Ultrasonic Wave Properties in Bone Axis Direction of Bovine Cortical Bone

被引：14

作者：

Yamamoto, Kazufumi ^{[1
]}

Yaoi, Yuichiro ^{[2
]}

Yamato, Yu ^{[1
]}

Yanagitan, Takahiko ^{[3
]}

Matsukawa, Mami ^{[2
]}

Yamazaki, Kaoru ^{[1
]}

机构：

[1] Hamamatsu Univ Sch Med, Hamamatsu, Shizuoka 4313192, Japan

[2] Doshisha Univ, Fac Engn, Kyoto 6100321, Japan

[3] Tohoku Univ, Grad Sch Engn, Sendai, Miyagi 9808579, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2008年 / 47卷 / 05期

关键词：

quantitative ultrasound (QUS); cortical bone; frequency-dependent attenuation; bovine bone;

D O I：

10.1143/JJAP.47.4096

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Quantitative ultrasonography (QUS) is it good method for measuring elastic properties of bone in vivo. Bovine cortical bone has two typical microstructures, plexiform and Haversian. In this study, the relationship between the speed of sound (SOS) and the hydroxyapatite (HAp) crystallite orientation in the axial direction was investigated in two different aged bovine cortical bones. The dependence of attenuation oil anatomical position was also investigated. Two ring-permanent hyphen shaped cortical bone samples were obtained from 36- and 24-month-old bovine femurs. SOS was Measured with a conventional ultrasonic pulse system. The integrated intensity of the (0002) peak obtained by X-ray diffraction was determine to evaluate the amount of preferred orientation. Regardless of the age of the bovine femurs, a significant correlation between SOS and the preferred orientation of HAp crystallites was observed in parts of the plexiform structure, and the gradient of the relationship showed a similar tendency. Attenuation seemed to depend oil bone microstructure.. [DOI: 10.1143/JJAP.47.4096]

引用

页码：4096 / 4100

页数：5

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