Method of measuring the oxygen saturation in pulsating blood flow
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United States of America Patent
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Sep 12, 1995
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N/A
app pub date -
Jun 1, 1992
filing date -
Nov 1, 1989
priority date (Note) -
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Abstract
An improved pulse oximeter for the measurement of oxygen saturation in the blood, which is faster and more accurate than conventional pulse oximeter. Improved speed and accuracy is attached by elimination of normalization and feedback circuitry and the use of analog to digital converting devices having a wide dynamic range along with a sophisticated computer analysis. The instant invention eliminates inaccuracies resulting from channel matching errors, and detects and eliminates aberrant input data.
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