Device for monitoring breathing during sleep and control of CPAP treatment that is patient controlled
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United States of America Patent
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Apr 6, 1993
Issued Date -
N/A
app pub date -
Dec 12, 1991
filing date -
Jun 26, 1987
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A CPAP apparatus including: a variable pressured air source and means to vary the air pressure delivered therefrom; a nose piece for sealed air communication with a patient's respiratory system; an air communication line from the air source to the nose piece; a sound transducer adapted to be in sound communication with the patient's respiratory system; and a feedback system controlling the output pressure of the air source in response to an output from the transducer so as to increase the output air pressure from said air source, in response to detection of sound indicative of snoring, in accordance with a predefined procedure. The sound transducer, in its most general form, comprises a pressure transducer which, in addition to detecting snoring sounds, can detect other respiratory parameters such as the rate of breathing, inhaled air flow volume, and inhaled air flow rate. Output air pressure from air source is increased in response to one or more of these parameters in accordance with a pre-defined procedure.
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Family
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