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4. Warnings
4.1 Operational Warnings
The following warnings must be read and understood before using the ventilator. Failure to
do so could lead to injury or death of the patient.
General
1. The whole of this manual should be read and understood before using the ventilator.
Operators must be suitably trained and clinically authorized for using the ventilator with
patients. Particular care should be taken to check the ventilator pressures prior to
changing modes.
2. Oxygen - Clinical use. Oxygen is a drug and should be prescribed as such.
3. Oxygen - Fire Hazard. Oxygen vigorously supports combustion and its use requires
special precaution to avoid fire hazards. Keep all sources of ignition away when oxygen
is in use. Do not use oil or grease on oxygen fittings or where oxygen is used.
4. Check the condition of the gas supply hoses to the ventilator. Do not use any hose that
shows signs of cracking, abrasion, kinking, splits, excessive wear or ageing. Make sure
that the Air or O
2
hose has not come into contact with oil or grease.
5. Audible and Visual warning alarms indicate a potentially harmful condition to the patient.
6. When the ventilator is being used on a patient, a suitably trained person must be in
attendance at all times to take prompt action should an alarm or other indication of a
problem occur.
7. Never enter the “Ventilation Off” mode when connected to a patient.
8. An alternative form of ventilation should be available whenever the ventilator is in use.
(EN 794-1:1997)
9. Please read the operational notes, for information relating to ventilation options and
operational practice when the ventilator is connected to a patient.
10. Do not touch the patient and ventilator metalwork at the same time to avoid earthing the
patient.
11. The ventilator contains temperature dependant devices which perform normally in
controlled environments in hospitals. However if the ventilator has been stored at a
temperature different to that in which it will be used, allow the unit to acclimatize before
powering up. (See “Operating Environment”: on page 272.)
12. Any computer connected to the ventilator must be specified for medical use (i.e. it must
comply with the requirements of BS-EN-60601:1990).
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