Surgical waist bridge convenient to adjust

The utility model relates to the technical field of surgical auxiliary equipment, in particular to a surgical waist bridge convenient to adjust, which comprises a fixed base, a movable lifting air cylinder and a fixed lifting air cylinder, the movable lifting air cylinder and the fixed lifting air cylinder are mounted on the fixed base, and the top of a first piston rod of the movable lifting air cylinder is connected with a movable waist bridge portion. The top of a second piston rod of the fixed lifting air cylinder is connected with a fixed waist bridge part, and a telescopic air cylinder used for controlling the horizontal position of the movable waist bridge part is installed in the fixed waist bridge part in an embedded mode. The third piston rod is controlled through the telescopic air cylinder, the distance between the movable waist bridge part and the fixed waist bridge part is adjusted, and therefore the size of the waist bridge is adjusted, the horizontal heights of the movable waist bridge part an