Abstract
Background
There has been no absolute consensus on the optimal implant for fixation of medial clavicle fracture. The purpose of the present study was to test the biomechanical efficacy of inverted lateral clavicle locking compression plate (LCP-LC) in fixation of this specific fracture location by finite element analysis.
Methods
Transverse and comminuted medial clavicle fracture simulated models stabilized by three different devices including inverted LCP-LC, superior clavicle LCP (LCP-SC), and dual reconstruction (LCP-RP) with LCP-SC were investigated biomechanical performance under three loading conditions, i.e., axial compression, inferior bending, and axial torsion.
Results
EQV stress exhibited on implant and elastic strain at fracture site under inferior bending was greater than other loading cases. LCP-SC construct represented the greatest EQV stress and elastic strain. The inverted LCP-LC construct demonstrated lower EQV stress than the LCP-SC construct and was comparable to dual plating. Under axial compression and axial torsion, elastic strain produced from the inverted LCP-LC construct was comparable to dual plating, but greater than dual plating when subjected to inferior bending.
Conclusion
By the results of FE analysis, inverted LCP-LC could be a potential application for fixation of clavicle fracture with short medial fragment.
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Data availability
The datasets generated during the current study are available from the corresponding author on reasonable request.
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AK, SJ, and NC were involved in drafting and revising the manuscript for content, including the medical writing for the content, the study concept and design, the analysis and interpretation of the data, as well as the acquisition of the data. KA, AG, CP, and PD were involved in revising the manuscript for content as well as the analysis and interpretation of the data.
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A. Kritsaneephaiboon, S. Jitprapaikulsarn, *N. Chantarapanich, P. Klabklay, A. Gromprasit, C. Patamamongkonchai, and P. Dissaneewate declare that they have no conflict of interest.
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Kritsaneephaiboon, A., Jitprapaikulsarn, S., Chantarapanich, N. et al. The application of inverted lateral clavicle locking compression plate for medial clavicle fractures: biomechanical study and clinical implementation. Eur J Orthop Surg Traumatol 34, 1465–1478 (2024). https://doi.org/10.1007/s00590-023-03826-1
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DOI: https://doi.org/10.1007/s00590-023-03826-1