IEC TS 62791:2015
Superseded
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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
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
07-18-2022
English
09-08-2015
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
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