The use of porous drainage tubes to form three-dimensional drainage, which replaces the limitations of traditional point-like strip drainage. Two flushing methods, one is the middle tube is a separate flushing tube, the flow direction of the flushing fluid and the suction secretion are the same; the other is the large tube sleeves the small tube, the small tube is the flushing tube, reducing the sealing of a suction tube, according to clinical needs select.

This product is defined by us as: a disposable negative pressure drainage wound care material that can be washed