Paper Info
Title
Evaluation Of Ultrasonic Scattering For Different Cortical Bone Porosities And Excitation Frequencies: A Numerical Study
Abstract
Quantitative ultrasound is a promising and relative recent method for the assessment of bone. In this work, the interaction of ultrasound with the porosity of cortical bone is investigated for different frequencies. Emphasis is given on the study of complex scattering effects induced by the propagation of an ultrasonic wave in osseous tissues. Numerical models of cortical bone are established with a porosity of 0, 5 and 10% corresponding to healthy homogeneous bone, healthy inhomogeneous bone and normal ageing, respectively. Different excitation frequencies are applied in the range 0.2-1 MHz. The scattering amplitude and the acoustic pressure are calculated for multiple angles and receiving positions focusing on the backward direction. The results indicate that the application of higher frequencies can better distinguish changes in the energy distribution in the backward direction due to alterations of the cortical porosity.
Year
DOI
Venue
2017
10.1109/EMBC.2017.8037785
2017 39TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC)
Field
DocType
Volume
Biomedical engineering,Cortical bone,Sound pressure,Ultrasonic sensor,Porosity,Scattering amplitude,Computer science,Optics,Excitation,Electronic engineering,Scattering,Ultrasound
Conference
2017
ISSN
Citations 
PageRank 
1094-687X
0
0.34
References 
Authors
0
6
Name
Order
Citations
PageRank
Vassiliki T. Potsika102.37
Konstantinos N Grivas201.01
Theodoros V. Gortsas300.34
Vasilios C Protopappas432.10
Demosthenes Polyzos5151.79
Dimitrios I. Fotiadis6941121.32