智能控制自移行全身放射治疗床的研制  

Automatic moving table controlled by single-chip microcomputer for total body irradiation

作　　者：范盛韵 何珑 陈智维[1] 李念云 FAN Sheng-yun;HE Long;CHEN Zhi-wei;LI Nian-yun(Shanghai General Hospital,Shanghai Jiao Tong University School of Medicine,Shanghai 200080,China)

机构地区：[1]上海交通大学附属上海市第一人民医院肿瘤科,上海200080

出　　处：《医疗卫生装备》2023年第12期25-30,共6页Chinese Medical Equipment Journal

摘　　要：目的:研制一种智能控制自移行全身放射治疗床,使患者能以舒适、松弛的卧姿安全、精准地接受既定处方剂量的放射治疗。方法:该治疗床由床架、行走机构和智能控制部分组成。其中床架由铝合金框架和聚碳酸酯板制作,并设置有射野补偿板和肺挡铅。行走机构由驱动轮组和方向舵轮组成。智能控制部分由AT89S51单片机、液晶屏、键盘、激光束探测电路(2个)、超声波测距电路(2个)和脉冲宽度调制(pulse width modulation,PWM)功率模块组成。结果:该治疗床能使患者全程以卧姿接受各种处方剂量的精准治疗,而且显著提升了对肺的保护。结论:采用该治疗床可改善患者在治疗中的舒适性以及对长时间治疗的耐受性,同时可获得更加精准、安全的治疗。Objective To develop a new type of automatic moving table controlled by a single-chip microcomputer(SCM)for total body irradiation(TBI)to enable patients to receive prescribed doses of radiotherapy safely and accurately in a comfortable recumbent position.Methods The TBI table was composed of a frame,a moving mechanism and an intelligent control component.The table frame was made up of an aluminum alloy frame,polycarbonate panel,a field compensator and a lead block.The moving mechanism consisted of the driving wheel set and rudder wheel.The intelligent control component included an AT89S51 SCM,a LCD screen,a keyboard,two laser beam detection circuits,two ultrasonic ranging circuits and a pulse width modulation(PWM)power module.Results The TBI table enabled patients to receive precise radiotherapy with prescribed doses in a prone position throughout the treatment,and improved lung protection significantly.Conclusion The TBI table enhances patient comfort during radiotherapy and tolerance of prolonged treatment,while increasing the accuracy and safety of the treatment.

关 键 词：智能控制 自移行 全身放射治疗床 放射治疗 精准治疗 

分 类 号：R318[医药卫生—生物医学工程] R197.39[医药卫生—基础医学] R815