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Hypersaturation index

  • US 9,131,881 B2
  • Filed: 04/17/2013
  • Issued: 09/15/2015
  • Est. Priority Date: 04/17/2012
  • Status: Active Grant
First Claim
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1. A method of determining an increase in an amount of oxygen in a body of a patient, where the increase occurs after the patient has reached a 100% oxygen saturation value, and displaying the increase to a patient care provider for use in treating the patient in real time, the method comprising:

  • emitting light of at least a first and second wavelength of light from a light emitter into the body of the patient;

    detecting the light after attenuation of the body, wherein the detected attenuation of the light is indicative of a physiological condition of the body of the patient;

    determining at least a first ratio of a detected measure of an attenuation of the first wavelength to a detected measure of an attenuation of the second wavelength;

    using the first ratio to determine an oxygen saturation level;

    using the detected measures of the attenuations of the first and second wavelengths of light to determine the increase in the amount of oxygen in the body of the patient where the increase occurs after the patient has reached a 100% oxygen saturation measurement; and

    displaying, using a displayed measurement separate from said oxygen saturation measurement, an indication that oxygen levels in the body of the patient continue to increase beyond a 100% oxygen saturation measurement.

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