Artificial kidney cleaning apparatus and process

Details Artificial kidney cleaning apparatus and process Artificial kidney cleaning apparatus and process

1977-01-10

1979-08-28

Spear, Jr., Frank A.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

134 22C, 134 26, 210 81, 210 962, 210140, 210321B, B01D 3100, B01D 1300

Patent

active

041660315

ABSTRACT:
An automatic cleaning system for blood dialysis machines comprises a plurality of automatic valves for sequentially passing water, cleaning solution, and sterilizing solution through the dialysate chamber on the one hand, and water and sterilizing solution through the blood chamber on the other hand. The cleaning solution is held in the dialysate chamber to soak the membrane while the water is passed through the blood chamber. The cleaning and sterilizing fluids are supplied to the dialyzer from containers filled with reservoirs of pre-mixed fluids. A water-actuated Venturi fitting is used to withdraw sterilizing and cleaning fluids from the dialyzer.

REFERENCES:
patent: 3352779 (1967-11-01), Austin et al.
patent: 3441136 (1969-04-01), Serfass et al.
patent: 3563381 (1971-02-01), Edelson et al.
patent: 3753493 (1973-08-01), Mellor
patent: 3871913 (1975-03-01), Shaldon

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