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SECTION 1: INTRODUCTION
1.5 Pilogel Iontophoretic Discs
Pilogel iontophoretic discs were developed specifically to efficiently transport pilocarpine ions
while maintaining a moist skin interface. See Appendix A: Pilogel Information.
WARNING!
Pilogel is considered harmful. Do not ingest. Consult the SDS sheet for more information.
Efficient Sweat Production
Reliable, uniform, gel-to-skin contact ensures delivery of pilocarpine over the whole skin area,
thus providing total gland stimulation and maximal sweat yield.
Despite being mostly water and presenting a "wet" surface to the skin, Pilogel discs do not exude
fluid even under the pressure applied during limb attachment. This generally avoids the problem
of "bridging" between electrodes. Gel-fitted electrodes may be placed in close proximity without
risking a short circuit, a great advantage when dealing with neonates.
Pilogel eliminates the need to apply gauze or paper pads. The discs are immediately ready for use.
Ensuring Patient Safety
The Macroduct Advanced 3710 system performs the sweat test using an established, safe, and
effective process.
Pilogel discs provide an air-free continuous conduction medium and even distribution of current
over the stimulated skin area, reducing the possibility of minor electrical burns to the skin.
The Pilogel disc fits snugly into the recess of the electrode, preventing disc separation from the
electrode. This virtually eliminates any possibility of a minor skin burn from direct metal-to-skin
contact.
Burns During Iontophoresis
The Macroduct Sweat Collection System has become the most frequently-used system in hospitals
and clinics worldwide.
While the Macroduct system is clearly superior to previous methods, minor burns during
iontophoresis have not been totally eliminated. Based on reports from practitioners using the
Macroduct 3700, less than one burn in 50,000 iontophoretic procedures is estimated.
Burn descriptions vary from “tiny black pinholes in the skin” to “crater-like, third degree burns two
to three millimeters in diameter.” In most of the reported cases the patients have exhibited no
sign of pain or discomfort during iontophoresis, and the burn was not discovered until the
electrodes were removed.
If the procedures outlined in the manual are followed correctly, burns should be extremely rare.
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