ISO INTERNATIONAL STANDARD 20487 First edition 2019-05 Traditional Chinese medicine Test method of single-use acupuncture needles for electrical stimulation Medecine traditionnelle chinoise - Méthode d'essai pour les aiguilles d'acuponcture a usage unique pour la stimulation électrique Reference number IS0 20487:2019(E) @ IS0 2019 IS0 20487:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2019 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 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 CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Fax: +4122 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland i @ IS0 2019 - All rights reserved IS0 20487:2019(E) Contents Page Foreword .iv Introduction V 1 Scope. 1 2 Normative references .1 3 Terms and definitions 1 4 Principle .2 5 Reagents and materials .2 6 Apparatus. 2 6.1 Pulse generator. 2 6.2 Recorder 2 6.3 Water bath 2 6.4 Resistor. 2 7 Procedure 3 7.1 Test environment 3 7.2 Test set-up. 3 7.3 Temperature of the simulated body fluid 3 7.4 Test condition 3 7.4.1 Position of acupuncture needles 3 7.4.2 Parameters of pulse generator 3 7.5 Number of tests 4 7.6 Optionaltest 4 8 Test report 4 Annex A (normative) Set-up, conditions and procedure 5 Annex B (informative) Optional test for comparison. 1 Annex C (informative) Test result chart for corrosion .8 Annex D (informative) Background and utilization of the test method .9 Bibliography 10 @ IS0 2019 - All rights reserved iii