Physiological monitor
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United States of America Patent
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Feb 22, 2011
Grant Date -
Dec 14, 2006
app pub date -
May 3, 2006
filing date -
Jun 3, 1998
priority date (Note) -
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Abstract
A patient monitor has multiple sensors adapted to attach to tissue sites of a living subject. The sensors generate sensor signals that are responsive to at least two wavelengths of optical radiation after attenuation by pulsatile blood within the tissue sites. A patient monitor uses the sensor signals to determine changes in constant oxygen consumption as an indication of changes in metabolism at the tissue cite.
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