Optoelectronic inhalation sensor for monitoring inhalation and f

Details Optoelectronic inhalation sensor for monitoring inhalation and f Optoelectronic inhalation sensor for monitoring inhalation and f

1986-10-06

1988-05-24

Coven, Edward M.

Surgery

Truss

Pad

73705, A61B 508

Patent

active

047459255

ABSTRACT:
An inhalation sensor using a thin film pre-stressed diaphragm, senses by optoelectronic means the inhalation and exhalation of air from the nostrils and/or mouth of a patient. The inhalation sensor is used for inhalation therapy by triggering a prescribed dose of therapeutic gas when inhalation takes place. The inhalation sensor can also be used as a monitor to detect apnea (the absence of breathing).

REFERENCES:
patent: 3946726 (1976-03-01), Pikul
patent: 4360247 (1982-11-01), Beasley
patent: 4526041 (1985-07-01), Beller et al.
patent: 4546793 (1985-10-01), Stupecky

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