9
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– Explosion hazard – the Invia Liberty pump is not for use in potentially explosive environments
including oxygen enriched environments and in areas of flammable anesthetics.
– In the event that defibrillation is required, disconnect the pump from the wound dressing before
the patient is defibrillated.
– Special care is advised for dressing placement and removal in order to avoid situations such as
unintentional gauze or foam retention.
– This product contains lithium-ion batteries which bear risk of fire, explosion and burns. Do not
disassemble, crash, heat above 100°C, incinerate or dispose of in fire.
Contact your local Medela customer service representative for assistance with product operations.
CAUTIONS
The following statements describe medical conditions that may require special care for the safe and
effective use of the Invia NPWT system.
– Patients at high risk for bleeding and hemorrhage.
– Patients taking anticoagulants or platelet aggregation inhibitors, or with patients experiencing
active bleeding or difficult wound hemostasis.
– Wounds that involve a fistula.
– Using Invia NPWT system in close proximity to blood vessels and organs or exposed organs,
vessels, nerves, tendons, or ligaments. Provide necessary protection of all vessels and organs
using a protective barrier.
– Patients with a history of vascular anastomosis or friable, irradiated, sutured or infected blood
vessels.
– Use near vagus nerve (bradycardia) or use on patients with a history of spinal cord injury
(stimulation of sympathetic nervous system).
– Circumferential dressing application.
Incorrect use may cause pain and injury to the patient. Excessive negative pressure,
a too tight adhesive cover dressing, or an infection of the wound may cause pain to the patient. In
either case, the dressing must be removed and the wound assessed.
The patient should be monitored regularly according to physician instructions and facility guidelines
to monitor patient comfort, therapy compliance and signs of wound infection.
Do not use an Invia Liberty canister or tubing if the sterile packaging is damaged.
The Negative Pressure Wound Therapy must be used 24 hours per day without interruption. If the
pump is stopped for more than two hours, the dressing must be changed and therapy restarted.
Consider the patient’s size and weight when prescribing this device.
Consider mode of therapy – intermittent versus continuous.
