how do wound vacs work

...Wound Vac kit Class II sterile package What is a wound vac and how does it work? A wound vacis a device that drains seeping liquid from awoundssuch as bed sores by forming an airtight cover and pumping the liquid out.Woundvacs can reduce the incidence of infection and aid in the healing process. A bed sore, also known as a decubitus ulcer or a pressure sore, is an openwoundon the body. wound dressing or wound...