PROBLEM TO BE SOLVED: To easily and reliably detect abnormality of an impact or the like of an ultrasonic probe.SOLUTION: An ultrasonic probe 2 for transmitting/receiving an ultrasonic wave includes: a vibrator part 2a for transmitting the ultrasonic wave according to a transmission signal and generating a reception signal of the reflected ultrasonic wave; heat detection elements 22a and 22b, and impact detection elements 23a and 23b provided inside the ultrasonic probe 2 for detecting abnormality and indicating it by a color; and color sensors 24a and 24b provided inside the ultrasonic probe 2 for monitoring states of the heat detection elements 22a and 22b, and the impact detection elements 23a and 23b by colors, and outputting monitoring information.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2020,JPO&INPIT【課題】超音波探触子の衝撃などの異常を容易かつ確実に検出することである。【解決手段】超音波を送受信する超音波探触子2は、送信信号に応じて超音波を送信し、反射された超音波の受信信号を生成する振動子部2aと、超音波探触子2の内部に設けられ、異常を検知して色で表す熱検知素子22a,22b、衝撃検知素子23a,23bと、超音波探触子2の内部に設けられ、熱検知素子22a,22b、衝撃検知素子23a,23bの状態を色により監視し、監視情報を出力するカラーセンサー24a,24bと、を備える。【選択図】図2