Electronic respirable gas delivery device
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United States of America Patent
Stats
-
Aug 18, 1987
Grant Date -
N/A
app pub date -
May 3, 1985
filing date -
May 3, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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