Apparatus for measuring/determining concentrations of light absorbing materials in blood
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United States of America Patent
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N/A
Issued Date -
Mar 28, 2002
app pub date -
Sep 24, 2001
filing date -
Sep 22, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An apparatus for measuring/determining concentrations of light absorbing materials in blood includes a probe 10 and a measurement device main body 30. A plurality of optical signals of different wavelengths are irradiated onto living tissue, and the concentrations of light absorbing materials in blood is determined by means of a photoplethysmogram detected by means of the light that has transmitted through the tissue. Simulating-signal generating means is provided in the measurement device main body and generates an arbitrary simulating-pulse-wave signal corresponding to the photoplethysmogram detected by the probe.
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