ISO/CD 22541

Anaesthetic and respiratory equipment — Face masks

General information

30.20   CD study/ballot initiated   Aug 19, 2026

ISO

ISO/TC 121/SC 2 Airways and related equipment

International Standard

Scope

Specify requirements for face masks intended to be manually applied by a clinician over the patient’s nose and mouth, to provide non-invasive artificial ventilation to patients whose breathing is absent or inadequate.
The face mask size designation method of this standard may be used as indicative guidance for mask selection to fit the patient demographic.
Not applicable to face masks intended for sleep apnea.
Not applicable to nasal masks and non-sealing face masks.

Life cycle

NOW

IN_DEVELOPMENT
ISO/CD 22541
30.20 CD study/ballot initiated
Aug 19, 2026