Vacuum Assisted Closure
The closing and healing of an open wound using vacuum.
Vacuum-assisted closure (VAC) is a therapy used to aid in closing open wounds. Atmospheric pressure inflicts some force on open wounds, delaying the rate at which it is able to heal. Airborne bacteria also have open access to the wound, potentially infecting it and further delaying recovery. With the removal of this pressure, and the suction removal of bacteria that have drawn to the open wound, the healing process accelerates. VAC can reduce swelling and infection, as well as pulling the edges of the wound closer together to heal and close more quickly. The wound is covered with gauze and adhesive with a vacuum tube underneath. Vacuum is applied either in cycles or continuously. The dressing is changed every one to three days and the therapy is applied until the wound closes.
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Vacuum assisted closure requires the suction of blood, pus, dead skin, and other bodily products. These kinds of coagulable clumps of material inevitably build up and clog a dry-running vacuum pump without extensive proper filtration. The liquid ring is capable of passing this small carryover smoothly. The vacuum source is typically connected to the medical institution’s house vacuum, sourced in the basement by a larger vacuum pump connected to an inlet separator. In the case that this separator fails to prevent the processing of the bodily products, the NC Series vacuum pumps excel at handling the viscous liquids and solid particulates generated from the application.