The invention relates to a device (100) for the fragmentation of a calculus, comprising: a probe (20) and a drive unit (40) for deflecting the probe (20) along the longitudinal extension (LE) thereof, the drive unit (40) comprising a first drive element (41) for periodically deflecting the probe (20) and a second drive element (42) for the pulsed deflection of the probe (20), the drive unit (40) being designed such that periodic deflection and pulsed deflection can be superimposed.