Blood pump

Details Blood pump Blood pump

1990-12-05

1992-03-03

Isabella, David J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Corporeal artificial heart, heart assist , control...

A61F 222

Patent

active

050928783

ABSTRACT:
A blood pump with a blood chamber including inlet and outlet ports, said blood chamber being actuated to repeat the cycle consisting of suction and ejection, comprising as driving means an ultrasonic motor capable of converting high frequency wave vibration into rotation by the action of a piezoelectric element provided therein and outputting said rotation.

REFERENCES:
patent: 4277706 (1981-07-01), Isaacson
patent: 4504760 (1985-03-01), Yamamoto et al.
patent: 4658172 (1987-04-01), Izukawa
patent: 4725207 (1988-02-01), Buchwald et al.
patent: 4731076 (1988-03-01), Noon et al.
patent: 4743792 (1988-05-01), Ueyama
Williams, M. J. et al., "The Design of a Piezoelectric Heart Assist Device", IEEE Trans. Biomed. Eng., vol. BME-22, No. 1, Jan. 1975.

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