[특허]Total artificial hearts and cardiac assist devices powered and controlled by reversible electrohydraulic energy converte

[미국특허] Total artificial hearts and cardiac assist devices powered and controlled by reversible electrohydraulic energy converte 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-001/24
출원번호	US-0858921 (1977-12-09)
발명자 / 주소	Jarvik Robert K. (Salt Lake City UT)
출원인 / 주소	University of Utah (Salt Lake City UT 02)
인용정보	피인용 횟수 : 43 인용 특허 : 0

초록 ▼

Total artificial hearts and circulatory assist devices, including left ventricular assist devices. The invention relates to electrohydraulic energy converter systems, whereby electric energy from a power source, which may be a battery or other source, is converted into hydraulic power capable of act

대표청구항 ▼

An electric-to-hydraulic energy conversion system to actuate and control a diaphragm, sac or axisymmetric blood pump for use in a total artificial heart or cardiac assist system comprising: a reversible hydraulic pump having stator, diffusor elements, and an impellor, and said pump having a high ratio of flow to impellor inertia, a reversible brushless DC motor having a high ratio of power to inertia, said motor having a rotor and stationary elements, a shaft to which both the impellor of the pump and the rotor of the motor are fixed, a housing supporting both said stator and diffusor elements of the pump and the stationary elements of the motor, bearings mounted in the housing supporting the assembly of shaft, motor rotor, and pump impellor for rotation, means for reversing said motor to alternately cause systolic and diastolic action of the artificial heart, and means for controlling said motor reversing means.

이 특허를 인용한 특허 (43) 인용/피인용 타임라인 분석

Richelsoph Marc (Box 489-B Nashville TN 37235), Artificial heart.
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Jarvik Robert (Salt Lake City UT), Artificial ventricle.
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Bedingham William ; Gonzalez Bernard A. ; Castro Gustavo H., Blood pump.
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Jarvik Robert, Cannula pumps for temporary cardiac support and methods of their application and use.
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Jarvik Robert, Cannula pumps for temporary cardiac support and methods of their application and use.
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Jaszczak, Ronald J.; Kirven, Paul Douglas; Perry, Timothy Warren, Cardiac phantom.
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Jarvik, Robert; Alesi, Daniel E.; Klinger, John F.; Geiste, Robert J.; Day, Steven R.; Payea, Keith; Hammerquist, Kenneth G.; Stern, Steven J.; Kaczynski, Francis X.; Howansky, Mark; Cashin, Deborah , Circulatory support system.
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Jarvik,Robert; Alesi,Daniel E.; Klinger,John F.; Geiste,Robert J.; Day,Steven R.; Payea,Keith; Hammerquist,Kenneth G.; Stern,Steven J.; Kaczynski,Francis X.; Howansky,Mark; Cashin,Deborah M., Circulatory support system.
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Hall Charles W. (San Antonio TX) Anderson Orin M. (San Antonio TX), Continuous rotation reversible pitch axial thrust heart pump.
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Vincent, Douglas; Murphy, Matthew J., Fluid pump.
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Vincent,Douglas; Murphy,Matthew J., Fluid pump.
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Summers David P. (Houston TX) Nixon Jeddy D. (Houston TX), Heart assist pump.
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Hwang Ned H. C. (Houston TX) Summers David P. (Montgomery TX), Helifoil pump.
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Wampler Richard K. (Rancho Cordova CA), High-capacity intravascular blood pump utilizing percutaneous access.
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Robinson Thomas C. (Berkeley CA) Kitrilakis Sotiris (Berkeley CA) Martin ; Jr. Thomas B. (Oakland CA), Hydraulically actuated cardiac prosthesis.
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Robinson Thomas C. (Berkeley CA) Kitrilakis Sotiris (Berkeley CA), Hydraulically actuated cardiac prosthesis and method of actuation.
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Robinson Thomas C. (Berkeley CA) Kitrilakis Sotiris (Berkeley CA), Hydraulically actuated cardiac prosthesis with three-way ventricular valving.
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Robinson Thomas C. (Berkeley CA) Kitrilakis Sotiris (Berkeley CA) Martin ; Jr. Thomas B. (Oakland CA), Hydraulically actuated cardiac prosthesis with three-way ventricular valving.
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Robinson, Thomas C.; Kitrilakis, Sotiris, Hydraulically actuated total cardiac prosthesis with reversible pump and three-way ventricular valving.
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Isaacson, Milton S., Hydrodynamic bearing system for a brushless DC motor.
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Rastegar, Jahangir S.; Soroff, Harry, Implantable counterpulsation cardiac assist device.
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Rastegar, Jahangir S.; Soroff, Harry, Implantable counterpulsation cardiac assist device.
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Rastegar,Jahangir S.; Soroff,Harry, Implantable counterpulsation cardiac assist device.
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Bugge, Mogens; Palmers, Goran, Implantable device for utilization of the hydraulic energy of the heart.
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Bugge, Mogens; Palmers, Goran, Implantable device for utilization of the hydraulic energy of the heart.
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Jarvik Robert K. (124 W. 60th St. New York NY 10023), Intraventricular artificial hearts and methods of their surgical implantation and use.
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Coty Alain,FRX ; Favreul Emmanuel,FRX ; L'Homme Michel,FRX ; Peretti Giovani,ITX ; Palay Dror, Long bone elongation device.
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Bramm Gunter W. (Luisen Strasse 49 8000 Munchen 2 UT DEX) Olsen Don B. (8832 Blue Jay La. Salt Lake City UT 84121), Magnetically suspended and rotated rotor.
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Gauthier,Raymond G.; Lancisi,David M.; Morris,Gregory L., Method and apparatus for controlling brushless DC motors in implantable medical devices.
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Gauthier,Raymond G.; Lancisi,David M.; Morris,Gregory L., Method and apparatus for controlling brushless DC motors in implantable medical devices.
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Lancisi David M. ; Gauthier Raymond G. ; Wampler Richard K., Power system for an implantable heart pump.
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Lancisi, David M.; Gauthier, Raymond G.; Wampler, Richard K., Power system for an implantable heart pump.
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Jarvik Robert K. (124 W. 60th St. New York NY 10023), Prosthetic compliance devices.
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Benkowski Robert J. ; Kiris Cetin ; Kwak Dochan ; Rosenbaum Bernard J. ; Bacak James W. ; DeBakey Michael E., Rotary blood pump.
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Affeld, Klaus; Mohnhaupt, Axel; Jorn, Frank, Safety control valve for an artificial heart.
상세보기
Veragen Ren (Chatou FRX), Sequential pneumatic control device, supplied with electric energy.
상세보기
Aboul Hosn,Walid Najib, Single port cardiac support apparatus.
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Aboul-Hosn Walid N., Single port cardiac support apparatus.
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Aboul-Hosn, Walid Najib, Single port cardiac support apparatus.
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Buck Keith Evan (Alamo CA) Farrar David John (Richmond CA) Harvey Robert Joseph (Stanford CA) Litwak Philip (Novato CA) Rueff John Robert (Concord CA), Step-down skeletal muscle energy conversion system.
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Buck Keith Evan ; Farrar David John ; Harvey Robert Joseph ; Litwak Philip ; Rueff John Robert, Step-down skeletal muscle energy conversion system.
상세보기
Aboul-Hosn, Walid N, Transport pump and organ stabilization apparatus including related methods.
상세보기
Ayre, Peter Joseph; Glanzmann, Lee Thomas; Von Huben, Nicholas Oliver, Tuning DC brushless motors.
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[미국특허] Total artificial hearts and cardiac assist devices powered and controlled by reversible electrohydraulic energy converte 원문보기