Monitoring and control for a laryngeal mask airway device
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United States of America Patent
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Feb 19, 2008
Grant Date -
Sep 18, 2003
app pub date -
Jan 17, 2003
filing date -
Dec 24, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The disclosed method of monitoring the cuff pressure of an LMA provides an estimation of a patient's anesthetic state. Cuff pressure tends to rise and fall during IPPV and spontaneous breathing. One of the disclosed methods activates an alarm if an instantaneous value of the cuff pressure exceeds selected levels. This method may also automatically adjust the selected levels. One of the disclosed methods activates an alarm if activity of the cuff pressure as observed over a period of time exceeds a selected level.
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