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The vallecula is an important reference landmark used during intubation of the trachea. The procedure requires the blade-tip of a Macintosh-style laryngoscope to be placed as far as possible into the vallecula in order to facilitate directly visualizing the glottis .
Intubation Macintosh Blade Sagittal View The Macintosh blade is positioned in the vallecula , anterior to the epiglottis , lifting it out of the visual pathway, while the Miller blade is positioned posterior to the epiglottis, trapping it while exposing the glottis and vocal folds.
The epiglottis and vallecula are important anatomical landmarks in intubation. [13] Abnormal positioning of the epiglottis is a rare cause of obstructive sleep apnoea . [ 14 ]
It is clinically important in performing direct laryngoscopy with a Macintosh laryngoscope blade; the blade tip is placed in the vallecula and moved anteriorly, which causes the hyoepiglottic ligament to pull the epiglottis anteriorly as well and thus expose the glottis. [citation needed]
to depress or remove the tongue or other structures from the field of inspection or to view them from all sides; examine oral cavity; posterior rhinoscopy; minor operations; foreign body removal; biopsy ;peritonsillar abscess drainage; retraction of cheek and lip. Forceps: to hold things [3] •Asch's septum forceps: used to work on the nasal ...
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The portion of the cavity of the larynx above the vestibular fold is called the laryngeal vestibule; it is wide and triangular in shape, its base or anterior wall presenting, however, about its center the backward projection of the tubercle of the epiglottis.
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