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Jerosch, Jörg; Filler, Timm J.; Koch, Franz; Kälicke, T.; Babisch, J.; Ishaque, Bernd; Lewinski, Gabriele; Plaumann, Thorsten; Horst, Frank van der; Rehbein, Philipp; Schneider, Michael; Kutzner, Karl Philipp; Pfeil, Joachim

doi:10.1007/978-3-662-52744-3_1

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2022

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“…Joint replacement occupies an essential part of medical technology-based treatments, which provide significant socioeconomic costs (Jerosch et al, 2017). For example, an estimated 450,000 endoprosthetic procedures were performed in Germany in 2019, primarily on the hip and knee (Grimberg et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Density-Based Topology Optimization for a Defined External State of Stress in Individualized Endoprosthesis

2022

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Endoprosthesis are exposed to the risk of aseptic loosening. The design of the prosthesis shaft to achieve physiological force application is therefore of great importance. Additive manufacturing offers the potential to fabricate highly variable topologies, but challenges the designer with a large number of design variables. In this work, a method is developed to determine an optimized density topology that approximates a given mechanical stress state in the bone after implantation. For this purpose, a topology optimization of the density distribution of the implant is performed.

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Section: Introductionmentioning

confidence: 99%