Encompass Healthcare and Wound Medicine

Wound Vacs

Wound Vacs Draw Out Excess Moisture To Aid Healing

At Encompass HealthCare & Wound Medicine, we use the latest portable wound vacs in our negative pressure wound therapies (NPWT). These wound vacs serve two purposes. First, they draw out excess wound exudate, the natural liquids produced by the body’s response to tissue damage. A small amount of exudate does help to keep the wound bed moist. But when the exudate is excessive, it hinders and prolongs the healing process.

Wound vacs apply negative pressure in order to help wounds heal.

Wound vacs apply negative pressure in order to help wounds heal.

 

In addition to removing excess moisture, wound vacs promote wound closure through the gentle, but constant force drawing the wound edges together.

Under negative pressure, V.A.C. Therapy with proprietary V.A.C. GranuFoam Dressings applies mechanical forces to the wound to create an environment that promotes wound healing. These forces are known as macrostrain and microstrain.

Macrostrain is the visible stretch that occurs when negative pressure contracts the foam. Macrostrain draws wound edges together, provides direct and complete wound bed contact, evenly distributes negative pressure and removes exudate and infectious materials.

Microstrain is the microdeformation at the cellular level, which leads to cell stretch. Microstrain, reduces edema, promotes perfusion (the process of a body delivering blood to a capillary bed in its biological tissue,) and promotes granulation tissue formation by facilitating cell migration and proliferation.

(source: courtesy of KCI)

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