A<unk>  may be used by an anaesthetist or a paramedic. It channels oxygen and inhalational anaesthetic to the lungs. It can be used during anaesthesia, or while a patient is unconscious.<unk> s are designed to be an easy way to secure the<unk>  and ventilate a patient - they are easier to place than tracheal intubation due to the lack of muscle relaxants and laryngoscopy. They are also less likely to damage teeth or the larynx itself. It may form an air-tight seal. Cuffs are available in multiple sizes.
Laryngeal mask airway
Venturi mask
N95 respirator
Elastomeric respirator
Electrolarynx
Nasal cannula
Chondrolaryngoplasty
Nasal irrigation