Particle therapy apparatus and method for compensating for axial movement in the position of a particle beam

摘要

The particle therapy system (2) has a rotary gantry (4) with a particle beam (20) that can be generated during operation of the system and a measurement device (6,6a) for determining a position of the beam, whereby the gantry can be moved so as to correct a deviation in the axial direction (Y) of the position of the particle beam from its desired axial position. An independent claim is also included a method of compensating an axial deviation in the position of a particle beam of an inventive system.