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Article · Applied Sciences · May 7, 2020

Three-Dimensional (3D) Model-Based Lower Limb Stump Automatic Orientation

Dmitrii Kaplun, Mikhail A. Golovin, Alisa R. Sufelfa, Саченков Оскар Александрович, К.К. Щербина, В. Э. Янковский

Dmitry Kaplun
Read on dx.doi.orgPDFDOI 10.3390/app10093253

Abstract

Modern prosthetics largely relies upon visual data processing and implementation technologies such as 3D scanning, mathematical modeling, computer-aided design (CAD) tools, and 3D-printing during all stages from design to fabrication. Despite the intensive advancement of these technologies, once the prosthetic socket model is obtained by 3D scanning, its appropriate orientation and positioning remain largely the responsibility of an expert requiring substantial manual effort. In this paper, an automated orientation algorithm based on the adjustment of the 3D-model virtual anatomical axis of the tibia along with the vertical axis of the rectangular coordinates in three-dimensional space is proposed. The suggested algorithm is implemented, tested for performance and experimentally validated by explicit comparisons against an expert assessment.

Prosthetics and Rehabilitation RoboticsAnatomy and Medical TechnologyAdditive Manufacturing and 3D Printing Technologieslower limb prostheticsprosthetic socket3D scanning

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