EN 60976 EUROPEANSTANDARD NORMEEUROPEENNE EUROPAISCHENORM December2007 ICS 11.040.50; 13.280 Supersedes EN 60976:1999 +A1:2000 English version Medical electrical equipment - Medicalelectronaccelerators Functionalperformancecharacteristics (IEC 60976:2007) Appareilsélectromédicaux MedizinischeelektrischeGerate Accelérateursmedicauxd'électrons Medizinische Elektronenbeschleuniger Caracteristiquesfonctionnelles ApparativeQualitatsmerkmale de performance (IEC60976:2007) (CEI60976:2007) This European Standard was approved by CENELEC on 2007-11-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other tothe Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. CENELEC EuropeanCommitteeforElectrotechnicalStandardization Comite Européen de Normalisation Electrotechnique EuropaischesKomiteefurElektrotechnischeNormung Central Secretariat: rue de Stassart 35,B-1050 Brussels @2007CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members Ref.No.EN60976:2007E - 2 - Foreword The text of document 62C/429/FDIS, future edition 2 of IEC 60976, prepared by SC 62C, Equipment for radiotherapy, nuclear medicine and radiation dosimetry, of IEC Tc 62, Electrical equipment in medical practice, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60976 on 2007-11-01. ThisEuropeanStandard supersedesEN60976:1999+A1:2000. new technologies: dynamic beam delivery techniques, such as MOVING BEAM RADIOTHERAPY, INTENSITY-MODULATED RADIATION THERAPY (IMRT) IMAGE-GUIDED RADIOTHERAPY (IGRT) and · PROGRAMMABLE WEDGE FIELDS (PWF); STEREOTACTIC RADIOTHERAPY (SRT) / STEREOTACTIC RADIOSURGERY (SRS); uSe of ELECTRONIC IMAGING DEVICES. This standard, together with IEC/TR 60977, is to be used in conjunction with EN 60601-2-1. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2008-08-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2010-11-01 In this standard, the following print types are used: requirements, compliance with which can be tested, and definitions: in roman type; explanations, advice, general statements, exceptions and notes: in small roman type; -test specifications and headings of sub-clauses: in italic type; TERMS USED THROUGHOUT THIS PARTICULAR STANDARD THAT HAVE BEEN LISTED IN THE INDEX OF DEFINED TERMS AND DEFINED IN CLAUSE 3, OR IN OTHER STANDARDS: SMALL CAPITALS. AnnexZA has beenaddedby CENELEC. Endorsement notice The text of the International Standard IEC 60976:2007 was approved by CENELEC as a European Standard without any modification. -3- CONTENTS INTRODUCTION.. Scope 2 Normative references 3 Terms and definitions Environmental conditions 4 13 4.1 General.... 13 4.2 Transport and storage 13 Power supply... 13 4.3 General information to the UsER.. 13 5 5.1 Functional performance characteristics 13 5.2 Availablenominal energiesandABSoRBEDDoSERATES 14 5.3 Available RADIATION FIELDS. 14 5.4 NORMAL TREATMENT DISTANCE 14 5.5 AvailableWEDGE X-RAYFIELDS. 14 5.6 Available flattening FILTERS.. 5.7 Availability... 15 5.8 Influencing quantities 15 5.9 Maintenance 15 5.10 Presentation 15 5.11 Dimensions, clearances, within the RADIATIoN HEAD