A base member formed of rubber or the like, which transmits ultrasound waves, includes a storage portion with a small width connected with a storage portion with a great width, wherein internal organ models, formed of animal internal organs or the like, such as an esophagus model, stomach model, and the like, are stored in these storage portions. A jelly-like member, which transmits ultrasound waves, is filled in around the internal organ models. An ultrasonic endoscope or the like can be inserted through an inserting hole so as to obtain ultrasonic images generally the same as with a case of inserting the ultrasonic endoscope or the like into a human body, thereby providing a training device which can be easily used.

 
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