[Clinical application of dynamic locking screw in treating humeral shaft fracture].

Objective: To compare clinical effect of dynamic locking screws and common screws in treating humeral shaft fractures.

Methods: From January 2016 to October 2018, clinical data of 46 patients with humeral shaft fracture were retrospectively analyzed, which were divided into dynamic locking screw internal fixation group (treatment group) and ordinary screw internal fixation group (control group). In treatment group, there were 14 males and 10 females, aged from 20 to 61 years old with an average of (36.