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J Biomech. 2009 Aug 25;42(12):2006-9. doi: 10.1016/j.jbiomech.2009.05.007. Epub 2009 Jun 5.

Alternative solution of virtual biomodeling based on CT-scans.

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  • 1Movement Science Group Vienna, University of Veterinary Medicine, 1210 Vienna, Austria. Martin.Groesel@vu-wien.ac.at

Abstract

In this paper, an alternative method is presented to convert computed tomography (CT)-scans into 3D biomodels. The CT-data of an equine spine was converted into TIF format to work with it in a 2D CAD program. Then the bony structure has been marked manually with closed splines and saved as IGS files for the next procedure with 3D CAD software to create virtual biomodels of every single bone. Therefore, the different layers of the CT-scans were positioned in correct distance and then a closed surface was created to cover all spline-curves. Finally, the cover was filled up with material to create a solid part. This method can be recommended as an alternative way, if CAD software is available only. Especially, if it is necessary to add extra artificial spline-curves to split two or more bones which were unnaturally grown together, working with 3D CAD software is the right solution.

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