而单纯支架组8周骨折线消失，缺损处有大量骨性骨痂包绕，12周骨皮质连续，骨塑形较差，髓腔未通。
While in material of natural bone group, fracture line disappeared after 8 weeks with dense bone callus at the site of bone defects, and by 12 weeks bone marrow still not recanalized.
结论骨痂延长术是治疗肱骨大段骨缺损性骨不连较好方法。
Conclusions Callus lengthening is a good technique for humeral large segment defect nonunion.
方法应用带锁髓内钉植入后进行骨痂延长术修复21例因化脓性骨髓炎导致的股骨骨缺损。
Methods 21 cases of femoral defects following children osteomyelitis were treated with callus lengthening after interlocking nail implantation.
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