61

M

A61M 29/00 (2006.01) A61B 17/12 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2459234

A catheter (10) used for treatment of complex vasculature, such as a bifurcated aneurysm, is provided with an inflatable balloon (20) at a distal portion thereof. The shape, location and material of the inflatable balloon (20) are selected such that when inflated, the balloon (20) conforms to the shape of the complex vasculature, or at least a portion thereof, without appreciable deforming the vessel walls. In this manner, the balloon (20) is used to control flow in the vasculature, occluding a selected branch of the vasculature during introduction of material in order concentrate the material and minimize its disbursement by blood flow.

L'invention concerne un cathéter (10) utilisé dans le traitement d'un système vasculaire complexe, tel qu'un anévrisme bifurqué, qui est pourvu d'un ballon gonflable (20) sur une de ses parties distales. La forme, l'emplacement et la matière dudit ballon gonflable (20) sont sélectionnés de sorte que lorsque ledit ballon (20) est gonflé, il se conforme à la forme du système vasculaire complexe, ou à au moins une de ses portions, sans déformation sensible des parois vasculaires. De cette manière, ledit ballon (20) peut être utilisé pour réguler le débit dans le système vasculaire, par exemple par occlusion d'une branche sélectionnée dudit système vasculaire pendant l'introduction de la matière de façon à concentrer la matière et minimiser son déversement dans le débit sanguin.

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