ISO/NP 4771

Anaesthetic and respiratory equipment — Tracheostoma valves ISO/NP 4771

General information

Current stage: 10.98 New project rejected Sep 2, 2021

Originator: ISO

Owner: ISO/TC 121/SC 2 Airways and related equipment

Type: 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

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