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IEC 60731-ed.3.0
Medical electrical equipment - Dosimeters with ionization chambers as used in radiotherapy
STANDARD published on 25.2.2011
The information about the standard:
Designation standards: IEC 60731-ed.3.0
Publication date standards: 25.2.2011
SKU: NS-411181
The number of pages: 203
Approximate weight : 640 g (1.41 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60731-ed.3.0 :
IEC 60731:2011 specifies the performance requirements of radiotherapy dosimeters, intended for the measurement of absorbed dose to water or air kerma (and their rates and spatial distributions) in photon, electron, proton or heavy ion radiation fields as used in radiotherapy. The dose monitoring systems incorporated in radiotherapy treatment machines are not covered by this standard, neither are the re-entrant ionization chambers used for brachytherapy source calibration and constancy check devices. IEC 60731:2011 is applicable to the following types of dosimeter: a) field-class dosimeters normally used for 1) in vivo skin surface or intracavitary measurements of dose on patients. 2) in vivo skin surface or intracavitary measurements of dose on patients. b) reference-class dosimeters normally used for the calibration of field-class dosimeters; c) scanning-class dosimeters normally used for relative dose distribution measurements with a scanning system such as an automatic water phantom. The object of this standard is: - to establish requirements for a satisfactory level of performance for radiotherapy dosimeters; - to standardize methods for the determination of compliance with this level of performance. Three levels of performance are specified: - a lower level of performance applying to field-class dosimeters; - a higher level of performance applying to reference-class dosimeters; - a specific level of performance applying to scanning-class dosimeters. This third edition cancels and replaces the second edition published in 1997 and its Amendment 1 (2002) and constitutes a technical revision. The technical modifications versus the second edition of this standard concerns performance requirements of radiotherapy dosimeters intended for the measurement of absorbed dose to water or air kerma in heavy ion radiation fields and scanning-class dosimeters normally used for relative dose distribution measurements with a scanning system such as an automatic water phantom. La CEI 60731:2011 specifie les exigences de performance des dosimetres de radiotherapie, destines a mesurer la dose absorbee dans leau ou le kerma dans lair (et les debits et distributions spatiales correspondants) dans les champs de rayonnement de photons, electrons, protons ou ions lourds utilises en radiotherapie. Les systemes de surveillance de dose incorpores dans les appareils de radiotherapie ne sont pas vises par la presente norme, pas plus que les chambres a ions reentrants utilises pour letalonnage des sources en curietherapie et les controleurs de constance. La CEI 60731:2011 est applicable aux types suivants de dosimetre: a) dosimetres de classe de routine servant normalement a 1) mesurer le kerma ou la dose dans un faisceau de rayonnement, dans lair ou dans un fantome; 2) mesurer la dose recue par les patients in vivo a la surface de la peau ou a linterieur dune cavite. b) dosimetres de classe de reference servant normalement a etalonner les dosimetres de classe de routine. c) dosimetres de classe de balayage servant normalement a mesurer la distribution de dose relative a laide dun systeme de balayage tel quun fantome automatique de prelevement deau. Lobjet de la presente norme est: - de fixer les exigences pour un niveau de performance satisfaisant des dosimetres de radiotherapie; - de normaliser les methodes servant a determiner la conformite a ce niveau de performance. Trois niveaux de performance sont specifies: - le niveau le plus faible concerne les dosimetres de classe de routine; - le niveau le plus eleve concerne les dosimetres de classe de reference. - le niveau specifique concerne les dosimetres de classe de balayage. Cette troisieme edition annule et remplace la deuxieme edition parue en 1997 et son Amendement 1 (2002), dont elle constitue une revision technique. Les modifications techniques apportees par rapport a la deuxieme edition de la presente norme concernent les exigences de performance applicables aux dosimetres de radiotherapie destines a etre utilises pour le mesurage de la dose absorbee dans leau ou du kerma dans lair dans des champs de rayonnement dions lourds, et aux dosimetres de classe de balayage generalement utilises pour les mesurages de la dose relative avec un systeme de balayage tel quun fantome automatique de prelevement deau.
These changes apply to this standard:
IEC 60731-ed.3.0/Amd.1
Change
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Amendment 1 - Medical electrical equipment - Dosimeters with ionization chambers as used in radiotherapy
(Amendement 1 - Appareils electromedicaux - Dosimetres a chambres d´ionistation utilises en radiotherapie)
Change published on 8.4.2016
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