**5.3.1 Noninvasive electrical stimulation**

There are several devices on the market to provide noninvasive electrical stimulation to the pelvic floor. The removable device is placed in the. Its mechanism of action in the treatment of OAB is thought to be secondary to reflex inhibition of the detrusor muscle by stimulation of the pudendal nerve. There is some evidence that this therapy has some efficacy in the treatment of OAB. (Berghmans et al., 2000; Goode et al., 2003)
