BS EN 61223-2-6:2007
Current
The latest, up-to-date edition.
Evaluation and routine testing in medical imaging departments Constancy tests. Imaging performance of computed tomography X-ray equipment
Hardcopy , PDF
English
30-11-2007
INTRODUCTION
1 Scope and object
2 Normative references
3 Terms and definitions
4 General aspects of CONSTANCY TESTS
4.1 Preconditions
4.2 General conditions affecting test procedures
4.3 Establishment of BASELINE VALUES
4.4 Identification of equipment, instrumentation and test
conditions
4.5 Scope of the CONSTANCY TESTS
4.6 Test equipment, including PHANTOMS and TEST DEVICES
4.7 Frequency of CONSTANCY TESTS
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, UNIFORMITY AND MEAN CT NUMBERS
5.6 SPATIAL RESOLUTION
Annex A (informative) - Guidance on action to be taken
Annex B (informative) - Alternate test methods for SPATIAL RESOLUTION
Annex C (informative) - TOMOGRAPHIC SECTION THICKNESS for helical
scanning
Annex D (informative) - Visual method for LOW CONTRAST RESOLUTION
Bibliography
Index of terms
Annex ZA (normative) - Normative references to international
publications with their corresponding European
publications
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