Medical sensor for reducing motion artifacts and technique for using the same
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United States of America Patent
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Jan 11, 2011
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app pub date -
Sep 29, 2005
filing date -
Sep 29, 2005
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Abstract
A sensor for pulse oximetry or other applications utilizing spectrophotometry may be adapted to reduce motion artifacts by fixing the optical distance between an emitter and detector. A flexible sensor is provided with a stiffening member to hold the emitter and detector of the sensor in a relatively fixed position when applied to a patient. Further, an annular or partially annular sensor is adapted to hold an emitter and detector of the sensor in a relatively fixed position when applied to a patient. A clip-style sensor is provided with a spacer that controls the distance between the emitter and detector.
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