
ISO 18777-2:2025
ISO 18777-2:2025 Transportable liquid oxygen systems for medical use — Part 2: Particular requirements for portable units
CDN $82.00
This publication was last reviewed and confirmed in 2025.
Transportable liquid oxygen systems for medical use — Part 2: Particular requirements for portable units
Description
This document specifies particular requirements for portable units which are part of a transportable liquid oxygen system and used to provide a controlled flow of oxygen for inhalation by the patient in the home-care environment.
Portable units are intended to be used without professional supervision, carried by patients while moving around and during their off-site activities and refilled from a base unit via a transfilling device through the portable unit’s filling port connector.
NOTE Requirements that are common to both portable units and base units are specified in ISO 18777-1.
Edition
1
Published Date
2026-06-19
Status
PUBLISHED
Pages
6
Format 
Secure PDF
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Abstract
This document specifies particular requirements for portable units which are part of a transportable liquid oxygen system and used to provide a controlled flow of oxygen for inhalation by the patient in the home-care environment.
Portable units are intended to be used without professional supervision, carried by patients while moving around and during their off-site activities and refilled from a base unit via a transfilling device through the portable unit’s filling port connector.
NOTE Requirements that are common to both portable units and base units are specified in ISO 18777-1.
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