This standard BS EN ISO 16628:2022 Anaesthetic and respiratory equipment. Tracheobronchial tubes is classified in these ICS categories:
11.040.10 Anaesthetic, respiratory and reanimation equipment
This document specifies requirements for safety, materials, design and information supplied with tracheobronchial tubes. These devices are used when isolation of the airways of one or both lungs is required. Tracheal tubes that include bronchus blockers are excluded from the scope of this document