Patientenspezifische Modellierung des passiven Bewegungsapparates als Grundlage für die präoperative Abschätzung postoperativer Folgeerscheinungen des endoprothetischen Hüftgelenkersatzes

Proceedings of the 31st Symposium Design for X (DFX2020)

Year: 2020
Editor: Dieter Krause; Kristin Paetzold; Sandro Wartzack
Author: Scherb, David; Kurz, Marlene; Fleischmann, Christopher; Wolf, Alexander; Sesselmann, Stefan; Miehling, Jörg; Wartzack Sandro
Series: DfX
Institution: Engineering Design; Friedrich-Alexander-Universität Erlangen-Nürnberg; Institute for Medical Technology; Ostbayerische Technische Hochschule Amberg-Weiden
Section: User-Centred Design
Page(s): 1-10
DOI number: https://doi.org/10.35199/dfx2020.1

Abstract

During preoperative planning of total hip arthroplasty, the patients’ biomechanics is widely reduced to geometrical parameters. To provide the orthopedist more functional biomechanical parameters, a method is shown to model a patient-specific musculoskeletal human model via CT-/MRI-images in OpenSim. Main focus of this contribution is the setup of the passive musculoskeletal system. A generic human model and a segmented dataset of bones from the hip area serve as the basis for the modelling process. During the method the generic model is processed by scaling it to the anthropometry of the patient and adjusting subject-specific kinematics and shapes gathered from the segmented data. Finally, to reach the patient-specific representation the segmented bones are integrated into the model.

Keywords: Patient-specific modeling, Image-based model, Musculoskeletal human model, OpenSim, Total Hip Arthroplasty

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