Apparatus for automatically monitoring body functions
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United States of America Patent
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-
Sep 6, 1983
Issued Date -
N/A
app pub date -
Apr 17, 1981
filing date -
Dec 27, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A respiration monitor for use in an apnea monitor is disclosed in which a threshold value signal is automatically generated proportional to the average value of the monitored impedance of the subject during a base period selected by the operator. A comparator circuit operates to indicate respiration when the ratio between the threshold value signal and the impedance signal reaches a predetermined proportionality factor.
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