Cook® Whistle Tip Ureteral Catheter Send Enquiry Product Information Used for drainage and retrograde pyelogram. Additional Information FURTHER INFORMATION Related products Add to Enquiry Cook® Flexor® Ureteral Access SheathSend Enquiry Add to Enquiry Cook® Grasping ForcepsSend Enquiry Add to Enquiry Cook® HiWire™ Nitinol Core Wire GuideSend Enquiry Add to Enquiry Cook® Ureteral Dilator SetSend Enquiry Add to Enquiry Cook® Urethral Dilation Access SetSend Enquiry