Introduction Warnings
xii 046-004667-00 A7™ Operating Instructions
WARNING: Use care in lifting and manipulating vaporizers during the mounting
process as their weight may be greater than expected, based on their
size and shape.
WARNING: Do not use talc, zinc stearate, calcium carbonate, corn starch, or similar
material to prevent sticking of the bellows, as these materials may
enter the patient's lungs or airway, causing irritation or injury.
WARNING: All gas supplies should be of medical grade.
WARNING: Single use respiratory hoses, face masks, sensors, sodalime, water
traps, sampling lines, airway adapters, and other single use items may
be considered potential biologically hazardous items and should not
be reused. Dispose of these items in accordance with hospital policy
and local regulations for contaminated and biologically hazardous
items.
WARNING: Check water build-up inside the flow sensor before every system use.
Pooled water in the flow sensor causes erroneous readings.
WARNING: Ensure that all breathing system parts are completely dried after the
breathing system is cleaned and disinfected.
WARNING: To avoid endangering a patient, do not perform testing or maintenance
when the machine is in use.
WARNING: To ensure compatibility, review the performance specifications of the
disposal system by which the transfer and receiving systems are
intended to be used.
WARNING: Ensure that the current alarm presets are appropriate before use on
each patient.
WARNING: A hazard can exist if different alarm presets are used for the same or
similar equipment in any single area.
WARNING: Due to the size and weight of the A7, it should only be moved by
qualified personnel.
WARNING: Overloading the machine may cause tipping. Equipment attached to
the side of the machine should fall within the rated weights to prevent
machine tipping.
WARNING: Excess load may cause a tip hazard while moving the A7. Before
moving, remove all equipment from the top shelf and all monitoring
equipment mounted on the side of the A7. Use care when moving the
A7 up or down inclines, around corners, and across thresholds. Do not
attempt to roll the A7 over hoses, cords, or other obstacles.
WARNING: Leaks or internal venting of sampled gas may affect accuracy. Perform
the proper preoperative tests to ensure that the device is performing
properly. Do not use leaky circuits.
WARNING: Connection of the A7 exhaust port to the hospital’s waste gas
scavenging system is strongly recommended to prevent exposure of
hospital personnel to the A7 exhaust gases.
WARNING: Operation of the A7 below the minimum flow values may cause
inaccurate results.
WARNING: Ensure that an independent means of ventilation (e.g. a self-inflating
manually powered resuscitator with mask) is available whenever the
A7 is in use.
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