西安交通大学机械制造系统工程国家重点实验室,西安,710049
网络首发:2009-01-10,
纸质出版:2009
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王千 1, 刘亚雄 1, 杜如坤 1, 等. 利用布尔运算的定制化下颌骨替代物设计方法[J]. 西安交通大学学报, 2009,43(1):43-46.
Customized Design of Artificial Mandible Substitutes Based on Boolean Operation[J]. 2009, 43(1): 43-46.
为了使下颌骨替代物体具有特定的形状
并与相邻骨骼具有正确的相对位置和精确的连接方式
提出了利用布尔运算的定制化下颌骨重建方法.采用医用CT扫描的方法获得原始骨骼数据
从而保证了骨替代物的数据原始性以及与原骨骼形状的匹配性.以布尔运算为主要的重建设计手段
始终采用原始数据进行假体的设计
将STL的文件格式贯穿整个设计过程
从而避免了数据因格式转换而失真
确保了假体与原骨骼形状的匹配
使以人骨骼表面的自由曲面进行骨替代物的空间定位成为可能.该方法设计出来的人工下颌骨假体定位正确、连接精确
其形状与原骨骼匹配良好
因此可成功应用于临床实践.
To make the mandible substitutes remain ideal characters
a customized design of the mandible reconstruction based on the Boolean operation was proposed. The medical CT scan was used to obtain the original bone data to facilitate a prosthesis design. STL data format was adopted throughout the design process to avoid a format distortion due to data conversion and to ensure that the shape of the prosthesis and the original bone matched
which suggested it possible that the substitute spatial location was performed according to the free surface of human bone. This design scheme enable the mandible substitute to possess a specific shape
a correct relative position and a precise connection with a shape matching the original bone perfectly.
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