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® Dual Lumen Ureteral Access CatheterSend Enquiry Add to Enquiry Cook® HiWireâ„¢ Nitinol Core Wire GuideSend Enquiry Add to Enquiry Cook® NCompass Nitinol Stone ExtractorSend Enquiry Add to Enquiry Cook® Ureteral Dilator SetSend Enquiry Add to Enquiry Cook® Urethral Dilation Access SetSend Enquiry