1、 INTERNATIONALSTANDARD IEC61675-2 Edition 1.12005-02 Radionuclide imaging devices Characteristics and test conditions Part 2:Single photon emission computed tomographs Reference number IEC 61675-2:1998+A1:2004(E)Edition 1:1998 consolidated with amendment 1:2004 LICENSED TO MECON Limited.-RANCHI/BANG
2、ALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editions The IEC is now publishing consol
3、idated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,the base publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2.Further information on IEC publications The technical content of IEC pub
4、lications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating to this publication,including its validity,is available in the IEC Catalogue of publications(see below)in addition to new editions,amendments and corrigenda.Information
5、on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication,as well as the list of publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publications The on-line catalogue on the IEC we
6、b site(www.iec.ch/searchpub)enables you to search by a variety of criteria including text searches,technical committees and date of publication.On-line information is also available on recently issued publications,withdrawn and replaced publications,as well as corrigenda.IEC Just Published This summ
7、ary of recently issued publications(www.iec.ch/online_news/justpub)is also available by email.Please contact the Customer Service Centre(see below)for further information.Customer Service Centre If you have any questions regarding this publication or need further assistance,please contact the Custom
8、er Service Centre:Email:custserviec.ch Tel:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONAL STANDARD IEC61675-2 Edition 1.12005-02 Radionuclide imaging devices Characteristics and test
9、 conditions Part 2:Single photon emission computed tomographs IEC 2005 Copyright-all rights reserved No part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from the publisher.In
10、ternational Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.ch CJFor price,see current catalogue PRICE CODE Commission Electrotechnique InternationaleInternational Electrotechnical
11、 Commission Edition 1:1998 consolidated with amendment 1:2004 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61675-2 IEC:1998+A1:2004(E)CONTENTS FOREWORD.3 1 General.5 1.1 Scope and object.5 1.2 Normative references.5 2 Terminology
12、and definitions.6 3 Test methods.12 3.1 Calibration measurements.13 3.2 Measurement of COLLIMATOR hole misalignment.14 3.3 Measurement of SPECT system SENSITIVITY.14 3.4 Scatter.16 3.5 Measurement of SPECT non-uniformity of response.18 3.6 SPECT system SPATIAL RESOLUTION.18 3.7 Test methods for sing
13、le photon computer tomographs operated in coincidence detection mode.19 4 ACCOMPANYING DOCUMENTS.32 Annex A Index of defined terms.46 Figure 1 Geometry of PROJECTIONS.35 Figure 2 Cylindrical head phantom.36 Figure 3 Phantom insert with holders for the scatter source.37 Figure 4 Evaluation of SCATTER
14、 FRACTION.38 Figure 5 Reporting TRANSVERSE RESOLUTION.39 Figure 6 Evaluation of FWHM.40 Figure 7 Evaluation of EQUIVALENT WIDTH(EW).41 Figure 8 Phantom insert with hollow spheres.42 Figure 9 Cross-section of body phantom.43 Figure 10 Arm phantom.43 Figure 11 Phantom configuration for COUNT RATE meas
15、urements according to 3.7.5.3.1.2.44 Figure 12 Scheme of the evaluation of COUNT LOSS correction.44 Figure 13 Phantom insert for the evaluation of ATTENUATION correction.45 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.61675-2 IEC:19
16、98+A1:2004(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ RADIONUCLIDE IMAGING DEVICES CHARACTERISTICS AND TEST CONDITIONS Part 2:Single photon emission computed tomographs FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC National Committees).The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fiel
