Muscle distraction device for general surgery department

The invention discloses a muscle distraction device for the general surgery department , and belongs to the technical field of muscle distraction devices for the general surgery department.The muscledistraction device comprises a supporting frame, wherein two bearings are mounted on the inner wall of the supporting frame; supporting arms are rotatably connected to the surfaces of the bearings ina matched mode; rotating shafts are installed on the surfaces of the supporting arms; supporting blocks are rotatably connected to the surfaces of the rotating shafts in a matched mode; rollers are installed at the upper ends of the surfaces of the supporting arms; and arc-shaped rails are connected to the other sides of the surfaces of the rollers in a matched and sliding mode. A bulging block and a receiving block are separated by pulling a rotary disc open, then the rotary disc is rotated, the rollers on the supporting arms are driven by the arc-shaped rails on the surface of the rotary disc to move, the needed angl