Valved embolic protection filter
First Claim
Patent Images
1. An embolic protection filter, comprising:
- a filter frame including an annular-shaped member disposable about an elongated member;
a filter membrane coupled to said annular-shaped member, said filter membrane comprising a microporous membrane or mesh screen for filtering embolic debris within a blood vessel; and
a plurality of coaptive leaflets pivotally mounted to the annular-shaped member, said plurality of coaptive leaflets configured to engage each other about a coaptive region forming an aperture configured to receive the elongated member.
2 Assignments
0 Petitions
Accused Products
Abstract
Embolic protection filters that retain embolic debris captured therein are disclosed. One embodiment of an embolic protection filter includes a filter frame disposable about a guidewire, a filter membrane for filtering embolic debris, and a valve configured to prevent the escape of filtered embolic debris. The valve may comprise a leaflet valve having a plurality of leaflets configured to engage each other about a coaptive region.
227 Citations
10 Claims
-
1. An embolic protection filter, comprising:
-
a filter frame including an annular-shaped member disposable about an elongated member; a filter membrane coupled to said annular-shaped member, said filter membrane comprising a microporous membrane or mesh screen for filtering embolic debris within a blood vessel; and a plurality of coaptive leaflets pivotally mounted to the annular-shaped member, said plurality of coaptive leaflets configured to engage each other about a coaptive region forming an aperture configured to receive the elongated member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. An embolic protection filter, comprising:
-
a filter frame including an annular-shaped member disposable about an elongated member; a filter membrane coupled to said annular-shaped member, said filter membrane comprising a microporous membrane or mesh screen for filtering embolic debris within a blood vessel; and a plurality of coaptive leaflets pivotally mounted to the annular-shaped member, said plurality of coaptive leaflets configured to engage each other about a coaptive region forming an aperture configured to receive the elongated member; wherein said plurality of leaflets are configured to deflect away from the coaptive region in response to the flow of blood in the downstream direction, and resiliently return to the coaptive region in response to the flow of blood in the upstream direction.
-
Specification