Pulse oximeter and sensor optimized for low saturation
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United States of America Patent
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Issued Date -
Sep 21, 2006
app pub date -
Apr 19, 2006
filing date -
Apr 1, 1994
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Embodiments of the present invention relate to a pulse oximeter sensor. Specifically, embodiments of the present invention include emitting infrared light from a first light source into tissue, the infrared light including an infrared wavelength spectrum useful for measuring oxygen saturation in a patient with high saturation, emitting far red light from a second light source into the tissue, the far red light including a wavelength between 700 and 790 nanometers, and detecting the infrared light and far red light from the first and second light sources with a detector after the light has been scattered by the tissue.
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