It was initially used for testing the tolerance of chronic pain patients to electrical stimulation before implantation of electrodes in the spinal cord dorsal column. The first modern, patient-wearable TENS was patented in the U.S.A. Only the electreat survived into the twentieth century, but was not portable, and had limited control of the stimulus. In the 1900's a device called the electreat, along with numerous other devices were used for pain control and other quack applications such as cancer cures. Benjamin Franklin was a proponent of this method for pain relief. In the 16th through the 18th century various electrostatic devices were used for headache and other pains. It was reported by Scribonius Largus that pain was relieved by standing on an electrical fish at the seashore. See also Erotic electrostimulation.Įlectrical stimulation for pain control was used in ancient Greece, 63 A.D. TENS units are also used by the BDSM community for erotic play involving electrical stimulation. The position of the electrodes on the skin determine which nerve(s) is (are) stimulated. Ī suitable cream should be used to increase conductivity from the electrode to the skin. ![]() ![]() However, a study published in the New England Journal of Medicine found that TENS therapy was no more effective against chronic lower back pain than a placebo. ![]() Although results are modest, some patients benefit from this approach. In palliative care and pain medicine, TENS units are sometimes used in an attempt to alleviate neuropathic pain (pain due to nerve damage). Nevertheless, there is little data on its actual efficacy, and some obstetricians maintain that it is ineffective. TENS is considered a method of pain relief, and has a wide following for use in obstetric care, particularly labour.
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