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英文誌(2004-)

Journal of Medical Ultrasonics

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cover

1992 - Vol.19

Vol.19 No.06

Review Article(総説)

(0456 - 0462)

Bモード用ファントムの製作法

Method of B mode Ultrasonic Phantom Fabrication

Phantom Working Group, Technical Committee on Medical Ultrasonic Equipment, Electronic Industrial Association of Japan

キーワード : Phantom, Agar, Cyst, String

A material that closely mimics the ultrasonic propagation characteristics of soft tissue has been needed for use in advanced ultrasound diagnostic equipment test materials and imaging phantoms. Until now, however, a satisfactory method for producing a material with the requisite ultrasonic propagation characteristics has not been available.
We have developed a tissue-mimicking material for use in ultrasound phantoms. Our method for producing the phantom is described in detail in this report, in which string targets, cyst targets, a scanning window, a phantom case and a tissue mimicking material made from agar are all discussed. The speed of sound and attenuation are controlled by changing the concentration of propanol and graphite, respectively. Image evaluation using an ultrasonic imaging system and long-term stability are also considered.