SPENCER, Ind.--(BUSINESS WIRE)--Cook Urology, a division of Cook Medical, today announced the availability of its Resonance Metallic Ureteral Stent in the United States. The device has the proven ability to dramatically improve the quality of life for patients during cancer treatment by relieving ureteral blockage, a painful and often debilitating side-effect. The Resonance Metallic Ureteral Stent is also indicated for most other causes of extrinsic ureteral compression. In addition, the Resonance Metallic Ureteral Stent can remain in the patient for up to 12 months thus minimizing patient discomfort and the additional costs associated with numerous stent changes.