Computer tomography device, comprising: a casing portable by a person; a plurality of components (30 to 44) arranged in the casing, which are implemented to generate signals allowing computer tomographical illustration of an object; and shielding means (12, 14) defining a shielded space in the portable casing in order to shield the environment from X-radiation generated in the portable casing, wherein components (30, 32, 34) of the plurality of components arranged in the casing that are subject to X-radiation are arranged in the shielded space, and wherein at least one of the components (36, 42, 44) is arranged outside the shielded space in the casing, wherein the components comprise an X-ray source, an X-ray detector, an object space between the X-ray source and the X-ray detector and a high-voltage generator, wherein the X-ray source, the object space and at least partly the X-ray detector are arranged in the shielded space, and the high-voltage generator is arranged outside the shielded space, and wherein the components comprise a positioning means (38, 40) for positioning an object in the object space and at least one control means (42, 44) for the positioning means, wherein the control means (42, 44) is arranged outside the shielded space in the casing, wherein the computer tomography device has an overall weight of a maximum of 25 kg and external dimensions of a maximum of 350 mm x 300 mm x 230 mm, wherein the X-ray source and the high-voltage generator each comprise longitudinal axes, wherein the X-ray source and the high-voltage generator are arranged in the housing such that the longitudinal axes are perpendicular to one another, wherein the positioning means comprises a moving means, which is implemented to move the object relative to the X-radiation in order to subject different sections of the object to the X-radiation, wherein the casing comprises a floor plate which is implemented in sandwich construction, wherein the computer tomography device comprises a rail system on which at least some of the components are mounted, and wherein the X-ray source, the positioning means (38, 40) and the X-ray detector are mounted on the rail system. a casing portable by a person; a plurality of components (30 to 44) arranged in the casing, which are implemented to generate signals allowing computer tomographical illustration of an object; and shielding means (12, 14) defining a shielded space in the portable casing in order to shield the environment from X-radiation generated in the portable casing, wherein components (30, 32, 34) of the plurality of components arranged in the casing that are subject to X-radiation are arranged in the shielded space, and wherein at least one of the components (36, 42, 44) is arranged outside the shielded space in the casing, wherein the components comprise an X-ray source, an X-ray detector, an object space between the X-ray source and the X-ray detector and a high-voltage generator, wherein the X-ray source, the object space and at least partly the X-ray detector are arranged in the shielded space, and the high-voltage generator is arranged outside the shielded space, and wherein the components comprise a positioning means (38, 40) for positioning an object in the object space and at least one control means (42, 44) for the positioning means, wherein the control means (42, 44) is arranged outside the shielded space in the casing, wherein the computer tomography device has an overall weight of a maximum of 25 kg and external dimensions of a maximum of 350 mm x 300 mm x 230 mm, wherein the X-ray source and the high-voltage generator each comprise longitudinal axes, wherein the X-ray source and the high-voltage generator are arranged in the housing such that the longitudinal axes are perpendicular to one another, wherein the positioning means comprises a moving means, which is implemented to move the object relative to the X-radiation in order to subject different sections of the object to the X-radiation, wherein the casing comprises a floor plate which is implemented in sandwich construction, wherein the computer tomography device comprises a rail system on which at least some of the components are mounted, and wherein the X-ray source, the positioning means (38, 40) and the X-ray detector are mounted on the rail system.