ArticleAmerican journal of translational research2026
Finite element analysis of minimally invasive osteotomy fixation using oblique hollow headed compression screws and K-wires for hallux valgus osteotomy.
Article in American journal of translational research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo investigate the biomechanical fixation characteristics after osteotomy for hallux valgus using K-wires and oblique hollow headed compression screws through finite element analysis (FEA).
methodsFoot computed tomography (CT) data from a female patient with hallux valgus were collected and imported into Mimics 21.0 software to create a three-dimensional (3D) model. The model was then refined using Geomagic 2021 software, followed by simulation of surgical procedures (including osteotomy and internal fixation) in SolidWorks 2021. The specimens were divided into two groups: Group A fixed with K-wires, and Group B fixed with oblique hollow headed compression screws. The models were imported into ANSYS software for meshing, material assignment, and data analysis. Displacements and stress distributions under different loading conditions were compared between the two groups.
resultsUnder two different load conditions, the following findings were observed: ① The maximum displacement of the first metatarsal in the hollow headed compression screw group was less than that of the K-wire group. ② The maximum displacement and maximum stress of the internal fixation device in the screw group were less than those of the K-wire group. The hollow headed compression screw provided superior lateral and vertical stability compared to K-wires. ③ The maximum stress on the osteotomy surface of the first metatarsal in the screw group was greater than that in the K-wire group, indicating better compression at the osteotomy site with the screw.
conclusionOverall, fixation with oblique hollow headed compression screws exhibited better biomechanical performance and fixation stability for osteotomy in hallux valgus correction.
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