Anesthesiology and resuscitationEquipment and machines
Endotracheal tube (ETT)
Flexible single-use tube with an inflatable cuff, in different sizes (measured in mm of internal diameter).
How it is used
Secures the airway and allows mechanical ventilation during general anesthesia.
Clinical tip
Typical size in adult women: 7-7.5 mm; in adult men: 7.5-8 mm.
Sources
This entry is part of the Instriq catalog, researched and written per specialty from real web research -- never generated or invented without verification -- and reviewed skeptically and independently before publication. How this catalog is written.
Image: ICUnurses, Wikimedia Commons. License CC BY-SA 4.0. View original source.
History
Added to the catalog on 2026-09-29.
Dates derived from the project's public version-control history on GitHub, not a live collaborative edit log.