METHOD AND INSTRUMENT FOR THE NON-INVASIVE MEASUREMENT OF THE OXYGENATION/SATURATION OF BIOLOGICAL TISSUE

An instrument for the measurement of the oxygenation/saturation of biological tissue comprising at least one optical source generating continuous intensity luminous radiation, an optical probe to convey the radiations onto a part of the tissue and to collect the radiations in exit from the tissue at a set distance, a receiver unit and an electronic control unit. The instrument is adapted to interface to a personal computer in order to obtain indicative absolute levels of the oxygenation of the tissue based on the collected signals. The optical source is made up of at least three independent optical modules for the emission of the same number of different luminous radiations with wavelengths belonging to the near infrared spectrum, with at least one of said wavelengths in correspondence to a water absorption peak.