Valved embolic protection filter

Details Valved embolic protection filter Valved embolic protection filter

A - Human Necessities

61

F

A61F 2/01 (2006.01)

Patent

CA 2527231

Embolic protection filters having means for retaining embolic debris captured therein are disclosed. An embolic protection filter (10) in accordance with the present invention may include a filter frame (12) disposable about a guidewire (14), a filter membrane (22) for filtering embolic debris, and a valve (30) configured to prevent the escape of filtered embolic debris. The valve may comprise a leaflet (34) valve having a plurality of leaflets configured to engage each other about a coaptive region (38).

L'invention concerne des filtres de protection emboliques comprenant des moyens permettant de retenir des débris emboliques captés. Un tel filtre (10) de protection embolique peut comprendre un châssis (12) de filtre qui peut se monter autour d'un fil-guide (14), une membrane (22) de filtrage servant à filtrer les débris emboliques, et une valve (30) conçue pour empêcher les débris emboliques de s'échapper. La valve peut être une valve à feuillets (34) comprenant une pluralité de feuillets conçus de manière à entrer en contact les uns avec les autres dans une zone coaptive (38).

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