Drainage of the Ureter - Drainage of the ureter, taking urine specimen, crossing of small stenosis and access to the renal pelvis, for usual diagnostic and therapeutic measures in urology (e.g. retrograde pyelography). - Our ureteral Catheters have an exclusive high quality shaft that is flexible and smooth for greater patient comfort. - Available in flexible and rigid types. - Single use product for convenience and assured sterility. - Ureter catheter is composed of a radiopaque tube and a Stainless Steel stylet with a brass handle. - The catheter is graduated along the first 50 cm, and has one lateral eye. - Sterile by E.O ready for use.