Apparatus for driving blood pump

Details Apparatus for driving blood pump Apparatus for driving blood pump

1990-01-23

1992-03-31

Howell, Kyle L.

Surgery

Cardiac augmentation

With condition responsive means

600 16, 623 3, A61M 110

Patent

active

051003740

ABSTRACT:
An apparatus for driving a blood pump such as an artificial heart. The apparatus comprises a first pressure pulse generator, a second pressure pulse generator, a pressure detector for detecting the pressure produced by the first pressure pulse generator, a flow sensor for detecting the flow rate of blood passing through the pump, a selector device, and an electrical control unit. Normally, the first pressure generator is connected with the blood pump via the selector device. When the flow rate detected by the flow sensor decreases and the pressure detected by the pressure detector gets out of a normal range of pressures, the electrical control unit causes the selector device to disconnect the first pressure pulse generator from the blood pump and to connect the second pressure pulse generator with the blood pump.

REFERENCES:
patent: 4546760 (1985-10-01), Suzuki et al.
patent: 4662355 (1987-05-01), Pieronne et al.
patent: 4778445 (1988-10-01), Hubbard et al.

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