Cook® Amplatz Sheath – Opaque Send Enquiry Product Information Used to maintain a previously established nephrostomy tract. Additional Information FURTHER INFORMATION Related products Add to Enquiry Cook® Balloon Ureteral DilatorSend Enquiry Add to Enquiry Cook® Delta Wire GrasperSend Enquiry Add to Enquiry Cook® Dual Lumen Ureteral Access CatheterSend Enquiry Add to Enquiry Cook® Peel-Away Introducer SetsSend Enquiry Add to Enquiry Cook® Standard Fixed Core Wire GuideSend Enquiry