Mouth opening and tongue depressing instrument - has main bar with height and length adjustment and sideways tilting arms to open mouth

摘要

The mouth-opening and tongue-depressing instrument is for operations at the rear of the mouth, particularly tonsillectomy, on adults with general anaesthesia, he tonque-depressing portion being spoon-shaped. A man bar (1) has a system (2) for adjusting the height of this portion (3) and also its length (15). Two sidesways tilting arms (21) open the mouth and are also adjustable for height. The arms can each have a verticale branch (22) curved parallel to te panel of the face and tilting in this plane and lockable in position. This branch is connected to a horizontal one curving parallel to the tongue-depressing portion, and inserted between the cheek and the dental arch, fitting against the latter.