Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1995-07-11
1996-12-03
Drodge, Joseph W.
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210 90, 210138, 2104331, 210741, 604 5, B01D 6130, B01D 6132
Patent
active
055804608
ABSTRACT:
A method and apparatus for monitoring the operability of components in a hemodialysis apparatus during dialysis treatment. The dialyzer is isolated from the dialyzing liquid circuit for a time interval during dialysis treatment. During the isolation time interval, the dialyzing liquid circuit pressure is measured and monitored to detect deviations from a mean dialyzate operating pressure. The isolation is repeated periodically, with the time period between isolation intervals dependent upon the ultrafiltration coefficient of the dialyzer. This method may be performed automatically by a microprocessor in the hemodialysis apparatus.
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Drodge Joseph W.
Fresenius AG
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