Novel positioning device for ct image

The utility model belongs to the technical field of medical instruments, and particularly relates to a novel positioning device for ct images, which comprises a rotating rod, a rotating shaft arranged in the rotating rod, a first fixing groove arranged on the inner side surface of the rotating rod, a supporting plate movably mounted on the upper end surface of the rotating rod, and a moving rod fixedly mounted on the lower end surface of the supporting plate. A first fixing bolt is rotatably mounted on the inner side face of the first fixing groove, a supporting rod is arranged on the outer surface of the moving rod, a second fixing bolt is rotatably mounted on the outer surface of the supporting rod, a rotating block is arranged on the inner side face of the supporting rod, and a mounting cylinder is arranged on the outer surface of the rotating block. By arranging the rotating block, the angle of the mounting cylinder can be flexibly adjusted, the mounting cylinder can have a plurality of puncture angles an