Partial aortic occlusion devices and methods for cerebral...

Details Partial aortic occlusion devices and methods for cerebral... Partial aortic occlusion devices and methods for cerebral...

A - Human Necessities

61

M

A61M 25/00 (2006.01) A61M 25/04 (2006.01) A61M 25/088 (2006.01) A61B 5/0215 (2006.01)

Patent

CA 2444878

Methods are provided for partial aortic obstruction for cerebral perfusion augmentation in patients suffering from global or focal cerebral ischemia. Alternatively, the methods can be used to partially obstruct aortic blood flow to condition the spinal cord to secrete neuroprotective agents prior to abdominal aortic aneurysm repair. Partial obstruction of a vessel can be accomplished by a device comprising an elongate catheter (102) and a distally mounted expandable member (104).The expandable member (104) may comprise one or two balloons. Other medical devices, such as an angioplasty, stent, or atherectomy catheter, can be inserted distal the expandable member to provide therapeutic intervention.

Cette invention concerne des méthodes d'occlusion aortique partielle visant à accroître l'irrigation sanguine chez des patients souffrant d'ischémie cérébrale globale ou focale. Dans une variante, ces méthodes peuvent être utilisées pour occlure partiellement le flux sanguin aortique afin d'amener la moelle épinière à sécréter des agents neuroprotecteurs avant toute réparation d'anévrisme aortique abdominal. On peut procéder à l'occlusion partielle d'un vaisseau à l'aide d'un dispositif comportant un cathéter allongé (102) ainsi qu'un élément extensible (104) monté de manière distale. Ledit élément extensible (104) peut comprendre un ou deux ballonnets. D'autres dispositifs médicaux, tels qu'un cathéter d'angioplastie, un stent, ou un cathéter d'athérectomie, peuvent être insérés de manière distale par rapport à l'élément extensible de manière que l'intervention thérapeutique soit possible.

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