Sewing cuff assembly for heart valves
First Claim
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1. A heart valve, comprising:
- (a) a valve body having an outer circumferential portion having at least two radially outwardly extending members;
(b) a sewing cuff assembly comprising;
(i) at least one outer ring, the outer ring including at least two formations for receiving the at least two members of the valve body; and
(ii) a material disposed at least partially around and secured to the outer ring.
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Abstract
The present invention provides a prosthetic valve and a sewing cuff assembly for attaching the prosthetic valve in a patient'"'"'s heart. The sewing cuff generally includes at least one lock ring and sewing cuff material disposed at least partially around the lock ring. The valve body includes a peripheral groove for receiving the lock ring therein and securing the lock ring thereto. A stiffening ring may be coupled to the peripheral groove or otherwise provided on the valve body.
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Citations
19 Claims
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1. A heart valve, comprising:
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(a) a valve body having an outer circumferential portion having at least two radially outwardly extending members;
(b) a sewing cuff assembly comprising;
(i) at least one outer ring, the outer ring including at least two formations for receiving the at least two members of the valve body; and
(ii) a material disposed at least partially around and secured to the outer ring. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of assembling a heart valve assembly, the method comprising:
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(a) sewing an outer ring having formations formed in a wall thereof in a sewing cuff;
(b) aligning the formations of the outer ring with mating members formed on the valve; and
(c) fitting the outer ring over the valve whereby the mating members are retained in the formations, thereby retaining the sewing cuff fabric between the outer ring and the valve.
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19. A heart valve, comprising:
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(a) a valve body comprising a flow orifice and an outer periphery and at least two apertures within the outer periphery;
(b) a sewing cuff assembly comprising;
(i) an outer ring with at least two members extending radially inward therefrom for engaging the at least two apertures of the valve body; and
(ii) a material disposed at least partially around and coupled to an outer ring.
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Specification