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Establishment of a "central zone" in the scaphoid bone by computer analysis of three-dimensional reconstructions of computed tomography imaging and selection of central location of the scaphoid screw
Pages: 686-689
Year: Issue:  5
Journal: Journal of Peking University(Health Sciences)

Abstract: 目的:通过对舟骨螺旋CT三维影像的空间形态作数据分析,在舟骨内找到一个区域,当舟骨骨折后固定骨折的螺钉的轴线位于此区域内时,此螺钉可以被认为在舟骨中是居中的,这个区域被称为舟骨的中央区.方法:收集20例正常舟骨的螺旋CT数据,利用计算机手术计划与模拟软件VxWork中的“回缩”功能,将舟骨的三维重建影像向内均匀回缩,直至腰部为原舟骨腰部大小的1/3,之后再向内均匀回缩1.5mm后得到一个新的三维影...
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