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Visualization of Ultrasonic Fields Transmitted from Bovine Bones by Hydrophone Scanning

机译：通过水听器扫描可视化从牛骨传输的超声波场

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摘要

An experimental study on the field disturbance of ultrasound transmitted through bones has been performed. Ultrasonic waves at 1.1 and 3.5 MHz were radiated towards bovine bone samples and the transmitted waves from the bones were detected by a small hydrophone. Two-dimensional images showing ultrasonic field distributions were constructed by scanning the hydrophone in a transverse plane of the ultrasonic beam. The ultrasonic fields were disturbed by a cortical bone both at 1.1 and 3.5 MHz. Disturbance by a cancellous bone was small at 1.1 MHz but large at 3.5 MHz. Large amounts of scattered waves were generated from a cancellous bone at 3.5 MHz. These results can be used for the determination of the dimensions of setups for in vivo and in vitro measurement of bone-transmitted ultrasound.
机译：已经进行了对通过骨骼传播的超声波的场干扰的实验研究。向牛骨样品辐射1.1和3.5 MHz的超声波，并通过小型水听器检测到来自骨骼的透射波。通过在超声波束的横向平面中扫描水听器来构造示出超声波场分布的二维图像。超声场在1.1和3.5 MHz受到皮质骨的干扰。松质骨的干扰在1.1 MHz时较小，但在3.5 MHz时较大。 3.5兆赫的松质骨产生了大量的散射波。这些结果可用于确定体内和体外测量骨传输超声的装置尺寸。

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  • 来源
    《Japanese journal of applied physics》 |2010年第7issue2期|P.07HF27.1-07HF27.7|共7页
  • 作者

    Masahiro Ohno; rnNami Ikeda; rnKaori Ohira; rnYukari Ogawa;

  • 作者单位

    Department of Life and Environmental Sciences, Faculty of Engineering, Chiba Institute of Technology, 2-17-1 Tsudanuma, Narashino, Chiba 275-0016, Japan;

    rnDepartment of Life and Environmental Sciences, Faculty of Engineering, Chiba Institute of Technology, 2-17-1 Tsudanuma, Narashino, Chiba 275-0016, Japan;

    rnDepartment of Life and Environmental Sciences, Faculty of Engineering, Chiba Institute of Technology, 2-17-1 Tsudanuma, Narashino, Chiba 275-0016, Japan;

    rnDepartment of Life and Environmental Sciences, Faculty of Engineering, Chiba Institute of Technology, 2-17-1 Tsudanuma, Narashino, Chiba 275-0016, Japan;

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