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® Balloon Ureteral DilatorSend Enquiry Add to Enquiry Cook® NCircle Delta Wire Tipless Stone ExtractorSend Enquiry Add to Enquiry Cook® NGage™ Nitinol Stone ExtractorSend Enquiry Add to Enquiry Cook® Ultraxx™ Nephrostomy BalloonSend Enquiry Add to Enquiry Cook® UPJ Occlusion Balloon Catheter 6FrSend Enquiry