新型后踝低切迹解剖型接骨板的设计和生物力学研究

doi:10.13418/j.issn.1001-165x.2026.4.11

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中国临床解剖学杂志 ›› 2026, Vol. 44 ›› Issue (4) : 441-447. DOI: 10.13418/j.issn.1001-165x.2026.4.11

临床生物力学

新型后踝低切迹解剖型接骨板的设计和生物力学研究

陈可¹，孙景福^1,2*，朱顺²，吴任涛²，王湘伟²，潘练²，方剑明²，袁嘉尧²

作者信息 +

Design and biomechanical study of a novel low-profile anatomical plate for the posterior malleolus

Chen Ke¹, Sun Jingfu ^1,2*, Zhu Shun², Wu Rentao², Wang Xiangwei², Pan Lian², Fang Jianming², Yuan Jiayao²

Author information +

文章历史 +

摘要

目的设计研发新型后踝低切迹解剖型接骨板，分析其生物力学特性。方法取东莞市厚街医院2018年4月至2021年5月影像科数据库中100例无骨折的踝关节CT扫描三维重建数据，获得后踝解剖学参数，设计后踝骨折专用解剖型低切迹接骨板（下称新型后踝接骨板）。使用12具成年人踝关节尸体标本制作后踝骨折模型，按照CT值分为2组，将新型后踝接骨板与传统后踝T型接骨板（下称对照接骨板）分别固定于后踝骨折模型上，并进行生物力学测试、分析实验数据。通过计算机三维有限元技术，建立新型后踝接骨板固定模型与对照接骨板固定模型，并对模型进行生物力学分析。结果生物力学测试结果显示，与对照接骨板相比，新型后踝接骨板在垂直压载、扭转试验上的表现未见统计学差异（P>0.05），在最大载荷试验中的表现有统计学差异（P<0.05）；有限元分析证实，新型后踝接骨板生物力学稳定性明显优于对照接骨板，且新型后踝接骨板的骨面贴合程度更好，操作便利，螺钉置入关节内风险低。结论新型后踝低切迹解剖型接骨板具有良好的解剖匹配，操作方便，生物力学性能更优。

Abstract

Objective To design and develop a novel low-profile anatomical plate for posterior malleolus, and analyze its biomechanical properties. Methods Three-dimensional reconstructed CT data of 100 cases of non-fractured ankles from April 2018 to May 2021 in the imaging database of Dongguan Houjie Hospital were collected to obtain posterior malleolus anatomical parameters. A dedicated low-profile anatomical plate for posterior malleolus fracture (referred to as the novel posterior malleolus plate) was designed. Twelve adult ankle cadaver specimens were used to establish posterior malleolus fracture models and divided into two groups according to CT values. The novel posterior malleolus plate and the conventional T-shaped posterior malleolus plate (control plate) were fixed respectively, followed by biomechanical testing and data analysis. Three-dimensional finite element analysis was performed to compare the biomechanical characteristics between the novel plate fixation model and the control plate fixation model. Results Compared with the control plate, biomechanical tests showed there were no significant differences in vertical compression and torsion tests in the novel plate (P>0.05), while significant difference was observed in maximum load test (P<0.05). Finite element analysis confirmed that the novel posterior malleolus plate exhibited significantly better biomechanical stability, closer bone surface fitting, easier operation, and lower risk of screw penetration into the joint. Conclusions The novel low-profile anatomical plate for posterior malleolus features excellent anatomical matching, convenient operation, and superior biomechanical performance.

导出引用

陈可, 孙景福, 朱顺, 吴任涛, 王湘伟, 潘练, 方剑明, 袁嘉尧. 新型后踝低切迹解剖型接骨板的设计和生物力学研究[J]. 中国临床解剖学杂志. 2026, 44(4): 441-447 https://doi.org/10.13418/j.issn.1001-165x.2026.4.11

Chen Ke, Sun Jingfu, Zhu Shun, Wu Rentao, Wang Xiangwei, Pan Lian, Fang Jianming, Yuan Jiayao. Design and biomechanical study of a novel low-profile anatomical plate for the posterior malleolus[J]. Chinese Journal of Clinical Anatomy. 2026, 44(4): 441-447 https://doi.org/10.13418/j.issn.1001-165x.2026.4.11

中图分类号： R318.01 R683.4

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