Percutaneous tibial nerve stimulation (PTNS), also referred to as posterior tibial nerve stimulation, is the least invasive forms of neuromodulation used to treat overactive bladder and the associated symptoms of urinary urgency, urinary frequency and urge incontinence. These urinary symptoms may also occur with interstitial cystitis and following a post-radical prostatectomy. Outside the United States, PTNS is also used to treat fecal incontinence. PTNS can be used as a primary therapy. However, treatment for Overactive Bladder and Fecal Incontinence begins with conservative therapies including pharmacology...