Convatec GentleCath Intermittent Urinary Catheter, Uncoated, Male, Coude/Tiemann, 8Fr, 16″, PVC, Smooth Insertion, Polished and Rounded Eyelets, Latex-Free, DEHP-Free.Convatec GentleCath Male Intermittent Urinary Tiemann Catheter is designed to make catheter insertion and removal as smooth and easy as possible for catheter users with complicated urethtral passages. The product features polished and rounded eyelets to minimize friction, and has a soft, rounded tip that aids smooth insertion. Also available in male straight tip and female straight tip.