Quantifying osteosynthesis plate prominence – mathematical definitions and case study on a clavicle plate

Martin Zenker, Evangelos Theodorou, Daniel Andermatt, Ralf Winkler, Harry A. Hoyen, Martin Jaeger, Chunyan Jiang, Simon Lambert, Stefaan Nijs and Arabella D. Fontana

Computer Methods in Biomechanics and Biomedical Engineering, 2023, vol. 26, issue 8, 917-926

Abstract: Hardware prominence remains a clinical challenge in focus for implant design in subcutaneous plate applications. Existing evaluation of hardware prominence relies on plate-to-bone distance at a single point or on average. A reproducible measure for plate prominence remains undefined. This study mathematically defines the plate prominence linked to the cross-sectional area change due to the plate presence on the bone. Two anatomical plate designs were fitted to 100 clavicles, and afterwards plate prominence parameters were evaluated and compared. This methodology enables the quantification of hardware prominence for different plate designs to inform the development of implants targeting low prominence.

Date: 2023
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DOI: 10.1080/10255842.2022.2098676

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