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® Atlas Wire Stone Extractor $0.00 Add to cart Cook® Balloon Ureteral Dilator $0.00 Add to cart Cook® Delta Wire Grasper $0.00 Add to cart Cook® Dual Lumen Ureteral Access Catheter $0.00 Add to cart Cook® NTrap Stone Entrapment and Extraction Device $0.00