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Three Dimensional CT Reconstruction System on a Personal Computer Eiju WATANABE 1 , Takafumi IDE 1 , Akira TERAMOTO 1 , Yoshiaki MAYANAGI 1 1Department of Neurosurgery, Tokyo Keisatsu Hospital Keyword: Three dimensional reconstruction , CT , Personal computer , Voxel model , Simulation pp.247-253
Published Date 1991/3/10
DOI https://doi.org/10.11477/mf.1436900229
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Abstract

A new computer system to produce three dimension-al surface image from CT scan has been invented. Although many similar systems have been already de-veloped and reported, they are too expensive to be set up in routine clinical services because most of these systems are based on high power mini-computer sys-tems. According to the opinion that a practical 3D-CT system should be used in daily clinical activities using only a personal computer, we have transplanted the 3D program into a personal computer working in MS-DOS (16-bit, 12 MHz) . We added to the program a routine which simulates surgical dissection on the surface image. The time required to produce the surface image ranges from 40 to 90 seconds. To facilitate the simula-tion, we connected a 3D system with the neuronaviga-tor. The navigator gives the position of the surgical simulation when the surgeon places the navigator tip on the patient's head thus simulating the surgical exci-sion before the real dissection.


Copyright © 1991, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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