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Kanai, T.

 
Paper Title Page
TUOAFI01 Development for New Carbon Cancer-therapy Facility and Future Plan of HIMAC 955
 
  • K. Noda, T. Fujisawa, T. Furukawa, Y. Iwata, T. Kanai, M. Kanazawa, N. Kanematsu, A. Kitagawa, Y. Kobayashi, M. Komori, S. Minohara, T. Murakami, M. Muramatsu, S. Sato, E. Takada, M. Torikoshi, S. Yamada, K. Yoshida
    NIRS, Chiba-shi
  • C. Kobayashi, S. Shibuya, O. Takahashi, H. Tsubuku
    AEC, Chiba
  • Y. Sato, M. Tashiro, K. Yusa
    Gunma University, Heavy-Ion Medical Research Center, Maebashi-Gunma
 
  The first clinical trial with carbon beams generated from the HIMAC was conducted in June 1994. The total number of patients treated is now in excess of 2500 as of December 2005. Based on our 10 years of experience with the HIMAC, we have proposed a new carbon-ion therapy facility for widespread use in Japan. The key technologies of the accelerator and irradiation systems for the new facility have been developed since April 2004. The new carbon-therapy facility will be constructed at Gunma University from April 2006. As our future plan for the HIMAC, further, a new treatment facility will be constructed at NIRS from April 2006. The design work has already been initiated and will lead to the further development of the therapy with the HIMAC. The facility is connected with the HIMAC accelerator complex and has two treatment rooms with horizontal and a vertical beam-delivery systems and one room with a rotating gantry. We will report the development for new carbon therapy facility and the design study for new treatment facility with the HIMAC.  
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WEPCH168 Development toward Turn-key Beam Delivery for Therapeutic Operation at HIMAC 2325
 
  • T. Furukawa, T. Kanai, K. Noda, S. Sato, E. Takada, M. Torikoshi, S. Yamada
    NIRS, Chiba-shi
  • M. Katsumata, T. Shimojyu, T. Shiraishi
    AEC, Chiba
 
  Since 1994, more than 2500 cancer patients have been treated by carbon ion beam at HIMAC. To increase the number of patients per day, we have studied the reproducibility of the beam quality, such as the position, profile and intensity, during the operation. For this purpose, the accelerator needs high reproducibility to minimize the beam tuning time with more flexible scheme. Further, the irradiation system and the accelerator need to ensure dose uniformity. As a result of this study, it was found that a slight change of the magnetic field in the transport line would not affect the beam quality. However, a slight change of the horizontal tune strongly affects the beam quality because of a resonant slow-extraction. In this paper, we report about our investigation and present result of the development.