Heart valve sealing devices
First Claim
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1. A prosthetic device for treating heart valve regurgitation comprising:
- a radially compressible and radially expandable body having a first end, a second end, and an outer surface extending from the first end to the second end; and
an anchor having a connection portion and a leaflet capture portion, wherein;
the connection portion is coupled to the body such that the leaflet capture portion is biased against the outer surface of the body when the body is in a radially expanded state;
the prosthetic device is configured to capture a leaflet of a native heart valve between the leaflet capture portion of the anchor and the outer surface of the body;
the body is configured to prevent blood from flowing through the body in a direction extending from the first end to the second end and in a direction extending from the second end to the first end;
the anchor and the body are configured to be anchored to only one of the native leaflets and can move with the captured leaflet toward and away from another native leaflet during a cardiac cycle.
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Abstract
This disclosure pertains generally to prosthetic devices and related methods for helping to seal native heart valves and prevent or reduce regurgitation therethrough, as well as devices and related methods for implanting such prosthetic devices. In some cases, a spacer having a single anchor can be implanted within a native heart valve. In some cases, a spacer having dual anchors can be implanted within a native heart valve. In some cases, devices can be used to extend the effective length of a native heart valve leaflet.
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Citations
11 Claims
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1. A prosthetic device for treating heart valve regurgitation comprising:
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a radially compressible and radially expandable body having a first end, a second end, and an outer surface extending from the first end to the second end; and an anchor having a connection portion and a leaflet capture portion, wherein; the connection portion is coupled to the body such that the leaflet capture portion is biased against the outer surface of the body when the body is in a radially expanded state; the prosthetic device is configured to capture a leaflet of a native heart valve between the leaflet capture portion of the anchor and the outer surface of the body; the body is configured to prevent blood from flowing through the body in a direction extending from the first end to the second end and in a direction extending from the second end to the first end; the anchor and the body are configured to be anchored to only one of the native leaflets and can move with the captured leaflet toward and away from another native leaflet during a cardiac cycle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A prosthetic device for treating heart valve regurgitation comprising:
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a radially compressible and radially expandable body having a first end, a second end, and an outer surface extending from the first end to the second end; and an anchor having a connection portion and a leaflet capture portion, wherein; the connection portion is coupled to the body such that the leaflet capture portion is biased against the outer surface of the body when the body is in a radially expanded state; the prosthetic device is configured to capture a leaflet of a native heart valve between the leaflet capture portion of the anchor and the outer surface of the body; the body is configured to prevent blood from flowing through the body in a direction extending from the first end to the second end and in a direction extending from the second end to the first end; the outer surface of the body comprises a first side against which the anchor is biased and a second side opposite the first side; and the connection portion of the anchor is coupled to the body on the second side of the body. - View Dependent Claims (10, 11)
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Specification