Feasibility study applying a parametric model as the design generator for 3D-printed orthosis for fracture immobilization

3D Printing in Medicine
Jianyou Li, Hiroya Tanaka

Abstract

Applying 3D printing technology for the fabrication of custom-made orthoses provides significant advantages, including increased ventilation and lighter weights. Currently, the design of such orthoses is most often performed in the CAD environment, but creating the orthosis model is a time-consuming process that requires significant CAD experience. This skill gap limits clinicians from applying this technology in fracture treatment. The purpose of this study is to develop a parametric model as the design generator for 3D-printed orthoses for an inexperienced CAD user and to evaluate its feasibility and ease of use via a training and design exercise. A set of automatic steps for orthosis modeling was developed as a parametric model using the Visual Programming Language in the CAD environment, and its interface and workflow were simplified to reduce the training period. A quick training program was formulated, and 5 participants from a nursing school completed the training within 15 mins. They verified its feasibility in an orthosis design exercise and designed 5 orthoses without assistance within 8 to 20 mins. The few faults and program errors that were observed in video analysis of the exercise showed improvable weaknesses caus...Continue Reading

References

Feb 24, 2001·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·R BibbA Bocca
Feb 14, 2008·IEEE Transactions on Bio-medical Engineering·Mario C FaustiniSteven J Stanhope
May 15, 2010·International Journal of Computer Assisted Radiology and Surgery·F RengierF L Giesel
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Jan 22, 2013·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Mika SalmiAntti Mäkitie

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Citations

Jan 1, 2020·Assistive Technology : the Official Journal of RESNA·Chih-Hsing ChuChien-Hsiou Liu
Oct 7, 2020·Materials·Krzysztof ŁukaszewskiFilip Górski
Dec 31, 2020·Bioengineering·Athar AliWerner Schmölz
Sep 5, 2021·Medical Engineering & Physics·Che-Wei HuToh Yen Pang

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Methods Mentioned

BETA
imaging techniques

Software Mentioned

Lines
Dynamo
Grasshopper
Rhino 3D
Rhino
Grasshopper 360
Grasshopper 3D
Visual Language

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