To fix the fractured tibial shaft, various approaches have been employed. In this case, surgical approaches are often involved to maintain anatomical reduction and to prevent the development of devastating complications. Tibial shaft fractures account for approximately 15% of long bone fractures which usually occur as a result of road accidents caused by high-energy trauma. The peak stress of plates implanted on the medial side of the tibia was higher than that of plates on the lateral side, which indicated that the construct with medially implanted plate has a higher risk of implant failure. The integrity of the fibula improves the anti-vertical compression stability of the construct. While for models with plates on the lateral side of the tibia, the 12-hole plate demonstrated the optimal biomechanical stability. Conclusionsįor models with plates on the medial side of the tibia, the 14-hole plate is the best choice in terms of stability.
The peak stress and the displacement of models involved with the fibula were lower than that of models without fibula, regardless of the length or location of plates. The peak stress of plates implanted on the medial side of the tibia was higher than that of plates on the lateral side. In models with plates on the medial side of the tibia, displacement in models fixed with 14-hole plate showed the smallest value. In models with plates on the lateral side of the tibia, displacement in models fixed with a 12-hole plate showed the smallest value. The equivalent von Mises stress and displacement of the fractured ends were used as the output measures. An axial force of 2500 N was applied to simulate the axial compressive load on an adult knee during single-limb stance. MethodsĪ finite element model of the tibial shaft fracture was built. The purpose of this study is to investigate the impact of factors meaning the plate length, fibula integrity, and placement of the plate on the stability of tibial shaft fracture fixation. Locked plates with minimally invasive plate osteosynthesis techniques are used widely by surgeons. Tibial shaft fractures account for approximately 15% of long bone fractures.
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