Gasket with spring collar for prosthetic heart valves and methods for making and using them
First Claim
1. A prosthesis for receiving a prosthetic valve to replace a preexisting natural or prosthetic heart valve within a biological annulus adjacent a sinus cavity, comprising:
- an annular member implantable within a biological annulus for dilating tissue surrounding the biological annulus;
a collar disposed above the annular member, the collar comprising one or more connectors for securing a prosthetic valve to the collar, anda spring structure coupling the collar to the annular member such that collar is movable relative to the annular member, the spring structure comprising a helical member including a first end coupled to the collar and a second end coupled to the annular member.
2 Assignments
0 Petitions
Accused Products
Abstract
A heart valve prostheses includes an annular member implantable within a biological annulus, a collar extending upwardly from the annular member, and a sewing ring extending from the annular member. A spring structure couples the collar to the annular member and biases the collar to align with the annular member at a predetermined distance above the annular member. During use, the prosthesis is introduced into a biological annulus, and fasteners are directed through the sewing ring into surrounding tissue to secure the prosthesis with the annular member within the biological annulus. A mechanical or bioprosthetic valve is introduced and coupled to the collar, e.g., using tabs or other connectors on the collar. The spring structure allows the collar to be directed towards the annular member and/or folded inwardly, e.g., to facilitate accessing the sewing ring to deliver fasteners.
751 Citations
25 Claims
-
1. A prosthesis for receiving a prosthetic valve to replace a preexisting natural or prosthetic heart valve within a biological annulus adjacent a sinus cavity, comprising:
-
an annular member implantable within a biological annulus for dilating tissue surrounding the biological annulus; a collar disposed above the annular member, the collar comprising one or more connectors for securing a prosthetic valve to the collar, and a spring structure coupling the collar to the annular member such that collar is movable relative to the annular member, the spring structure comprising a helical member including a first end coupled to the collar and a second end coupled to the annular member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 25)
-
-
12. A heart valve assembly, comprising:
-
an annular prosthesis implantable within a biological annulus, the annular prosthesis comprising an annular member for delivery into the biological annulus, a sewing ring extending radially outwardly from the annular member, and a collar disposed above the annular member and coupled to the annular member by a spring structure, the collar comprising an annular band coupled to the spring structure; and a prosthetic valve comprising a frame securable to the collar. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
-
Specification