| 摘要 |
Measuring is performed by bringing a gel pad GP which is an acoustic coupling medium into contact with a measuring portion which has concavities and convexities and by sending and receiving ultrasound from a probe via the gel pad GP. At this time, the contact pressure of the probe and the gel pad GP is detected using pressure sensors which are provided in the probe (first pressure sensor and second pressure sensor). Then, ultrasound focusing is performed using the detected pressure of the pressure sensors.
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