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® Delta Wire GrasperSend Enquiry Add to Enquiry Cook® Grasping ForcepsSend Enquiry Add to Enquiry Cook® NCircle Tipless Stone ExtractorSend Enquiry Add to Enquiry Cook® Peel-Away Introducer SetsSend Enquiry Add to Enquiry Cook® Ureteral Dilator SetSend Enquiry