摘要目的 探讨数字外科技术在眼眶损伤重建中的临床应用价值.方法 对7例眼眶缺损患者采用CT扫描获取眶区数据,通过反求与快速原型、计算机辅助设计-计算机辅助制作(CAD-CAM)数字外科技术进行术前设计,在手术达到骨折精确复位的同时完成眼眶重建,并结合坚固内固定及Medpor 填充方法解决眶骨折变形、眼球内陷及复视等问题.结果 7例眼眶缺损患者均重建了眼眶形态,获得了理想的眶周轮廓恢复,4例眼球内陷得到矫治,2例复视术后无复发.结论 数字外科技术为眼眶重建的手术设计与实施提供了精确手段,可有效减少并发症,明显改善面部形态.

abstractsObjective To evaluate the application of digital surgical technology in reconstruction of orbital frame and assess the treatment outcomes. Methods Seven patients with post-traumatic orbital defect were included in this study. Images of the orbit were obtained for each individual through computed tomography(CT). Preoperative design was finished according to rapid prototyping, computer-aided design and computer-aided manufacturing(CAD-CAM) and other digital surgical techniques. Surgical fracture reductions with internal fixation and implant of Medpor were used in operation to reconstruct orbit as well as correct enophthalmos and diplopia. Results Accurate realignment of the displaced orbital rim was obtained in all the 7 patients,and enophthalmos and diplopia were corrected in 4 and 2 patients, respectively. Conclusions Digital techniques provide a precise means for preoperative design and operation implementation during orbital reconstruction. As a result, complications can be reduced, and the patient′s facial appearance can be maximally improved.