小儿喉腔三维有限元模型构建的方法及意义

doi:10.6040/j.issn.1673-3770.0.2017.329

山东大学耳鼻喉眼学报 ›› 2018, Vol. 32 ›› Issue (3): 82-85.doi: 10.6040/j.issn.1673-3770.0.2017.329

小儿喉腔三维有限元模型构建的方法及意义

徐宏鸣¹,顾美珍¹,陈芳¹,蒋钰钢²,李晓艳¹

1. 上海市儿童医院, 上海交通大学附属儿童医院耳鼻咽喉头颈外科, 上海 200062;
2. 山东交通学院工程机械学院, 山东济南 250357

收稿日期:2017-08-10 出版日期:2018-05-20 发布日期:2018-05-20
通讯作者: 李晓艳. E-mail:lixy@shchildren.com.cn
基金资助:
上海市卫生计生委科研课题青年项目(20144Y0260);国家自然科学基金青年项目(81500779)

Establishment of a three-dimensional pediatric larynx finite element model

XU Hongming¹, GU Meizhen¹, CHEN Fang¹, JIANG Yugang², LI Xiaoyan¹

School of Construction Machinery, Shandong Jiaotong University, Jinan 250357, Shandong, China

Received:2017-08-10 Online:2018-05-20 Published:2018-05-20

摘要/Abstract

摘要： 目的为预测评估小儿喉腔手术术后喉腔形态和生理功能,基于CT图像构建小儿喉腔有限元模型。方法用MIMICS软件对2014年8月12日、2014年10月8日和2015年10月15日住院治疗的甲状舌管囊肿患儿2例和梨状窝瘘患儿1例CT扫描得到的Dicom图像处理,以材料灰度阈值区分不同的组织结构,采用可视化处理进行三维模型重建。用ABAQUS有限元软件进行有限元网格进行划分。结果实验应用有限元技术,在计算机上建立了一个能够反映儿童喉腔形态特征的有限元模型。通过临床医师的辨认与比较,该模型同喉镜检查结果一致性良好。结论该模型形态较逼真,可用于后续模拟儿童喉腔手术、评估手术预后的研究。

关键词: 三维有限元, 喉软化症, 舌根囊肿, 儿童, 喉腔

Abstract: Objective To establish a three-dimensional(3-D)pediatric larynx finite element model. Methods Materialises Interactive Mederical Image Control System was employed to process the DICOM images from a computed tomography(CT)scan of the larynx by means of distinguishing different components using gray-level thresholding for different tissues. All 3-D visualization models of the larynx were only generated by this software. ABAQUS software was used to handle the grid layout of the larynx finite element model. Results A 3-D model that finely represented the morphological characteristics of the pediatric larynx was generated using finite element technology. This model is comparable with the results of laryngoscopy. Conclusion The 3-D finite element model of the pediatric larynx provides a foundation for further study.

Key words: Larynx, Laryngomalacia, Tongue base cyst, Three-dimensional finite element, Child

中图分类号:

R767

徐宏鸣,顾美珍,陈芳,蒋钰钢,李晓艳. 小儿喉腔三维有限元模型构建的方法及意义[J]. 山东大学耳鼻喉眼学报, 2018, 32(3): 82-85.

XU Hongming, GU Meizhen, CHEN Fang, JIANG Yugang, LI Xiaoyan. Establishment of a three-dimensional pediatric larynx finite element model[J]. JOURNAL OF SHANDONG UNIVERSITY (OTOLARYNGOLOGY AND OPHTHALMOLOGY), 2018, 32(3): 82-85.

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小儿喉腔三维有限元模型构建的方法及意义

Establishment of a three-dimensional pediatric larynx finite element model

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