Prosthetic mitral valve and delivery method
First Claim
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1. A method of treating a mitral valve disorder in a patient'"'"'s heart, comprising:
- a) inserting a delivery device into the left ventricle of the heart;
b) advancing a mitral valve prosthesis via the delivery device into the left ventricle of the heart, wherein the mitral valve prosthesis comprises;
1) an expandable inflow region formed of a plurality of cells and configured to expand within and support against the walls of the left atrium, wherein the expandable inflow region has a cross-sectional diameter larger than the annulus of the native mitral valve;
2) an expandable outflow region formed of a plurality of cells and configured to expand within and support against the native mitral valve annulus, wherein the expandable outflow region comprises;
at least one anchor attachment point; and
3) a prosthetic valve;
c) advancing the delivery device into the native mitral valve;
d) attaching the mitral valve prosthesis to the heart via at least one anchor that is attached to the at least one anchor attachment point, wherein the at least one anchor is attached to the heart via an anchoring element, the anchoring element including a lock having a first position that permits adjustment of tension in the anchor and a second position that locks the at least one anchor at a desired tension, wherein the anchoring element is a clip and wherein the lock of the anchoring element is comprised of opposing jaw portions of the clip; and
e) adjusting tension on the anchor to prevent PVL.
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Abstract
A valve prosthesis and methods for implanting the prosthesis are provided. The prosthesis generally includes a self-expanding frame and two or more engagement arms. A valve prosthesis is sutured to the self-expanding frame. Each engagement arm corresponds to a native mitral valve leaflet. At least one engagement arm immobilizes the native leaflets, and holds the native leaflets close to the main frame. The prosthetic mitral valve frame also includes two or more anchor attachment points. Each anchor attachment point is attached to one or more anchors that help attach the valve prosthesis to the heart.
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Citations
14 Claims
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1. A method of treating a mitral valve disorder in a patient'"'"'s heart, comprising:
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a) inserting a delivery device into the left ventricle of the heart; b) advancing a mitral valve prosthesis via the delivery device into the left ventricle of the heart, wherein the mitral valve prosthesis comprises; 1) an expandable inflow region formed of a plurality of cells and configured to expand within and support against the walls of the left atrium, wherein the expandable inflow region has a cross-sectional diameter larger than the annulus of the native mitral valve; 2) an expandable outflow region formed of a plurality of cells and configured to expand within and support against the native mitral valve annulus, wherein the expandable outflow region comprises; at least one anchor attachment point; and 3) a prosthetic valve; c) advancing the delivery device into the native mitral valve; d) attaching the mitral valve prosthesis to the heart via at least one anchor that is attached to the at least one anchor attachment point, wherein the at least one anchor is attached to the heart via an anchoring element, the anchoring element including a lock having a first position that permits adjustment of tension in the anchor and a second position that locks the at least one anchor at a desired tension, wherein the anchoring element is a clip and wherein the lock of the anchoring element is comprised of opposing jaw portions of the clip; and e) adjusting tension on the anchor to prevent PVL. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification