Invia Liberty. The flexible solution for Negative Pressure Wound Therapy. Available in the US. Invia Liberty`s innovative design delivers excellent functionality with simple set up and easy operation. It can be used both at the hospital and at home, making transition easy and avoiding extra instruction time for patients. Therapy data can be checked on the built-in LCD screen or stored and uploaded to a PC. One-touch canister release button. Disposable canisters 300ml and 800 ml. Easy to read LCD screen. Double lumen tubing with integrated protection filter and tube clamp.