US Patent No: 6,875,230

Number of patents in Portfolio can not be more than 2000

Mechanical heart valve and production method thereof

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Importance

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Abstract

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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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Patent Owner(s)

Patent OwnerAddressTotal Patents
GUNZE LIMITEDKYOTO118
TOKYO WOMEN'S MEDICAL UNIVERSITYTOKYO8

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirata, Shigeyuki Moriyama, JP 2 70
Imai, Yasuharu Yuuki-gun, JP 31 87
Morita, Shinichiro Ayabe, JP 8 85
Nakamura, Saburo Ayabe, JP 11 130
Shin'oka, Toshiharu Tokyo, JP 3 49

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Research Corporation (2)
4,364,127 Trileaflet type prosthetic heart valve 58 1981
4,728,328 Cuffed tubular organic prostheses 280 1985
 
ADVANCED CARDIOVASCULAR SYSTEMS, INC. (1)
5,700,286 Polymer film for wrapping a stent structure 613 1996
 
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM (1)
5,290,494 Process of making a resorbable implantation device 118 1992
 
CHILDREN'S MEDICAL CENTER CORPORATION (1)
5,855,610 Engineering of strong, pliable tissues 87 1995
 
CLEMSON UNIVERSITY (1)
5,011,494 Soft tissue implant with micron-scale surface texture to optimize anchorage 68 1990
 
DUKE UNIVERSITY (1)
5,527,337 Bioabsorbable stent and method of making the same 398 1994
 
SULZER CARBOMEDICS INC. (1)
6,364,905 Tri-composite, full root, stentless valve 32 1999
 
United States Surgical Corporation (1)
4,916,193 Medical devices fabricated totally or in part from copolymers of recurring units derived from cyclic carbonates and lactides 182 1988
 
UNIVERSITY OF UTAH (1)
4,510,628 Artificial heart valve made by vacuum forming technique 12 1982
 
UNIVERSITY OF WASHINGTON (1)
4,192,020 Heart valve prosthesis 38 1977
 
Other [Check patent profile for assignment information] (3)
5,139,515 Ascending aortic prosthesis 45 1990
5,545,215 External sigmoid valve complex frame and valved conduit supported by the same 56 1994
5,489,297 Bioprosthetic heart valve with absorbable stent 142 1994

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
BOSTON SCIENTIFIC SCIMED, INC. (28)
7,416,557 Venous valve apparatus and method 7 2003
8,128,681 Venous valve apparatus, system, and method 0 2003
7,854,761 Methods for venous valve replacement with a catheter 0 2003
7,566,343 Cardiac valve, system, and method 7 2004
7,267,686 Implantable prosthetic valve 56 2004
7,854,755 Vascular catheter, system, and method 0 2005
7,878,966 Ventricular assist and support device 0 2005
7,780,722 Venous valve apparatus, system, and method 1 2005
7,670,368 Venous valve apparatus, system, and method 4 2005
7,244,242 Valve treatment catheter and methods 9 2005
7,722,666 Valve apparatus, system and method 28 2005
8,012,198 Venous valve, system, and method 1 2005
7,569,071 Venous valve, system, and method with sinus pocket 20 2005
7,799,038 Translumenal apparatus, system, and method 4 2006
7,776,053 Implantable valve system 0 2006
7,780,627 Valve treatment catheter and methods 0 2007
8,828,079 Circulatory valve, system and method 0 2007
7,892,276 Valve with delayed leaflet deployment 0 2007
7,967,853 Percutaneous valve, system and method 7 2008
8,002,824 Cardiac valve, system, and method 0 2009
7,951,189 Venous valve, system, and method with sinus pocket 1 2009
8,512,399 Valve apparatus, system and method 1 2009
8,137,394 Valve with delayed leaflet deployment 0 2011
8,460,365 Venous valve, system, and method with sinus pocket 0 2011
8,470,023 Percutaneous valve, system, and method 5 2011
8,721,717 Venous valve apparatus, system, and method 0 2012
8,414,641 Valve with delayed leaflet deployment 0 2012
8,672,997 Valve with sinus 0 2012
 
ATRIUM MEDICAL CORPORATION (10)
8,858,978 Heat cured gel and method of making 0 2005
8,795,703 Stand-alone film and methods for making the same 0 2005
8,263,102 Drug delivery coating for use with a stent 8 2005
8,367,099 Perforated fatty acid films 5 2006
8,124,127 Hydrophobic cross-linked gels for bioabsorbable drug carrier coatings 9 2006
8,574,627 Coated surgical mesh 0 2007
8,312,836 Method and apparatus for application of a fresh coating on a medical device 7 2008
8,501,229 Hydrophobic cross-linked gels for bioabsorbable drug carrier coatings 3 2012
8,722,077 Drug delivery coating for use with a stent 2 2012
8,574,618 Perforated bioabsorbable oil film and methods for making the same 0 2012
 
CALIFORNIA INSTITUTE OF TECHNOLOGY (2)
8,133,270 In-situ formation of a valve 1 2008
8,348,999 In-situ formation of a valve 2 2012
 
MAQUET CARDIOVASCULAR LLC (2)
8,388,679 Single continuous piece prosthetic tubular aortic conduit and method for manufacturing the same 0 2010
8,696,741 Woven prosthesis and method for manufacturing the same 0 2010
 
UNIVERSITY OF SOUTH FLORIDA (2)
RE44050 Vascular prosthesis 0 2004
7,431,733 Vascular prosthesis 2 2004
 
BOSTON SCIENTIFIC CORPORATION (1)
7,682,385 Artificial valve 0 2006
 
Q3 MEDICAL DEVICES LIMITED (1)
8,398,705 Stent 1 2011
 
Other [Check patent profile for assignment information] (3)
7,156,872 Implantable valve system 14 2003
7,320,705 Bicuspid pulmonary heart valve and method for making same 1 2005
7,862,610 Bicuspid vascular valve and methods for making and implanting same 0 2007

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