Method for noninvasive intermittent and/or continuous hemoglobin, arterial oxygen content, and hematocrit determination
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United States of America Patent
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Apr 7, 1992
Issued Date -
N/A
app pub date -
Jun 20, 1989
filing date -
Oct 28, 1988
priority date (Note) -
Expired
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Abstract
Described here are a novel means and device for noninvasively quantifying important blood constituents. Total hemoglobin, arterial oxygen content, hematocrit, and other parameters can all be determined quickly and easily without the need for skin puncture or lengthy laboratory analysis. The invention described here concerns the simultaneous measurement of volume changes and changes in the mass of either oxyhemoglobin, total hemoglobin, or reduced hemoglobin. The data obtained by these measurements is used to quantify the parameters of interest.
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