Presentation Development of Carbon-Ion Radiotherapy Facilities at NIRS

Iwata, Yoshiyuki

Radiotherapy using high-energy carbon beams from the Heavy Ion Medical Accelerator in Chiba (HIMAC) has been carried out at NIRS since June 1994, and more than 10,000 patients were treated by now. With the prospective clinical results for the first ten years, we designed a compact accelerator facility for carbon-ion radiotherapy (CIRT), and performed related R&D works for widespread use of CIRT since 2004. Based on the design and the R&D works, three compact facilities for CIRT were constructed and are in treatment operation, and furthermore two facilities are being constructed in Japan. To further develop the sophisticated CIRT, we constructed a new treatment facility at NIRS, and developed a fast three-dimensional raster-scanning irradiation technique and a superconducting rotating-gantry. Presently, we are further designing a next-generation compact facility as a future project; superconducting and laser technologies are to be used for accelerator design. In this paper, we report development of carbon-ion accelerator facilities as well as the future project.
25th International Conference (MT25)

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