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® HiWireâ„¢ Nitinol Core Wire GuideSend Enquiry Add to Enquiry Cook® NCircle Tipless Stone ExtractorSend Enquiry Add to Enquiry Cook® NGageâ„¢ Nitinol Stone ExtractorSend Enquiry Add to Enquiry Cook® Roadrunner® PC Wire Guide – Double FlexibleSend Enquiry