APPARATUS AND METHOD FOR DETECTING BREATHING DISORDERS
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United States of America Patent
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Issued Date -
Sep 16, 2010
app pub date -
Feb 18, 2010
filing date -
Feb 19, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Apparatus for detecting breathing disorders in a person, comprising a sensor constructed to be located on, in, or under a mattress to sense mechanical vibrations of a body part of the person while lying on the mattress, and a control system designed to receive the output of the sensor, and to perform the following operations: filter out the breath components of the sensor output; sample the breath components during predetermined short time durations (N.sub.S); determine the average energy E.sub.S in the samples; sample breath components during long time durations (N.sub.L); determine the average energy (E.sub.L) in the latter samples; calculate a breath quality factor (BQF) by dividing E.sub.S by E.sub.L (E.sub.S/E.sub.L); and actuating a display, alarm, and/or control when the BQF is a predetermined value less than 1.0.
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