Patent Number: 
Section: claims

1. A particle therapy system that divides an irradiation object into a plurality of dose sections and sequentially irradiates the plurality of dose sections with a particle beam, comprising:an accelerator that accelerates the particle beam;an irradiation apparatus that irradiates a target with the particle beam accelerated by the accelerator;a fluoroscopic X-ray imaging apparatus; anda control system that controls the accelerator, the irradiation apparatus and the fluoroscopic X-ray imaging apparatus,wherein the control system is configured to control the accelerator and the irradiation apparatus to perform both a first irradiation method in which irradiation of the particle beam is not stopped when moving to a next dose section of the plurality of dose section and a second irradiation method in which irradiation of the particle beam is stopped when moving to the next dose section of the plurality of dose section, andwherein the control system is configured to control the fluoroscopic X-ray imaging apparatus to acquire a fluoroscopic X-ray image at the time of irradiation, and, when irradiation control of the particle beam is performed based on the acquired fluoroscopic X-ray image, the irradiation is performed by the second irradiation method in which the irradiation of the particle beam is stopped when moving to the next dose section. 2. The particle therapy system according to claim 1, further comprising:a planning apparatus that prepares a plan to irradiate the particle beam, whereinthe planning apparatus is configured to prepare treatment planning, based on information on the irradiation object, by any one of the first irradiation method and the second irradiation method, and the control system is configured to control the irradiation apparatus to perform, based on the prepared treatment planning, any one of the first irradiation method and the second irradiation method. 3. The particle therapy system according to claim 1, further comprising:a planning apparatus that prepares a plan to irradiate the particle beam, whereinthe planning apparatus is configured to prepare treatment planning, based on selection of an operator, by with any one of the first irradiation method and the second irradiation method, and the control system is configured to control the irradiation apparatus to perform, based on the treatment planning, any one of the first irradiation method and the second irradiation method. 4. The particle therapy system according to claim 1, further comprising:an input unit that receives information on the irradiation object,wherein, based on the information on the irradiation object input to the input unit, any one of the first irradiation method and the second irradiation method is selected. 5. The particle therapy system according to claim 1, whereinany one of the first irradiation method and the second irradiation method is capable of being selected in advance depending on the irradiation object. 6. The particle therapy system according to claim 1, further comprising:a display unit that displays which one of the first irradiation method and the second irradiation method is selected. 7. The particle therapy system according to claim 1, whereinthe control system includes an irradiation control system that controls the irradiation apparatus, andthe irradiation control system includes a common control unit used in any of the first irradiation method and the second irradiation method, a non-stop control unit used only in the first irradiation method, and a stop control unit used only in the second irradiation method. 8. A particle therapy system comprising:an accelerator that accelerates a particle beam;an irradiation apparatus that irradiates a target with the particle beam accelerated by the accelerator;a fluoroscopic X-ray imaging apparatus;a control system that controls the accelerator, the irradiation apparatus and the fluoroscopic X-ray imaging apparatus; andan input unit that receives information on whether to irradiate the particle beam with any one of a raster scanning method and a discrete spot scanning method,wherein the control system is configured to control the fluoroscopic X-ray imaging apparatus to acquire a fluoroscopic X-ray image at the time of irradiation, and, when irradiation control of the particle beam is performed based on the acquired fluoroscopic X-ray image, the irradiation is performed by the discrete spot scanning method in which the irradiation of the particle beam is stopped when moving to a next dose section of a plurality of dose sections of an irradiation object. 9. The particle therapy system according to claim 8, whereinthe irradiation according to raster scanning method and the discrete spot scanning method are each performed via a common nozzle. 10. The particle therapy system according to claim 8, whereinextraction control of the accelerator in the irradiation according to the raster scanning method and the discrete spot scanning method are each performed via a common accelerator control system.