An autotransfusion device having: a first line and a first pump, the first line being connected to the inlet of a blood centrifugation cell, and branches of the first line being (i) connected to a red blood cell container, (ii) provided with a coupling, and (iii) being suitable to be connected to the patient; a second line connected to the outlet of a blood centrifugation cell and two branches of the second line being provided with two couplings; and a third line and a second pump, the third line being connected to the first line in an intermediate position between the first pump and the blood centrifugation cell, and branches of the third line (i) being connected to a physiological solution container and (ii) being provided with a coupling.