Design and development of anatomical model using CT imaging and rapid prototyping tools: application of medical CAD operations
by Boppana V. Chowdary; Nishkal George; Ejaz Ali
International Journal of Image Mining (IJIM), Vol. 4, No. 2, 2023

Abstract: The training of medical personnel requires specialised anatomical imaging and referencing tools. However, generic tools for visualising patient anatomy lack sustainability in terms of materials, cost, and environmental impact. In response, the design and development of a sustainable 3D femur bone model from computed tomography (CT) data was proposed as a tool for relaying patient-specific anatomical knowledge. The study utilised two sophisticated medical computer aided design (CAD) programs; mimics 16 and the 3-matic module, along with a Taguchi design plan. The three parameters 'wrap', 'hollow' and 'smooth' were varied systematically after segmentation of CT images in mimics. The nine experimental STL models generated were subjected to an in-depth virtual analysis of STL issues and manufacturing criteria. The study revealed experiment eight to be the optimum design, based on STL model quality and resource usage, while retaining anatomical accuracy. The optimal model was then prototyped using a rapid prototyping (RP) machine.

Online publication date: Tue, 18-Jul-2023

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