IMPLANTABLE CARDIAC PROSTHESIS Russian patent published in 2003 - IPC

FIELD: medical engineering. SUBSTANCE: device has implementing the right and the left pumps for pumping blood. The pumps have flexible membranes with pushers designed as bellows enclosed in single casing. The prosthesis has hydraulic pump of slide valve type mounted between the flexible membranes in working fluid filling the casing. The pump has even number of hydraulic cylinders coupled with the pushers to enable one to push the working fluid via pipes from one hydraulic cylinder cavity to another one. Fluid flows are distributed with slide valves of trigger type. One slide valves is available for two hydraulic cylinders. EFFECT: provided stable hemodynamic characteristics. 3 dwg