Hydraulically actuated cardiac prosthesis with three-way ventricular valving
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United States of America Patent
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Jun 28, 1983
Grant Date -
N/A
app pub date -
Sep 15, 1981
filing date -
Sep 15, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cardiac prosthesis having a hydraulically actuated compressible blood pump. An actuation chamber adjacent the blood pump receives hydraulic actuation fluid from an actuator pump through a three-way ventricular dump valve to compress the blood pump during systole and eject blood therefrom. During diastole the actuation fluid is permitted to drain from the actuation chamber through the three-way valve into a reservoir. The valve includes inlet and outlet manifolds and synchronously movable valve members within each manifold for controlling the flow of actuation fluid into and out of the actuation chamber.
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