Otto Bock C-Leg 3C98-3 Instructions For Use Manual page 12

CAUTION
Quickly pushing the hip forward with the prosthesis extended (e.g. serve while playing
tennis)
> Falling due to unexpected activation of the swing phase.
Note that the knee joint may flex unexpectedly when the hip is pushed forward quickly while
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the prosthesis is extended.
Therefore, familiarise yourself with swing phase activation in such situations under secure
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conditions (e.g. while holding on to parallel bars) and with the instruction of trained, quali­
fied personnel.
For sports where this movement pattern may occur, use a corresponding pre-configured
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MyMode. For further information about the MyModes, see the section 'MyModes' (see
page 29).
CAUTION
Overloading due to changed body weight when carrying heavy objects, backpacks or
children
> Falling due to unexpected behaviour of the product.
> Falling due to breakage of load-bearing components.
> Skin irritation due to defects on the hydraulic unit with leakage of liquid.
Note that the behaviour of the product can change due to increased weight. The swing
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phase may not be triggered, or triggered at the wrong time.
Make sure that the maximum permissible body weight is not exceeded due to the additional
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weight.
4.8 Notes on the safety modes
CAUTION
Using the product in safety mode
Falling due to unexpected product behaviour because of changed damping behaviour.
The warnings/error signals (see page 38) have to be observed.
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Particular caution is necessary when using a bicycle without a freewheel (with a fixed gear).
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CAUTION
Safety mode cannot be activated due to malfunction caused by water penetration or
mechanical damage
Falling due to unexpected behaviour of the product because of changed damping behaviour.
Do not continue using the defective product.
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Consult the O&P professional promptly.
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CAUTION
Safety mode cannot be deactivated
Falling due to unexpected behaviour of the product because of changed damping behaviour.
If safety mode cannot be deactivated by recharging the battery, a permanent error has
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occurred.
Do not continue using the defective product.
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The product must be inspected by an authorised Ottobock Service Center. The O&P profes­
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sional is your contact.
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