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® Atlas Wire Stone ExtractorSend Enquiry Add to Enquiry Cook® Flexor® Ureteral Access SheathSend Enquiry Add to Enquiry Cook® NTrap Stone Entrapment and Extraction DeviceSend Enquiry Add to Enquiry Cook® Peel-Away Introducer SetsSend Enquiry Add to Enquiry Cook® Urethral Dilation Access SetSend Enquiry