TRANSVALVULAR INTRAANNULAR BAND FOR AORTIC VALVE REPAIR
First Claim
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1. A transvalvular intraannular band, comprising:
- an elongate and arcuate body having a first end, a first anchoring portion located proximate the first end, a second end, a second anchoring portion located proximate the second end, and a central portion, the central portion displaced transversely from a plane which includes the first end and the second end;
wherein the first end and the second end are configured to be attached to the aortic valve annulus within the plane of the annulus and the central portion is configured to support the aortic valve leaflets at a point displaced toward the ventricle from the plane.
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Abstract
Aortic regurgitation can be treating by implanting in the aortic annulus a transvalvular intraannular band. The band has a first end, a first anchoring portion located proximate the first end, a second end, a second anchoring portion located proximate the second end, and a central portion. The central portion is positioned so that it extends transversely across a coaptive edge formed by the closure of the aortic valve leaflets. The band may be implanted via translumenal access or via thoracotomy.
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Citations
18 Claims
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1. A transvalvular intraannular band, comprising:
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an elongate and arcuate body having a first end, a first anchoring portion located proximate the first end, a second end, a second anchoring portion located proximate the second end, and a central portion, the central portion displaced transversely from a plane which includes the first end and the second end; wherein the first end and the second end are configured to be attached to the aortic valve annulus within the plane of the annulus and the central portion is configured to support the aortic valve leaflets at a point displaced toward the ventricle from the plane. - View Dependent Claims (2, 3, 4)
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5. A method of treating aortic regurgitation, the method comprising:
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implanting in the aortic annulus a transvalvular band comprising an elongate and arcuate body having a first end, a first anchoring portion located proximate the first end, a second end, and a central portion, the central portion displaced out of the plane containing the first end and the second end; and attaching the first anchoring portion to one portion of the aortic annulus. - View Dependent Claims (6, 7, 8)
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9. A method of treating an aortic valve, comprising the steps of:
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providing a transvalvular band having a convex side and a projection extending from the convex side; securing the band to a valve annulus such that the convex side extends across the plane of the annulus in the direction of the ventricle, and the projection extends in a downstream blood flow direction, so that a first leaflet closes against a first side of the projection and a second leaflet closes against a second side of the projection. - View Dependent Claims (10, 11)
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12. A method of moving aortic valve leaflet coaption to an earlier point in the cardiac cycle, comprising the steps of:
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providing an intraannular, transvalvular band dimensioned for attachment within the plane of the aortic valve annulus; attaching the band within the plane of the annulus such that a portion of the band extends into the ventricular side of the plane to support the leaflets and elevate the position of the coaptive edges in the direction of the ventricle during valve closure. - View Dependent Claims (13, 14)
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15. A method of treating aortic regurgitation, comprising:
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delivering a first tissue anchor to a first location along the wall of an aortic interleaflet triangle; delivering a second tissue anchor to a second location along the wall of the aortic interleaflet triangle, the second tissue anchor operably connected to the first tissue anchor; and reducing the distance from the first location to the second location to improve aortic leaflet coaptivity during diastole. - View Dependent Claims (16, 17, 18)
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Specification