一种基于PC的三维医学图像实时手术模拟系统  

A real-time operation simulation system of 3D medical image based PC

作　　者：李晶[1] 江贵平[1] 李树祥[1] 周猛[1] 杨斌[2] 

机构地区：[1]第一军医大学生物医学工程系全军医学图像重点实验室,广东广州510515 [2]中山医科大学孙逸仙纪念医院口腔科

出　　处：《第四军医大学学报》2000年第12期1540-1542,共3页Journal of the Fourth Military Medical University

摘　　要：从 CT MRI等产生系列断层图像重建三维实体 ,并在实体上进行外科手术模拟从而达到计算机仿真外科手术 ;作者提出一种基于 PC的三维医学图像实时手术模拟系统 .本系统运用表面显示算法完成了基于 PC的将系列断层图像快速重建 .利用 OPGL进行三维显示 .将面转化为线再细分为点的思想实现了三维体数据的交互分割 .将测量点投影到体数据从而定位出体数据的坐标完成实体距离、角度、面积和体积的三维真实测量并建立解剖数据库 ;该系统实现了三维图像上的任意方位切骨、测量、移动、旋转、三维任意断面切割显示 。To emulate operation on the computer, The paper propose a real-time operation simulation system based PC by manipulation 3D medical images was reconstructed from a series of two-dimensional images produced by computerized tomography, magnetic resonance images, etc. Surface rendering algorithm was applied to 3D reconstruction and OPGL program was applied to the display of 3D medical images rapidly in the system. The paper also proposes the idea of the plane segregated to lines and line segregated any more points, which realized efficiently projection from 2D to 3D coordinate thereby to compete 3D data segment through interaction on 2D plane. By projection of the points desired we completed 3D authentic measurements including length, angle, area, volume and building human being dissection 3D database. The system has achieved such functions as rotation, translation, displaying arbitrary cross-section, osteotomy of arbitrary orientation and 3D authentic measurements. With the system, It is possible to apply in craniofacial surgery, complex fractures, heart volume measurement, and in understanding the geometry in cases that are difficult to interpret from the 2D slices. The result of applying the system to oral and maxillofacial surgery illuminates its validity.

关 键 词：手术模拟 三维重建 三维显示 三维切骨 三维测量 

分 类 号：R318[医药卫生—生物医学工程]