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Computer-Aided Design and Applications (ISSN 1686-4360) is an independent, international peer-reviewed technical journal dedicated to the applications of computer-aided design and manufacturing.
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Volume 7  Number 1  Pages 153-161
Development of 3D Kinematic Model of the Spine for Idiopathic Scoliosis Simulation

Sasa Cukovic, Goran Devedzic and Lozica Ivanovic, Faculty of Mecahnical Engineering Kragujevac
Tanja Zecevic Lukovic, Faculty of Medicine Kragujevac
K. Subburaj, Indian Institute of Technology Bombay

Abstract. This paper presents a methodology for developing kinematic model of the human scoliosis simulator using 3D models of spinal vertebrae reconstructed from point clouds. The main objectives of the work are (i) to reduce the number of spinal radiographs required for measuring idiopathic spinal deformities, the most common spine deformity (more than 80% of cases) at adolescents and (ii) improve the visualization and measurement for better treatment planning. The reconstructed 3D model is parameterized and used as a reference model for creating patient-specific anatomical models based on dimensions extracted from radiographic images (Cobb angle and dislocation of vertebrae). The methodology has been implemented and demonstrated with a case study.

Keywords: point clouds, kinematic model of spine, 3D idiopathic scoliosis simulator.

DOI: 10.3722/cadaps.2010.153-161
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