Invia® Liberty™ Negative Pressure Wound Therapy System is a proven and versatile reusable NPWT system designed to treat a variety of wound types in all patient care settings.
• Invia® NPWT Systems contain a double lumen with Intelligent Pressure Control™ and Dynamic Exudate™ technology
• Intelligent Pressure Control technology ensures the set pressure is delivered at the wound bed
• Dynamic Exudate Removal technology actively actively prevents tubing blockages blockages
• Used in all care settings
• Display screen and downloadable therapy data
• Range of pressure settings and choice of dressings, canister sizes, and therapy modes
• Easy-to-read LCD screen
• Audible and visual notifications with display screen troubleshooting tips, air leak indicator, and one-touch canister release button
• Quiet operation
• Nighttime mode
• Carrying bag
• Battery/AC operation
The Invia® Liberty™ Negative Pressure Wound Therapy (NPWT) system is indicated for patients who would benefit from a suction device (negative pressure wound therapy) as when used on open wounds it creates an environment that promotes wound healing by secondary or tertiary (delayed primary) intention by preparing the wound bed for closure, reducing edema, promoting granulation tissue formation and perfusion, and by removing exudate and infectious material. When used on closed surgical incisions, the Invia® Liberty™ NPWT system is also intended to manage the environment of surgical incisions that continue to drain following sutured or stapled closure by maintaining a closed environment and removing exudate via the application of negative pressure wound therapy.
The Invia® Liberty™ NPWT system is contraindicated in the presence of: necrotic tissue with eschar present, untreated osteomyelitis, non-enteric and unexplored fistulas, malignancy in the wound, exposed vasculature, exposed nerves, exposed anastomotic site of blood vessels or bypasses, or exposed organs.
Refer to Instructions for Use (IFU).
Recommend storing in an available shipping case. Store devices between 15% to 93% humidity, -20°C to 50°C (-4°F to 122°F).
Flaps and Grafts
Moderate/Highly Exudating Wounds
Preparation for Use:
Connect the tubing to the pump by inserting the tubing base in the pump. Connect either an 800mL or 300mL canister to the pump. Canister is secure when it clicks into place.
Turn the device on. Default pressure setting is -120mmHg in constant therapy mode. To change pressure setting, enter administration mode and press the up/down buttons until the desired pressure setting is displayed on the screen. Press OK and Back buttons to confirm change. Pump automatically locks after one minute of no button activity.
Power Supply and Battery Management:
A fully charged battery can be expected to deliver therapy for approximately 14 hours. An acoustic signal will sound when there is approximately 30 minutes of battery life left. If the battery is fully empty, it will take approximately 4 hours to fully charge. It is recommended that the pump remain connected to an AC power source when the patient is not mobile or is resting.
Notifications and Troubleshooting:
Liberty has 6 primary acoustic and visual notifications for effective use. Each notification has image and text troubleshooting tips for easy reconciliation.
Liberty is a reusable NPWT system and should be cleaned and disinfected between patient uses.
Instruction video available at https://www.medelahealthcare.com/en-US/solutions/negative-pressure-woun…
Caution: Federal US law restricts this device to sale by or on the order of a physician.
Routine dressing changes should occur every 48 to 72 hours. Consider more frequent dressing changes for infected wounds.
Dressing (wound contact layer, wound filler, wound cover, drain, and external suction interface (ESI)) should be changed every 48 to 72 hours, but no less than 3 times a week, or as instructed by the health care professional.
Change canister when 3/4 or more full or with dressing changes.
For use with both Invia® Gauze Dressing Kits and Foam Dressing Kits.
Consists of metal, plastic, electrical, and battery components.
Two years after date of delivery, if used in accordance with the Instructions for Use booklet. The manufacturer is not liable for any damage or consequent damage caused by incorrect operation, inappropriate usage, or use by unauthorized persons.
Vacuum range: -40mmHg to -200mmHg; -8kPa to -27kPa
Flow: 5 L/min
Weight: 2.2lb or 1,000g without canister
ISO 9001, 13485
CE (93/42/EEC, IIa)
Max noise level: -42.5 db(A)
Alarm noise level: 78 dB(A)
Operation of device: between 15% and 93% humidity, 5°C to 40°C, and 70kPa to 106kPa atmospheric pressure
Store/transport device: between 15% and 93% humidity, -20°C to 50°C, and 70kPa to 106kPa atmospheric pressure
Battery Type: custom lithium battery
Battery Life During Routine Use: approximately 14 hours
Battery Recharge Time: 4 hours
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