RA Fischer vs. Dermadry - RA Fischer Co.
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Silicon-Graphite Electrodes

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Active Treatment Display (ATD)

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Direct & Pulsed Current

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3-Button Interface

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Custom pH-Balancing Inserts

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Ergonomic Armrests

RA Fischer vs. Dermadry

Dermadry is a Canadian-based iontophoresis company. The Fischer’s modern iontophoresis treatment far surpasses theirs in terms of speed, effectiveness, and safety. Even better: RA Fischer is able to work directly with insurance companies to try and get the cost of the device covered for patients, whereas Dermadry is only available out-of-pocket. Read on for technical comparisons.

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Key differences
  •    Silicone-Graphite Electrodes
  •    Approved for pediatric patients < 13
  •    Flexible Underarm

       Electrodes

  •    No Open Metal

       Contacts

  •    Active Treatment Display
  •    High Current
  •    Direct Current
  •    Treats hands & feet

       at the same time

  •    Optional Constant Polarity
  •    Replacement Costs

Fischer

$975
  • (30 mA)
  • Low
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Dermadry

$499
  • (25/15/8 mA)
  • High ($200 first 5-years)

I. Reputation

The Canadian iontophoresis machines rely on traditional metal electrode plates. Made from aluminim or stainless steel, these plates corrode over time due to the very basic/acidic environment. You may notice discoloration on the surface, which can impede the current flow during treatment.

These traditional metal electrodes also need to be cleaned regularly, which increases the electrical resistance – making treatment less effective over time. The plates will need to be replaced if you start to notice pitting, or small holes, developing in the metal.

What’s worse: metal ions are released into the water during treatment. These can also enter into the skin and bloodstream. This is why patients with metal allergies cannot treat via traditional iontophoresis.

hyperhidrosis-vs-iontoderma-ra-fischer-iontophoresis
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II. Usability

  • Predefined treatment times: 20 min for feet/hands
    and 15 min for underarms
  • Max. current: 25, 15 and 8 mA (Feet, Hands, Underarms)
  • Only Pulsed Current (less efficient of the treatment options)
  • Predefined polarity change (every 5 min, which is less effective)
  • Up to 6 weeks (with 3 to 5 sessions per week) before seeing (first) results …

III. From Their IFU

  • “Completely corroded electrodes can prevent the device from delivering current. They are consumables and should be replaced when necessary.”
  • $189 in replacement costs over first 5-years
    • “Every 1-2 years towels, underarm electrodes and tray electrodes shall be replaced.”
      • 2 (replacements) x ($ 9 + $ 27 + $ 36) = $ 144
    • “Every years underarm pockets shall be replaced.”
      • 5 (replacements) x $ 9 = $ 45
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