Methods: The patients of old fracture or those with comminuted fracture of surgical neck of humerus that failed with manual restoration were chosen.

• 方法：对手法复位失败的肱骨外科颈粉碎性骨折以及陈旧性骨折，行切开复位“T”型加压钢板内固定治疗，观察其成骨效果。