Process for determining the operability of the structural components in the dialysis section of a dialyzer of a hemodialysis apparatus and apparatus for executing this process
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United States of America Patent
Stats
-
Dec 3, 1996
Issued Date -
N/A
app pub date -
Jul 11, 1995
filing date -
Nov 27, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
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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