scissors

(siz’erz). A cutting instrument with two opposed blades. canalic 8., delicate sci ors with onc of the blades probe-pointed: used in slitting the lacrimal canal. cannula-s. probe-pointed sci ors used in slitting a canal lengthwise. craniotomy-s., strong [- shaped shears for use in opening the fetal head. de Wecker’ 8 8., a small sci ors for operations on the eyeball, in which the blades are operated by pre ure on two springs § joined at the end like a pair of tweezers. Je 8., a cutting instrument used in circumcision: they have a limited use in surgery. List on’s s., sci ors for cutting plaster of-Paris bandages. Smoellie’s s., short, strong bladed sci ors with external cutting edges: used in craniotomy.