How long does it take to sit on the bed at 90 degrees for femoral neck surgery

Some patients are due to femoral head necrosis or femoral neck fracture, so accept hip replacement, or artificial femoral head replacement femoral neck surgery. How long after the femoral neck surgery to do 90 degrees? Because finished hip surgery, more worried about hip dislocation, so in the early stage will let the patient try to do less than 90 degrees, it is best not to sit on a small bench. So how long to achieve 90 degrees sitting on the bed? If the surgery goes smoothly and the prosthesis is positioned properly, the patient should be able to sit at 90 degrees on the first day after the surgery. However, the essentials of sitting on the bed and the requirements for turning over must also be mastered. If the surgery does not go smoothly, there are other problems, such as fractures around the prosthesis, etc., it will appropriately extend the 90-degree sitting period. It is recommended to take a normal X-ray to see if the prosthesis is properly positioned before sitting on the 90-degree bed. In addition, it is necessary to determine when to sit on the 90-degree bed according to the intraoperative situation.