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7591777 |
Sensorless flow estimation for implanted ventricle assist device
A method of estimating the blood flow rate of a heart ventricle assist device which is positioned externally of, or implanted in, a patient. The assist device comprises a blood pump having a...
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6100618 |
Rotary machine with an electromagnetic rotary drive
The rotary machine comprises a driven rotor and an electric motor having a stator and a driving rotor. The stator is also executed as an electromagnetic bearing for the driving rotor, and the...
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5269811 |
Primary fluid actuated, secondary fluid propelling system
A primary fluid actuated, secondary fluid propelling system, suitable for use, for example, as an implantable, artificial heart device, comprises a unidirectional pump for pumping...
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5135539 |
Quick-connect, totally implantable cardiac prosthesis with floating membranes and removable sensitive elements
This invention relates to an implantable cardiac prosthesis constituted by a quick-connect, one-piece module comprising two ventricular chambers, rendered biocompatible, independent and activated...
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4888011 |
Artificial heart
An artificial heart system employing left and right pumping chambers each divided by a membrane into a blood pumping chamber and a hydraulic pumping chamber and a hydraulic pumping system for...
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4369530 |
Hydraulically actuated cardiac prosthesis and method of actuation
A cardiac prosthesis having a hydraulically actuated compressible blood pump. An actuation chamber adjacent the blood pump receives pulses of hydraulic actuation fluid from an actuator pump through...
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3534409 |
IMPLANTABLE CIRCULATORY SUPPORT SYSTEM
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