牵引技术在骨科治疗中应用广泛,它是利用悬垂重量为持续的牵引力,身体重量为反牵引力,以克服肌肉收缩力,其作用是对脱位肢体的整复合固定、炎症肢体的制动、肢体挛缩畸形的矫治和功能锻炼等[1]。骨科牵引装置包括牵引作用具、牵引重量、牵引架、牵引床、牵引绳、床脚垫、牵引弓等。无论是骨牵引、皮肤牵引还是枕颌带牵引等都离不开牵引重量,牵引重量即要有重锤及重锤放置装置。以往 Traction technology in orthopedic treatment is widely used, it is the use of drape weight for sustained traction, body weight of anti-traction to overcome muscle contraction, its role is to dislocation of the whole limb fixed composite, inflammation of the limb brakes, limb contracture Deformity correction and functional exercise [1]. Orthopedic traction devices include traction devices, traction weight, traction frame, traction bed, traction rope, foot pads, traction bow and so on. Whether it is bone traction, skin traction or pillow jaw traction are inseparable from the traction weight, traction weight that is to have heavy hammer and hammer placed device. in the past