laryngeal mask airway


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laryngeal mask airway

a device for maintaining a patent airway without tracheal intubation, consisting of a tube connected to an oval inflatable cuff that seals the larynx. It was the first effective product to offer significant advantages over traditional methods of airway support during surgical procedures and life-saving interventions. Also called brain airway.

la·ryn·ge·al mask

(lă-rin'jē-ăl mask)
Oral airway with an inflatable cuff at its lower end that forms a seal above the laryngeal inlet rather than within the larynx. Used in prehospital care as an airway adjunct instead of an endotracheal tube.
Synonym(s): laryngeal mask airway.

laryngeal mask airway

Abbreviation: LMA
An airway that can be blindly inserted into the hypopharynx to use when advanced airway control is needed during procedures that require brief anesthesia. It consists of an airway tube with a proximal cuff, which holds the middle of the tube in place at the base of the tongue, and a distal cuff to fix the end of the tube in the trachea.

CAUTION!

It should not be used in patients at high risk of aspiration.
Synonym: laryngeal tracheal airway
See also: airway
References in periodicals archive ?
Sevoflurane: a comparison between vital capacity and tidal breathing techniques for the induction of anaesthesia and laryngeal mask airway placement.
ProSeal laryngeal mask airways with appropriately sized nasogastric tubes (or intubation catheters) for suction through the oesophageal port
These adverse outcomes can be reduced by up to 70% if manometry is used to limit laryngeal mask airway intracuff pressure to less than 60 cm[H.
When these procedures cannot be carried out, the laryngeal mask airway (LMA) is an effective alternative.
Reusable laryngeal mask airways can be used more than 40 times.
LMA is the world leader in the marketing and development of the LMA(TM) laryngeal mask airway," said April King, CEO of Hypnoz.
The usefulness of the ProSeal[TM] laryngeal mask airway (PLMA, Laryngeal Mask Company, San Diego, CA, USA) as a rescue airway device following difficult or failed intubation has been recognised in numerous case reports (1-3).
5%) could not be intubated by direct laryngoscopy, but intubation was successful in five patients using an intubating laryngeal mask airway, and in one each with a Frova stylet and a flexible fibrescope.
LMA designs, develops, markets and distributes medical equipment, principally the LMA laryngeal mask airway range of supraglottic airway management devices.