Products Name:NPWT foam oral hygiene swab Features and advantages 1Medical dressing film is comfortable for people . 2Reduce tissue oedema and hypoxia state; Back to normal tissue fluid balance. 3Promote cell membrane expansion and wound lymphatic backflow; Stimulate the blood vessels growth in and healthy granulation tissue formation. 4 Local vacuum goes against bacteria survival; Control faster local infection. 5Maintain wound into humidity balance; Provide a good healing environment. 6Medical Sponge Help graft with wounds attaching; Reduce scar formation. 7 Reduce the time of dressing change; Shorten the time of treatment, and relieve pain. 8 Effective avoid crossing infection, pollution. Product Usage: The negative pressure drainage of trauma, burns, wounds, bedsore and diabetic foot. Medical PU Foam Applicable Scope Traumatology department; Orthopaedics department; Burns surgery; General surgery department