Objective To compare and to assess the treatment effectiveness of interchanteric femoral fractures by proximal femoral nail ( PFN ) and dynamic hip screw ( DHS ).

• 目的 采用股骨近端髓内钉（proximal femoral nail，PFN）与动力髋螺钉（dynamic hip screw，DHS）比较两种内固定方法在治疗股骨转子间骨折的治疗效果。