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What Makes Up the V.A.C. Therapy System

Three Critical Components, One Unique System

The V.A.C. Therapy System is comprised of three essential components that actively work together to help promote wound healing through granulation tissue formation.

1. V.A.C. Therapy Unit Provides intermittent and continuous therapy with integrated patient safety features
2. SensaT.R.A.C.™ Technology Regulates pressure at the wound site to provide accurate delivery of prescribed therapy settings
3. V.A.C. GranuFoam™ Dressings Help provide the necessary mechanisms to promote granulation tissue formation

How V.A.C. Therapy Promotes Granulation Tissue Formation

The Science Behind the System: Macrostrain and Microstrain

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
• Removes exudate and infectious materials

Microstrain is the microdeformation at the cellular level, which leads to cell stretch.¹
Microstrain:

• Reduces edema
• Promotes perfusion
• Promotes granulation tissue formation by facilitating cell migration and proliferation

Using V.A.C. Therapy with V.A.C. GranuFoam Dressings results in both macrostrain and microstrain for advanced wound healing.