Medicare will often cover the rental costs of a transcutaneous electrical nerve stimulation (TENS) unit if a person needs it for some chronic (long-term) pain conditions or acute (short-term) pain ... A TENS unit is a small device that delivers the current at or near your nerves to block or change your perception of pain. Healthcare providers use TENS to treat a range of conditions, including osteoarthritis, tendinitis and fibromyalgia.
Some people use a transcutaneous electrical nerve stimulation (TENS) unit to treat pain. This device works by sending electrical impulses through the skin. A typical battery-operated TENS unit is able to modulate pulse width, frequency, and intensity. Generally, TENS is applied at high frequency (>50 Hz) with an intensity below motor contraction (sensory intensity) or low frequency (<10 Hz) with an intensity that produces motor contraction.
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