Arterial blood monitoring probe
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United States of America Patent
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Mar 29, 1994
Issued Date -
N/A
app pub date -
Apr 12, 1993
filing date -
Feb 7, 1992
priority date (Note) -
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Abstract
This arterial blood monitoring system takes advantage of the basic statistical property that arterial blood contains a plurality of dominant absorbers, whose measured light absorption spectra appear as a constant over a short interval of time. By measuring the transmitted light as it varies with arterial pulsation at selected wavelengths of light, over a common light path, the relative amount of these dominant absorbers in the arterial blood can noninvasively be determined. To ensure the common light path, a sandwich construction light detector is used.
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