Podrobnosti návrhu

Číslo:62B/1135/CDV - IEC 60522-1 ED1
Zdroj:ISO\IEC\CEN\CENELEC
Komise:IEC/SC 62B
Název komise:Diagnostic imaging equipment
Návrh uveřejněn:22.07.2019
K připomínkám do:18.09.2019
Oblast zaměření:Řízení procesů
Contact email:cermak(at)agentura-cas.cz
Anotace:

This International Standard applies to X‑ray tube assemblies and to filtering material, in medical diagnostic applications up to a high voltage of 150 kV. For high voltages greater than 50 kV, this standard applies to x-ray tube assemblies with tungsten or tungsten-alloy targets only.

NOTE 1 The filtering material in the x-ray beam can be removable or irremovable; it can be positioned in any orientation or can have any shape (e.g. tapering thickness) – although usually plane-parallel material, perpendicular to the reference axis is applied. Examples of filtering materials are added filters, a patient table (in case of an under-table x-ray tube assembly), materials in the beam limiting device, or a breast compression device.

NOTE 2  The methodology and statement of compliance given in this standard is for flat filters only, but the methodology can be used for any kind of non-flat filter. In that case further data needs to be included with the result to be useful, e.g. field size, geometry/position on filter, etc.

This standard defines the concept of permanent filtration of X‑ray tube assemblies, and it defines the term filtering material.

Methods are given to determine the permanent filtration of an X‑ray tube assembly and for determining the quality equivalent filtration of filtering materials.

It contains requirements for statements of compliance of X‑ray tube assemblies in accompanying documents and for markings on X‑ray tube assemblies.

NOTE 3 This standard does not contain requirements for any specific values of permanent filtration. For X‑ray equipment used for diagnostic purposes, filtration requirements are given in e.g. IEC 60601-1-3:2008 + A1:2013 or in the applicable particular standard, e.g. IEC 60601-2-28:2017.

NOTE 4 The method of determination described in this standard is suitable as a type test. It is not intended as a test to be applied by the user.

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