A method of determining the amount CPO2 (t0) of oxygen O2 contained in the blood and device associates

The invention relates to the field of devices or diagnostic methods, and relates to a method for determining variations in the oxygen content of the peripheral blood comprising the steps of: - Simultaneous determination of hemoglobin concentration and saturation rate oxygen in the blood at time t; - Calculation of the amount of oxygen contained in the peripheral blood and then stored in memory this value, and an associated device comprising. - first means 2 for measuring the concentration of hemoglobin contained in the peripheral blood, - second means 3 for measuring the oxygen saturation level of the peripheral blood, - means 4 for controlling the simultaneous operation of first and second means measurement - the means 5 for calculating the amount of oxygen contained in the peripheral blood, - means 6 for storing information.