A proposed model for direct laryngoscopy and tracheal intubation.

摘要

In 1913, Chevalier Jackson described his method of laryngoscopy while his assistant Boyce supported the patient's head and neck in an elevated position ('Boyce-Jackson position'), Magill in 1936 suggested the term the 'sniffing position', which has since gained wide acceptance as the best position for direct laryngoscopy. Later, Bannister and Macbeth proposed the need for aligning the mouth, pharyngeal and laryngeal axes.