Surgery – Truss – Pad
Patent
1981-05-19
1983-03-15
Frinks, Ronald L.
Surgery
Truss
Pad
128 1D, 417388, 417394, 417395, A61F 124, A61M 103
Patent
active
043763120
ABSTRACT:
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 a fluid inlet path to compress the blood pump during systole and eject blood therefrom. Between pulses the actuation fluid is permitted to drain from the actuation chamber through an outlet path into a reservoir. Discharge of fluid through the outlet path is controlled by a dump valve which is adapted to close or open the outlet path primarily in response to forces which vary as a function of the flow of actuation fluid through the fluid inlet path.
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Kitrilakis Sotiris
Martin, Jr. Thomas B.
Robinson Thomas C.
Foxcroft Associates
Frinks Ronald L.
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