The NPWT system consists of a foam or gauze dressing, a vacuum pump, and a drainage tubing. The dressing is placed over the wound and sealed with an adhesive film. The vacuum pump creates a negative pressure environment, which helps in drawing out exudate and reducing edema. This negative pressure also promotes blood flow to the wound area, enhancing the delivery of oxygen and nutrients necessary for healing. Additionally, NPWT helps in reducing bacterial load and promoting the formation of granulation tissue.
