4 • Working with the APC 2 (in combination with a VIO from the D series)
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Setup parameters on the APC 2
When working with the APC 2 you can select and set up various parameters. To do
this you use the display and the controls of the VIO electrosurgical unit, which is al
-
ready known to you. The availability of these parameters can be seen from the Focus
View for the APC socket. However, this task is generally carried out for you by the in
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strument detection system of the Erbe APC instruments: certain values are stored
electronically on the instrument and are preset automatically when the instrument is
inserted in the socket of the unit.
Depending on the mode, the other parameters affect the coagulation result in com-
pletely different ways. It is therefore not possible to give simple rules of thumb for use.
Mode
Here you can select a specific mode (FORCED APC, PRECISE APC, PULSED APC and pos-
sibly others). Modes vary according to their technical properties (voltage control etc.),
which bring about different coagulation results.
Effect
The effect is an indicator for the strength of the mode selected. This does not mean
that with a higher effect the result will be greater in everyregard. For example, al
-
though a higher effect results in faster coagulation of the tissue with FORCED APC, the
coagulation depth is reduced as a consequence.
Flow
With the flow, the rate of argon flow is set in litres per minute (l/min). Depending on
the application, a lower flow rate (e.g. if there is a risk of argon being introduced into
bodily cavities, gas embolisms) or a higher rate may be appropriate.
Fig. 4-2
Power
The power setting allows you to preselect the maximum output applied to the tissue.
Purging the instrument with argon
If you wish to purge the instrument with argon during surgery press the Purge button
(1). The Purge button only refers to the socket whose Focus button is lit up. The in-
strument which you wish to purge must be connected to the socket with the illuminat-
ed Focus button.
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