AIM:To compare the therapeutic effects of swan like memory connector(SMC) and dynamic compression plate(DCP) on humeral shaft fracture from the view of radiography.

• 目的:从影像学角度对天鹅记忆接骨器(SMC)与动力加压钢板(DCP)治疗肱骨干骨折的疗效进行对比研究。