文献详情
Combining ultrasonic and computed tomography scanning to characterize mechanical properties of cancellous bone in necrotic human femoral heads
文献类型:期刊
期刊名称:Medical engineering & physics影响因子和分区
年:2019
卷:66
页码:12-17
ISSN:1873-4030
关键词:Computed tomography,Elastic modulus,Femoral head necrosis,Mechanical properties,Ultrasonic scanning
摘要:Image-based finite element modelling has been commonly used to determine the biomechanical behaviours of human femora, particularly for the diagnosis of femoral head necrosis. One of the fundamental aspects of biomechanical modelling is the relationship between bone density, which is obtained from images, and elastic modulus. While there exist some empirical equations relating density with elastic modulus, the characterization of this relationship remains incomplete, especially for necrotic femo ...More
Image-based finite element modelling has been commonly used to determine the biomechanical behaviours of human femora, particularly for the diagnosis of femoral head necrosis. One of the fundamental aspects of biomechanical modelling is the relationship between bone density, which is obtained from images, and elastic modulus. While there exist some empirical equations relating density with elastic modulus, the characterization of this relationship remains incomplete, especially for necrotic femoral heads. The objective of this study was to determine the relationship between density and elastic modulus by combining ultrasonic scanning and computed tomography (CT). Bone specimens were surgically removed from the femora of eight persons (seven females and one male in the age range of 55-68 years old) and underwent both ultrasonic and CT scanning. The images were processed with MATLAB scripts, and a bilinear interpolation algorithm was used to determine the relationship between the CT-measured densities and ultrasound-measured elastic moduli. The results showed different density-elastic modulus relations between the hardening strap of the necrotic region and non-hardening strap areas of the necrotic region. The uniqueness of this study is the characterization of mechanical properties (in the present study, the density-modulus relationship) from clinical images, which would be valuable in computational biomechanics used for the diagnosis and treatment evaluation of femoral head necrosis.Copyright ? 2019. Published by Elsevier Ltd. ...Hide
DOI:10.1016/j.medengphy.2019.02.002
百度学术:Combining ultrasonic and computed tomography scanning to characterize mechanical properties of cancellous bone in necrotic human femoral heads
语言:外文
人气指数:2
浏览次数:2
作者其他论文
Financial Constraints and Systematic Risk: Theory and Evidence from China.Li Yan;Huang Lei.15th International Conference on Management Science and Engineering.2008,1113-1119.
Feature selection for automatic classification of Chinese folk songs.Xu, Jieping;Peng Wang;Li Yan.1st International Congress on Image and Signal Processing.2008,441-446.
The Research About Banking Industry and Region Economy Development in our Country.Li Yan.3rd International Symposium on Regional Management Science and Engineering.2011,297-301.
The Development Dilemma and Industrial Transformation Path of Resources-based Cities-Under the Background of Low Carbon Economy.Li Yan.International Symposium on Low-carbon Economy and Technology Science.2010,202-208.
Environmental Impacts Analyses of Mercury in Energy Saving Lamps.Li Yan;Chen Xin;Wang Lin.6th Euro-Asia Conference on Environment and Corporate Social Responsibility.2010,154-159.
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Combining ultrasonic and computed tomography scanning to characterize mechanical properties of cance
本站小编 Free考研/2020-04-17
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