ISO INTERNATIONAL STANDARD 20308 First edition 2017-05 Traditional Chinese medicine Gua Sha instruments Médecine traditionnelle chinoise - Instruments Gua Sha Reference number IS0 20308:2017(E) International Organization for Standardization @ IS0 2017 =ZHEJIANG INST OF STANDARDIZATION C15956617 vided by IHS under lic itted without license from IHS IS0 20308:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS02017,PublishedinSwitzerland All rights reserved. Unless otherwise specified, 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 on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Intenationaibr Prganization for Standardization icensee-ZHEJIANG INST OF STANDARDIZRoISQ s1.7 - All rights reserved Not for Resale, 2017/8/21 01:09:13 etworking permitted without license from IHS IS0 20308:2017(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Appearance ..1 4.1 Shape .1 4.2 Appearance .2 5 Material. .2 6 Requirements. .3 6.1 Visual inspection 3 6.2 Cleaning and disinfection 3 6.3 Hardness. 3 6.4 Roughness .3 6.5 Resistance to abrasion.. 3 6.6 Exposure index of radionuclide activity 6.7 Biocompatibility 4 7 Packaging. .4 7.1 Primary packaging. .4 7.2 Secondary packaging ..5 8 Transport and storage ..5 9 Labelling and instructions for use .5 9.1 Labelling. 9.1.1 Primary packaging. .5 9.1.2 Secondary packaging. .5 9.2 Instructionsforuse .6 Annex A (informative) Test methods for surface roughness ..7 Annex B (informative) Dimension and configuration of Gua Sha instruments .9 Bibliography .13 iii Not for Resale, 2017/8/2101:09:13 icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 vithout license from IHS