| 摘要 |
PROBLEM TO BE SOLVED: To provide a front end of an ultrasonic endoscope which does not allow a jelly-like packing material applied on the surface of an ultrasonic probe to flow out in spite of lapse of an inspection time and makes it possible to obtain a good ultrasonic tomographic image. SOLUTION: A bank-like projecting wall 20 is formed along part or the whole of the outer edge of the ultrasonic probe 3.
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