Matches 551 - 598 out of 598 < 1 2 3 4 5 6 7 8 9 10 11 12
Match Document Document Title
3995617 Heart assist method and catheter  
Method and device for augmenting the action of an ailing heart having an incompetent aortic valve or incompetent left ventricle wherein blood is directly sucked from the left ventricle, while...
3966358 Pump assembly  
A pump assembly is disclosed which includes a pump which is externally controlled to vary with time the volume and/or the pressure of fluid pumped therethrough. A memory unit is programmed to...
3963380 Micro pump powered by piezoelectric disk benders  
The pump has a piezoelectric variable volume chamber and a solenoid controlled valve operated in sequence to pump small volumes of liquid. The sequence is produced by developing a phase difference...
3955557 Blood pump for use in an artificial heart or such purpose  
This invention relates to a blood pump for use in an artificial heart including an inlet pump system and an output pump system in series with each pump including branch tubes communicating with...
3949734 Fluid pump control system  
The system coordinates the speed of a blood pump, in an extracorporeal blood circuit for a patient, with the blood flow from the patient to pass the blood through a treatment device such as an...
3855995 VENTRICLE ASSEMBLY FOR PULSATILE-TYPE PUMP  
A pulsatile blood pumping assembly having a diaphragm reciprocable in a chamber that receives a disposable ventricle assembly having an inlet fitting that communicates with an elongated leaflet...
3843974 INTIMAL LINING AND PUMP WITH VERTICALLY DRAFTED WEBS  
An intimal lining and a circulatory assist device comprising a pump means with associated inlet and outlet valves and means for connecting said pump to a human arterial blood supply containing at...
3837922 IMPLANTABLE FUEL CELL  
An implantable fuel cell power source for an artificial heart or pacemaker device which utilizes blood carbohydrates as the anode fuel. The cathode of the implantable fuel cell is an oxygen...
3827828 FLUID PUMP CONTROL SYSTEM  
This device controls the amount of blood flow in an extracorporeal blood circuit of a patient requiring long term profusion to prevent the excessive blood damage as is likely to occur in the usual...
3827426 PROSTHETIC PUMP  
A pump particularly suited for use as a prosthetic device in a biological system to replace a pumping component of said system; a novel electro-mechanical transducer; a method for providing a...
3818934 DAMPENING UNIT FOR PULSATILE PUMP  
A dampening unit is provided for use in combination with a pulsatile pump, a unit which requires pulsatile flow of fluid, and a unit which requires substantially non-pulsatile flow. The dampening...
3758237 DEVICE FOR PRODUCING A PULSATING FLOW OF A FLUID  
Device for producing a pulsating flow of a fluid. The device comprises a vessel receiving the fluid and an inflatable bag within the vessel. The interior of the bag is connected to means for...
3599244 DYNAMIC ACTION VALVELESS ARTIFICIAL HEART UTILIZING DUAL FLUID OSCILLATOR  
An artificial heart intended for supplementing or temporarily replacing the natural heart for circulating blood through the body. The heart relies on the dynamic flow properties of the blood for...
3597766 ARTIFICIAL HEART PUMPING SYSTEM POWERED BY A MODIFIED STIRLING CYCLE ENGINE-COMPRESSOR HAVING A FREELY RECIPROCABLE DISPLACER PISTON  
A modified Stirling cycle engine operable as a compressor and having its displacer piston directly connected to a reversing piston to which high and low pressures are alternately applied at...
3572979 PUMPS  
In a blood pump a fluid pressure circuit is provided which is operative to feed a variable frequency pulsating flow of water to one side of a flexible diaphragm. The other side of the flexible...
3534409 IMPLANTABLE CIRCULATORY SUPPORT SYSTEM  
3518033 EXTRACORPOREAL HEART  
3487784 PUMPS CAPABLE OF USE AS HEART PUMPS  
3456444 ACTUATING UNIT FOR CIRCULATORY ASSIST SYSTEMS  
3449767 ARTIFICIAL HEART REGULATING SYSTEM  
3433983 ELECTROMAGNETIC ACTUATOR  
3429266 PERISTALTIC PUMPING SYSTEM  
3403673 Means and method for stimulating arterial and venous blood flow  
3376660 Circulatory system simulator  
3361067 Piezoelectric pump  
3358690 Heart stimulator utilizing a pressuresensitive semiconductor  
3306221 Magnet drive plastic pump  
3303841 Process and apparatus for pressurizing lower extremities of a patient during ventricular diastole  
3139832 Centrifugal enclosed inert pump  
3073246 Pump  
3048165 Pump for an artificial heart  
3046903 Artificial blood circulation apparatus  
3021793 Fluid pump  
3020846 Blood pump  
3017885 Blood flow meter  
3007416 Pump for cellular fluid such as blood and the like  
2930324 Magnetic pump  
2888877 Apparatus for pumping  
2876769 Apparatus for oxygenating, centrifuging and changing the temperature of blood  
2812716 Pumping device  
2810347 Fluid pump  
2790095 Device for converting rotary motion into reciprocating motion or conversely  
2669668 Magnetically driven centrifugal pump  
2308974 Positive displacement pump  
7361191 Title is not available  
3585648 Title is not available  
3568214 Title is not available  
1061142 Title is not available  
Matches 551 - 598 out of 598 < 1 2 3 4 5 6 7 8 9 10 11 12