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IEC 62220-1-2:2007

Medical electrical equipment - Characteristics of digital X-ray imaging devices - Part 1-2: Determination of the detective quantum efficiency - Detectors used in mammography

Edition date: 2007-06-05
In Force
Available languages: Spanish, English, French
Summary: 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 Part 1-2 is restricted to digital X-ray imaging devices that are used for mammographic imaging such as but not exclusively, CR systems, direct and indirect flat panel detector based systems, scanning systems (CCD based or photon-counting). This part of IEC 62220 is not applicable to - digital X-ray imaging devices intended to be used in general radiography or in dental radiography; - computed tomography; and - devices for dynamic imaging (where series of images are acquired, as in fluoroscopic or cardiac imaging).

Spécifie la méthode de la détermination de l'efficacite quantique de détection (EQD) des dispositifs d'imagerie numérique à rayons X en fonction du kerma dans l'air et de la fréquence spatiale pour les conditions de fonctionnement dans la gamme des applications médicales, suivant les spécifications du fabricant. Les utilisateurs prévus de la présente partie de la CEI 62220 sont les fabricants et les laboratoires d'essai bien équipés. Cette Partie 1-2 est limitée aux dispositifs d'imagerie numérique à rayonnement X utilisés dans l'imagerie mammaire, tels que, mais pas exclusivement, les systèmes à écrans photo stimulables (connus sous la désignation de "Computer Tomography", CR), les systèmes à base de détecteur à panneau plat direct ou indirect, les systèmes de balayage (à base de dispositif à transfert de charge (CCD en anglais) ou à comptage de photons). La présente partie de la CEI 62220 n'est pas applicable: - aux dispositifs d'imagerie numérique à rayonnement X destinés à être utilisés en radiographie générale ou en radiographie dentaire; - à la tomodensitométrie; et - aux dispositifs d'imagerie dynamique (où des ensembles d'images sont acquis, comme dans l'imagerie radioscopique ou cardiaque).
ICS: 11.040.50-Radiographic equipment
CTN: TC 62/SC 62B - 1361

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