BLOOMINGTON, Ind.--(BUSINESS WIRE)--Continually striving to enhance patient care, Cook Medical recently announced significant updates to its Resonance Metallic Ureteral Stent System. First launched in 2007, the device now has an updated introducer system that includes a clear sheath for enhanced visualization, as well as ink markings on the delivery system to improve placement of the stent pigtail. The system provides ink markings as a reference to aid in both the first and second pigtail deployment for all stent sizes to ensure accurate placement.