纽扣钢板弹性固定法重建桡尺远侧关节的生物力学实验  

Biomechanical Study on Elastic Suspension Fixation in the Reconstruction of the Distal Radioulnar Joint with Button Plates

作　　者：刘洪亮[1] 林晓东 刘健 汪鑫 孙培栋[3] 许树柴[1] LIU Hongliang;LIN Xiaodong;LIU Jian;WANG Xin;SUN Peidong;XU Shuchai(Guangdong Province Hospital of Traditional Chinese Medicine Affiliated to Guangzhou University of Chinese Medicine,Guangzhou 510105,China;Second Clinical Medical College of Guangzhou University of Chinese Medicine,Guangzhou 510405,China;Guangdong Provincial Key Laboratory of Medical Biomechanics,Southern Medical University,Guangzhou 510515,China)

机构地区：[1]广州中医药大学附属广东省中医院,广州510105 [2]广州中医药大学第二临床医学院 [3]南方医科大学广东省医学生物力学重点实验室

出　　处：《中国中医骨伤科杂志》2019年第12期1-4,共4页Chinese Journal of Traditional Medical Traumatology & Orthopedics

基　　金：2015广东省中医院院内专项课题(yn2015ms13);2016年广东省科学技术研究基金项目(2016110215812132)

摘　　要：目的:通过在尸体上模拟纽扣钢板悬吊固定治疗桡尺远侧关节脱位,观察使用钢板重建后关节的稳定性及抗疲劳性,探讨纽扣钢板重建桡尺远侧关节术式的可行性。方法:随机选取8具健康成年人完整的前臂标本,包括6个新鲜冰冻标本和2个防腐标本(用于预实验),选择合适的弹性固定材料,标本制备完成后进行生物性能动态分析,同组前后比较用配对t检验。结果:实验全过程无内固定断裂、骨折等发生,在同一状态下(旋前45°和旋后45°),发现各标本在疲劳实验前后各个节点所需扭矩的动态变化差异无统计学意义(P>0.05)。结论:使用纽扣骑跨钢板固定治疗桡尺远侧关节脱位,其生物力学性能可达到桡尺远侧关节暂时稳定性重建术式要求,为新术式进一步临床研究提供了生物力学实验数据支持。Objective:To observe the stability and fatigue resistance of the distal radial joint after reconstruction using this plate by simulating button plate suspension fixation on the cadaver.To investigate the feasibility of reconstruction of radial distal joint with button plate.Methods:Eight forearm samples of healthy adults including six fresh frozen samples and two embalmed samples were randomly selected to accept the fixation of suitable hanging materials.Biological performance was dynamically analyzed after the preparation of samples,paired t test was used to compared.Results:No internal fixation failure or fracture occurred during the whole experiment.In the same state(both in 45°before and 45°after spinning),there was no significant statistical difference in the dynamic change of torque required by each specimen at all time points before and after fatigue experiment(P>0.05).Conclusion:This experiment confirmed that the elastic suspension fixation in the reconstruction of the distal radioulnar joint with button plates may reached the request of the reconstruction of the distal radioulnar joint dislocation temporarily,providing a biomechanical experiment data support for further clinical research of this procedure.

关 键 词：纽扣骑跨钢板 弹性悬吊固定 桡尺远侧关节脱位 生物力学 

分 类 号：R318.01[医药卫生—生物医学工程]