US Patent No: 4,222,126

Number of patents in Portfolio can not be more than 2000

Unitized three leaflet heart valve

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Abstract

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A polyurethane heart valve has a semirigid frame composed of a base ring and three struts, and an elastomeric membrane integral and unitary with the frame, the contours of which make up three leaflets of the valve. The leading edges of the leaflets which form the commissure line are reinforced with a narrow elastomer band. The leaflets are further reinforced by radiating lines projected from the frame into the leaflet and which simulate collagen formation in natural leaflets. In addition, the transition between the frame and the leaflets is tapered.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE DEPARTMENT OF HEALTH, EDUCATION & WELFAREWASHINGTON, DC4

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boretos, John W Rockville, MD 5 577
Iriguchi, Norio J-Kanagawa, JP 7 582

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Patent Info (Count) # Cites Year
 
APPLIED MEDICAL RESOURCES CORPORATION (43)
5,443,452 Seal assembly for access device 127 1993
5,496,280 Trocar valve assembly 168 1994
5,803,919 Trocar valve assembly 109 1994
5,709,664 Trocar valve assembly 134 1996
7,650,887 Wound retractor 41 2003
7,163,510 Surgical instrument access device 65 2003
7,238,154 Wound retraction apparatus and method 54 2005
7,481,765 Surgical access apparatus and method 35 2005
7,951,076 Surgical access system 8 2005
7,909,760 Split hoop wound retractor with gel pad 29 2006
7,815,567 Split hoop wound retractor 31 2006
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7,727,146 Wound retractor with gel cap 34 2006
7,704,207 Circular surgical retractor 34 2006
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8,262,568 Single port access system 0 2009
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7,883,461 Wound retractor with gel cap 15 2010
7,878,974 Hand access laparoscopic device 23 2010
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8,070,676 Surgical access apparatus and method 3 2010
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8,414,487 Circular surgical retractor 2 2011
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8,784,480 Expandable member for deploying a prosthetic device 0 2013
 
MEDTRONIC, INC. (28)
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8,652,204 Transcatheter valve with torsion spring fixation and related systems and methods 0 2010
8,673,000 Stents for prosthetic heart valves 0 2011
8,613,765 Prosthetic heart valve systems 0 2011
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SADRA MEDICAL, INC. (17)
8,603,160 Method of using a retrievable heart valve anchor with a sheath 0 2003
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8,343,213 Leaflet engagement elements and methods for use thereof 0 2004
8,062,357 Methods and apparatus for endovascular heart valve replacement comprising tissue grasping elements 0 2005
8,052,749 Methods and apparatus for endovascular heart valve replacement comprising tissue grasping elements 0 2005
8,579,962 Methods and apparatus for performing valvuloplasty 0 2005
8,075,614 Methods and apparatus for endovascularly replacing a patient's heart valve 0 2007
8,252,052 Methods and apparatus for endovascularly replacing a patient's heart valve 0 2008
8,231,670 Repositionable heart valve and method 0 2008
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MEDTRONIC COREVALVE LLC (11)
7,914,569 Heart valve prosthesis and methods of manufacture and use 22 2005
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8,647,392 Articulable anchor 0 2012
 
MEDTRONIC VENTOR TECHNOLOGIES LTD. (10)
8,414,643 Sinus-engaging valve fixation member 3 2007
8,348,995 Axial-force fixation member for valve 3 2007
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COOK MEDICAL TECHNOLOGIES LLC (7)
7,955,375 Prosthetic valve with spacing member 0 2005
8,216,299 Method to retract a body vessel wall with remodelable material 1 2005
7,637,937 Implantable medical device with optimized shape 2 2005
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8,235,946 Haemostatic valve 0 2008
7,846,199 Remodelable prosthetic valve 1 2008
8,317,853 Prosthetic valve with external support frame 0 2011
 
PERCUTANEOUS VALVE TECHNOLOGIES (6)
7,846,203 Implanting a stent valve prosthesis at the native aortic valve 26 2002
7,585,321 Methods of implanting a prosthetic heart valve within a native heart valve 62 2005
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7,846,204 Aortic valve prosthesis having natural tissue and an internal cover 38 2007
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SORIN GROUP ITALIA S.R.L. (6)
8,109,996 Minimally-invasive cardiac-valve prosthesis 2 2005
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8,685,084 Prosthetic vascular conduit and assembly method 0 2012
 
3F THERAPEUTICS, INC. (5)
6,673,109 Replacement atrioventricular heart valve 175 2001
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ABPS VENTURE ONE, LTD. (5)
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EDWARDS LIFESCIENCES PVT, INC. (5)
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ADIAM LIFE SCIENCE AG (4)
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AORTECH INTERNATIONAL PLC (4)
7,682,389 Cardiac valve featuring a parabolic function 0 2004
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COREVALVE, S.A. (4)
7,252,682 Kit enabling a prosthetic valve to be placed in a body enabling a prosthetic valve to be put into place in a duct in the body 130 2002
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OREGON HEALTH & SCIENCE UNIVERSITY (4)
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COLIBRI HEART VALVE LLC (3)
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GENICON, LC (3)
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MEDTRONIC ATS MEDICAL INC. (2)
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Medtronic Corevalve, Inc. (2)
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ST. JUDE MEDICAL, INC. (2)
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SULZER CARBOMEDICS INC. (2)
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UNIVERSITY OF UTAH (2)
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ABIOMED, INC. (1)
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ABPS Venture One, Ltd. (1)
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Advanced Bio Prosthetic Surface, Ltd., a wholly owned subsidiary of Palmaz Scientific, Inc. (1)
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MERCK SHARP & DOHME CORP. (1)
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Pulmonx Corporation (1)
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STICHTING VOOR DE TECHNISCHE WETENSCHAPPEN (1)
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THE FOUNDRY (1)
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The Gillette Company (1)
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The Procter & Gamble Company (1)
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UNIVERSITY OF WASHINGTON (1)
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Other [Check patent profile for assignment information] (6)
4,340,977 Catenary mitral valve replacement 23 1980
4,759,759 Bubble heart valve 31 1983
5,503,186 One-way valve panel 4 1994
5,508,699 Identifier/locator device for visually impaired 59 1994
6,338,735 Methods for removing embolic material in blood flowing through a patient's ascending aorta 146 1996
8,808,369 Minimally invasive aortic valve replacement 0 2010