Postoperative nursing device for severe lower limb deep venous thrombosis patient

The utility model discloses a postoperative nursing device for a severe lower limb deep venous thrombosis patient, which comprises a back plate, a hemispherical bag is detachably arranged on the front side of the back plate, and an air tap is arranged on the hemispherical bag; a positioning frame is arranged on the back of the back plate, a hook back to the back plate is arranged at the upper end of the positioning frame, and one end of the positioning frame is in running fit with the back plate and can rotate relative to the back plate. The fixing device has the advantages that positioning can be achieved by hanging the hook on a tail plate of a bed tail, the position of the hemisphere bag can be conveniently adjusted according to needs, and mounting and fixing are convenient and fast; after being inflated, the hemisphere bag is fixed at the tail of a bed, so that a patient can be assisted in pedaling the foot, and meanwhile, the action of toes of the patient and the tension and relaxation of muscles of the