| 摘要 |
An ultrasonic endoscope has an ultrasonic transducer for emitting and receiving ultrasonic waves, a balloon support, having the ultrasonic transducer, for supporting a balloon mounted thereon to cover the ultrasonic transducer hermetically and removably. In an ultrasonic diagnosis system, the ultrasonic endoscope includes an inflation button adapted to inflating the balloon. A deflation button is adapted to deflating the balloon. Furthermore, a flow line extends to the balloon to pass water. A pump apparatus includes a rotary pump for drawing the water through the flow line, to cause the water to flow into and out of the balloon. A pump controller controls the rotary pump, inflates the balloon by supplying the water in response to an inflation signal from the inflation button, and deflates the balloon by discharging the water in response to a deflation signal from the deflation button.
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