Artificial kidney device

Details Artificial kidney device Artificial kidney device

1975-12-22

1977-06-21

Spear, Jr., Frank A.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Maintaining stream pressure or flow

210321B, B01D 3100

Patent

active

040310086

ABSTRACT:
In an artificial kidney device comprising a dialyzer for removing specified components from blood wherein an ultrafiltration pressure is applied to the dialyzer, an ultrafiltration pressure adjusting means is provided midway of a tube for transporting the blood passed through the dialyzer into a vein of a human being, which comprises a double walled tube consisting of an easily deformable inner tube communicating with the blood transporting tube and a rigid outer tube surrounding the inner tube to define a closed chamber therebetween, pressure applying means for applying pressure to the interior of the closed chamber and an air reservoir communicating with the closed chamber and provided with a partition means near an outlet to the closed chamber for harmetically dividing the air reservoir into two rooms.

REFERENCES:
patent: 3228397 (1966-01-01), Moss
patent: 3365061 (1968-01-01), Bray

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