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    Journals >Journal of Radiation Research and Radiation Processing >Volume 41 >Issue 3 >Page 030304 > Article
    • Journal of Radiation Research and Radiation Processing
    • Vol. 41, Issue 3, 030304 (2023)
    Design and research of an improved radiosurgical collimator
    Yun ZHOU1,2, Weihai CHEN4, Yongbiao LIU5,6, Nan YAN1,2..., Xiangshang SUN7, Wentao LIAO1,2, Junya LIU1,2 and Yuehu PU3,*|Show fewer author(s)
    Author Affiliations
  • 1Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Medical Equipment Innovation Research Center, West China Hospital, Sichuan University, Chengdu 610041, China
  • 4(Techtron information technology (Shanghai) Co., Ltd., Shanghai 200233, China)
  • 5Nanjing Maicong Medical Technology Co., Ltd., Nanjing 210023, China
  • 6Department of Radiation Physics and Technology, Jiangsu Province Hospital, Nanjing 210029, China
  • 7Department of Radiation Physics and Technology, Hunan Cancer Hospital, Changsha 410013, China
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    DOI: 10.11889/j.1000-3436.2022-0142 Cite this Article
    Yun ZHOU, Weihai CHEN, Yongbiao LIU, Nan YAN, Xiangshang SUN, Wentao LIAO, Junya LIU, Yuehu PU. Design and research of an improved radiosurgical collimator[J]. Journal of Radiation Research and Radiation Processing, 2023, 41(3): 030304 Copy Citation Text show less

    Abstract

    In this paper, a new collimator based on Hygeia GMX-1 cobalt (60Co) radiosurgery system was designed and analyzed using the Monte Carlo simulation program GEANT4. The results of EBT3 film measurements showed that the field penumbra of the improved collimator was reduced by 17.6% and the absorbed dose rate was 2.12 times higher, while the source activity, source axis distance and field size remained unchanged. The collimator has significant advantages in the two key technical parameters of absorbed dose rate and penumbra.

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    Yun ZHOU, Weihai CHEN, Yongbiao LIU, Nan YAN, Xiangshang SUN, Wentao LIAO, Junya LIU, Yuehu PU. Design and research of an improved radiosurgical collimator[J]. Journal of Radiation Research and Radiation Processing, 2023, 41(3): 030304
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