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目的:探讨使用3D打印技术在儿童复杂性Pilon骨折的治疗效果。方法:选取本院1例儿童复杂Pilon骨折,进行术前CT扫描并三维重建,采集相应数据,导入Mimics软件生成三维重建的踝关节模型,使用Geomagic软件建模制备模型文件,在模型上评估骨折移位情况,设计手术复位入路、方向,模拟骨折复位,并在模型上设计内固定方式,然后实施实际手术治疗,并对实施方案进行评估。结果:患儿手术均按照术前设计方案实施完成,采用的内固定材料及手术方法均与术前设计相同,术后复查X线片显示关节面恢复平整,骨折复位,固定稳固。结论:对于复杂的Pilon骨折,依据三维CT检查及计算机模型制备,制定个体化治疗方案,具有精准定位、组织损伤小、固定稳妥、手术时间短、并发症少、射线暴露少等作用,值得广泛应用。
Objective: To investigate the therapeutic effect of 3D printing technique on Pilon fractures in children. Methods: One child with complicated Pilon fracture in our hospital was selected for preoperative CT scan and three-dimensional reconstruction. The corresponding data were collected and imported into Mimics software to generate three-dimensional reconstructed ankle joint model. Geomagic software was used to prepare the model file to evaluate the fracture Displacement, the design of surgery to reset the approach, direction, simulate the fracture reduction, and the design of the model of internal fixation, and then the implementation of the actual surgical treatment, and the implementation of the program to assess. Results: The operation of the children was completed according to the preoperative design plan. The internal fixation materials and operation methods were the same as the preoperative design. The postoperative X - ray showed that the articular surface was flattened, the fracture was reset and the fixation was firm. Conclusion: For complex Pilon fractures, based on three-dimensional CT examination and computer model preparation, individualized treatment plans are formulated with the advantages of precise positioning, small tissue damage, stable fixation, short operative time, less complications and less radiation exposure. application.