Peripheral nerve stimulation (PNS) is a technique of sending small electrical impulses to the nerve responsible for pain. The procedure involves placing electrodes under the skin near to the nerve that is causing pain. Once the electrodes are placed, a weak electric current is administered to the nerve which is experienced as a tingling sensation. The electric current stimulates the non-painful sensory pathway which tricks the brain into turning off the painful signals.
PNS is usually a two-step process. Initially, a temporary trial electrode connected to an external power supply is placed for about a week. This helps determine whether the stimulation is helpful. If the stimulator is not helpful, it is removed. If benefited, then the temporary trial electrode is replaced with a permanent electrode and then connected to an internal battery pack. You may return to your normal activities of daily living once the electrode is in place.
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