ISO INTERNATIONAL STANDARD 20570 First edition 2018-09 Dentistry Oral surgical scalpel handle Médecine bucco-dentaire - Manche de bistouri pour chirurgie buccale Reference number IS0 20570:2018(E) rso International Organization for Standardization Shenzhen Institute of Standards and Technology 9972181 @IS02018 ardsBodies IS020570:2018(E) COPYRIGHTPROTECTEDDOCUMENT @IS02018 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting below or Iso's member body in the country of the requester. ISO copyright office CP401·Ch.deBlandonnet8 CH-1214 Vernier, Geneva Phone:+4122 749 0111 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ganizationfor Standardization icensee-Shenzhen Institute of Standards andecISogf1&- All rights reserved rious National Standards Bodies IS0 20570:2018(E) Contents Page Foreword ..iv Introduction. .. 1 Scope. 2 Normative references 3 Terms and definitions 4 Classification ..2 5 Requirements .2 5.1 Shape. .2 5.2 Dimensions 5.2.1 Maximum overall length .4 5.2.2 Dimensions of fitting feature. 5.2.3 Dimensions of the shank. .4 5.2.4 Angle between the handle and the working tip 5.3 Materials 4 5.4 Surfacefinish .4 5.5 Resistance to reprocessing .5 5.6 Hardness .5 5.7 Security of attachment .5 6 Measurement and test methods .5 6.1 Measurement of dimensions. .5 6.2 Test on surface finish. 5 6.3 Test on resistance to reprocessing 5 6.4 Hardnesstest .5 6.5 Security of attachment. .5 Marking, labelling and instructions for use .5 7.1 Marking on the scalpel handle. ..5 7.2 Labelling on the package 6 7.3 Instructionsforuse 6 Inteainal oganzation @s1S.201.8 - All rights reserved iii ee=Shenzhen Institute of Standards and Technology 9972181 Tanoutlicensena Not for Resale, 2018/12/5 07:26:42