Abstract
This study was set to introduce a new intramedullary fixation, explore its biomechanical properties, and provide guidance for further biomechanical experiments. With the help of CT scans and finite element modeling software, finite element model was established for a new intramedullary fixation and intramedullary nailing of femoral shaft fractures in a volunteer adult. By finite element analysis software ANSYS 10.0, we conducted 235–2,100 N axial load, 200–1,000 N bending loads and 2–15 Nm torsional loading, respectively, and analyzed maximum stress distribution, size, and displacement of the fracture fragments of the femur and intramedullary nail. During the loading process, the maximum stress of our new intramedullary fixation were within the normal range, and the displacement of the fracture fragments was less than 1 mm. Our new intramedullary fixation exhibited mechanical reliability and unique advantages of anti-rotation, which provides effective supports during fracture recovery.
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Liu, Cc., **ng, Wz., Zhang, Yx. et al. Three-Dimensional Finite Element Analysis and Comparison of a New Intramedullary Fixation with Interlocking Intramedullary Nail. Cell Biochem Biophys 71, 717–724 (2015). https://doi.org/10.1007/s12013-014-0254-4
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DOI: https://doi.org/10.1007/s12013-014-0254-4