A HUMAN NECESSITIES
A61 MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61B DIAGNOSIS; SURGERY; IDENTIFICATION
6/00 Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
A61B6/44 Constructional features of apparatus for radiation diagnosis
A61B6/4429 related to the mounting of source units and detector units
A61B6/4452 the source unit and the detector unit being able to move relative to each other