Sage PrimoFit External Urine Management for the Male Anatomy. This urine management system uses continuous suction to help promote early catheter removal and reduce the risks of urinary tract infections. PrimoFit serves as an alternative to external collection devices or indwelling catheters while transitioning patients to independent continence. The base adhesive provides a customizable fit and ultra-soft wicking fabric diverts urine away from the skin. 40/case.