MAXILLARY SINUS CANNULA
The maxillary sinus cannula is used for irrigation and suction of the antrum of Highmore, and is curved to a desired angle to slip easily into the antrums. The tip is bulbous, so that injury could not occur to the mucous membrane; it is, in addition, fenestrated on the sides. This cannula has been modified from the von Eicken cannula, so that it can readily be attached to a Sorensen Sinus Cleanser or a standard slip fitting. By means of a flat metal guide, the direction of the cannula is easily determined.
FRONTAL SINUS CANNULA
The frontal sinus cannula is fashioned according to the old Guetig's model and curved so as to glide easily into the frontal sinus. The tip also is bulbous and fenestrated on the sides. This cannula, in order to give it better support and steadiness, is constructed with a special handle, at an
MILLER JW. IRRIGATION AND SUCTION CANNULAS, NEW AND MODIFIED, FOR THE FRONTAL, MAXILLARY AND SPHENOIDAL SINUSES. Arch Otolaryngol. 1929;9(1):59–60. doi:10.1001/archotol.1929.00620030067006