Fig. 2
From: Development of temperature controller-integrated portable HIFU driver for thermal coagulation

Experimental setup: a acoustic pressure measurement of a HIFU transducer and b ex vivo HIFU test with PID temperature controller
From: Development of temperature controller-integrated portable HIFU driver for thermal coagulation

Experimental setup: a acoustic pressure measurement of a HIFU transducer and b ex vivo HIFU test with PID temperature controller