ISO/NP 4771

Anaesthetic and respiratory equipment — Tracheostoma valves

General information

10.98   New project rejected   Sep 2, 2021

ISO

ISO/TC 121/SC 2 Airways and related equipment

International Standard

Scope

This document specifies general and functional requirements on tracheostoma valves (T-VAL)
including relevant test methods as well as requirements on marking and labelling and information to be
provided by the manufacturer.

Life cycle

NOW

ABANDON
ISO/NP 4771
10.98 New project rejected
Sep 2, 2021