Removable occlusion system for aneurysm neck

Details Removable occlusion system for aneurysm neck Removable occlusion system for aneurysm neck

A - Human Necessities

61

B

A61B 17/00 (2006.01)

Patent

CA 2294707

A system for treating an aneurysm (26) in a vessel (28) includes a delivery device (10) having a delivery portion suitable for delivery of embolic material (44). The delivery device (10) is placed in a neck (40) of the aneurysm (36) and an expandable member (16) is placed proximate the neck (40). The expandable member (16) is expanded to overlie substantially the entire neck (40). Embolic material (44) is delivered to the aneurysm (36) with the delivery device. The expandable member (16) is held over the neck (40) to inhibit movement of the embolic material (44) out of the aneurysm (36). Blood is allowed to flow out of the aneurysm (36), past the neck (40) of the aneurysm (36), and through the vessel (28) while the expandable member (16) is held over the neck (40) of the aneurysm (36).

L'invention concerne un système pour traiter un anévrisme (36) dans un vaisseau (28). Le système comprend un dispositif de transport (10) possédant une partie de transport conçue pour transporter du matériau embolique (44). Le dispositif de transport (10) est placé dans un col (40) de l'anévrisme (36), un élément extensible (16) étant placé près du col (40). L'élément extensible (16) se dilate pour recouvrir pratiquement tout le col (40). Le dispositif de transport sert à transporter le matériau embolique (44) jusqu'à l'anévrisme (36). On tient l'élément extensible (16) au-dessus du col (40) pour empêcher le matériau embolique (44) de sortir de l'anévrisme (36). Le sang peut s'écouler depuis l'anévrisme (36) et circuler au-delà du col (40) de l'anévrisme (36), puis par le vaisseau (28), l'élément extensible (16) étant maintenu au-dessus du col (40) de l'anévrisme (36).

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