Solid embolic material with variable expansion

Details Solid embolic material with variable expansion Solid embolic material with variable expansion

A - Human Necessities

61

B

A61B 17/12 (2006.01)

Patent

CA 2483823

A solid embolic material that is capable of filling irregularly shaped and asymmetrical vascular defects in a controlled and predictable manner, without the difficulties associated with delivery of the embolic material through a microcatheter and containment of the embolic material in a defect. A detachable embolic balloon with optional check valve for maintaining liquid in the balloon prior to curing and optional multi-leaflet covering to prevent the balloon from expanding into the native vascular lumen.

L'invention porte sur un matériau solide d'embolisation pouvant remplir des formes irrégulières et des défauts vasculaires asymétriques de manière contrôlable et prévisible, en évitant les difficultés associées à la mise en place de tels matériaux à l'aide de microcathéters et à leur rétention à l'intérieur d'un défaut. A cet effet on utilise un ballon d'embolisation détachable facultativement muni d'un clapet anti-retour pour maintenir le liquide dans le ballon avant son durcissement, et d'une couverture à plusieurs feuillets pour empêcher le ballon de se dilater dans la lumière du vaisseau d'origine.

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