Abstract
It is important to know the characteristics of the acoustic impedance of a living tissue in order to diagnose with ultrasonic equipment or to design the equipment. Especially, in the immersion method of ultrasonic diagnosis, if strong reflections are produced from mis-matched interface between the skin and the water-bag and that between transducer and water, reverberations occur. The echo from the deep portion of body is disturbed by the reverberation and the strong echo from the mis-matched interface between the skin and the water-bag masks the weak echo from just under the skin. In these cases, it is difficult to make the diagnosis from the echo.
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References
J. Saneyoshi et al., “Tyoonpa-binran (Ultrasound Technology Handbook)”, Nikkankoogyo, p.1202, 1968
Tokyo Observatory (edition), “Rika-nepyo (Science yearbook)”, Maruzen, physics, p.22, 1971
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© 1978 American Institute of Ultrasound in Medicine and Plenum Press, New York
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Ogura, I., Kidokoro, T., Iinuma, K., Takehara, Y., Tanaka, K., Matsuda, A. (1978). Measurement of Acoustic Impedance of Skin. In: White, D., Lyons, E.A. (eds) Ultrasound in Medicine. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-4021-8_119
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DOI: https://doi.org/10.1007/978-1-4613-4021-8_119
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4613-4023-2
Online ISBN: 978-1-4613-4021-8
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