Method for detecting undesired dialysis recirculation

Details Method for detecting undesired dialysis recirculation Method for detecting undesired dialysis recirculation

1992-04-27

1994-05-17

Drodge, Joseph W.

Liquid purification or separation

Processes

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

210 962, 210745, 210805, 436164, 604 4, B01D 6132

Patent

active

053125509

ABSTRACT:
In a dialysis system wherein blood is removed from a patient's vascular system and passed through a dialyzer system comprising an inlet arterial line, a dialyzer, and an outlet venous line, the blood being fed via the inlet arterial line to the dialyzer and returned to the patient via the outlet venous line, a material having a physical property differing from that of blood is injected at a point in the venous return line. The fluid in the dialysis system upstream from the injection point is monitored for the presence of the different physical property whereby direct recirculation from the venous return line to the arterial intake line is detected.

REFERENCES:
patent: 3482575 (1969-12-01), Claff et al.
patent: 3619423 (1971-11-01), Galletti et al.
patent: 4181610 (1980-01-01), Shintani et al.
patent: 5092836 (1992-03-01), Polaschegg

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