Method and apparatus for using an inhalation sensor for monitori

Details Method and apparatus for using an inhalation sensor for monitori Method and apparatus for using an inhalation sensor for monitori

1988-10-25

1991-10-01

Cohen, Lee S.

Surgery

Truss

Pad

12820426, A61B 508

Patent

active

050524003

ABSTRACT:
An inhalation sensor which uses a non-metallic diaphragm that is metallized on one side, pre-stressed, and used as one plate of a variable capacitance pressure tranducer to sense 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: 4519387 (1985-05-01), Durkan et al.
patent: 4686975 (1987-08-01), Naimon et al.

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