SOMATOM DEFINITION AS and SOMATOM DEFINITION FLASH Technical Name: CT Scanning Equipment ANVISA Registration Number: 10234230157 Hazard Class: III Model Affected: SOMATOM DEFINITION AS and SOMATOM DEFINITION FLASH Serial numbers affected: 64127; 64147; 64584; 64665; 64948; 64981; 64988; 65055; 65160; 65227; 65395; 65405; 65422; 65431; 65477; 65571; 65584; 65585; 65621; 65648; 65675; 65682; 65901; 65910; 65950; 65987; 66149; 66397; 66401; 66430; 66479; 66488; 66492; 66524; 66584; 66586; 66590; 66782; 73105; 73172.