IEC TS 62791 : 1ED 2015

ULTRASONICS - PULSE-ECHO SCANNERS - LOW-ECHO SPHERE PHANTOMS AND METHOD FOR PERFORMANCE TESTING OF GRAY-SCALE MEDICAL ULTRASOUND SCANNERS APPLICABLE TO A BROAD RANGE OF TRANSDUCER TYPES

International Electrotechnical Committee

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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 General and environmental conditions
6 Equipment required
7 Data acquisition assuming a spatially random
  distribution of low-echo spheres
7 MHz frequency range
8 Automated data analysis for quantifying low-echo
  sphere detectability
Annex A (informative) - Example of a phantom for
        performance testing in the 2 MHz to
        7 MHz frequency range
Annex B (informative) - Illustrations of the computation
        of LSNR[m]-values as a function of depth
Annex C (informative) - Sufficient number of data images
        to assure reproducibility of results
Annex D (informative) - Example of a phantom for
        performance testing in the 7 MHz to 15 MHz frequency
        range
Annex E (informative) - Determination of low-echo sphere
        positions to within D/8 in x, y and z Cartesian
        coordinates
Annex F (informative) - Test of total internal reflection
        produced by alumina and plateglass, plane reflectors
Annex G (informative) - Results of a test of reproducibility
        of LSNR[m] versus depth for a phantom with 4 mm-diameter
        low-echo spheres and 2 spheres per millilitre
Annex H (informative) - Results for low-echo sphere-concentration
        dependence of LSNR[m] versus depth for phantoms with
        4 mm-diameter spheres
Annex I (informative) - Results for low-echo sphere-concentration
        dependence of LSNR[m] versus depth for phantoms with 3,2
        mm-diameter spheres
Annex J (informative) - Comparison of two different makes of
        scanner with similar transducers and console settings
Annex K (informative) - Special considerations for 3-D probes
Bibliography