Surgical drainage is an action permitting the evacuation of gaseous masses or liquid substances of pathological or physiological origin that are within the organism. The evacuated secretions can be serous liquid, blood, stones, bile
, and others. Using a drainage tube, suction, bypass, packing, and drainage surgery are different techniques of surgical drainage intended to improve the state of the patient. For example, after prosthetic surgery, surgical drainage can help improve postoperative recuperation.