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® Flexor® Ureteral Access SheathSend Enquiry Add to Enquiry Cook® NCircle Tipless Stone ExtractorSend Enquiry Add to Enquiry Cook® Urethral Dilator SetSend Enquiry Add to Enquiry Cook® Williams Cystoscopic Injection NeedleSend Enquiry