Title :
Monitoring of trabecular bone induced microdamage using a nonlinear wave-coupling technique
Author :
Moreschi, Hélène ; Callé, Samuel ; Guerard, Sandra ; Mitton, David ; Renaud, Guillaume ; Defontaine, Marielle
Author_Institution :
CNRS, Rabelais Univ., Tours, France
Abstract :
Trabecular bone tissue contains microcracks which may affect its mechanical properties as well as the whole structure. A Dynamic AcoutoElastic (DAE) method based on two acoustic waves coupling was developed to measure viscoelastic and dissipative nonlinearities in trabecular bone. The purpose of this work is to validate the technique sensitivity to monitor microdamage in human calcaneus.
Keywords :
bioacoustics; biomechanics; biomedical measurement; biomedical ultrasonics; bone; dynamic testing; elasticity; microcracks; orthopaedics; viscoelasticity; acoustic waves coupling; dynamic acoustoelastic method; human calcaneus; microcracks; microdamage; nonlinear wave-coupling; trabecular bone; viscoelasticity; Acoustic measurements; Acoustic pulses; Acoustic waves; Cancellous bone; Elasticity; Frequency; Monitoring; Ultrasonic imaging; Ultrasonic variables measurement; Viscosity;
Conference_Titel :
Ultrasonics Symposium (IUS), 2009 IEEE International
Conference_Location :
Rome
Print_ISBN :
978-1-4244-4389-5
Electronic_ISBN :
1948-5719
DOI :
10.1109/ULTSYM.2009.5441885
