PURPOSE:To enable a treatment history to be sufficiently caught in a calculus crushing device by displaying a treatment trend which shows the history of crushing treatment being based on a means inputting a patient data, means storing in memory the data and this memorized data. CONSTITUTION:An X-ray tube 8 and an X-ray detector 6 are arranged being opposed facing interposing a living body 1, and moving the living body 1 while viewing a display unit 7, the living body 1 is fixed when a calculus 2 is positioned in the central part of a picture plane of the display unit 7. When a doctor or an operator starts a crush launching circuit 9, a microcomputer 10 reads crushing voltage of a discharge source 4 through an A/D converter and the time of a clock module 12, and the crushing voltage and the time are stored together in a memory part 13. While a treatment history graph is displayed in a CRT display device 14 with the accumulating action thus obtained. Accordingly, the doctor or the operator, by seeing this graph of the treatment history, enables the treatment to be continued while catching a condition.
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