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May Wakamatsu, Obstetrics & Gynecology, answeredFor a percutaneous tibial nerve stimulation (PTNS) treatment, which lasts about half an hour, a hair-thin wire is inserted near the tibial nerve just above your ankle. The wire is connected to an external device that delivers low-frequency electrical pulses. The stimulation travels to the sacral nerve, where it is designed to reset nerve signals to the bladder and thus diminish incontinence related to an overactive bladder (frequent urination and urges to urinate). The treatment is used once a week for several weeks and then as needed to control symptoms.