Pulse oximeter and sensor optimized for low saturation
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United States of America Patent
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app pub date -
Apr 19, 2006
filing date -
Apr 1, 1994
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Abandoned
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Abstract
Embodiments of the present invention relate to a system and method for facilitating detection of a physiological characteristic of a patient. Specifically, embodiments of the present invention relate to a sensor comprising a light emitter configured to emit light, the light being optimized to reduce sensitivity of blood oxygen saturation measurements to perturbation induced artifacts for saturations less than 80 percent, wherein the light includes only spectrums in a red range and infrared range including a range of 700 to 790 nanometers, and a detector configured to detect the light.
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