Two-piece prosthetic valves with snap-in connection and methods for use
First Claim
1. A prosthetic heart valve, comprising:
- a gasket member comprising an annular ring advanceable into a tissue annulus, and a sewing cuff extending radially from the annular ring;
a valve member comprising a frame carrying a plurality of valve elements;
a plurality of engagement members extending from one of the gasket member and the valve member, the engagement members comprising tabs including tapered first edges and substantially blunt second edges; and
a plurality of receptacles and a plurality of tapered channels on the other of the gasket member and the valve member, each receptacle disposed in a corresponding one of the tapered channels and comprising a pocket for receiving respective engagement members therein, each receptacle comprising one or more tapered surfaces for guiding a respective engagement member into the receptacle, the substantially blunt second edges preventing removal of the engagement members from the receptacles;
wherein the engagement members and the receptacles are configured such that the receptacle deforms in response to the engagement member as the engagement member is inserted into the corresponding receptacle.
0 Assignments
0 Petitions
Accused Products
Abstract
A prosthetic heart valve assembly includes a gasket member and a valve member including a plurality of fasteners and a plurality of engagement members corresponding to the fasteners. The fasteners and/or engagement members may be configured to guide the engagement members into engagement with the fasteners. For example, the fasteners may include U-shaped spring-biased clips, e.g., attached to a core or other portion of a sewing cuff of the gasket member, and the engagement members may include latches or barbed protrusions that engage one or more holes in the fasteners. During use, the gasket member is introduced into a tissue annulus, and secured to the annulus, e.g., using a plurality of clips directed through the sewing cuff. The valve member is then introduced into the annulus and the engagement members are snapped or otherwise guided into engagement with the fasteners to secure the valve member relative to the gasket member.
-
Citations
16 Claims
-
1. A prosthetic heart valve, comprising:
-
a gasket member comprising an annular ring advanceable into a tissue annulus, and a sewing cuff extending radially from the annular ring; a valve member comprising a frame carrying a plurality of valve elements; a plurality of engagement members extending from one of the gasket member and the valve member, the engagement members comprising tabs including tapered first edges and substantially blunt second edges; and a plurality of receptacles and a plurality of tapered channels on the other of the gasket member and the valve member, each receptacle disposed in a corresponding one of the tapered channels and comprising a pocket for receiving respective engagement members therein, each receptacle comprising one or more tapered surfaces for guiding a respective engagement member into the receptacle, the substantially blunt second edges preventing removal of the engagement members from the receptacles; wherein the engagement members and the receptacles are configured such that the receptacle deforms in response to the engagement member as the engagement member is inserted into the corresponding receptacle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
-
Specification