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  • BS EN 60336:2005

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Medical electrical equipment. X-ray tube assemblies for medical diagnosis. Characteristics of focal spots

    Available format(s):  Hardcopy, PDF

    Superseded date:  01-09-2022

    Language(s):  English

    Published date:  13-10-2005

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Determinations for the evaluation of the FOCAL SPOT
       characteristics
       4.1 Statement of the FOCAL SPOT characteristics
       4.2 Longitudinal axis of the X-RAY TUBE ASSEMBLY
       4.3 REFERENCE AXIS of the X-RAY TUBE ASSEMBLY
       4.4 Direction of evaluation for the FOCAL SPOT length
       4.5 Direction of evaluation for the FOCAL SPOT width
    5 FOCAL SPOT camera set-up
       5.1 Overview
       5.2 Test equipment
       5.3 Test arrangement
       5.4 Total uncertainty of the camera set-up
    6 Production of RADIOGRAMS
       6.1 Overview
       6.2 Operating conditions
       6.3 Production of FOCAL SPOT SLIT RADIOGRAMS or FOCAL
           SPOT PINHOLE RADIOGRAMS
       6.4 Statement of compliance
    7 Determination of the LINE SPREAD FUNCTION
       7.1 Overview
       7.2 Measuring equipment and measuring arrangement
       7.3 Measurement of the density distribution
       7.4 Determination of the LINE SPREAD FUNCTION
       7.5 Statement of compliance
    8 Determination of FOCAL SPOT dimensions
       8.1 Overview
       8.2 Measurement and determination
       8.3 Specified NOMINAL FOCAL SPOT VALUES
       8.4 Statement of compliance
       8.5 Marking of compliance
    9 Determination of the MODULATION TRANSFER FUNCTION
       9.1 Overview
       9.2 Specified MODULATION TRANSFER FUNCTION
       9.3 Calculation of the MODULATION TRANSFER FUNCTION
       9.4 Evaluation of compliance of the MTF
       9.5 Statement of compliance
    10 FOCAL SPOT STAR RADIOGRAMS
       10.1 Overview
       10.2 Test equipment
    11 STAR PATTERN RESOLUTION LIMIT
       11.1 Overview
       11.2 Specified STAR PATTERN RESOLUTION LIMIT
       11.3 Measurement
       11.4 Determination of the STAR PATTERN RESOLUTION LIMIT
       11.5 Evaluation and statement of compliance
    12 BLOOMING VALUE
       12.1 Overview
       12.2 Determination of the BLOOMING VALUE
       12.3 Evaluation and statement of compliance
    13 Alternate measurement methods
    Annex A (informative) Alignment to the REFERENCE AXIS
    Annex B (informative) Application of digital X-ray image
                           detectors for determination of the
                           FOCAL SPOT characteristics
    Annex C (informative) Historical background
    Annex ZA (normative) Normative references to international
                           publications with their corresponding
                           European publications
    Bibliography
    Index of defined terms

    Abstract - (Show below) - (Hide below)

    Applies to FOCAL SPOTS in medical diagnostic X-RAY TUBE assemblies for medical use, operating at X-RAY TUBE VOLTAGES up to and including 200 kV.

    Scope - (Show below) - (Hide below)

    Applies to focal spots in medical diagnostic X-ray tube assemblies or medical use, operating at X-ray tube voltages up to and including 200 kV. Describes the test methods for evaluating focal spot characteristics and the means for indicating compliance. The contents of the corrigendum of May 2006 have been included in this copy.

    General Product Information - (Show below) - (Hide below)

    Committee CH/62/2
    Development Note Renumbers and supersedes BS 6530(1994). 1995 version incorporates amendment 8835 to BS 6530(1994). Also numbered as IEC 60336:1993. Supersedes BS 6530(1984) & 87/52123 DC. (10/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 7725-3.2(1997) : 1997 EVALUATION AND ROUTINE TESTING IN MEDICAL IMAGING DEPARTMENTS - CHEMICAL METHODS - IMAGING PERFORMANCE OF MAMMOGRAPHIC X-RAY EQUIPMENT
    BS EN 61262-7:1996 Characteristics of electro-optical X-ray image intensifiers for medical electrical equipment Determination of the modulation transfer function

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 60613:2010 Electrical and loading characteristics of X-ray tube assemblies for medical diagnosis
    IEC TR 60788:2004 Medical electrical equipment - Glossary of defined terms
    IEC 60613:2010 Electrical and loading characteristics of X-ray tube assemblies for medical diagnosis
    IEC 60601-2-28:2017 Medical electrical equipment - Part 2-28: Particular requirements for the basic safety and essential performance of X-ray tube assemblies for medical diagnosis
    IEC 60601-2-28 : 3.0 MEDICAL ELECTRICAL EQUIPMENT - PART 2-28: PARTICULAR REQUIREMENTS FOR THE BASIC SAFETY AND ESSENTIAL PERFORMANCE OF X-RAY TUBE ASSEMBLIES FOR MEDICAL DIAGNOSIS
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