Patent ID: 8128286
Filing Date: 2012-03-06
Classification: A61B

Abstract:
1. An X-ray CT apparatus comprising: a base; a main frame including a pair of tilt shafts, the main frame being supported in a tiltable manner by the base with a pair of first bearings interposed in between, the first bearings configured to rotatably support the respective tilt shafts; an X-ray tube and an X-ray detector positioned to face each other; an annular rotor configured to hold the X-ray tube and the X-ray detector, the rotor rotatably supported by the main frame with a second hearing interposed in between, the second bearing being located on a circle having a radius approximately equal to a rotation locus of the center of the X-ray tube that rotates with the rotation of the rotor; and a pair of reinforcement members extended from the main frame, wherein one of each of the pair of tilt shafts is fixed to the main frame, and the other of each of the pair of tilt shafts is fixed to the respective reinforcement members.