To report the records of 185 patients in whom severe scoliosis had been treated with preoperative halo-pelvic distraction and following total spine osteotomy and internal fixation.

介绍头盆环牵引全脊柱截骨加内固定治疗重度脊柱弯曲的手术方法，并总结185例重度脊柱弯曲的治疗结果。

youdao

Objective: to investigate the stability of internal midface distraction in correction of severe maxillary hypoplasia secondary to cleft lip and palate.

目的：初步研究和评价内置式牵引器牵引成骨治疗上颌发育不全术后的稳定性。

youdao

This distraction resets the internal clock once again.

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