Ultrafiltration control for hemodialysis

Details Ultrafiltration control for hemodialysis Ultrafiltration control for hemodialysis

1983-09-10

1987-07-14

Spear, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210646, 210648, 2103213, 210929, B01D 1300

Patent

active

046801227

ABSTRACT:
There is provided an improved system for controlling ultrafiltration in hemodialysis which is independent of the membrane used in the dialyzer. A load cell measures the instantaneous amounts of fluid in a reservoir which receives fluids from the dialyzer and feeds this information into an electronic controller which has been programmed for the desired ultrafiltration. The controller generates an error signal and controls a negative pressure control valve which, in turn, determines the rate and thus amount of ultrafiltration.

REFERENCES:
patent: 3669880 (1972-06-01), Marantz et al.
patent: 4113614 (1978-09-01), Rollo et al.
patent: 4132644 (1979-01-01), Kolberg
patent: 4334988 (1982-06-01), Milligan
patent: 4370983 (1983-02-01), Lichtenstein
patent: 4381999 (1983-05-01), Boucher et al.
patent: 4486303 (1984-12-01), Brous

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