Invia Liberty: The flexible solution for Negative Pressure Wound Therapy (VA/Government Only)

The Invia® Liberty™ system is designed to provide patients negative pressure therapy while delivering positive clinical outcomes, the pump is easy-to-use, lightweight and extremely quiet. The Liberty™ system is a clinically validated negative pressure wound therapy system that is backed by 50 years of innovative Swiss Vacuum Technology.

Invia® Wound Therapy utilizes negative pressure to help promote healing in chronic or difficult to heal wounds. Sub atmospheric pressure is applied to the wound through a specialized dressing kit. Safely and effectively, the pressure and the kit remove infectious materials and mechanically stimulate tissue to help promote wound healing. Invia Wound Therapy is so easy-to-use that it takes only a few steps to get a patient started on negative pressure therapy.


  • Negative Pressure Wound Therapy backed by clinical research
  • Non adherent wound interface allows distribution of negative pressure without tissue integration
  • Kerlix™ AMD™ Antimicrobial gauze for reducing bacterial growth in pooling layer
  • Safe and reliable pump
  • 50 years of experience in Medical Vacuum Technology
  • Measures vacuum at the drain site and at the pump assuring prescribed therapy
  • Warning and Alarm system
  • Cost effective
  • Easy dressing changes may reduce nursing time 


  • Vacuum: - 60 mmHg to 200 mmHg
  • Flow: Low flow 5 L/min
  • Battery Life: >12 hours
  • Weight: 2.2 lbs (1 kg)
  • Modes: Constant and Intermittent
  • Tubing: Double Lumen Tubing, Y-Connector
  • Canister: 300 and 800 ml
  • Dimensions: 3.74 x 6.69 x 5.91 inch (95 x 170 x 150 mm)