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http://dx.doi.org/10.7742/jksr.2021.15.5.585

Finite Element Analysis(fem) of The Fixed Position of the Velcro Band for the 3D Print Wrist Brace made using the Dicom File  

Choi, Hyeun-Woo (Kyungpook National University Hospital)
Seo, An-Na (Seeann Solution)
Lee, Jong-Min (Kyungpook National University Hospital)
Publication Information
Journal of the Korean Society of Radiology / v.15, no.5, 2021 , pp. 585-590 More about this Journal
Abstract
Wrist braces are being used for patients with wrist trauma. Recently, many studies have been conducted to manufacture custom wrist braces using 3D printing technology. Such 3D printing customized orthosis has the advantage of reflecting various factors such as reflecting different shapes for each individual and securing breathability. In this paper, the stress on the orthosis by the number and position of Velcro bands that should be considered when manufacturing a 3D printing custom wrist brace was analyzed. For customized orthosis, 3D modeling of the bone and skin regions was performed using an automatic design software (Reconeasy 3D, Seeann Solution) based on CT images. Based on the 3D skin area, a wrist orthosis design was applied to suit each treatment purpose. And, for the elasticity of the brace, a wrist brace was manufactured with an FDM-type 3D printer using TPU material. To evaluate the effectiveness according to the number and position of the Velcro band of the custom 3D printed wrist brace, the stress distribution of the brace was analyzed by the finite element method (FEM). Through the finite element analysis of the wrist orthosis performed in this study, the stress distribution of the orthosis was confirmed, and the number and position of the orthosis production and Velcro bands could be confirmed. These experimental results will help provide quality treatment to patients.
Keywords
Wrist Brace; Computed Tomography(CT); 3D Printing; STL File(STL); FEM;
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