Otto Bock C-Leg 3C98-3 Instructions For Use Manual page 23

In general, monitor the product for unexpected changes in the damping behaviour when
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electronic or magnetic devices are in the immediate vicinity.
CAUTION
Entering a room or area with strong magnetic fields (e.g. magnetic resonance tomo­
graphs, MRT (MRI) equipment...)
> Falling due to unexpected restriction of the product's range of motion caused by metallic
objects adhering to the magnetised components.
> Irreparable damage to the product due to the effect of strong magnetic fields.
Make sure that the patient takes off the product before entering the room or area and stores
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the product outside this room or area.
Damage to the product caused by exposure to strong magnetic fields cannot be repaired.
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CAUTION
Remaining in areas outside the allowable temperature range
Falling due to malfunction or the breakage of load-bearing product components.
Ensure that the patient is not in areas outside the permissible temperature range (Technical
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data) during trial fitting.
3.7 Information on Use
CAUTION
Walking up stairs
Falling due to foot being placed incorrectly on stair as a result of changed damping behaviour.
Inform the patient that the handrail always has to be used when walking up stairs, and that
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most of the sole of the foot has to be set onto the stair surface.
Particular caution is required when carrying children up the stairs.
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CAUTION
Walking down stairs
Falling due to foot being placed incorrectly on stair as a result of changed damping behaviour.
Inform the patient that the handrail always has to be used when walking down stairs, and
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that the patient has to roll over the edge of the step with the middle of the shoe.
The warnings and error signals have to be observed (Warnings/error signals).
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Notify the patient that resistance in the flexion and extension direction can change in case of
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warnings and error signals.
Particular caution is required when carrying children down the stairs.
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CAUTION
Overheating of the hydraulic unit due to uninterrupted, increased activity (e.g. extended
walking downhill)
> Falling due to unexpected behaviour of the product because of switching into overheating
mode.
> Burns due to touching overheated components.
Be sure to pay attention when pulsating vibration signals start. They indicate the risk of over­
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heating.
As soon as these pulsating vibration signals begin, the activity level has to be reduced so the
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hydraulic unit can cool down.
Full activity may be resumed after the pulsating vibration signals stop.
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