利用天鹅记忆接骨器改进植骨方式治疗骨不连134例

134 cases of nonunion treated by modified bone grafting models with swan shape memory connector

目的探索改进四肢骨不连的植骨新方法。方法根据镍钛形状记忆接骨器的特点,设计以夹板式、加垫式、播种式为特征的有效植骨方法。共治疗134例148根四肢骨不连。结果术后随访5.5月～6年,平均2.25年。术后平均3.5个月,骨不连端呈类板样骨性愈合。骨折愈合率99.3%。结论作者改进的有效植骨方式为治疗骨不连提供了一种新而有效的方法。

Objective To research on the new technique and method of bone grafting for nonunion of four limbs. Methods A new method of bone grafting was developed to take advantage of Nitinol Shape Memory Connector. It included splinting mode, padding mode and seeding mode. 148 cases of bone nonunion in 134 patients were treated with the modified method. Results The patients were followed up for 5.5 months to 6 years, with an average period of 2.25 years. On the average, the nonunion healed with lamellar bone 3.5 months after the operation. The healing rate was 99.3% . Conclusion The author s modified bone grafting provides a new and efficacious method for treatment of the limb nonunion.