SECTION 1 SAFETY PRECAUTIONS
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1-4
The BIS VISTA system has been designed to operate with a BIS sensor. The sensor
is a silver/silver chloride electrode array that utilizes Aspect's patented Zipprep™
technology and uses a proprietary connector. Use of other electrodes is not
recommended.
To completely remove power from the unit: put the monitor in Standby mode,
disconnect power cord from the power receptacle of the monitor, then remove the
battery from the monitor.
Continuous impedance checking may need to be disabled if the 1 nanoampere 128
Hz impedance check signal interferes with other equipment (e.g., evoked potential
monitors).
Considerations when using Electro-Convulsive Therapy (ECT) equipment during
BIS monitoring: Place ECT electrodes as far as possible from the BIS sensor to
minimize the effect of interference. Certain ECT equipment may interfere with the
proper function of the BIS monitoring system. Check for compatibility of equipment
during patient setup.
Check the battery periodically by operating a BIS VISTA monitor that has been
disconnected from the wall socket and that has been charged to full capacity (at least
6 hours of charge time). After long periods of storage, charge the battery for 6 hours
to assure full capacity. If the BIS VISTA monitor fails to operate reliably from the
battery for approximately 45 minutes, battery replacement is required.
The BIS VISTA monitor contains an internal Lithium ion battery. The battery must
be removed by a qualified service technician and disposed of or recycled in
accordance with the national laws of the country. Contact Aspect Medical Systems,
Inc. or the local distributor for a replacement battery: Aspect part number 186-0208.
Avoid liquid ingress to the Patient Interface Cable. Contact of fluids with the PIC
sensor connector can interfere with PIC performance.
Service or repairs must be performed only by qualified biomedical technicians.
The BIS VISTA system complies with the electromagnetic compatibility
requirements of IEC 60601-1-2. Operation of this device may affect or be affected by
other equipment in the vicinity due to electromagnetic interference (EMI). If this
occurs:
• Increase separation between devices
• Re-orient device cabling
• Plug devices into separate outlet circuit branches
Refer to Section 8.2 “Electromagnetic Compatibility Specifications”.
Do not disconnect the BISx during the software update.
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