Drainage tubes are surgical items

Drains are surgical items. According to the query relevant public information, the drain is a medical device, used to drain the wound or surgical site of the exudate or blood to promote wound healing, in the process of surgery, the doctor often need to use the drain to ensure that the wound is clean, dry, to avoid infections and other complications, therefore, the drain is usually regarded as a kind of surgical medical equipment, need to be operated in the operating room.