[14p-P5-1~9] 1.6 Ultrasonics

△ [14p-P5-1] Design of a combined ultrasonic probe for fatty liver diagnostic system using ultrasonic velocity-change

〇Yuhei Aotani¹, Yuta Kumagai¹, Makoto Hori¹, Daiki Yokota¹, Syuto Kanamori¹, Masanobu Kameda¹, Kenji Wada¹, Toshiyuki Matsunaka³, Hiromichi Horinaka¹, Hiroyasu Morikawa² (1.Osaka Pref Univ., 2.Osaka City Univ., 3.TU Inst. Tech.)

Keywords:Ultrasonic, Lamb wave, Evanescent

We have developed a fatty liver diagnostic using the imaging method depending on ultrasonic velocity change. To measure velocity change, it is necessary to detect echo pulse shift by heating and switch acoustic mirror for the purpose of carrying it out in separated ultrasound transducer. In this study, we investigated a method for separating ultrasonic for heating from it for measuring ultrasonic velocity change with fixed acoustic mirror, we design the probe with the fixed mirror by frequency difference using Lamb waves of a metal plate.