1、 IEC/TS 62558 Edition 1.0 2011-03 TECHNICAL SPECIFICATION Ultrasonics Real-time pulse-echo scanners Phantom with cylindrical,artificial cysts in tissue-mimicking material and method for evaluation and periodic testing of 3D-distributions of void-detectability ratio(VDR)IEC/TS 62558:2011(E)colourinsi
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11、 Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.IEC/TS 62558 Edition 1.0 2011-03 TECHNICAL SPECIFICATION Ultrasonics Real-time pulse-echo scanners Phantom with cylindrical,artificial cysts in tissue-m
12、imicking material and method for evaluation and periodic testing of 3D-distributions of void-detectability ratio(VDR)INTERNATIONAL ELECTROTECHNICAL COMMISSION X ICS 17.140.50 PRICE CODE ISBN 978-2-88912-377-3 Registered trademark of the International Electrotechnical Commission colourinsideCopyright
13、ed material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.2 TS 62558 IEC:2011(E)CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.7 3 Terms and defini
14、tions.7 4 Symbols.11 5 Ambient conditions of measurement with the phantom.12 6 Specification of TMM 3D artificial anechoic-cyst phantom.12 6.1 3D-phantom concept.12 6.2 General phantom specification.12 6.3 TMM specifications:.12 6.4 Anechoic targets.13 6.5 Phantom enclosure.13 6.6 Scanning surface:.
15、13 6.7 Dimensions.13 6.8 Phantom stability.14 6.9 Digitized image data.14 7 Principle of measurement using the 3D anechoic void phantom.15 7.1 General.15 7.2 Analysis.15 Annex A(informative)Description of construction of an example phantom and test results.17 Annex B(informative)System description.3
16、7 Annex C(informative)Rationale.38 Annex D(informative)Uniformity measurement.41 Bibliography.48 Figure A.1 Example of measurement test equipment.17 Figure A.2a)Package of TMM slices containing alternating void slices and attenuation slices of polyurethane foam.19 Figure A.2b)Holes of different diameters in the void slices allow the use of the phantom with different ultrasound frequencies(1 15 MHz).19 Figure A.2 TMM slices.19 Figure A.3 Structure of foam.19 Figure A.4 C-images of voids.20 Fig