Methods : by using computer reconstruction , we applied the cad / cam to develop a new generation of the total pelvic prosthesis , and to fix it with the vertebral pedicle screw 方法:應(yīng)用計(jì)算機(jī)三維重建、個(gè)體化設(shè)計(jì)及數(shù)控制造技術(shù)研制新一代的人工半骨盆,應(yīng)用椎弓根螺釘固定假體,將新型人工半骨盆置換入人體。