Method of identifying valid signal-carrying channels in a cardiorespiratory alert system
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United States of America Patent
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Oct 15, 1996
Issued Date -
N/A
app pub date -
Sep 20, 1994
filing date -
Nov 25, 1991
priority date (Note) -
Expired
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Abstract
A cardiorespiratory alert system is described which comprises a patient unit which communicates with a caregiver unit, via an optional central base station in a Hospital Configuration, or via a base station in an Alternate Site/Home Configuration. A number of techniques are employed to provide a system which provides alerts to the caregiver unit when life-threatening conditions are detected in the patient, yet is tolerant to the presence of artifact so that false positives are reduced. The present invention utilizes patient cooperation as well as a number of artifact reducing mechanisms to provide increased immunity to artifact.
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