Valve Retention Supplemented with a Wire Hoop
AssigneeCephea Valve Technologies, Inc.
InventorDaniel T. Wallace
Life of this patent
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Abstract
The present disclosure provides systems and methods for a replacement mitral valve. The replacement valve may be made of a less rigid material thereby allowing the packed diameter of the replacement valve to be decreased. The less rigid replacement mitral valve may include a ventricular portion and a central portion. The ventricular portion may include a guide channel. A wire may be advanced into the guide channel. The wire in the guide channel may increase the stiffness on the ventricular side of the replacement valve. The increased stiffness may prevent the replacement valve from collapsing through a native valve annulus.
Claims20
A replacement cardiac valve, comprising:
- a ventricular portion having a first stiffness, the ventricular portion configured to expand from a collapsed configuration to an expanded configuration, the ventricular portion having a channel extending substantially around a circumference of the ventricular portion;
- and
- a wire configured to be advanced into the channel to increase the first stiffness to a second stiffness.
A method of delivering a replacement cardiac valve having a collapsed configuration within a delivery device, the method comprising:
- delivering a ventricular portion having a first stiffness from the collapsed configuration in the delivery device to a first heart chamber on a first side of a mitral valve annulus, wherein the ventricular portion expands to an expanded configuration on the first side of the mitral valve annulus, the ventricular portion having a channel wrapping substantially around a circumference of the ventricular portion;
- and
- advancing a wire into the channel of the ventricular portion, wherein the ventricular portion including the wire in the channel has a second stiffness that is increased relative to the first stiffness.
Dependencies are inferred from the claim text.