An assembly of electrically-powered devices designed to reduce the perception of pain by electrically stimulating peripheral nerves across the skin [transcutaneous electrical nerve stimulation (TENS)]. It includes an external current generator and skin-surface electrodes. It typically includes several predetermined stimulation options and is often worn on a belt or carried in a pocket of the user. It is intended for use in the home and healthcare facility to treat pain from surgery, trauma, musculoskeletal problems/arthritis, bursitis, dental problems, and may be used in physical therapy and during labour/delivery.
mylivia.com