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I.S. EN 62220-1-3:2008

Current
Current

The latest, up-to-date edition.

MEDICAL ELECTRICAL EQUIPMENT - CHARACTERISTICS OF DIGITAL X-RAY IMAGING DEVICES - PART 1-3: DETERMINATION OF THE DETECTIVE QUANTUM EFFICIENCY - DETECTORS USED IN DYNAMIC IMAGING
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2008

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
  4.1 Operating conditions
  4.2 X-RAY EQUIPMENT
  4.3 RADIATION QUALITY
  4.4 TEST DEVICE
  4.5 Geometry
  4.6 IRRADIATION conditions
      4.6.1 General conditions
      4.6.2 AIR KERMA measurement
      4.6.3 LAG EFFECTS
      4.6.4 IRRADIATION to obtain the CONVERSION FUNCTION
      4.6.5 IRRADIATION for determination of the NOISE POWER
            SPECTRUM and LAG EFFECTS
      4.6.6 IRRADIATION with TEST DEVICE in the RADIATION BEAM
      4.6.7 Overview of all necessary IRRADIATIONS
5 Corrections of RAW DATA
6 Determination of the DETECTIVE QUANTUM EFFICIENCY
  6.1 Definition and formula of DQE(u,v)
  6.2 Parameters to be used for evaluation
  6.3 Determination of different parameters from the images
      6.3.1 Linearization of data
      6.3.2 The LAG EFFECTS corrected NOISE POWER SPECTRUM (NPS)
      6.3.3 Determination of the MODULATION TRANSFER FUNCTION (MTF)
7 Format of conformance statement
8 Accuracy
Annex A (informative) Determination of LAG EFFECTS
Annex B (informative) Calculation of the input NOISE POWER SPECTRUM
Bibliography
Index of defined terms
Annex ZA (normative) Normative references to international
         publications with their corresponding European publications
Annex ZZ (informative) Coverage of Essential Requirements of EC
         Directives

Defines 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.

DevelopmentNote
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
DocumentType
Standard
Pages
80
PublisherName
National Standards Authority of Ireland
Status
Current

Standards Relationship
IEC 62220-1-3:2008 Identical
EN 62220-1-3:2008 Identical

ISO 12232:2006 Photography Digital still cameras Determination of exposure index, ISO speed ratings, standard output sensitivity, and recommended exposure index
IEC 60336:2005 Medical electrical equipment - X-ray tube assemblies for medical diagnosis - Characteristics of focal spots
ISO 15529:2010 Optics and photonics Optical transfer function Principles of measurement of modulation transfer function (MTF) of sampled imaging systems
EN 61267:2006 Medical diagnostic X-ray equipment - Radiation conditions for use in the determination of characteristics
ISO/IEC Guide 98:1993 Guide to the expression of uncertainty in measurement (GUM)
IEC TR 60788:2004 Medical electrical equipment - Glossary of defined terms
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
IEC 62220-1:2003 Medical electrical equipment - Characteristics of digital X-ray imaging devices - Part 1: Determination of the detective quantum efficiency
ISO 12233:2017 Photography — Electronic still picture imaging — Resolution and spatial frequency responses
EN 60336:2005 Medical electrical equipment - X-ray tube assemblies for medical diagnosis - Characteristics of focal spots
IEC 61262-5:1994 Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers - Part 5: Determination of the detective quantum efficiency
IEC 61267:2005 Medical diagnostic X-ray equipment - Radiation conditions for use in the determination of characteristics

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