Niva Medical Oy
TENS Machine Electrode Pads
TENS Machine Electrode Pads
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TENS Machine Electrode Pads - clinically engineered replacement electrode pads in 5 anatomically optimised sizes (3.2cm, 5cm, 5×5cm, 5×9cm, 7cm). Low-impedance hydrogel ensures smooth, uniform current delivery without skin irritation. 100% latex-free. Compatible with all TENS and EMS devices. Reusable and long-lasting.

KEY TAKEAWAYS
✓ Low-Impedance Hydrogel eliminates painful 'hot spots' for smooth, comfortable stimulation.
✓ 100% Latex-Free - safe for all skin types including sensitive and atopic skin.
✓ Viscoelastic hydrogel conforms to curved body surfaces and stays secure during movement.
✓ Reusable for 10–15 sessions - dramatically lower cost-per-treatment vs disposable pads.
✓Five anatomically optimised sizes - a perfect fit for every body region.
How to Use Polar Trode™ Electrode Pads
- Prepare the skin: Clean and dry the treatment area. Remove any lotion, oil, or sweat for maximum adhesion.
- Attach the lead wires: Connect your TENS device lead wires to the 2mm snap connectors on each pad before applying to skin.
- Peel and place: Remove from protective liner. Position pads on the treatment area. Press firmly to ensure full skin contact across the entire pad surface.
- Select your settings: Set your TENS unit to the appropriate mode and frequency for your condition. Start at a low intensity and increase gradually to a therapeutic level.
- After treatment, store correctly: Return pads to the protective liner and reseal in the provided storage bag. Store away from heat and sunlight to maximise reuse lifespan.
FAQ
What is the difference between TENS and EMS electrode pads?
TENS (Transcutaneous Electrical Nerve Stimulation) pads and EMS (Electrical Muscle Stimulation) pads are physically identical. The difference lies in the device's output settings. TENS delivers low-frequency current to modulate pain signals (sensory nerve stimulation). EMS delivers higher-frequency current to elicit muscle contractions (motor nerve stimulation). Polar Trode™ pads are compatible with both TENS and EMS devices.
How many times can I reuse Polar Trode™ electrode pads?
Polar Trode™ pads are designed for 10–15 reuse sessions when stored correctly (returned to protective liner, sealed in the provided bag, and kept away from heat and direct sunlight). Longevity varies depending on individual skin type, body hair, and how thoroughly the skin was cleaned before application. You will know pads need replacing when the gel no longer adheres firmly to clean, dry skin.
Are Polar Trode™ pads compatible with my TENS machine?
Yes. Polar Trode™ pads use the universal standard 2mm snap connector, which is compatible with the lead wires supplied with virtually all TENS and EMS devices on the market. If your device uses a 3.5mm pin connector, an inexpensive snap-to-pin adapter is available.
Can I use TENS electrode pads if I have sensitive skin or a latex allergy?
Yes. Polar Trode™ pads are 100% latex free and formulated with a biocompatible, hypoallergenic hydrogel. They are safe for patients with Type I latex hypersensitivity, atopic dermatitis, and general skin sensitivity. If you have a known severe allergy to any adhesive product, conduct a 15-minute patch test on a small area before full application.
Where should I NOT place TENS electrode pads?
Do not place electrode pads; directly over the heart or on the chest if you have a cardiac pacemaker; on broken, infected, or inflamed skin; over the carotid arteries (sides of the neck); on the head, face, or mouth; over a pregnant abdomen; or on areas of reduced or absent sensation. Always consult a qualified healthcare professional before commencing TENS therapy for any medical condition.
Which size should I use for lower back pain?
For lower back pain, the 7cm round (for large lumbar paraspinal muscle coverage), the 5×9cm oval (for the erector spinae along the spine), or the 5×5cm square (for the lumbar multifidus) are the most commonly used sizes. The choice depends on the specific muscles involved and the extent of the area being treated. Many practitioners use two 5×9 cm oval pads placed on either side of the spine for comprehensive lumbar coverage.
Can Polar Trode™ pads be used for sciatica?
Yes. For sciatic pain, the 5×9 cm oval pads are particularly effective when placed parallel to the lumbar spine to target the erector spinae.
The 7cm round pads can be used over the gluteal region (piriformis and gluteus medius) to address muscular contributors to sciatic nerve compression. Many physiotherapists use a combination of both sizes for comprehensive sciatic pain management.