Finite element analysis of restoring length with multiple internal fixations in calcaneal body fracture
Abstract Calcaneal body fractures are often associated with varying degrees of shortening deformities. Restoring calcaneal length is crucial for the functional prognosis of the foot. Through finite element analysis, this study compared the biomechanical effects of multiple fixation schemes for calca...
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Nature Portfolio
2024-10-01
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| Online Access: | https://doi.org/10.1038/s41598-024-75267-7 |
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| author | Xiang Yao Peiqi Ding Chong Wang Han Miao Yicong Chao Jiawei Wang Minjie Hu Jilei Tang |
| author_facet | Xiang Yao Peiqi Ding Chong Wang Han Miao Yicong Chao Jiawei Wang Minjie Hu Jilei Tang |
| author_sort | Xiang Yao |
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| description | Abstract Calcaneal body fractures are often associated with varying degrees of shortening deformities. Restoring calcaneal length is crucial for the functional prognosis of the foot. Through finite element analysis, this study compared the biomechanical effects of multiple fixation schemes for calcaneal fractures. We delineated and assembled the finite element model of the Sanders type II calcaneal fracture and four internal fixation simulations (namely distraction screw, lag screw, frame locking plate, and T-shaped locking plate). Different axial forces (350, 700, and 1400 N) were then applied to simulate various postures. We then compared the inner and outer shortening distances (D1 and D2, respectively), equivalent von Mises stress, and maximum von Mises stress of the calcaneus. In the individual model, with an increase in the pressure, D1, D2, and the maximum von Mises stress gradually increased. At 1400 N, D1 and D2 for the internal fixation schemes were as follows: distraction screw (0.03 mm, 0.1 mm) < T-shaped locking plate (0.45 mm, 0.26 mm) < frame locking plate (0.50 mm, 0.26 mm) < lag screw (0.66 mm, 0.64 mm). The maximum von Mises stress values for the internal fixation methods were as follows: lag screw (491.0 MPa) < distraction screw (663.1 MPa) < frame locking plate (772.7 MPa) < T-shaped locking plate (931.8 MPa). In patients with calcaneal body fractures, the distraction screw is a potential therapeutic option for resisting calcaneal shortening. |
| format | Article |
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| institution | Kabale University |
| issn | 2045-2322 |
| language | English |
| publishDate | 2024-10-01 |
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| spelling | doaj-art-1aa6ceea8b6e4d70add7f5208fb7d3fe2025-02-09T12:38:09ZengNature PortfolioScientific Reports2045-23222024-10-0114111110.1038/s41598-024-75267-7Finite element analysis of restoring length with multiple internal fixations in calcaneal body fractureXiang Yao0Peiqi Ding1Chong Wang2Han Miao3Yicong Chao4Jiawei Wang5Minjie Hu6Jilei Tang7Department of Orthopaedics, The Affiliated People’s Hospital of Jiangsu UniversityJiangsu UniversityDepartment of Orthopaedics, The Affiliated People’s Hospital of Jiangsu UniversityDepartment of Orthopaedics, The Affiliated People’s Hospital of Jiangsu UniversityDepartment of Orthopaedics, The Affiliated People’s Hospital of Jiangsu UniversityDepartment of Orthopaedics, The Affiliated People’s Hospital of Jiangsu UniversityDepartment of Orthopaedics, The Affiliated People’s Hospital of Jiangsu UniversityDepartment of Orthopaedics, Qidong Hospital of Traditional Chinese MedicineAbstract Calcaneal body fractures are often associated with varying degrees of shortening deformities. Restoring calcaneal length is crucial for the functional prognosis of the foot. Through finite element analysis, this study compared the biomechanical effects of multiple fixation schemes for calcaneal fractures. We delineated and assembled the finite element model of the Sanders type II calcaneal fracture and four internal fixation simulations (namely distraction screw, lag screw, frame locking plate, and T-shaped locking plate). Different axial forces (350, 700, and 1400 N) were then applied to simulate various postures. We then compared the inner and outer shortening distances (D1 and D2, respectively), equivalent von Mises stress, and maximum von Mises stress of the calcaneus. In the individual model, with an increase in the pressure, D1, D2, and the maximum von Mises stress gradually increased. At 1400 N, D1 and D2 for the internal fixation schemes were as follows: distraction screw (0.03 mm, 0.1 mm) < T-shaped locking plate (0.45 mm, 0.26 mm) < frame locking plate (0.50 mm, 0.26 mm) < lag screw (0.66 mm, 0.64 mm). The maximum von Mises stress values for the internal fixation methods were as follows: lag screw (491.0 MPa) < distraction screw (663.1 MPa) < frame locking plate (772.7 MPa) < T-shaped locking plate (931.8 MPa). In patients with calcaneal body fractures, the distraction screw is a potential therapeutic option for resisting calcaneal shortening.https://doi.org/10.1038/s41598-024-75267-7Internal fixationCalcaneal fractureShortening deformityLocking plateFinite element analysisDistraction screw |
| spellingShingle | Xiang Yao Peiqi Ding Chong Wang Han Miao Yicong Chao Jiawei Wang Minjie Hu Jilei Tang Finite element analysis of restoring length with multiple internal fixations in calcaneal body fracture Scientific Reports Internal fixation Calcaneal fracture Shortening deformity Locking plate Finite element analysis Distraction screw |
| title | Finite element analysis of restoring length with multiple internal fixations in calcaneal body fracture |
| title_full | Finite element analysis of restoring length with multiple internal fixations in calcaneal body fracture |
| title_fullStr | Finite element analysis of restoring length with multiple internal fixations in calcaneal body fracture |
| title_full_unstemmed | Finite element analysis of restoring length with multiple internal fixations in calcaneal body fracture |
| title_short | Finite element analysis of restoring length with multiple internal fixations in calcaneal body fracture |
| title_sort | finite element analysis of restoring length with multiple internal fixations in calcaneal body fracture |
| topic | Internal fixation Calcaneal fracture Shortening deformity Locking plate Finite element analysis Distraction screw |
| url | https://doi.org/10.1038/s41598-024-75267-7 |
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