Trade name: Somatom Definition AS; Somatom Definition Edge; Somatom Definition Flash. Technical name: CT Scanner. ANVISA registration number: 10345161981; 10345161998; 10345161989. Class of risk: III. Affected model: Somatom Definition AS; Somatom Definition Edge; Somatom Definition Flash. Serial numbers affected: 64948; 65910; 66488; 66524; 65950; 65987; 66050; 65160; 65055; 65675; 65395; 65585; 66149; 66397; 66401; 65571; 64127; 64584; 65584; 65405; 65552; 65227; 65431; 66479; 66492; 64665; 65477; 65901; 65648; 64147; 64988; 65422; 65682; 66430; 66459; 60221; 60480;