Knee joint flexion maintaining device for knee joint replacement surgery

The utility model relates to the technical field of medical auxiliary equipment, in particular to a knee joint flexion keeping device for knee joint replacement surgery, which comprises an artificial limb model, a fixing shoe and a fixing bandage, the foot position of the artificial limb model is sleeved with the fixing shoe, and the thigh position of the artificial limb model is provided with the fixing bandage; according to the knee joint buckling maintaining device for the knee joint replacement surgery, the arranged fixing bandage is matched with the fixing shoe, the first fixing plate and the second fixing plate, so that the legs of a patient can be effectively fixed, the bending angle of the knee joint of the patient can be effectively stabilized in cooperation with the fixing block, the hinge and the electric telescopic rod, and the knee joint buckling maintaining device is convenient to use. Meanwhile, medical staff can control the electric telescopic rod to stretch out and draw back through the switc