Medline drainage components combines a structure with multiple narrow ducts and internal perforation to create alternative routes around obstructions in order to improve collateral and optimal drainage. It also provide great tissue contact area in order to collect exudate. A drain is a tube that provides a way for unnecessary bodily fluids or air to flow out of the body from a wound. The purpose of the drain is to remove fluid and/or blood from the surgical area to help the healing process. Medline is your partner of choice.