Hemodialysis apparatus with degassing means for the dialysis sol

Details Hemodialysis apparatus with degassing means for the dialysis sol Hemodialysis apparatus with degassing means for the dialysis sol

1984-05-21

1985-07-23

Sadowski, David

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Diverse sensing means

210188, 2102572, 210258, 2103213, 210929, B01D 3100

Patent

active

045307598

ABSTRACT:
The ultra-filtration in a hemodialysis operation is controlled by a control apparatus which is connected to a balancing device (1) and to a dosing device (9) to form a closed loop control circuit for the metered supply of dialysis concentrate into the balancing device and for the metered supply of fresh dialysis solution into the dialyzer. The closed loop control circuit controls the alternating supply of fresh dialysis solution into one chamber of a balancing device and the withdrawal of used-up dialysis solution from the other chamber of the balancing device. The closed loop control circuit also controls a pump for the metered withdrawal of used-up dialysis solution out of the dialysis circulatory system. The dosing device operates as a proportionality device to produce fresh dialysis solution from water and dialysis concentrate whereby the concentrate is dosed and the dialysis solution is also dosed or metered.

REFERENCES:
patent: 4021341 (1977-05-01), Cosentino et al.
patent: 4093545 (1978-06-01), Cullis
patent: 4096059 (1978-06-01), Pinkerton
patent: 4137168 (1979-01-01), Perrot
patent: 4153554 (1979-05-01), von der Heide et al.
patent: 4162974 (1979-07-01), Pernic
patent: 4178240 (1979-12-01), Pinkerton
patent: 4221543 (1980-09-01), Cosentino et al.
patent: 4267040 (1981-05-01), Schal
Kunitomo, T. et al., "Controlled Ultrafiltration (UF) . . . ", Trans. Am. Soc. Artif. Internal Organs, vol. 23, 1977, pp. 234-242.

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