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目的:总结和分析Mini Ilizarov外固定支架治疗开放性粉碎性指骨骨折的方法及疗效。方法:自2019年6月至2019年11月，我们对31例开放性粉碎性指骨骨折患者行Mini Ilizarov外固定术治疗。均为急诊手术。术后根据患者恢复情况逐步行手指功能锻炼，并记录骨折愈合时间及掌指关节、指间关节主动活动度(total active motion，TAM)。结果:术后所有患者均获得随访，时间为3～6个月，平均4.5个月。所有骨折均达到临床愈合，其中3例(9.7%)出现针道感染，对症处理后好转；2例(6.4%)出现关节僵硬，1例(3.2%)出现4°旋转畸形愈合。按TAM标准评定手功能：优24例，良4例，可3例，优良率为90.32%。结论:Mini Ilizarov外固定支架治疗开放性粉碎性指骨骨折，能有效提高骨折愈合率，促进患肢早期功能锻炼，是治疗开放性粉碎性指骨骨折值得推荐的方法之一。“,”Objective:To summarize and analyze the surgical method and clinical efficacy of Mini Ilizarov external fixation in the treatment of open comminuted phalangeal fractures.Methods:From June 2019 to November 2019, 31 patients with open comminuted phalangeal fractures were treated with Mini Ilizarov external fixation. All of them were emergency operations. According to the recovery of the patients, the finger function exercise was performed step by step, and the fracture healing time and the total active motion (TAM) of metacarpophalangeal joint and interphalangeal joint were recorded.Results:All the patients were follow-up for 3 to 6 months with an average of 4.5 months. All the fractures achieved clinical healing, including 3 cases (9.7%) with needle tract infection which recovered after symptomatic treatment, 2 cases (6.4%) with joint stiffness and 1 case (3.2%) with 4 ° rotation malunion. According to TAM standard, 24 cases were excellent, 4 cases were good and 3 cases were fair. The excellent and good rate was 90.32%.Conclusion:Mini Ilizarov external fixation in the treatment of open comminuted phalangeal fractures can effectively improve the fracture healing rate and promote the early functional exercise of the affected limb. It is one of the recommended methods for the treatment of open comminuted phalangeal fractures.