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Verification regulation of medical electron accelerator radiation source
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JJG 589-2008
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JJG 589-2001 | English | RFQ |
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Verification Regulation of Radiation Source Used in the External Beam Radiotherapy
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Verification Regulation of 60Co Teletherapy Radiation Source
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Basic data Standard ID | JJG 589-2008 (JJG589-2008) | Description (Translated English) | Verification regulation of medical electron accelerator radiation source | Sector / Industry | Metrology & Measurement Industry Standard | Classification of Chinese Standard | A58 | Classification of International Standard | 17.240 | Word Count Estimation | 32,394 | Date of Issue | 2008-12-22 | Date of Implementation | 2009-06-22 | Older Standard (superseded by this standard) | JJG 589-2001 | Quoted Standard | GB 3100-1993; GB 3101-1993; GB 3102-1993; GB/T 19046-2003; GB/T 17857-1999; GB 15213-1994; IAEA Technical Report No. 277 (1997 Second Edition) " photons and Determination of absorbed dose electron beam International use "; Surveying international norms report No. 581: Measurement of high-energy electron and photon beams with flat-type ionization chamber | Regulation (derived from) | ?AQSIQ Announcement 2008 No.143 | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine | Summary | This standard applies to the first pH meter Calibrator verification, follow-up tests and in-service inspection. |
JJG 589-2008: Verification regulation of medical electron accelerator radiation source---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 electron accelerator radiation source
State verification procedures People's Republic of China
Medical electron accelerator radiation source
RadiationSource
Posted 2008-12-22
2009-06-22 implementation
The State Administration of Quality Supervision, Inspection and Quarantine released
Medical electron accelerator radiation test procedures
Replacing JJG 589-2001
The regulations by the State Administration of Quality Supervision, Inspection and Quarantine approved on December 22, 2008, and from
From June 22, 2009 into effect.
Focal point. the National Technical Committee of ionizing radiation metrology
Drafting. Beijing Institute of Metrology detection
Participating units. Varian Medical Systems Beijing Co., Ltd.
Siemens American Medical Equipment Co., Ltd.
The ionizing radiation measurement procedures by the National Technical Committee is responsible for interpretation
The main drafters of this procedure.
Tao (Beijing Institute of Metrology detection)
Wang Yun (Varian Medical Systems Beijing Co., Ltd.)
Liu Feng (USA Siemens Medical Equipment Co., Ltd.)
Zhang Shaogang (Beijing Hospital)
Zhang Ying (Beijing Institute of Metrology detection)
Drafters participate.
Pengyong Lun (Beijing Products Quality Supervision, Inspection)
table of Contents
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 (4)
5 metering performance requirements (4)
5.1 Medical Accelerator X radiation source (4)
5.2 medical accelerator electron beam radiation (4)
6 General technical conditions (5)
7 control of measuring instruments (5)
7.1 test conditions (5)
7.2 test items and test methods (6)
7.3 test results processing (12)
7.4 test cycle (12)
Appendix A test certificate (in-page) format (13)
Appendix B test results of notice (in-page) format (14)
Appendix C commonly used data and tables (15)
Appendix D dosimeter calibration factor (24)
Appendix E ionization chamber amended ionic complex effects (26)
Medical electron accelerator radiation test procedures
1 Scope
The test procedures for new installations, the use and impact of electronic medical radiation dose value of accurate parts repaired plus
Accelerator radiation source initial verification, subsequent verification and in-service inspection.
2 Citations
The regulations cited in the following documents.
[1] GB 3100 ~ 3102-1993 "Quantities and units"
[2] GB/T 19046-2003 "Medical electron accelerators acceptance tests and periodic inspection procedures."
[3] GB/T 17857-1999 "Medical imaging academic language (radiotherapy, nuclear medicine and radiation dosimetry provided
Standby) "
[4] GB 15213-1994 "Medical Electron Accelerator and test methods"
[5] IAEA Technical Report No. 277 (second edition 1997) absorbed dose "measured photon and electron beams,
International use the term "
[6] JJF1035-2006 "ionizing radiation measurement terms and definitions"
[7] TECHNICALREPORTSSERIESNo.381THEUSEOFPLANEPARALLEL
IONIZATIONCHAMBERSIN HIGH ENERGY ELECTRON ANDPHOTON BEAMS
AnInternationalCodeofPracticeforDosimetry (dosimetry international norms Report No. 381. The flat
Plate ionization chamber measurements of high-energy electron and photon beam)
When using this procedure, it should pay attention to using the currently valid version of the documents cited.
3 terminology and units of measurement
3.1 Terms
3.1.1 tissue phantom ratio (tissue-phantomration) TPR
Distance from radiation source to the detector (SCD) constant, on a plane perpendicular to the beam axis and the radiation detector comprising, in order
As the center of the radiation field detector takes a certain value, at different depths mold body, the detector measured the ratio of the absorbed dose,
Is TPR.
3.1.2 treatment level dosimeter (dosemeterwithionizationchambers)
Therapeutic levels of ionization chamber dosimeter based dose detector measuring instruments. Treatment usually consists of ionization level dosimeter
Room and balance cap, measuring unit and stability testing device components.
3.1.3 Calibration depth (calibrationdepth)
Calibration depth in phantom for radiation absorbed dose calibration measurement, effective measurement point where the detector
depth.
3.1.4 Calibration factor (calibrationfactor)
Instrument calibration factor is a measure of the amount of conventional true value divided by the instrument indication (mutatis mutandis) the quotient obtained.
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