| 摘要 |
PROBLEM TO BE SOLVED: To provide a gantry device for X-ray CT allowing the reduction of air flow noise, while sufficiently radiating heat from an X-ray tube.SOLUTION: A gantry device for X-ray CT includes: a casing; and a rotor provided with an X-ray tube and an X-ray detector oppositely arranged with a subject interposed, and stored inside the casing rotatably around the body axis of the subject. The gantry device includes recessed/projecting parts in at least one of the outer face of the rotor and the inner face of the casing facing thereto, and includes closing members disposed such that the closing members close the recessed parts of the recessed/projecting parts. |
