Depth of anesthesia monitor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 12, 2000
Grant Date -
N/A
app pub date -
Sep 21, 1998
filing date -
Sep 21, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and device for determining the depth of anesthesia. A pattern of very low frequency oscillations in measured skin temperature, or photoplethysmographic pulse pressure, is defined and analyzed. The frequency bandwidth of a frequency domain analysis of the oscillatory pattern, or the correlation between simultaneous oscillatory patterns measured at different physical locations, are used separately or fused to obtain an index of depth of anesthesia.
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