ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,043, issued on July 8.
"Method for measurements of oxygenated and de-oxygenated hemoglobin concentration" was invented by Meir Nitzan (Bet El, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for the measurement of oxygenation level of blood in a tissue. The method includes emitting on a tissue light having a wavelength range in which oxygenated hemoglobin has a first extinction coefficient and de-oxygenated hemoglobin has a second extinction coefficient, and wherein one of the first and second extinction coefficients changes monotonically as a function of wavelength while the other one of the first and second extinction coefficients is...