英语语法分析

We have designed a dynamic external fixator to treat these fractures.

我们设计了一种动态外固定器治疗这些骨折。

Objective To evaluate the effect of unilateral hooked sulcated external fixator(UHSEF) in fractures.

目的探讨单侧钩槽式外固定器（UHSEF）在治疗骨折中的疗效。

Wrist flexion, radial deviation, and pronation-supination were regained significantly faster in the dynamic fixator group.

在腕屈、桡偏、旋前和旋后方面，动态固定器组恢复更快。