Sewing cuff assembly for heart valves
First Claim
Patent Images
1. A heart valve, comprising:
- (a) a valve body comprising a base having an outer periphery, said outer periphery comprising a groove, wherein the base of the valve body comprises a stiffening ring and the groove is at least partially in the stiffening ring; and
(b) a suture cuff assembly comprising at least one lock ring, a suture material coupled to the lock ring, and a filler material disposed inside at least a portion of the suture material, wherein the lock ring is positioned within the groove.
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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 suture 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
23 Claims
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1. A heart valve, comprising:
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(a) a valve body comprising a base having an outer periphery, said outer periphery comprising a groove, wherein the base of the valve body comprises a stiffening ring and the groove is at least partially in the stiffening ring; and
(b) a suture cuff assembly comprising at least one lock ring, a suture material coupled to the lock ring, and a filler material disposed inside at least a portion of the suture material, wherein the lock ring is positioned within the groove. - View Dependent Claims (2, 3, 4, 5)
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6. A heart valve, comprising:
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(a) a valve body comprising a base having an outer periphery, said outer periphery comprising a groove, wherein the valve body comprises a material selected from the group consisting of polyurethane, silicone and combinations thereof; and
(b) a suture cuff assembly comprising at least one lock ring and a suture material coupled to the lock ring, said lock ring is positioned within said groove.
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7. A heart valve, comprising:
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(a) a valve body comprising a flow orifice and a base comprising an outer periphery having a first radius, said outer periphery comprising a groove having a second radius less than said first radius; and
(b) a suture cuff assembly comprising;
(i) at least one lack ring having a third radius, said third radius being greater than said second radius and less than said first radius; and
(ii) a sewing cuff material disposed at least partially around and coupled to said at least one lock ring;
wherein the at least one lock ring is positioned within said groove.
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8. A heart valve, comprising:
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(a) a valve body, (b) a stent coupled to the valve body, wherein the stent comprises a lower portion comprising a groove; and
(c) a suture cuff assembly comprising;
(i) a, least one lock ring; and
(ii) a suture material disposed at least partially around and secured to the lock ring;
wherein said at least one lock ring is positioned within said groove. - View Dependent Claims (9, 10, 11)
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12. A heart valve, comprising:
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(a) a valve body having an outer circumferential rim;
(b) a suture cuff assembly comprising;
(i) at least one lock ring; and
(ii) a material disposed at least partially around and secured to the lock ring; and
(c) a stiffening ring coupled to the valve body and defining a lock ring receiving channel at least partially therein;
wherein stiffening ring comprises a portion of a stent coupled to the valve body. - View Dependent Claims (13, 14, 15, 16)
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17. A heart valve, comprising:
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(a) a valve body having an outer circumferential rim;
(b) a suture cuff assembly comprising;
(i) at least one lock ring; and
(ii) a suture material disposed at least partially around and secured to the lock ring; and
(c) a stiffening ring coupled to the valve body and defining a lock ring receiving channel at least partially therein;
wherein the stiffening ring is discontinuous around the perimeter of the valve body. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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Specification