| Autor: |
Shu Li, Yong-Gang Bao, Rong-Hua Tian, Chun-Yang Meng, Hai-Bin Wang, Bin Wu, Xian-Min Bu |
| Jazyk: |
angličtina |
| Rok vydání: |
2024 |
| Předmět: |
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| Zdroj: |
BMC Musculoskeletal Disorders, Vol 25, Iss 1, Pp 1-8 (2024) |
| Druh dokumentu: |
article |
| ISSN: |
1471-2474 |
| DOI: |
10.1186/s12891-024-07990-1 |
| Popis: |
Abstract Objective This study aims to analyze the differences in mechanical stability of OTA/AO 31A1.3 intertrochanteric fractures under various reduction conditions. Methods Twenty standard synbone artificial femur test bones were selected for the OTA/AO 31A1.3 intertrochanteric fracture model. The models were divided into five groups according to their reduction state: positive support, neutral support, negative support, varus fixation, and valgus fixation, with four specimens in each group. All models were fixed using PFNA intramedullary fixation and subjected to static axial compression tests. The subsidence displacement of the proximal femur under different loads and the axial stiffness of the model were measured to verify the mechanical stability of the OTA/AO 31A1.3 intertrochanteric fracture under different reduction conditions. Results After the static axial compression test, the proximal femoral subsidence displacement in the positive support and neutral support groups was lower than that in the negative support, valgus fixation, and varus fixation groups (p |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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