Artnaseaw A.Nabudda K.Boonrod A.Pannucharoenwong N.Treerat S.Booprempree N.Hemathulin S.Mahidol University2025-09-222025-09-222025-06-01Engineered Science Vol.35 (2025)2576988Xhttps://repository.li.mahidol.ac.th/handle/123456789/112161Clavicle implant models were accurately engineered in this study to simulate the stiffness features of an external locking compression plates (LCP) fixator used in managing mid-shaft clavicle fractures. The research systematically assessed 4-screw, 6-screw, and 8-screw configurations under varying load conditions, including axial compression, torsion, and 4-point bending. The results underscore the biomechanical superiority of the 6-screw configuration, which demonstrated enhanced stiffness values of 124.39 N/mm in axial compression, 322.71 N.mm/degree in torsion, and 1,023.02 N/mm in 4-point bending. These findings surpass those associated with unilateral methods, where stiffness values range from 117 to 126 N/mm under axial compression. The study offers critical insights into the optimization of fracture management, positing that the 6-screw configuration provides considerable biomechanical advantages. Surgeons can use these findings to make informed decisions about screw configurations, potentially improving clinical outcomes by reducing hospitalization periods, re-operation rates, and complication risks. This research contributes to more effective resource management in the surgical treatment of midshaft clavicle fractures.MathematicsMaterials ScienceEnergyChemistryComputer ScienceEngineeringArticleSCOPUS10.30919/es15962-s2.0-10501571063525769898