ISO INTERNATIONAL STANDARD 19490 First edition 2017-06 DentistrySinusmembrane elevator Medecinebucco-dentaire-Sinusmembraneélevateurs Referencenumber IS019490:2017(E) iso Intemational Organization for Standardization @IS02017 e=ZHEJIANG INST OF STANDARDIZATION C15956617 No reproduction or networking permitted without license from IHS IS0 19490:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS02017,Published in Switzerland 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 +4122 749 09 47 [email protected] www.iso.org Uicensee-ZHEJIANG INSTOF STANDARDIZRoISQl.7 -All rights reserved etworking permitted without license from IHS Not for Resale, 2017/8/21 01:05:52 IS0 19490:2017(E) Contents Page Foreword ..iv Introduction.. 1 Scope. 2 Normative references 3 Terms and definitions 4 Classification .2 5 Requirements .2 5.1 Material of the working end .2 5.2 Material for the handle .2 5.3 Dimensions .2 5.4 Surfacefinish .2 5.5 Resistance to reprocessing 2 5.6 Hardness of the working end .2 5.7 Connection of shank and handle .2 5.8 Shape of working end .2 6 Testmethod ..4 6.1 Measurement of length 4 6.2 Test on surface finish .4 6.3 Test on resistance toreprocessing .4 6.4 Hardnesstest .4 6.5 Connectionofshankandhandle .4 6.5.1 Test undertensileforce .4 6.5.2 Test under torque. 7 Marking ..4 7.1 Marking on the instrument .4 7.2 Labelling on the package. 7.3 Instructions for use. .4 Bibliography .5 iii icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 ithout license from IHS Not for Resale, 2017/8/21 01:05:52