This part of IEC 61223 applies to the effectiveness of mammographic X-ray equipment, with respect to image quality and dose, in combination with aspects of equipment safety.
This standard applies to mammographic X-ray equipment and mammographic stereotactic devices.
The tests described in this standard require the quality and performance of the X-ray image receptors to be assured prior to the acceptance testing when they are not an integral part of the mammographic X-ray equipment. This includes radiographic films, intensifying screens, radiographic cassettes, storage phosphor plates and associated equipment such as film processors or storage phosphor plate readers, image display devices and hard copy cameras.
For testing radiographic cassettes and intensifying screens, this standard makes reference to ISO 4090. Sensitivity and contrast for the screen-film image receptors are considered to be stated according to ISO 9236-3.
By the measurements described in this standard, data for average glandular dose calculation can be determined.
When the results of the acceptance test are in compliance with the expected values, the baseline values for the subsequent constancy tests are established.
This part of IEC 61223 defines
a) the essential parameters which describe the performance of the above-mentioned mammographic X ray equipment with regard to image quality and dose; and
b) the methods of testing whether measured quantities related to those parameters comply with specified tolerances.
These methods mainly rely on non-invasive measurements that use appropriate test equipment and are performed during or after the installation. Signed statements covering steps in the installation procedure can be used as part of the acceptance test. Tests required by a higher level of compliance take precedence over similar tests with a lower level of compliance.
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