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The laryngeal tube (also known as the King LT) [1] is an airway management device designed as an alternative to other airway management techniques such as mask ventilation, laryngeal mask airway, and tracheal intubation.
A laryngeal mask is composed of an airway tube that connects to an elliptical mask with a cuff which is inserted through the patient's mouth, down the windpipe, and once deployed forms an airtight seal on top the glottis (unlike tracheal tubes which pass through the glottis) allowing a secure airway to be managed by a health care provider.
[3] [5] The SGAs consist entirely of laryngeal masks. Several manufacturers produce these devices, the most well known being the laryngeal mask airway (LMA). [3] [5] [4] Success rates of SGAs in securing airways are similar between the different models, and these devices provide effective ventilation in more than 98% of patients.
laryngeal mask airway, laryngeal tube [ edit on Wikidata ] The Combitube —also known as the esophageal tracheal airway or esophageal tracheal double-lumen airway —is a blind insertion airway device (BIAD) used in the pre-hospital and emergency setting. [ 1 ]
Laryngeal mask airway (LMA). Example of a supraglottic device. Management of the airway in the emergency department is optimal given the presence of trained personnel from multiple specialties, as well as access to "difficult airway equipment" (videolaryngoscopy, eschmann tracheal tube introducer, fiberoptic bronchoscopy, surgical methods, etc ...
The laryngeal mask airway (LMA) is a tube with an inflatable cuff. A laryngeal mask airway can be positioned in the lower oropharynx to prevent airway obstruction by soft tissues and to create a safe channel for ventilation. The laryngeal mask airway is the standard rescue ventilation when endotracheal intubation cannot be accomplished.
After the introduction of the laryngeal mask airway (LMA) in 1998, supraglottic airway devices have become mainstream in both elective and emergency anesthesia. [50] There are many types of SGAs available including the esophageal-tracheal combitube (ETC), laryngeal tube (LT), and the obsolete esophageal obturator airway (EOA).
Cricoid pressure may displace the esophagus, make ventilation with a facemask or with a laryngeal mask airway (LMA) more difficult, interfere with LMA placement and advancement of a tracheal tube and alter laryngeal visualization by a flexible bronchoscope.