Cook® Amplatz Sheath – Clear with Radiopaque Stripe Product Information Used to maintain a previously established nephrostomy tract. Additional Information FURTHER INFORMATION Related products Add to cart Cook® NCompass Nitinol Stone Extractor $0.00 Add to cart Cook® Roadrunner® PC Wire Guide $0.00 Add to cart Cook® Standard Fixed Core Wire Guide $0.00 Add to cart Cook® Ultraxx™ Nephrostomy Balloon $0.00 Add to cart Cook® Urethral Dilator Set $0.00