Humidification And Heating - Warnings And Precautions - Breas Vivo 3 Clinician Manual

Risk of Rebreathing
Be aware of risks for rebreathing exhaled gases:
• A blocked, clogged or in other ways occluded leakage port causes exhaled gases to
be rebreathed.
• With low pressures the risk of rebreathing increases.
• I:E (inspiration time : expiration time) ratios close to 1:1 increase the risk of
rebreathing as the expiratory time allowing exhaled gases to be cleared from the
circuit before the next breath is decreased.
The Vivo 3 is equipped with a low leakage alarm. However, the alarm is not a substi-
tute for operator vigilance for ensuring that the leakage ports remains clear at all
times.
Periodically check the leakage ports during therapy.
See the section 2.4 Patient Circuit — Warnings and Precautions, page 22 for mitigating the
risks of rebreathing.
2.7 Humidification and Heating — Warnings and Precautions
WARNING!
Risk of Insufficient Ventilation
The attachable humidifier is not intended for invasive use.
Risk of Suffocation
When the attachable humidifier is installed, the Vivo 3 must be located below the
patient and on a flat surface. This is to prevent personal injury from accidental spill-
age or from excess water or condensation flowing down the patient tube and into the
patient's mask. Extra cautions should be taken for patients who are unable to guard
their airways or cannot pull off the mask.
Risk of Suffocation or Loss of Ventilation
Incorrect placing of the ventilator may cause transient hypoxia.
If using an external humidifier, it shall be placed below both the patient and the
Vivo 3. This is to prevent personal injury from accidental spillage or from excess
water or condensation flowing down to the ventilator or down the patient tube and
into the patient's mask. Extra cautions should be taken for patients who are unable to
guard their airways or cannot pull off the mask.
Risk of Inflammation
Incorrect connection of the ventilator may cause inflammation.
The attachable humidifier is only enabled when the Vivo 3 is connected to the AC
Power supply.
26 Safety Information
Vivo 3 Clinician's Manual
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