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IEC 62220-1-1:2015

(Main)

Medical electrical equipment - Characteristics of digital X-ray imaging devices - Part 1-1: Determination of the detective quantum efficiency - Detectors used in radiographic imaging

Medical electrical equipment - Characteristics of digital X-ray imaging devices - Part 1-1: Determination of the detective quantum efficiency - Detectors used in radiographic imaging

IEC 62220-1-1:2015 specifies the method for the determination of the DETECTIVE QUANTUM EFFICIENCY (DQE) of DIGITAL X-RAY IMAGING DEVICES as a function of AIR KERMA and of SPATIAL FREQUENCY for the working conditions in the range of the medical application as specified by the MANUFACTURER. The intended users of this part of IEC 62220 are manufacturers and well equipped test laboratories. This first edition of IEC 62220-1-1 cancels and replaces IEC 62220-1:2003. It constitutes a technical revision of IEC 62220-1:2003 and assures a better alignment with the other parts of the IEC 62220 series. The main changes are as follows:
- necessary modifications have been applied as a consequence of taking into account IEC 61267:2005. This influences HVL values and SNRin2;
- the method for the determination of LAG EFFECTS now considers lag and ghosting compensation;
- as part of the MTF determination, the method of obtaining the final averaged MTF has been restricted (only averaging of the ESF is allowed);
- a description of (optionally) obtaining the diagonal (45°) MTF and NPS has been added.

Appareils électromédicaux - Caractéristiques des dispositifs d'imagerie à rayonnement X - Partie 1-1: Détermination de l'efficacité quantique de détection - Détecteurs utilisés en imagerie radiographique

L'IEC 62220-1-1:2015 spécifie la méthode de détermination de l'EFFICACITE QUANTIQUE DE DETECTION (EQD) des DISPOSITIFS D'IMAGERIE NUMERIQUE A RAYONNEMENT X en tant qu'une fonction du KERMA DANS L'AIR et de la FREQUENCE SPATIALE pour les conditions de fonctionnement dans la gamme des applications médicales, telles que spécifiées par le FABRICANT. Les utilisateurs prévus de la présente partie de l'IEC 62220 sont les fabricants et les laboratoires d'essai bien équipés. La présente Partie 1-1 est limitée aux DISPOSITIFS D'IMAGERIE NUMERIQUE A RAYONNEMENT X qui sont utilisés dans l'imagerie radiographique, tels que, mais pas exclusivement, les systèmes CR et les systèmes à base de détecteur à panneau plat direct ou indirect. Cette première édition de l'IEC 62220-1-1 annule et remplace l'IEC 62220-1:2003. Cette édition constitue une révision technique de l'IEC 62220-1:2003 et assure un meilleur alignement avec les autres parties de la série IEC 62220. Les changements majeurs sont les suivants:
- l'application des modifications nécessaires suite à la prise en compte de l'IEC 61267:2005. Cela influence les valeurs de HVL et SNRin2;
- la prise en compte de la compensation de rémanence ou d'images fantômes dans la méthode pour la détermination des EFFETS DE REMANENCE;
- la limitation de la méthode d'obtention de la MTF moyenne finale dans le cadre de la détermination de la MTF (seul l'établissement de la moyenne de l'ESF est autorisé);
- l'ajout d une description de l'obtention (facultative) de la MTF diagonale (45 degrés) et du NPS.

General Information

Status
Published
Publication Date
11-Mar-2015
ICS
01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
11.040.50 - Radiographic equipment
Technical Committee
SC 62B - Medical imaging equipment, software, and systems
Drafting Committee
WG 44 - TC 62/SC 62B/WG 44
Current Stage
PPUB - Publication issued
Start Date
15-Apr-2015
Completion Date
12-Mar-2015
Ref Project

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IEC 62220-1-1:2015 - Medical electrical equipment - Characteristics of digital X-ray imaging devices - Part 1-1: Determination of the detective quantum efficiency - Detectors used in radiographic imagingIEC 62220-1-1:2015 - Medical electrical equipment - Characteristics of digital X-ray imaging devices - Part 1-1: Determination of the detective quantum efficiency - Detectors used in radiographic imaging
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IEC 62220-1-1:2015 - Medical electrical equipment - Characteristics of digital X-ray imaging devices - Part 1-1: Determination of the detective quantum efficiency - Detectors used in radiographic imaging
English and French language
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IEC 62220-1-1
®

Edition 1.0 2015-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE


Medical electrical equipment – Characteristics of digital X-ray imaging devices –
Part 1-1: Determination of the detective quantum efficiency – Detectors used in
radiographic imaging

Appareils électromédicaux – Caractéristiques des dispositifs d’imagerie à
rayonnement X –
Partie 1-1: Détermination de l'efficacité quantique de détection – Détecteurs
utilisés en imagerie radiographique

IEC 62220-1-1:2015-03(en-fr)

---------------------- Page: 1 ----------------------
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