Dialyzer clearance check system

Details Dialyzer clearance check system Dialyzer clearance check system

1990-02-13

1992-05-05

Sever, Frank

Liquid purification or separation

Processes

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

21032165, 210 3271, B01D 6128, B01D 6132

Patent

active

051104776

ABSTRACT:
A method for determining the clearance competency of dialyzers utilized in renal hemodialysis comprises measuring the conductivity of a dialysate solution of low initial conductivity while circulating a priming solution of greater conductivity on the blood side of the dialyzer, correlating the rate of dialysis of molecules contained in the printing solution to known clearance rates for urea or other targeted blood impurity for the types and compositions of the particular dialysis membranes being utilized, and calculating the precise length of treatment time or other treatment parameters required to cleanse the blood to be dialyzed of impurities and biotoxins to a predicted target value. Failsafe control means which prevents mistakes in connecting unsafe fluid sources to the dialyzer is also provided.

REFERENCES:
patent: 4695385 (1987-09-01), Boag

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