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A blind insertion airway device (BIAD or blind insertion device) is a
Image:Combitube.JPG, A combitube.
Image:Laryngeal Tube.JPG, A laryngeal tube
Image:Laryngeal mask 100.jpg, A
A blind insertion airway device (BIAD or blind insertion device) is a medical device
A medical device is any device intended to be used for medical purposes. Significant potential for hazards are inherent when using a device for medical purposes and thus medical devices must be proved safe and effective with reasonable assur ...
used for airway management
Airway management includes a set of maneuvers and medical procedures performed to prevent and relieve airway obstruction. This ensures an open pathway for gas exchange between a patient's lungs and the atmosphere. This is accomplished by either c ...
that ensures an open pathway between a patient's lungs
The lungs are the primary organs of the respiratory system in humans and most other animals, including some snails and a small number of fish. In mammals and most other vertebrates, two lungs are located near the backbone on either side of ...
and the outside world, as well as reducing the risk of aspiration, which can be placed without visualization of the glottis
The glottis is the opening between the vocal folds (the rima glottidis). The glottis is crucial in producing vowels and voiced consonants.
Etymology
From Ancient Greek ''γλωττίς'' (glōttís), derived from ''γλῶττα'' (glôtta), ...
. Blind insertion airway devices are often used in the pre-hospital and emergency setting.
While the term blind insertion airway device does not refer to an endotracheal tube, it too can also be blindly inserted in certain circumstances, or inserted using a BIAD as a conduit for an endotracheal tube, or by using a bougie or airway exchange catheter.
Blind insertion devices have a number of limitations compared to endotracheal intubation, firstly the risk of aspiration is higher when using a blind insertion device.
Examples of blind insertion airway devices are:
* Combitube
* Laryngeal tube
* Laryngeal mask airway
* Nasopharyngeal airway
* Oropharyngeal airway
Additional images
laryngeal mask
A laryngeal mask airway (LMA), also known as laryngeal mask, is a medical device that keeps a patient's airway open during anaesthesia or while they are unconscious. It is a type of supraglottic airway device. They are most commonly used by anae ...
.
Image:Oral Airway (4) Adult Large.JPG, Oropharyngeal airway
Image:Wendltubus.jpg, A nasopharyngeal airway
References
{{Anesthesia Medical equipment Anesthetic equipment