BS EN 61223-3-5:2004

Foreword
INTRODUCTION
1 Scope and object
2 Normative references
3 Terms and definitions
4 General aspects of ACCEPTANCE TESTS
  4.1 General conditions to be considered in test
      procedures
  4.2 Documents and data for the tests
  4.3 Identification of EQUIPMENT, instrumentation and
      test conditions
  4.4 Scope of tests
  4.5 Test EQUIPMENT, including PHANTOMS and TEST DEVICES
5 Test methods for CT SCANNERS
  5.1 Positioning of the PATIENT SUPPORT
  5.2 PATIENT positioning accuracy
  5.3 TOMOGRAPHIC SECTION THICKNESS
  5.4 Dose
  5.5 NOISE, MEAN CT NUMBER and UNIFORMITY
  5.6 SPATIAL RESOLUTION
Annex A (normative) Terminology - Index of defined terms
Annex B (informative) Recommended criteria for test results
Annex C (informative) Visual Method for LOW CONTRAST
                      RESOLUTION
Annex D (informative) Accuracy of the gantry tilt
Annex E (informative) DOSE PROFILE
Annex F (informative) Alternate test methods for SPATIAL
                      RESOLUTION
Annex G (informative) TOMOGRAPHIC SECTION THICKNESS for helical
                      scanning
Annex ZA (normative) Normative references to international
                      publications with their corresponding
                      European publications
Bibliography

Specifies the essential parameters which describe the performance of the CT scanners with regard to image quality, patient dose and positioning, defines the methods of testing the essential parameters, evaluates compliance with the tolerances of the parameters specified by the accompanying documents. These methods rely mainly on non-invasive measurements, using appropriate test equipment, performed during the installation or after it has been completed.

This standard - defines the essential parameters which describe the performance of the CT scanners with regard to image quality, patient dose and positioning; - defines the methods of testing the essential parameters; - evaluates compliance with the tolerances of the parameters specified by the accompanying documents. These methods rely mainly on non-invasive measurements, using appropriate test equipment, performed during the installation or after it has been completed. Signed statements covering steps in the installation procedure may be used as part of the acceptance test report. This part of IEC 61223 is intended to assist in performing the acceptance tests on a CT scanner. The aim is to verify compliance of the installation with specifications affecting the image quality, patient dose and positioning. The contents of the corrigendum of March 2006 have been included in this copy.