Sleep apnea monitor

Details Sleep apnea monitor Sleep apnea monitor

1987-09-02

1989-02-07

Wayner, William E.

Surgery

Truss

Pad

128637, 128670, A61B 500

Patent

active

048024856

ABSTRACT:
A sleep apnea monitor includes an SaO.sub.2 sensor, a breathing sensor, a snoring sensor, and a head position sensor, all of which are mounted to a headgear. The breathing sensor preferably includes a piezo-electric film formed of a generally cylindrical shape positioned between the nose and mouth of the subject such that exhaled air warms the film and generates an electric signal indicative of the brathing pattern of the subject. Preferably, the region bounded by the piezo-electric film is used as a resonant cavity which is acoustically coupled to a microphone included in the snoring sensor. In one embodiment, data is logged from the sleep apnea monitor at the rate of one measurement for each pulse beat of the subject. In this way, data recording is synchronized with a physiological variable.

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"Kynar Piezo Film Technical Manual", pp. 1-26, Pennwalt Corporation Copyright 1983.
"Watch Bird Apnea Monitor", Bernard DeBerry, M.D., F.A.C.S., pp. 1-3.
"Sleep Apnea Syndromes", Circle Reader Service Card No. 37-40, Respiratory Therapy, Jan./Feb. 1981, 1981 Barrington Publications, Inc.
"Piezo Film Sensors", The Journal of Machine Perception, May 1986, vol. 3, No. 5.
"Kynar Piezo Film", published by Pennwalt Corporation.
"Obstructive Sleep Apnea", Symposium on Sleep Disorders, Colin E. Sullivan, (Med. A.M.B. B.S., Ph.D. F.R.A.C.P. and Faiq G. Issa, M.B., B.S. Ph.D.
"Analysis of Apnea in Sleep Apnea", by David Kurtz and Jean Krieger 1978 Alan R. Liss, Inc.

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