Medical | Health | Anatomy on Instagram: "This video shows Negative Pressure Wound Therapy (NPWT) in action a modern wound-care technique used to speed up healing and reduce complications. The wound is first covered with a special foam or dressing, then sealed with a transparent film. A tube connects this dressing to a vacuum pump (like the 3M ACTiV.A.C), which applies controlled suction to the area. Biologically, this negative pressure does several things at once: it removes excess fluid and ba