0 a device for examining the larynx (= the organ containing the muscles that create the human voice or animal sounds), or for putting a tube into the throat:
A laryngoscope is used to expose the epiglottis.
The breathing tube is usually introduced with the assistance of an instrument called a laryngoscope.
The laryngoscope must be inserted gently but with firm manipulation when required.
The soreness is probably related to use of the laryngoscope, the instrument used by your anaesthetist to see where to place the tube.
One of the main complications when using a laryngoscope is dental damage to the patient's upper teeth.
With this in mind, he developed a laryngoscope designed for the sole purpose of tracheal intubation.
While there he designed and patented a surgical laryngoscope with a triangular opening, which allowed doctors to see previously obscured areas of the throat.
After replacement with a laryngoscope of adjusted size, intubation proceeded normally.
He demonstrated the possibility of applying remedies into the larynx and throat assisted by a laryngoscope.