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Composition and acoustic properties in a cartilage phantom

机译:软骨幻影中的组成和声学性质

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摘要

In this study, a cartilage phantom that can be used for verifications and calibrations of not only magnetic resonance imaging (MRI) apparatus but also ultrasonic diagnosis equipment for cartilage diagnosis in the future was fabricated. Acoustic properties of the phantom fabricated for MRI apparatus evaluation were measured, and it was verified whether the acoustic properties of the phantom are close to those of the normal cartilage, which are set as the target values. In addition, as the fundamental physical properties of the cartilage phantom, the Young's modulus and the density were also measured. As a result, a cartilage phantom that satisfies target values of transverse relaxation time (T2) and apparent diffusion coefficient (ADC), and a target value of speed of sound (SOS) could be fabricated. (C) 2019 The Japan Society of Applied Physics
机译:在这项研究中,制造了一种软骨幻影,其可用于磁共振成像(MRI)装置的验证和校准,还制作了未来软骨诊断的超声诊断设备。测量用于MRI设备评估的幻像的幻像的声学性质,验证了幻像的声学特性是否接近正常软骨的物质,其被设定为目标值。另外,作为软骨幻像的基本物理性质,还测量了杨氏模量和密度。结果,可以制造满足横向松弛时间(T2)和表观扩散系数(ADC)的目标值的软骨幻像,以及声音速度(SOS)的目标值。 (c)2019年日本应用物理学会

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  • 来源
    《Japanese journal of applied physics》 |2019年第sg期|SGGE21.1-SGGE21.9|共9页
  • 作者单位

    Natl Inst Adv Ind Sci & Technol Hlth Res Inst Tsukuba Ibaraki 3058564 Japan;

    Natl Inst Adv Ind Sci & Technol Hlth Res Inst Tsukuba Ibaraki 3058564 Japan;

    Tokyo Metropolitan Univ Dept Radiol Sci Tokyo 116855 Japan;

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