Erbe 10128-002, Instruction Manual

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4-2
Soft coagulation
Soft coagulation can be activated by key or pedal.
Forced coagulation
Forced coagulation is advantageous if an efficient hemostasis is to be achieved with relatively
small-surface electrodes, such as TUR resection loops.
Adjustable power limitation in the various coagulation modes
For the ERBOTOM ICC units, the surgically relevant coagulation qualities, i.e. the coagulation
effects Soft Coag., Forced Coag. and Bipolar Coag., are delimited by definition from one another
and selectable by the press of a key. Nevertheless, the intensity of the different effects can be
varied by power limitation.
Operating mode for Argon Gas Coagulation
For units equipped with the Argon Coag operating mode, the ERBOTOM ICC 200 supplies a
pulsating HF voltage with peak values up to 4,000 V
P
for Argon Gas Coagulation.
Bipolar coagulation
In this coagulation mode, the HF voltage is, similar to Soft coagulation, automatically and
constantly controlled, and its peak value always remains lower than 200 Vp, so that the current
density and thus the coagulation effect is, for the most part, independent of the effective contact
surface between the coagulation electrode and the tissue, provided the effective contact surface
is not too large relative to the currently set power limitation.
The adjustable power limitation serves the purpose of protecting fine bipolar coagulation
instruments, such as pointed bipolar coagulation forceps, from being thermally destroyed in
case of a short between the two forcep tips.
The footswitch or Auto Start is used for activation.
In the Auto Start mode, the HF generator is automatically activated if both poles of the bipolar
coagulation instruments used contact electrically conductive tissue simultaneously. Auto Start
can occur either immediately at the moment of contact with the tissue or more or less temporally
delayed. With immediate activation, it is possible to work very quickly, especially if several
coagulations must be performed one after another. Delayed activation offers the operator the
advantage that he/she can prepare and securely grasp the tissue to be coagulated with the bipolar
coagulation forceps before the HF generator is automatically activated. Automatic activation of
the HF generator only occurs if both poles of the bipolar coagulation instruments contact the
tissue uninterruptedly for at least as long as the respectively selected delay lasts. If the contact is
interrupted before the respectively selected period of delay is over, the respective period of delay
restarts as of the next contact.