Multi-stream data collection system for noninvasive measurement of blood constituents
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United States of America Patent
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Mar 8, 2016
Grant Date -
Jan 6, 2011
app pub date -
Jul 1, 2010
filing date -
Jul 3, 2008
priority date (Note) -
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Abstract
The present disclosure relates to noninvasive methods, devices, and systems for measuring various blood constituents or analytes, such as glucose. In an embodiment, a light source comprises LEDs and super-luminescent LEDs. The light source emits light at least wavelengths of about 1610 nm, about 1640 nm, and about 1665 nm. In an embodiment, the detector comprises a plurality of photodetectors arranged in a special geometry comprising one of a substantially linear substantially equal spaced geometry, a substantially linear substantially non-equal spaced geometry, and a substantially grid geometry.
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