I.S. EN 61223-3-3:1997

INTRODUCTION
1 Scope and object
    1.1 Scope
    1.2 Object
2 Normative references
3 Terminology
    3.1 Degree of requirements
    3.2 Use of terms
    3.3 Defined terms
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 Test conditions
    4.4 Test parameters
    4.5 Test equipment including phantoms and test devices
    4.6 Evaluating the test results
5 Test methods for x-ray equipment for DSA
    5.1 Identification
    5.2 Check of documents
    5.3 Decision on representative DSA operation modes
    5.4 Visual and functional tests
    5.5 Air kerma measurements
    5.6 Dynamic range
    5.7 DSA contrast sensitivity
    5.8 DSA visual spatial resolution
    5.9 Artifacts
    5.10 Compensation for attenuation non-linearity
          (optional)
6 Test report and statement of compliance
Annexes
A Terminology - Index of defined terms
B Example of a DSA phantom without test step for
    compensation
C Example of a DSA phantom with test step for compensation
ZA (normative) Normative references to international
    publications with their corresponding European
    publications

Applies to those components of X-ray equipment which influence the image quality of equipment for digital subtraction angiography (DSA) with an imaging system consisting of an X-ray generation subsystem, a detection device comprising an X-ray image intensifier television chain, means of digitisation and digital image processing, image storage and image manipulation including subtraction, and facilities for image display.