Microscopic multi-directional mechanical properties of human femoral cancellous bone tissue

被引：2
|
作者：
Park, Young Hwan [1 ]
Cha, Hee Sung [1 ]
Hong, Junghwa [1 ]
机构：
[1] Korea Univ, Dept Control & Instrumentat, Chungnam 339700, South Korea
来源：
ASBM7: Advanced Biomaterials VII | 2007年 / 342-343卷
关键词：
cancellous bone tissue; trabeculae; microscopic multi-directional property measurement; human femoral head;
D O I：
10.4028/www.scientific.net/KEM.342-343.13
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Multi-directional mechanical properties of human cancellous bone tissue were never measured using a compressive test with microscopic cubic specimens. In this study, a small scale compressive testing machine with nano meter resolution and a measurement system for Poisson's ratio with sub-nano meter resolution were developed to measure accurate microscopic mechanical properties of human CBT. The measured mean longitudinal (E-1), postero-anterior (E-2) and lateromedial (E-3) elastic moduli were 3.47 GPa (S.D. +/- 0.41), 2.57 GPa (S.D. +/- 0.28), and 2.54 GPa (S.D. +/- 0.22), respectively. ANOVA showed that the longitudinal elastic modulus (E-1) was significantly (p < 0.01) greater than the postero-anterior (E-2) and latero-medial (E-3) elastic moduli. For Poisson's ratios, v(12) was significantly (p < 0.01) higher than V-23 and V-31.
引用
收藏
页码：13 / 16
页数：4
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