IEC_61847-1998.pdf

INTERNATIONALSTANDARDIEC61847First edition1998-01Ultrasonics Surgical systems Measurement and declaration of the basicoutput characteristicsUltrasons Systmes de chirurgie Mesure et dclaration des caractristiquesde sortieReference numberCEI/IEC 61847:1998(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.NumberingAs from 1 January 1997 all IEC publications are issued with a designation in the 60000 series.Consolidated publicationsConsolidated versions of some IEC publications including amendments are available.For example,edition numbers1.0,1.1 and 1.2 refer,respectively,to the base publication,the base publication incorporating amendment 1 andthe base publication incorporating amendments 1 and 2.Validity of this publicationThe technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the contentreflects current technology.Information relating to the date of the reconfirmation of the publication is available in the IEC catalogue.Information on the revision work,the issue of revised editions and amendments may be obtained from IEC NationalCommittees and from the following IEC sources:IEC BulletinIEC YearbookOn-line access*Catalogue of IEC publicationsPublished yearly with regular updates(On-line access)*Terminology,graphical and lettersymbolsFor general terminology,readers are referred to IEC 60050:International Electrotechnical Vocabulary(IEV).For graphical symbols,and letter symbols and signs approved by the IEC for general use,readers are referred topublications IEC 60027:Letter symbols to be used in electrical technology,IEC 60417:Graphical symbols for use onequipment.Index,survey and compilation of the single sheets and IEC 60617:Graphical symbols for diagrams.IEC publications prepared by the same technical committeeThe attention of readers is drawn to the end pages of this publication which list the IEC publications issued by thetechnical committee which has prepared the present publication.*See web site address on title page.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONALSTANDARDIEC61847First edition1998-01Ultrasonics Surgical systems Measurement and declaration of the basicoutput characteristicsUltrasons Systmes de chirurgie Mesure et dclaration des caractristiquesde sortie Commission Electrotechnique Internationale International Electrotechnical CommissionPour prix,voir catalogue en vigueurFor price,see current catalogue IEC 1998 Droits de reproduction rservs Copyright-all rights reservedAucune partie de cette publication ne peut tre reproduite niutilise sous quelque forme que ce soit et par aucunprocd,lectronique ou mcanique,y compris la photo-copie et les microfilms,sans laccord crit de lditeur.No part of this publication may be reproduced or utilized inany form or by any means,electronic or mechanical,including photocopying and microfilm,without permission inwriting from the publisher.International Electrotechnical Commission3,rue de Varemb Geneva,SwitzerlandTelefax:+41 22 919 0300e-mail:inmailiec.ch IEC web site http:/www.iec.chCODE PRIXPRICE CODEVLICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61847 IEC:1998(E)CONTENTSPageFOREWORD.3INTRODUCTION.4Clause1Scope.52Normative references.53Definitions.64List of symbols.95General measurement requirements.95.1Operating conditions.95.2Load conditions.95.3Preparation for measurements.106Measurement procedures.106.1Primary tip vibration excursion.106.2Secondary tip vibration excursion.116.3Drive frequency.116.4Tip vibration frequency.116.5Derived output acoustic power and output acoustic power.126.6Directivity pattern.136.7Primary tip vibration excursion modulation.136.8Duty cycle.146.9Quiescent electrical power.146.10Maximum electrical power.146.11Primary acoustic output area.156.12Secondary acoustic output area.156.13Power reserve index.157Declaration of output characteristics.15Figures.16AnnexesA Measurement methods and conditions.21B Theory of operation of ultrasonic surgical devices.26C Bibliography.29LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.61847 IEC:1998(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION_ULTRASONICS SURGICAL SYSTEMS Measurement and declaration of the basic output characteristicsFOREWORD1)The IEC(International Electrotechnical Commission)is a worldwide organization for standardization comprisingall national electrotechnical committees(IEC National Committees).The object of the IEC is to promoteinternational co-operation on all questions concerning standardization in the electrical and electronic fields.Tothis end and in addition to other activities,the IEC publishes International Standards.Their preparation isentrusted to technical committees;any IEC National Committee interested in the subject dealt with mayparticipate in