Adjustable combination formula cranium bone traction device

The utility model provides an adjustable combination formula cranium bone traction device and the method of pulling, including being used for the support fixed, be equipped with the pulley yoke on thesupport, be equipped with the pulley on the pulley yoke, haulage rope one end and cranium bone traction pincers fixed connection, the haulage rope other end is walked around the pulley and is connected with the heavy object. Still be equipped with controlling means, controlling means is connected with the servo motor electricity. The method of pulling includes following step: to convolute haulagerope and the clipper joint of cranium bone traction on the reel, the installation counter weight is tightened up or is relaxed the reel according to pulling the motor that requires to make in straining device, makes the pendulum rod be located suitable inclination, realize the treatment of cranium bone traction through above step. Combination through the support, pulley and the heavy object thatset up can utilize gravity