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Biomedical Applications of Vibration and Acoustics in Imaging and Characterizations

Editor
Mostafa Fatim
Mostafa Fatim
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Ahmed Al-Jumaily
Ahmed Al-Jumaily
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ISBN-10:
0791802731
ISBN:
9780791802731
No. of Pages:
320
Publisher:
ASME Press
Publication date:
2008

This chapter reviews recent experimental findings applying non-linear dynamical techniques, termed nonlinear elastic wave spectroscopy (NEWS), to infer progressive mechanical damage in human bone, in vitro. Standard measures of bone mechanical properties are compared where possible, including the quasistatically derived stiffness and hysteresis. The goal is to explore whether or not the methods can ultimately be applied in vivo, for applications such as diagnosing and monitoring the progression of osteoporosis, as well as bone healing. It is shown that the NEWS methods are extremely sensitive to progressive damage, far more so than the other methods applied. The results are promising, and current discussion involves how to conduct similar experiments in vivo.

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