Breathing sensor

Details Breathing sensor Breathing sensor

1986-03-27

1989-11-07

Kamm, William E.

Surgery

Truss

Pad

A61F 500

Patent

active

048785024

ABSTRACT:
Breathing sensor that monitors the inhalation and exhalation of air by sensing the flow of air from a patient's nostrils or by expansion and contraction of the chest, abdomen, side or back. The respiration sensing is changed to an electrical signal that indicates and provides an output signal for monitoring the breathing function. The sensor comprises a housing with a tubular passage containing a ball, a tube connection, a light source, means for detection when the ball interrupts the light source, and an electronic circuit that provides a breathing indicator and output voltage suitable for use in monitoring the patient's breathing.

REFERENCES:
patent: 3081765 (1963-03-01), Kompelien
patent: 3695608 (1972-10-01), Hanson
patent: 3898987 (1975-08-01), Elam
patent: 4241739 (1980-12-01), Elson
patent: 4259951 (1981-04-01), Chernack et al.
patent: 4417589 (1983-11-01), Favaloro
patent: 4495944 (1985-01-01), Arisson et al.
patent: 4579124 (1988-04-01), Jentges

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