Ureteral Catheters The Ureteral Catheters are used for drainage of urine from the ureter and they allow the delivery of contrast media. allFlex Ureteral Catheters(Open Tip) allFlex Ureteral Catheters(Open Tapered Tip) allFlex Ureteral Catheters(Closed Tip) allFlex Ureteral CathetersCone Tip allFlex Ureteral Catheters(Angled Open Tip) allFlex Ureteral Catheters(Angled Closed Tip) Krait Ureteral Catheter(Open Tip) Krait Ureteral Catheter(Closed Tip)