Matches 151 - 171 out of 171 < 1 2 3 4
Match Document Document Title
3911897 Heart assist device  
A heart assist device is controlled in a normal mode of operation to copulsate with the heart and produce a blood flow waveform corresponding to the flow waveform of the heart being assisted. A...
3911898 Heart assist method and device  
A heart assist device is controlled in a normal mode of operation to counterpulsate with the heart and produce a blood flow waveform corresponding to the flow waveform of the heart being assisted....
3877843 Pulsatile pumping system  
A portable pulsatile pumping system simulates the pumping mechanism of a human heart in pumping fluid for such applications as organ perfusion systems. The pumping system includes a regulated...
3857382 PIEZOELECTRIC HEART ASSIST APPARATUS  
An implantable piezoelectric heart assist apparatus generates pressure waves of approximately the same amplitude and frequency as the natural heart. The apparatus includes a brass support...
3791374 PROGRAMMER FOR SEGMENTED BALLOON PUMP  
A circuit for programming the inflation and deflation of a five segmented balloon pump as used in circulatory assist blood pump systems is disclosed. The rising and falling edges of wave pulses are...
3783453 SELF-REGULATING ARTIFICIAL HEART  
This invention describes a complete artificial heart system which is capable of providing complete self-regulative control of the pumping action of the heart. It comprises a right and left...
3750644 CARDIAC PROGRAMMER FOR A CORONARY BLOOD PUMP  
A programmer system is disclosed for driving a complementary coronary blood pump disposed at a non-thoracic location in delayed synchronism with the electrocardiogram waveform of a subject....
3698381 MONITORING SYSTEM FOR PHYSIOLOGICAL SUPPORT SYSTEMS  
A system for automatically monitoring and controlling the fluid load in physiological support systems. The system samples gas pressure at fixed periods and adds fluid or vents fluid from the system...
3527207 AUTOMATIC ROTATING TOURNIQUET CONTROL AND ALARM  
3491377 SELF-TRIGGERING STANDBY VENTRICLE FOR HEART ASSIST  
3465746 MONITOR FOR HEART PUMP APPARATUS  
3457909 HEART AUGMENTATION SYSTEM PROVIDED WITH MEANS FOR MEASURING INTRA-ARTERIAL PRESSURE  
3452738 HEART PUMP APPARATUS  
3452739 HEART PUMP SYNCHRONIZING APPARATUS  
3430624 DELAY TIME COMPUTER FOR HEART PUMP SYSTEM  
3428042 HEART PUMP ACTUATOR  
3426743 HEART PUMP AUGMENTATION SYSTEM  
3421497 HEART PUMP SYSTEM  
3410263 Blood-pumping apparatus provided with heart synchronizing means  
3208448 Artificial heart pump circulation system  
3099260 Heart pump apparatus  
Matches 151 - 171 out of 171 < 1 2 3 4