Apparatus for treating uremic patients

Details Apparatus for treating uremic patients Apparatus for treating uremic patients

1979-10-24

1981-08-18

Spear, Jr., Frank A.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Fluid current controlled cyclic system

128214F, 2104332, B01D 3100, A61M 103

Patent

active

042845025

ABSTRACT:
An apparatus for treating uremic patients by means of ultrafiltration, in which the withdrawn blood is separated by means of a hemofilter into plasma water and residual blood and the plasma water is exchanged in an exchange device. The latter comprises two chambers I and II, separated from one another by a flexible or movable partition, of which chamber I is filled with fluid and can additionally receive the plasma water, and chamber II contains substitution solution. By exerting pressure in the partition, a suction is caused in chamber I and a pressure in chamber II, so that chamber I can take up the plasma water, while the same volume of substitution solution is released from chamber II.

REFERENCES:
patent: 3199511 (1965-08-01), Kulick
patent: 3640277 (1972-02-01), Apelberg
patent: 3731681 (1973-05-01), Blackshear et al.
patent: 4041944 (1977-08-01), Rhodes

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