Electrotherapy Treatment

The Tri-Wave® Combination Stimulator is a high-quality, advanced technology medical device designed to be used as a combination interferential and muscle stimulator. Tri-Wave® is battery powered. Current is generated and controlled by the Tri-Wave® circuitry using Texas Instruments® microprocessor chips. These chips provide Tri-Wave® with the greatest degree of control and intelligence on the market today. Tri-Wave® was designed for the homecare market and many of the Tri-Wave® features are the result of countless discussions with patients, physicians and therapists as to what they want and need in a clinic and home use electrotherapy device.

Indications for Use

  • Interferential Current Mode: Symptomatic relief and management of chronic pain and/or as an adjunctive treatment for the management of post-surgical and post-traumatic pain.
  • Neuromuscular Stimulator Mode: Relaxation of muscle spasm, increasing local blood circulation, maintaining and increasing range of motion, preventing or retarding disuse atrophy, muscle re-education, and immediate post-surgical stimulation of calf muscles to prevent venous thrombosis.

Ordering Information

Please fax your orders to: (716) 712-0882 or our toll free fax at: (866) 712-0882.


  • A 2004 multi-center clinical trial assessed IFT as an adjunct to manipulative therapy for acute low back pain. At 12 months follow-up overall measures of physical function and bodily pain showed a statistically significant trend favoring combined therapy (average 90% greater improvement with IFT added, P=0.04, Spine;29: 2207-2216).
  • A 2010 meta-analysis assessing the efficacy of IFT for both acute and chronic musculoskeletal conditions found evidence supporting its pain relieving effect versus placebo (Phys Ther. Vol 90(9): p1219-1238).
  • A 2011 paper on chronic low back pain, found significant reductions in pain and disability scores, and much higher percentages of stopped pain medication in the IFT treatment group versus controls (Sao Paulo Med J; 129(4):206).
  • A randomized, double-blind study on IFT therapy after knee surgery, with IFT self-administered at home, found statistically significant improvement on pain scores, edema, range of motion and decreased use of pain medication (Clin J of Sport Medicine (2003) 13:16).
  • A randomized, double-blind trial, studying self-administered NMES for back pain, found that NMES treatment was associated with almost twice the pain relief of placebo (p<0.001, Arch Phys Med Rehabil. 1997 Jan;78(1):55).
  • A 2001 randomized, double-blind trial assessing NMES as an adjunct to exercise for non-acute low back pain found significantly improved lumbar spine function with NMES (Journal of Pain 2(5):295).