US Patent No: 6,875,230
Number of patents in Portfolio can not be more than 2000
Mechanical heart valve and production method thereof
Stats
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Apr 5, 2005
Issued date -
Apr 19, 2002
filing date -
10/111,244
serial no -
In Force
status
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Abstract
An artificial heart valve comprising a tubular base body having sinuse(s) of Valsalva and valve cusp(s) provided inside the base body, characterized in that the base body and the valve cusps comprise a bioabsorbable polymer material.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,364,127 Trileaflet type prosthetic heart valve | 57 | 1981 | |
| 4,728,328 Cuffed tubular organic prostheses | 252 | 1985 | |
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| 5,700,286 Polymer film for wrapping a stent structure | 521 | 1996 | |
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| 5,290,494 Process of making a resorbable implantation device | 92 | 1992 | |
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| 5,855,610 Engineering of strong, pliable tissues | 74 | 1995 | |
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| 5,011,494 Soft tissue implant with micron-scale surface texture to optimize anchorage | 54 | 1990 | |
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| 5,527,337 Bioabsorbable stent and method of making the same | 339 | 1994 | |
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| 6,364,905 Tri-composite, full root, stentless valve | 24 | 1999 | |
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| 4,916,193 Medical devices fabricated totally or in part from copolymers of recurring units derived from cyclic carbonates and lactides | 167 | 1988 | |
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| 4,510,628 Artificial heart valve made by vacuum forming technique | 12 | 1982 | |
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| 4,192,020 Heart valve prosthesis | 35 | 1977 | |
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| 5,139,515 Ascending aortic prosthesis | 34 | 1990 | |
| 5,545,215 External sigmoid valve complex frame and valved conduit supported by the same | 43 | 1994 | |
| 5,489,297 Bioprosthetic heart valve with absorbable stent | 93 | 1994 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 5, 2016 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| 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 |