Isolated layer pulse oximetry
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United States of America Patent
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May 5, 1998
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app pub date -
Jun 10, 1996
filing date -
Mar 14, 1995
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Abstract
An apparatus of and method for measuring arterial blood oxygen saturation at a particular tissue level of interest. Visible and near infrared radiation is emitted into a patient at the measurement site using two different wavelengths. Detection at two different detection sites permits rejection of oxygen saturation at undesired tissue levels.
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