×

Systems and methods for measuring oxygenation

  • US 10,307,088 B2
  • Filed: 07/08/2015
  • Issued: 06/04/2019
  • Est. Priority Date: 04/11/2007
  • Status: Active Grant
First Claim
Patent Images

1. A method for optoacoustically determining oxygenation of a subject, the method comprising:

  • emitting a first light having a first wavelength to tissue of the subject;

    emitting a second light having a second wavelength to the tissue, the second wavelength being different from the first wavelength;

    emitting a third light having a third wavelength to the tissue, the third wavelength being different from the first and second wavelengths;

    detecting a first amplitude of acoustic pressure generated by the tissue in response to the first emitted light;

    detecting a second amplitude of acoustic pressure generated by the tissue in response to the second emitted light;

    detecting a third amplitude of acoustic pressure generated by the tissue in response to the third emitted light; and

    determining oxygenation of the subject based on a first differential between the first and second amplitudes and a second differential between the first and third amplitudes.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×