ISO INTERNATIONAL STANDARD 19223 First edition 2019-07 Lung ventilators and related equipment Vocabulary and semantics Ventilateurs pulmonaires et équipement associé - Vocabulaire et seémantique Reference number IS0 19223:2019(E) @ IS0 2019 IS0 19223:2019(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 19223:2019(E) Contents Page Foreword .iv Introduction V 1 * Scope 1 2 Normative references 3 * Terms, definitions, symbols, and abbreviated terms 1 3.1 General artificial-ventilation terminology 2 3.2 Breath terminology.. 9 3.3 Lung inflation terminology 13 3.4 * Time, phase and cycle terminology 18 3.5 * Rate terminology. 23 3.5.1 Preferred rate concepts. 23 3.5.2 Secondary rate concepts — Rate terms for use if required for specific purposes25 3.6 Pressure terminology 26 3.7 Flow terminology. 30 3.8 Volume terminology 34 3.9 Initiation and termination terminology 38 3.10 * Baseline and PEEP terminology 43 3.11 * Mode terminology 48 3.12 * Bi-level terminology 60 3.13 Safety limits and alarm terminology 64 3.14 Gas port terminology. 67 Annex A (informative) Rationales and guidance. 69 Annex B (informative) Conceptual relationships between ventilator actions and types of breath.75 Annex C (informative) Illustrations of ventilation terms .77 Annex D (informative) Classification of inflation-types .109 Annex E (informative) Classification of ventilation-modes 114 Annex F (informative) Concepts relating to baseline airway pressures and PEEP as used in this document. 116 Annex G (informative) Conventions followed in this document .125 Annex H (informative) Implementation guidance for the vocabulary of this document .127 Annex I (informative) Equivalence declaration tables. .129 Annex J (informative) Terminology - Alphabetized index of defined terms .132 Bibliography .139 @ IS0 2019 - All rights reserved ii IS0 19223:2019(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out throughIsotechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with Iso, also take part in the work ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types of IsO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/lEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the Iso list of patent declarations received (see www.iso.org/patents). Any trade name used in this document is information given for the convenience of users and