Main manufacturers : GE, Siemens, Toshiba, Philips
CT scan use Xray. Xray absorbtion varie depending tissues density and is digitized by IT processing.
Xray tube is turning inside a gantry in order to obtain cross-sectionnal data. Then, a powerfull calculator is rebuilding 2D and 3D anatomic structures.
CT Scan features :
- Gantry with a Xray tube and detectors. These parts are turning around a tunnel in which are moving a bed supporting the patient.
- Mobile bed patient
- Aquisition station.