2 • Safety Instructions
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80114-770_V23802
2021-01
WARNING
Activation time too long, effects too high
The longer the activation time of the unit and the higher the effect,
the higher the risk of accidental tissue damage.
Risk of accidental tissue damage to the patient!
Activate the unit for as short a time as possible relative to the re-
quired surgical effect.
The temperature at the return electrode site increases during long
and continuous activations. Therefore, ensure that the cooling
phases between activations are sufficient.
Set the effect as low as possible relative to the required surgical
effect. However, an effect level that is too low can be dangerous,
e.g. gas embolisms with the APC (Argon Plasma Coagulation), be-
cause the plasma does not ignite at an effect level that is too low.
If you are unable to achieve a surgical effect with an activation
time / effect level that is sufficient judging from experience, this
can be due to a problem with the electrosurgical unit or accesso-
ries:
Check the instrument regularly for soiling with insulating tissue
remnants. Clean the instrument if it has become soiled.
Check the return electrode to make sure it is secure.
Check the connectors on all cords to make sure they are secure.
WARNING
Activation of the unit with no knowledge of active settings
If the user does not understand the active settings of the unit, he can
cause the patient accidental tissue damage.
Check the active settings on the display of the unit, after: switch-
ing on the unit, connecting up an instrument, and changing the
program.
WARNING
The user was not informed of a change in maximum activation
time
Risk of accidental tissue damage to the patient!
All users must be informed in good time of any change in maxi-
mum activation time. That is, before the user works with the mod-
ified maximum activation time for the first time.
The temperature at the return electrode site increases during long
and continuous activations; therefore, ensure that the cooling
phases between activations are sufficient.
WARNING
Tissue structures / vessels with a cross-section that is small or
becoming smaller
If monopolar HF current flows through parts of the body with a rela-
tively small cross-section, there is a risk of unintentional coagulation
for the patient!
If possible, use the bipolar coagulation technique.
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