Safety-Related Checks; Dressing Technique - Medela Invia Liberty Mode D'emploi

Safety-related checks

For the safety-related checks, the device should be maintained and repaired throughout its service life in
compliance with the service procedures.
The Invia Liberty pump is a device in protection class II (EN IEC 60601-1), the safety-related checks are
confined to visual inspection of the housing and charger for damage. This check must be performed prior
to each use.
Devices of protection class II do not have a protective earth conductor; there is therefore no need
to check the earth leakage current.
The Invia Liberty pump enclosure is made entirely of insulated material. Tests of the enclosure leakage
current using common measuring instruments will therefore not reveal measurable values.
Even when suctioning a conductive fluid until the overflow protection device activates, measurements of
the patient leakage current using common measuring instruments will not reveal measurable values.
Invia Liberty pump does not have patient circuits or functional earth connections.

Dressing technique

Consult the appropriate Invia wound dressing instructions for use for information regarding
dressing applications included in every Invia dressing carton. Perform a thorough wound cleansing
per physician orders or facility protocol prior to dressing applications.
For closed surgical incision the recommended pressure level is -125mmHg at constant mode.
Routine dressing changes should occur every 48 – 72 hours. Dressing changes for infected wounds
should be considered more frequently.
Dressing change
Dressings (wound contact layer, wound filler, wound cover, internal drain, drain adapter, FitPad)
should be changed every 48 to 72 hours, but no less than 3 times a week, or as instructed by the
healthcare professional.
When treating infected wounds or wounds more susceptible to tissue in-growth into wound filler material,
more frequent dressing changes may be needed. The frequency of dressing changes should be based
on an evaluation of the wound characteristics rather than standard recommendations.
Important things to remember:
– Routinely check that the negative pressure level and the therapy mode is at the prescribed
setting.
– Monitor the integrity of the dressing and that the pump is on and running.
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