Disclosed is a device for producing an intracorporeal pressure pulse comprising a pressure pulse source configured to generate a collimated pressure pulse and an acoustic lens including at least one ring-shaped focusing section configured to focus a pressure pulse generated by the pressure pulse source substantially to the vicinity of the central axis of the ring-shaped focusing section. The plates are made by blending from about 0. The additional output vector, as well as the other output vectors, undergo at least one latching. Thereafter, the thrombus may be agitated, broken apart, or dissolved using a magnetic field to exert a magnetic force on the conjugated particles. A control unit computes a consumed-electric-power log of the consumed electric power monitored at intervals of a predetermined time and a consumed-electric-power total log, and stores consumed-electric-power log related information in the memory unit.