牵引架是骨科疾病或骨折牵引治疗的一项最基本的治疗工具。通常大医院都配备有特制的牵引床,其造价高昂,笨重、移动不方便。简陋的方法也可在普通病床用木棒搭架,安上滑车也能起到牵引作用,但不甚雅观,装卸不方便,而且只能起垂直固定牵引,不能达到既保持垂直固定牵引又保持自由平衡移动。当病员需要更换体位时,需医护人员协助,既增加 Traction frame is a basic treatment of orthopedic disease or fracture traction treatment. Large hospitals are usually equipped with a special traction bed, its high cost, bulky, inconvenient to move. Simple method can also be used in ordinary beds with wooden sticks, put the pulley can also play the role of traction, but not elegant view, loading and unloading inconvenient, and can only be a vertical fixed traction, can not achieve both maintain a vertical fixed traction and keep Move freely and freely. When the patient needs to change position, the need for medical staff to assist, both increased