Scissors

(siz'-ors). An instrument with cro ed, closing blades for cutdng. The blades may be straight, angular, or curved. S., Artery, a sci ors, one blade of which is probe-pointed, for introduction into a duct or canal. S., Canalicular, delicate sci ors, one blade of which is probe-pointed, used in slitting the lacrymal canal. S., Cannula, sci ors for slitting any canal or tube longitudinally. S., Craniotomy, a strong S-shaped instrument used in craniotomy for perforating the skull and cutting away portions of bone. S., Iris, one having flat blades which are bent in such a manner that they may be applied to the eyeball. Also, sci ors used in iridectomy. S., Perforator. See S., Craniotomy. S., Skin-grafting, an instrument consisting of a forceps and a sci ors, the former for seizing a small piece of skin, and the latter for cutting it off. S., Uvula, one designed for removal of the uvula. S., de Wecker's, a peculiar modification of iris-sci ors.