Stented bioprosthetic heart valve
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United States of America Patent
Stats
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Feb 26, 2002
Issued Date -
N/A
app pub date -
Dec 11, 1995
filing date -
Apr 22, 1994
priority date (Note) -
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Abstract
A supported bioprosthetic heart valve is provided. The valve includes a stent and a bilogical valve member. The stent has an annular frame defined by a support rail. The support rail is formed to define a triad of axially-projecting circumferentially-spaced commissure posts, each post having an inverted U-shaped configuration and a pair of legs. Each of the pair of legs has an upper end and a lower end. The lower end of each leg merges smoothly with the lower end of a leg of an adjacent commissure post. A sleeve having an inflow end and an outflow end is fitted around the annular frame. The biological valve member is defined by a tubular wall and three leaflets, the three leaflets being attached to the tubular wall and axially converging along three commissures. The biological valve member has a shape which fits the contour of the support rail and is disposed under the support rail. The biological valve member is sutured to the support rail and the outflow end of the sleeve. The bioprosthetic valve member also includes a suturing cuff which is not rigidly attached to the support rail allowing the valve to expand and contract in the lateral direction. The suturing cuff is formed by wrapping the inflow end of the sleeve around a ring-shaped cushion and suturing the sleeve to itself encapsulating thus the ring-shaped cushion. An inflow support ring may also be provided within the suturing cuff for added lateral support.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- MEDTRONIC, INC.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Eberhardt, Carol E | Fullerton, CA | 47 | 5138 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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