Automatic variable positive expiratory pressure valve and methods
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United States of America Patent
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-
Jul 30, 2002
Issued Date -
N/A
app pub date -
Aug 31, 1999
filing date -
Nov 9, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention provides exemplary methods and valves used to alter a person's breathing. In one method, an exit valve is interfaced with a person's airway. The exit valve is configured such that respiratory gases are prevented from exiting the person's lungs when the exit valve is closed and are permitted to exit the person's lungs when the exit valve is opened. The exit valve is configured to open when a valve actuating pressure is met or exceeded. In a further step, the valve actuating pressure is varied over time.
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Family
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