Hemodialysis device

Details Hemodialysis device Hemodialysis device

1985-05-07

1987-07-28

Spear, Frank

Liquid purification or separation

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

Material level or thickness responsive

2103213, 210929, B01D 1300

Patent

active

046830537

ABSTRACT:
Hemodialysis device (10) with a control apparatus (74) and a line (52) which is connected to a valve arrangement (50) downstream of the suction pump (20) and to a dialyzing liquid source (16). The dialyzing liquid source (16) has a volume measuring apparatus (54, 58) with which the ultrafiltrate generated by the suction pump (20) can be determined in the recirculation circuit. The ultrafiltration rate thereby established serves to control the suction pump (20) with the aid of the control apparatus (74), in some cases the transmembrane pressure being determined with the aid of the pressure gauges (62, 66) and from which the current ultrafiltration coefficient can be measured. Furthermore, the hemodialysis device (10) has a safe possibility of feeding disinfectant concentrate into the recirculation circuit downstream of the dialyzer (12).

REFERENCES:
patent: 3441136 (1969-04-01), Serfass et al.
patent: 3979284 (1976-09-01), Granger et al.
patent: 4141834 (1979-02-01), Bellotti et al.
patent: 4370983 (1983-02-01), Lichtenstein

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