drain

(drain). An appliance or substance that affords a channel of exit or discharge from a wound. cigarette d., a drain made by surrounding a strip of gauze with a protective covering of rubber, gutta-perch a, etc. Mikulice’ 'sd., a drain formed by pushing a single layer of gauze into a wound cavity, the layer of gauze being packed with several thick wicks of gauze as it is pushed into the cavity. stab-wound d., drainage accomplished by making a small punctured wound at some distance from the operative incision and bringing out the drain through this wound; it is done to prevent infection of the operation wound. Wylie d., a stem pe ary of hard rubber having a groove along the stem.