Electronic respirable gas delivery device

Details Electronic respirable gas delivery device Electronic respirable gas delivery device

1985-05-03

1987-08-18

Recla, Henry J.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820718, A61M 1600

Patent

active

046869751

ABSTRACT:
A supplemental respiratory device is shown that uses electronic components to regulate the flow of a respirable gas to a user, intermittently, on a demmand basis. The present invention, by monitoring small changes in relative airway pressure, caused by the user's inspiratory or expiratory effort, supplies gas only when an inhalation is detected. The present respiratory device can also vary the duration of the gas delivery time to compensate for changes in user breath rate. The invention herein is designed to be compatible with a standard nasal cannula. An electronic apnea detector is shown, and is included in the preferred embodiment of the present invention. In addition, the invention herein, when not used for gas delivery purposes, can be used as a diagnostic device for providing information concerning a user's breathing pattern.

REFERENCES:
patent: 3357428 (1967-12-01), Carlson
patent: 4281651 (1981-08-01), Cox
patent: 4401115 (1983-08-01), Monnier
patent: 4461293 (1984-07-01), Chen
patent: 4612928 (1986-09-01), Tiep et al.

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