PROBLEM TO BE SOLVED: To provide an ultrasonic probe for circulating a coolant by accelerating the coolant at respective places in a circulation path which circulates inside a probe head, a connector, and a cable connecting them.SOLUTION: The ultrasonic probe includes: a probe head 110 where a vibrator 111 is placed a connector part 130 for joining to an ultrasonic diagnostic apparatus body 200 a cable 120 which has a cylindrical shape, is provided with the probe head 110 at one end, the connector part 130 at the other end, and houses a signal line and a power supply line for transmitting a signal between the ultrasonic diagnostic apparatus body and the vibrator 111 a circulation path 101 where an electro-conjugate fluid is filled inside and which passes the inside of a cylinder and circulates between the probe head 110 and the connector part 130 electric field generation means for generating an electric field inside the circulation path 101 at prescribed intervals and cooling means for cooling the electro-conjugate fluid.COPYRIGHT: (C)2010,JPO&INPIT【課題】プローブヘッド、コネクタ、及びそれらを結ぶケーブル内を一巡する循環経路の各所で冷媒を加速することで該冷媒を循環させる超音波プローブを提供する。【解決手段】振動子111が配置されたプローブヘッド110と、超音波診断装置本体200に接続するためのコネクタ部130と、筒の形状を有し、一端にプローブヘッド110が、他端にコネクタ部130が設けられ、超音波装置本体と振動子111との間の信号を伝送する信号線及び電源線を収納するケーブル120と、内部に電界共役流体が充填され、筒の内部を通過しプローブヘッド110とコネクタ部130との間を一巡する循環経路101と、循環経路101の内部において所定間隔で電界を発生させる電界発生手段と、電解共役流体を冷却する冷却手段と、を備える。【選択図】図1
