医科达BJ-6B直线加速器脉冲调制器的故障分析 |
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引用本文: | 齐勇,袁一戈,杜瑞琴,魏世祥. 医科达BJ-6B直线加速器脉冲调制器的故障分析[J]. 中国医学装备, 2010, 7(3): 62-63 |
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作者姓名: | 齐勇 袁一戈 杜瑞琴 魏世祥 |
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作者单位: | 甘肃省肿瘤医院放疗科放研中心,甘肃,兰州,730050 |
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摘 要: | BJ-6B型加速器是用于肿瘤治疗的驻波型医用直线加速器。处于正常治疗状态时,计量率在200cGY/min。由于加速器结构复杂,加之长期使用后,元件老化、参数漂移。同时受电源的影响,在出束过程中,剂量率会出现波动。当系统调整不当或出现故障时,计量率波动超出其正常范围,有时会出现异常打火。
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关 键 词: | BJ-6B直线加速器 故障 |
Analysis of breakdowns of pulse modulator of Yikeda BJ-6B linear accelerator |
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Affiliation: | QI Yong, YUAN Yi-ge, DU Rui-qin, et al( Department of Radiotherapy, Gansu Provincial Tumor Hospital, Lanzhou 750050, China.) |
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Abstract: | BJ-6B linear accelerator is a kind of medical device for treatment of tumors. Its counting rate is 200cGY/min under normal operating condition. There might be some breakdowns for long-term use. |
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Keywords: | BJ-6B linear accelerator Brekdown |
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