The ZIPwire™ Nitinol Hydrophilic Guidewire was designed to create less trauma to the ureter with its soft flexible tip that is less invasive as it travels through the urinary tract. it has a hydrophilic coating that makes traveling through the urinary tract smooth, and allows for simple device tracking. The extremely flexible nitinol core does not kink, and the nitinol core and polyurethane jacket allow for torque ability, which allows for perfect control and positioning. The extremely radiopaque jacket was created to improve fluoroscopic visibility. The ZIPwire™ Nitinol Hydrophilic Guidewire comes with various tip styles like the Bentson-type tip that allows for more flexibility, especially in narrower ureters and ureters that have extreme blockages. ZIPwire offers this devices in both standard and stiff shafts. The stiff shaft was made to enhance push ability, assist in straightening difficult anatomy, and allow for the advancement of devices.