Incentive spirometer employing bellows air flow sensor

Details Incentive spirometer employing bellows air flow sensor Incentive spirometer employing bellows air flow sensor

1984-09-07

1987-01-13

Howell, Kyle L.

Surgery

Truss

Pad

272 99, 128725, A61B 508

Patent

active

046356479

ABSTRACT:
Disclosed is an incentive spirometer employing a collapsible bellows switch mechanism for determining when the rate of air flow into a patient's lungs is within a desired range. A timing circuit determines the time during which the flow rate is within the desired range and this information is displayed giving an incentive display of the air volume inhaled by the patient.

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patent: 4495944 (1985-01-01), Brisson et al.
patent: 4546793 (1985-10-01), Stupecky

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