The price of the steel nails used in the surgery, which are of different types and locations, varies from low to high as follows: cortical bone screws and cancellous bone screws, which are only used at the bone trunk of the extremities and fixed in the extremity fractures, cost about 200-400 yuan for each nail. The price of the bone screws used for locking plates ranges from 600-900 RMB. Interlocking intramedullary nails for fixing the femoral and tibial trunks are relatively more expensive, costing $15,000-$35,000. Pedicle nails for fixing vertebral fractures cost $2,500-5,000.