MAGSTIM NEUROSIGN V4, Service Manual, Page: 19 / 50

The Magstim Company Ltd.©
19
NOP20-EN-03
• Any attempt to remove the securing screws will invalidate the product guarantee.
• No unauthorised modifications may be made to the nerve monitor or any of its
associated accessories.
• CLASS I: Equipment must only be connected to an AC mains supply with protective
earth. Connection should only be made with the power lead provided with the
equipment.
• This device is designed as an aid to surgeons in the identification and monitoring
of nerves at risk of injury during surgery. It is not a replacement for surgical
experience.
• Do not use this equipment in the presence of flammable anaesthetic mixtures.
• Handle with care. Dropping this device or any accessories may cause physical
damage and affect performance.
• Ensure that the mains plug and socket are readily accessible to provide isolation
from the supply mains if necessary.
• Do not permit liquid close to the ventilation slots in the bottom of the casing.
• Do not insert objects into connector housings, holes or slots in the casing for
cleaning purposes, as this may cause damage.
• In the event of hardware failure or software corruption the nerve monitor is
designed to fail in a safe state. In this state the stimulator and EMG audio channels
are disabled.
• Do not connect the mute sensor to the nerve monitor without attaching the clamp
to the electrocautery cable or spurious muting of the nerve monitor may occur.
• When a mute sensor is connected and active, the stimulator current confirm will
not be reported.
• High levels of radio frequency (RF) may interfere with the operation of the mute
sensor if the device is not connected to the electrocautery cable.
• Care should be taken to avoid the tip of the stimulating probe coming into contact
with that of the electrocautery probe, this will cause damage to the internal
circuitry of the nerve monitor.
• The use of this device other than as described will reduce the level of protection
provided by the equipment. If it is deemed necessary to use the device in any
way other than as stated in this document it is strongly advised to contact The
Magstim Company Ltd. for advice before use.
• During use, the nerve monitor will have a number of leads/cables connected.
Therefore, care should be exercised with lead/cable placement to avoid a tripping
hazard.