Urethro-plasty, a Novel Operation based on a New Concept, for the Treatment of Stress Urinary Incontinence, SUI, Detrusor Instability, D.I., and Mixed-type of Urinary Incontinence. Introduction: Urethro-plasty, a vaginal operation for surgical management of SUI, DI and Mixed-type of urinary incontinence is innovated, depending on, a new concept. SUI is a sequel of a weak, defective internal ure...