Cook® Williams Cystoscopic Injection Needle Product Information Used for cystoscopic injection into urethra, bladder neck and the bladder wall. Additional Information FURTHER INFORMATION Related products Add to cart Cook® Delta Wire Grasper $0.00 Add to cart Cook® Fascial Dilator Set – Urethral $0.00 Add to cart Cook® NCircle Delta Wire Tipless Stone Extractor $0.00 Add to cart Cook® NGage™ Nitinol Stone Extractor $0.00 Add to cart Cook® Ureteral Dilator Set $0.00