Flow-regulating device for perfusion-transfusion apparatus

Details Flow-regulating device for perfusion-transfusion apparatus Flow-regulating device for perfusion-transfusion apparatus

1978-04-06

1980-05-20

Schwadron, Martin P.

Fluid handling

Liquid level responsive or maintaining systems

By weight of accumulated fluid

128214C, 137433, 73309, F16K 2116

Patent

active

042034639

ABSTRACT:
A so-called "visual" flow-regulation system ensuring a constant flow-rate and presenting an impenetrable barrier to air-bubbles even after completion of the perfusion, the system comprising a central tube on which a sleeve is arranged to slide, the sleeve being provided with a float and further comprising a flexible diaphragm intended to cooperate with the extremity of the fixed central tube, the unit imparting to the liquid passing through it a downward and then an upward movement.

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patent: 3963024 (1976-06-01), Goldowsky
patent: 4096879 (1978-06-01), Serur et al.

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