Anesthesiology and resuscitationEquipment and machines
Guedel cannula
Curved single-use airway placed in the mouth to keep the airway open.
How it is used
Prevents airway obstruction from the tongue falling back in sedated or unconscious patients.
Clinical tip
Size is chosen by measuring from the corner of the mouth to the earlobe.
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: Intersurgical Ltd, Wikimedia Commons. License CC BY-SA 3.0. 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.