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Overview
When inflated, the cuff constricts the urethra and blocks passage of any urine. When deflated, the cuff reduces pressure on the urethra and allows for free passage of urine.
Review Date 4/10/2022
Updated by: Kelly L. Stratton, MD, FACS, Associate Professor, Department of Urology, University of Oklahoma Health Sciences Center, Oklahoma City, OK. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.