Multiple component prosthetic heart valve assemblies and methods for delivering them
First Claim
1. A method for implanting a heart valve assembly in a biological annulus, the method comprising:
- inserting a first prosthesis into the biological annulus with the first prosthesis in a contracted condition, the first prosthesis comprising a plurality of elongate leaders extending therefrom and secured to a delivery tool;
deploying the first prosthesis in the biological annulus such that the first prosthesis expands to an enlarged condition within the biological annulus;
securing the first prosthesis to tissue surrounding the biological annulus;
severing the leaders from the delivery tool;
advancing a second valve prosthesis along free ends of the leaders, which pass through respective portions of the second valve prosthesis; and
engaging the second valve prosthesis with the secured first prosthesis.
2 Assignments
0 Petitions
Accused Products
Abstract
Multiple component heart valves and apparatus and methods for implanting them are provided. The heart valve generally includes a first annular prosthesis and a second valve prosthesis. The first prosthesis includes an annular member compressible from a relaxed condition to a contracted condition to facilitate delivery into a biological annulus, the annular member being resiliently expandable towards the relaxed condition. The first prosthesis also includes guide rails extending therefrom. The second prosthesis includes an annular frame, valve elements, and receptacles for receiving respective guide rails therethrough when the second prosthesis is directed towards the first prosthesis. In addition, a valve holder may releasably carry the valve prosthesis that includes channels for receiving respective guide rails therethrough when the guide rails are received through the valve prosthesis. A delivery tool is also provided that includes an actuator for selectively compressing the annular member into the contracted condition.
-
Citations
17 Claims
-
1. A method for implanting a heart valve assembly in a biological annulus, the method comprising:
-
inserting a first prosthesis into the biological annulus with the first prosthesis in a contracted condition, the first prosthesis comprising a plurality of elongate leaders extending therefrom and secured to a delivery tool; deploying the first prosthesis in the biological annulus such that the first prosthesis expands to an enlarged condition within the biological annulus; securing the first prosthesis to tissue surrounding the biological annulus; severing the leaders from the delivery tool; advancing a second valve prosthesis along free ends of the leaders, which pass through respective portions of the second valve prosthesis; and engaging the second valve prosthesis with the secured first prosthesis. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A method for implanting a heart valve assembly in a biological annulus, the method comprising:
-
constraining a first annular prosthesis in a contracted condition, the first prosthesis comprising a plurality of elongate leaders extending therefrom and secured to a delivery tool; introducing the first prosthesis into the biological annulus in the contracted condition; deploying the first prosthesis within the biological annulus such that first prosthesis expands towards an enlarged condition; severing the leaders from the delivery tool; introducing a second prosthesis along free ends of the leaders, which pass through respective portions of a second valve prosthesis, and advancing the second prosthesis towards the first prosthesis into the biological annulus; and securing the second prosthesis to the deployed first prosthesis. - View Dependent Claims (7)
-
-
8. A method for implanting a heart valve assembly in a biological annulus, the method comprising:
-
introducing a first prosthesis into a biological annulus, the first prosthesis comprising a plurality of elongate leaders extending therefrom and secured to a delivery tool; severing the leaders from the delivery tool; passing free ends of the leaders through respective portions of a second prosthesis; and
directing the second prosthesis towards the introduced first prosthesis until portions of second prosthesis pass over connectors on the leaders. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17)
-
Specification