Treatment of internal fixation screw fracture

In clinical treatment, the treatment of broken screws is usually using extractor, which rubs bone along the direction of screw body with extractor, slowly wear through both ends of cortical bone, and then take out the broken screw body. However, in the actual implementation of this method, there will be various problems. For example, for screws like LISS, which are embedded in cancellous bone and closely combined with bone, because they are embedded in the bone layer, they are easy to cause secondary injury in the acquisition process. Therefore, the action must be gentle in the process of obtaining. First, grind the bone from the head of the screw until the screw is broken The extractor was completely immersed in the bone. The bone was drilled along the broken screw extractor to the bone chisel around the other end of the screw, so that the bone and screw were completely separated, and the broken screw was removed.