Abbott Prodigy 3855 - Setting Pulse Width; Setting Electrode Polarities

Figure 53. Freq/PW Limit screen
Seng Pulse Width
Pulse width is the duraon of each electrical pulse (me smulaon is on) and is measured in microseconds
(µs). Pulse width adjustments can be made between 50 and 500 µs and in alternang increments of
12 and 13 µs, starng with 12 µs.
NOTE: Wide pulse widths will deplete the baery at a faster rate and increase recharging frequency.
1.
From the Program screen, press the Balance key unl it highlights the PW parameter.
1.
Figure 54.
Highlight the PW eld
CAUTION: An increase in pulse width without a previous decrease in amplitude can cause uncomfortable
smulaon sensaons. Always adjust amplitude accordingly when adjusng pulse width.
2.
Press the Amplitude Increase (or Decrease) key unl you reach the desired value.
2.
NOTE: Changes to pulse width will reset any prior percepon or maximum tolerable sengs.
Seng Electrode Polaries
Electrode polaries control the formaon of the electrical elds and where the paent feels smulaon. You
can select a polarity symbol (
+
,
–
, or 0) for each electrode on a lead, and each electrode has a default seng
of neutral (0). The system can also be set to funcon with the IPG (also called a “can”) as the anode (
+).
When using a single quadripolar lead, the rst four polarity symbols in Pol 1‑8 represent electrodes 1‑4. When
using a dual quadripolar lead conguraon, the rst four polarity symbols in Pol 9‑16 represent
electrodes 5‑8.
NOTE: Changes to polaries automacally set any acve amplitude to zero and reset the percepon and
the maximum tolerable values.
Seng Polaries Using Only the Electrodes
These instrucons present the method that is normally used to set electrode polaries. With this method, you
set at least one electrode on the lead to funcon as an anode (
+).
To set electrode polaries using only the electrodes:
1. From the Program screen, press the Balance key unl it highlights the Pol eld.1.
Figure 55.
Highlight the Pol eld
2.
Press a Scroll key to highlight the electrode that you want to set.
2.
3.
Press the Amplitude Increase (or Decrease) key to select a polarity (
–
,
+
, or 0).
3.
4.
To change the polarity of another electrode, repeat steps 2 and 3.
4.
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