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JJG 1027-2007 English PDF

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JJG 1027-2007: Verification Regulation of Medical Radiation Source for 60 Co Teletherapy
Status: Valid

JJG 1027: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJG 1027-2007	English	649	Add to Cart	5 days [Need to translate]	Verification Regulation of Medical Radiation Source for 60 Co Teletherapy	Valid	JJG 1027-2007
JJG 1027-1991	English	RFQ	ASK	3 days [Need to translate]	Technical Norm for Error of Measurements and Interpretation of Data	Obsolete	JJG 1027-1991

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Basic data

Standard ID	JJG 1027-2007 (JJG1027-2007)
Description (Translated English)	Verification Regulation of Medical Radiation Source for 60 Co Teletherapy
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A58
Classification of International Standard	17.240
Word Count Estimation	25,246
Date of Issue	2007-08-02
Date of Implementation	2008-08-02
Older Standard (superseded by this standard)	JJG 589-2001
Quoted Standard	AQSIQ Announcement No. 142 of 2007
Regulation (derived from)	AQSIQ Announcement No. 142 of 2007
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine
Summary	This standard applies to medical radiation source 60Co teletherapy initial verification, testing and use of follow-up inspection. Useful medical 60Co teletherapy beam radiation dose rate range of about 0. 01Gy/min ~ 10Gy/min.

JJG 1027-2007: Verification Regulation of Medical Radiation Source for 60 Co Teletherapy

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Verification Regulation of Medical Radiation Source for 60 Co Teletherapy State verification procedures People's Republic of China Medical 60Co teletherapy radiation source Posted 2007-08-02 2008-08-02 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Medical 60Co teletherapy radiation source Verification Regulation py Alternative JJG 589-2001 Part of γ radiation therapy The regulations by the State Administration of Quality Supervision, Inspection and Quarantine, 2007 August 2 approved, and since 2008 Since August 2 embodiment. Focal point. the National Technical Committee of ionizing radiation metrology Main drafting unit. Shenzhen Academy of Metrology and Quality Inspection Participated in the drafting unit. Hubei Provincial Institute of Measurement and Testing Hubei Cancer Hospital This procedure commissioned the National Technical Committee is responsible for ionizing radiation measurement interpretation The main drafters of this procedure. Lee name trillion (Shenzhen Academy of Metrology and Quality Inspection) Zhou Yingchun (Shenzhen Academy of Metrology and Quality Inspection) Xu Tao (Shenzhen Academy of Metrology and Quality Inspection) Drafters participate. Zhou Jin (Hubei Institute of Measurement and Testing) Xu Liming (Hubei Cancer Hospital) Lu Ruixiang (Shenzhen Academy of Metrology and Quality Inspection) Chen Huaping (Shenzhen Academy of Metrology and Quality Inspection)

1 Scope (1) 2. Referenced Documents (1) 3 terminology and units of measurement (1) 3.1 The term (1) 3.2 units of measurement (3) 4 Overview (3) 5 metering performance requirements (3) 5.1 Scopefinder (3) 5.2 collimator rotation center (3) 5.3 isocenter (3) 5.4 Light field and radiation field coincidence (4) 5.5 penumbra (4) 5.6 radiation field flattening degree (4) 5.7 radiation field symmetry (4) 5.8 dosimetry control system (4) 5.9 absorbed dose treatment plan deviation (4) 6 General technical conditions (4) 6.1 Device Identification (4) 6.2 Display (4) 6.3 Safety requirements (4) 7 control of measuring instruments (4) 7.1 test conditions (4) 7.2 Verification Project (5) 7.3 Verification Methods (6) 7.4 Verification Results Processing (9) 7.5 test cycle (9) Appendix A basic feature requires ionization chamber (10) Appendix B cylindrical ionization chamber air absorbed dose calibration factor ND, air (11) Comprehensive disturbance Appendix C cylindrical ionization chamber correction factor pQ (14) Appendix D ionization chamber ion recombination correction (15) Appendix E side effect measuring time (17) Appendix F reference depth assessment of the effective measuring point of absorbed dose measurement Uncertainty (18) Appendix G Verification Certificate page format (20) Medical 60Co teletherapy radiation test procedures Referring to the International Atomic Energy absorber of the present procedure (IAEA) Technical Report No. 277, "photon and electron beams Determination. IAEA International Code of practice "OK medical 60Co teletherapy sources of radiation absorbed dose measurement.

1 Scope

The order applies to medical radiation 60Co teletherapy initial verification, subsequent verification and in-service inspection. Medical 60Co teletherapy radiation dose rate range of useful beam about 0.01Gy/min ~ 10Gy/min.

2 Citations

The regulations cited in the following references. IAEATRS.277. AbsorbedDoseDeterminationinPhotonandElectronBeams. An AdaptationoftheIAEAInternationalCodesofPractice, 2ndEdition (1997) IAEATRS.277. AbsorbedDoseDeterminationinPhotonandElectronBeams. An AdaptationoftheIAEAInternationalCodesofPractice, 2ndEdition (1998) GB Z/T 161-2004 "Medical γ beam teletherapy protection and safety standards." GB 9706.17-1999idtIEC 60601-2-11.1997 "Medical electrical equipment Part. γ beam Therapy equipment requirements for the safety " JJF1001-1998 "common measurement terms and definitions" GB/T 17857-1999 "Medical imaging academic language (radiotherapy, nuclear medicine and radiation dosimetry equipment)." GB 7465-1994 "high activity cobalt-60 sealed radioactive sources" When using this procedure, it should pay attention to the current valid version of the above-mentioned documents.

3 terminology and units of measurement

3.1 Terms 3.1.1 absorbed dose absorbeddose The average energy of ionizing radiation with matter granted. D is the absorbed dose by the d∈ dm firm, unless determined that D = d∈/dm Where. d∈ --- ionizing radiation granted the quality of the average energy of the substance dm; D --- absorbed dose, the unit. J · kg-1, which is named Gy, symbol Gy. 3.1.2 absorbed dose rate absorbeddoserate Absorbed dose per unit of time, divided by dt dD that is obtained by. = DD/dt Where. dD --- interval increment dt absorbed dose; --- Absorbed dose rate, Gy/s or Gy/min. 3.1.3 source skin distance (SSD) radiationsourcetoskindistance

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