[Comparison of curative effect between F-shaped hollow screw and traditional three parallel screws in the treatment of Pauwels type Ⅲ femoral neck fracture].

The short-term and medium-term effects of F-shaped and traditional inverted triangle three parallel screws in the treatment of young and middle-aged Pauwels Ⅲ femoral neck fractures are similar, but the nail withdrawal rate of F-shaped hollow screw is low.