Method and apparatus for estimating a physiological parameter from a physiological signal
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United States of America Patent
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Jul 15, 2003
Grant Date -
Jul 25, 2002
app pub date -
Jul 26, 2001
filing date -
Nov 21, 2000
priority date (Note) -
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Abstract
A system is disclosed which first identifies a plurality of characteristics of a physiological signal any one of which may represent a physiological parameter. A plurality of different techniques are used to provide respective likelihood factors for each such identified characteristic. The resulting likelihood factors are then analyzed to select the one characteristic of the physiological signal which most likely represents the desired physiological parameter. The physiological parameter is then calculated from the selected characteristic of the physiological signal.
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