Micro miniature implantable pump

Details Micro miniature implantable pump Micro miniature implantable pump

1988-01-19

1990-03-27

Smith, Leonard E.

Pumps

Motor driven

Electric or magnetic motor

417410, F04B 1700

Patent

active

049116169

ABSTRACT:
A microminiature pump for use in the eye or other location in the human body. The pump is fabricated from crystalline silicon using semiconductor fabrication techniques such as impurity diffusion and anisotropic etching. The pump utilizes a thin, etched, diaphragm which is actuated with electromagnetic or electrostatic forces, to provide the pumping action. Diaphragm or ball check valves at the inlet and outlet are also fabricated with semiconductor materials and techniques.

REFERENCES:
patent: 3264998 (1966-08-01), Dingman
patent: 4514742 (1985-04-01), Suga et al.
patent: 4520375 (1985-05-01), Kroll

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