全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
电子学报  2014 

血管壁小应变数学模型研究

DOI: 10.3969/j.issn.0372-2112.2014.10.034, PP. 2086-2091

Keywords: 血管壁,小应变,数学模型,医学图像分析

Full-Text   Cite this paper   Add to My Lib

Abstract:

分析血管壁的弹性形变,对心血管疾病的临床诊治和手术方案选择有重要意义.在进行合理假设的前提下,首先建立微元线段的小应变分析模型,再利用有限元分析方法将血管壁区域划分为若干三角形面微元,用三角形的三个顶点和三条边的位移函数导出三角形微元域的形变模型,通过模型计算结果分析及有效性验证表明:血管壁小应变力学模型具有较好的适用性和实用性.与文献方法相比,最后呈现的结果不仅能计算出应变大小,还能显示应变方向,而且分别给出三个方向的应变值.

References

[1]  Korte CL,Céspedes EI,et al.Intravascular elasticity imaging using ultrasound:feasibility studies in phantoms[J].Ultrasound in Medicine and Biology,1997,23(1):735-746.
[2]  Su HJ,Zhang M,Zhang Y.Mechanicalmodel of vulnerable atherosclerotic plaque rupture[J].Science in China Series G,2004,47(1):452-462.
[3]  Doyley MM,Mastik F,et al.Advancing intravascular ultrasonic palpation toward clinical applications[J].Ultrasound in Medicine and Biology,2001,27(1):1471-1480.
[4]  K D Oakeson,H Zhu,M H Friedman.Quantification of cross-sectional artery wall motion with IVUS image registration[J].Proceedings of SPIE Medical Imaging,Ultrasonic Imaging and Signal Processing,2004,537(3):119-130.
[5]  Sun Zheng,Guo Xiaoshuai.Measurement ofvascular configuration based on fusion of angiogram and intravascular ultrasound images[A].Proceedings of Second International Conference on Intelligent Networks and Intelligent Systems[C].USA:IEEE Press,2010.286-289.
[6]  Yun Liang,et al.Estimation of arterial wall strain based on IVUS image registration[A].Proceedings of Annual International Conference of the IEEE Engineering in Medicine and Biology Society[C].USA:IEEE Press,2009.3218-3221.
[7]  Alexander I V,Jeffrey A W,et al.Strain measurement in coronary arteries using intravascular ultrasound and deformable images[J].Journal of Biomechanical Engineering,2009,124(6):734-741.
[8]  蒋玉川,张建海,李章政.弹性力学与有限单元法[M].北京:科学出版社,2006.30-34,179-181.
[9]  陈至达.有限变形力学基础[M].江苏徐兆:中国矿业大学出版社,2001.7-30.
[10]  Pagani M,Mirsky I,et al.Effects of age on aortic pressure-diameter and elastic stiffness stress relationships in unanesthetized sheep[J].Circulation Research,1979,44(3):420-429.
[11]  Lee RT,et al.Prediction of mechanical properties of human atherosclerotic tissue by high-frequency intravascular ultrasound imaging[J].Arterioscler Thromb,1992,12(1):1-5.
[12]  徐明国,陶军.动脉弹性功能检测在心血管疾病中的应用[J].国外医学内科学分册,2004,31(12):528-530.
[13]  张鹏飞,张运.血管内超声弹性图的构建原理和临床应用研究[J].生物医学工程学杂志,2005,22(1):163-166. Zhang Pengfei,Zhang Yun.The technical principle and clinical application of intravascular ultrasound elastogram[J].Journal of Biomedical Engineering,2005,22(1):163-166.(in Chinese)
[14]  Doyley MM,Meaney PM,et al.Evaluation of an iterative reconstruction method for quantitative elastography[J].Physics in Medicine and Biology,2000,5(1):1521-1540.
[15]  荣先成,王洪军.有限元法[M].北京:交通大学出版社,2006.12-13.
[16]  凌志刚,梁彦,等.一种稳健的多源遥感图像特征配准方法[J].电子学报,2010,38(12):2892-2897. Ling Zhi-gang,Liang Yan,et al.A robust multi-source remote-sensing image registration method based on feature matching[J].Acta Electronica Sinica,2010,38(12):2892-2897.(in Chinese), van der Steen AFW, et al.Intravascular elasticity imaging using ultrasound: feasibility studies in phantoms[J].[J].Ultrasound Med Biol, 1997, 23(1):735-746
[17]  Su HJ, Zhang M, Zhang Y.Mechanical Model of Vulnerable Atherosclerotic Plaque Rupture[J].Sci China Ser G, 2004, 47(1):452-462
[18]  Doyley MM, Mastik F, de Korte CL, et al.Advancing intravascular ultrasonic palpation toward clinical applications[J].Ultrasound Med Biol, 2001, 27(1):1471-1480
[19]  KD. Oakeson, H. Zhu, and M. H. Friedman. .Quantification of Crosssectional Artery Wall Motion with IVUS Image Registration[J]. 2004:Ultrasonic Imaging and Signal Processing.Proceedings of SPIE Medical Imaging, 2004, 537(3):119-130
[20]  Sun Zheng, Guo Xiaoshuai.Measurement of Vascular Configuration Based on Fusion of Angiogram and Intravascular Ultrasound Images[C]. Second International Conference on Intelligent Networks and Intelligent Systems 2010, 286~289
[21]  Yun Liang, Kevin D.Oakeson, Hui Zhu, Morton H. Friedman. Estimation of Arterial Wall Strain Based on IVUS Image Registration[C], EMBS Annual International Conference. 2009:3218~3221
[22]  Alexander I.V., Jeffrey A.W., Grant T.G., et al. Strain Measurement in Coronary Arteries Using Intravascular Ultrasound and Deformable Images[C]. ASME. 2009, (124):734~741
[23]  陈至达.有限变形力学基础[M]. 中国矿业大学出版社,2001年. 7~30
[24]  蒋玉川,张建海,李章政.弹性力学与有限单元法[M]. 科学出版社,2006年. 30~34,179~181
[25]  荣先成, 王洪军.有限元法[M]交通大学出版社. 2006:12~13

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133