Coordination of the establishment and maintenance of a standardized vocabulary of terms, definitions and their associated semantics for anaesthetic and respiratory equipment, so that they are used consistently across ISO/TC 121, Anaesthetic and respiratory equipment and its associated Subcommittees, Joint Working Groups and Working Groups.

These vocabularies and associated semantics can include terminology for:

  • standards development;
  • human-device interface;
  • labeling;
  • communication of health informatics data.
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    Sustainable Development Goals

    This committee contributes with 5 standards to the following Sustainable Development Goal:


    Published ISO standards *


    ISO standards under development *

    Participating members
    Observing members

    * number includes updates

    Reference Title Type
    ISO/TC 121/SC 4/WG 1   Anaesthetic and respiratory equipment vocabulary Working group
    ISO/TC 121/SC 4/WG 2   High frequency and jet ventilation Working group
    ISO/TC 121/SC 4/WG 3   Respiratory care equipment Working group
    Liaison Committees to ISO/TC 121/SC 4

    The committees below can access the documents of ISO/TC 121/SC 4:

    Reference Title ISO/IEC
    ISO/TC 121/SC 2 Airway devices and related equipment ISO
    ISO/TC 121/SC 3 Respiratory devices and related equipment used for patient care ISO

    ISO/TC 121/SC 4 - Secretariat

    ANSI [United States]

    Association for the Advancement of Medical Instrumentation
    901 N. Glebe Road, Suite 300
    Arlington 22203 VA
    United States

    Tel: +1 703 525 48 90
    Fax: +1 703 276 07 93