The RELIEF Ureteral Stent (IMAGE) University Hospitals Cleveland Medical Center Caption The RELIEF Ureteral Stent, Invented by UH Urologist Dr. Lee Ponsky, Secures FDA Clearance as First and Only Stent for Prevention of Vesicoureteral Reflux. Credit Ureteral Stent Company Usage Restrictions N/A License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.