Influence of Shear Stress on Behaviors of Piezoelectric Voltages in Bone

被引：3
作者：
Fu, Donghui [1 ]
Hou, Zhende [1 ]
Qin, Qing-Hua [2 ]
Xu, Lianyun [1 ]
Zeng, Yanjun [3 ]
机构：
[1] Tianjin Univ, Sch Mech Engn, Dept Mech, Tianjin 300072, Peoples R China
[2] Australian Natl Univ, Res Sch Engn, Canberra, ACT, Australia
[3] Beijing Univ Technol, Biomech & Med Informat Inst, Beijing, Peoples R China
来源：
JOURNAL OF APPLIED BIOMECHANICS | 2012年 / 28卷 / 04期
基金：
中国国家自然科学基金;
关键词：
piezoelectricity; collagen; composite; GENERATED POTENTIALS; COLLAGEN FIBRILS; TRANSVERSE LOADS; DRY BONE; MODEL;
D O I：
10.1123/jab.28.4.387
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
The piezoelectric properties of bone play an important role in the bone remodeling process and can be employed in clinical bone repair. In this study, the piezo-voltage of bone between two surfaces of a bone beam under bending deformation was measured using an ultra-high-input impedance bioamplifier. The influence of shear stress on the signs of piezo-voltages in bone was determined by comparing and contrasting the results from three-point and four-point bending experiments. From the three-point bending experiment, the study found that the signs of piezo-voltages depend only on shear stress and are not sensitive to the normal stress.
引用
收藏
页码：387 / 393
页数：7
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