A particle beam irradiation system includes a particle beam irradiation apparatus, which is free of a gantry structure, having a particle beam irradiator for irradiating an affected area of a patient with a particle beam, the particle beam irradiator being housed in a chamber, a CT scanner installed...http://www.google.fr/patents/US7659528?utm_source=gb-gplus-shareBrevet US7659528 - Particle beam irradiation system
