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目的：探讨儿童股骨干骨折应用微创外固定器治疗效果。方法通过18例儿童股骨干骨折应用微创外固定治疗，均为闭合性骨折，采取闭合复位外固定器固定。结果随访时间10～18个月，平均13.5个月，全部病例达到骨性愈合，部分病例出现轻度膝关节活动受限，后期经随访全部恢复正常，无跛行。结论应用外固定器治疗儿童股骨干骨折效果好、微创、并发症少。“,”Objective To investigate the application of femoral shaft fractures in children minimal y invasive external fixator in the treatment ef ect. Methods:through 18 cases of minimal y invasive external fixation for the treatment of femoral shaft fracture in children, were closed fractures by closed reduction, external fixation. Results:the fol ow-up time ranged from 10 to 18 months, average 13.5 months, al cases obtained bone union, some patients had mild knee joint activities is limited, later fol owed by al return to normal, no claudication. Conclusion:the application of external fixator for the treatment of femoral shaft fracture in children with good ef ect, minimal y invasive, less complications.