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Biomechanical Analysis of Personalised 3D-Printed clavicle plates of Different Materials to Treat Midshaft clavicle Fractures

引用

Journal of Shanghai Jiaotong university(Science) 2021年第3期26卷 259-266页

作者： CHENG Rongshan JIANG Ziang DIMITRIOU Dimitriou GONG Weihua TSAI Tsung-Yuan School of Biomedical Engineering&Med-X Research Institute Shanghai Jiao Tong UniversityShanghai200030China Department of Orthopaedic Surgery Shanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineShanghai200011China Department of Orthopedics Bürgerspital SolothurnSchöngrünstrasse 42CH-4500SolothurnSwitzerland

This study was aimed at comparing the biomechanical performance of personalised 3D-printed clavicle plates of different materials to treat midshaft clavicle fractures with the finite element(FE)*** FE model of a fractured clavicle with a personalised 3D-printed clavicle plate and screws was *** types of materials were simulated,including stainless steel,titanium alloy,and magnesium *** loading conditions(axial compression and inferior bending)were applied at the distal end of the clavicle to simulate arm *** stiffness,peak stress,and bone strain at the clavicle fracture site were measured and *** stiffness of the stainless steel clavicle plate was significantly greater than that of the titanium alloy clavicle *** stiffness of the magnesium alloy clavicle plate was similar to that of the intact clavicle;peak stress of the magnesium alloy clavicle plate was the lowest;thus,it had less stress-shielding effects on bone *** magnesium alloy clavicle plate was more likely to form bone by distributing proper strain at the clavicle fracture *** to the influence of different materials on the tensile strength,magnesium alloy clavicle plates might be preferred owing to their bionic stiffness in the treatment of patients with a low risk of *** patients who engage in contact sports,a titanium alloy clavicle plate might be more suitable.

关键词： personalised treatment 3D printing clavicle plate biomechanical analysis

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