Standard No.:	GBZ 121-2020
English Name:	Requirements for radiological protection in radiotherapy
Chinese Name:	放射治疗放射防护要求
Chinese Classification:	C57    Radiological sanitation protection
Professional Classification:	GB    National Standard
Issued by:	National Health Comission
Issued on:	2020-10-26
Implemented on:	2021-5-1
Status:	valid
Superseding:	GBZ 121-2017 Radiological protection standardsfor gamma-ray afterloading brachytherapy GBZ 131-2017 Requirements for radiological protection in medical X-ray therapy GBZ 161-2004 Radiological protection and safety standardsfor medical Gamma-beam teletherapy GBZ/T 257-2014 Radiological protection requirements of mobile electron accelerator for intraoperative radiotherapy GBZ 126-2011 Radiological protection standard of electron accelerator in radiotherapy GBZ 168-2005 Radiological protection standards of X (γ)-ray stereotactic radiosurgery for head treatment GBZ 179-2006 Basic principles for radiological protection of medical exposure
Language:	English
File Format:	PDF
Word Count:	9500 words
Price(USD):	285.0
Delivery:	via email in 1~3 business day

本标准规定了放射治疗的放射防护要求。
本标准适用于利用医用电子加速器、钴-60治疗机、中子放射源及γ放射源后装治疗机、X射线及γ射线立体定向放射治疗系统、螺旋断层放射治疗系统、术中放射治疗的移动式电子加速器、医用X射线治疗机、低能X射线放射治疗设备和质子重离子加速器等设备开展放射治疗的防护要求。
本标准不适用于放射性粒籽植入和放射性核素敷贴治疗的放射防护。