Virtual anatomical reconstruction of large acetabular bone defects using a statistical shape model

Peter Vanden Berghe, Jan Demol, Frederik Gelaude and Jos Vander Sloten

Computer Methods in Biomechanics and Biomedical Engineering, 2017, vol. 20, issue 6, 577-586

Abstract: Custom implants are used to treat patients with large acetabular bone defects. To quantify the bone defect and to initialize the implant design, a virtual anatomical reconstruction of the bone needs to be performed. Our SSM-based reconstruction approach was used to overcome the limitations of the mirrored contralateral method and improves upon other SSM reconstruction techniques. The reconstruction errors for the acetabular direction, the hip joint center and the acetabular radius were, respectively: 3.1∘$ 3.1^{\circ } $, 2.6 mm and 0.7 mm. We believe that our method can be an essential tool in the planning and the design of custom implants.

Date: 2017
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DOI: 10.1080/10255842.2016.1265110

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