Title :
Propagation of ultrasonic longitudinal wave in the cancellous bone covered by the subchondral bone of bovine femur
Author :
Koizumi, Takaaki ; Yamamoto, Kazufumi ; Nagatani, Yoshiki ; Soumiya, Hiroki ; Saeki, Takashi ; Yaoi, Yuichiro ; Matsukawa, Mami
Author_Institution :
Doshisha Univ., Kyotanabe
Abstract :
In order to understand the mechanism of two longitudinal wave propagation phenomena in the cancellous bone, we have tried to investigate the wave separation in the bone specimen by changing the main frequency of the longitudinal pulse wave. Here, we have used the specimens obtained from the end of bovine femur, which are covered by cartilage and subchondral bone. The pore size changed gradually in the specimens. We have then found the effect of the structure on the wave separation. The FDTD simulation with the CT image of the specimens showed similar behavior of wave propagation.
Keywords :
bioacoustics; biomechanics; biomedical ultrasonics; bone; finite difference time-domain analysis; ultrasonic propagation; CT image; FDTD simulation; bovine femur; cancellous bone; cartilage bone; pore size; structure effect; subchondral bone; ultrasonic longitudinal wave propagation; ultrasound technique; wave separation; Anisotropic magnetoresistance; Biomedical imaging; Bovine; Cancellous bone; Cities and towns; Educational institutions; Finite difference methods; In vivo; Time domain analysis; Ultrasonic variables measurement; FDTD simulation; cancellous bone; component; longitudinal wave; two wave phenomenon;
Conference_Titel :
Ultrasonics Symposium, 2008. IUS 2008. IEEE
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-2428-3
Electronic_ISBN :
978-1-4244-2480-1
DOI :
10.1109/ULTSYM.2008.0035
