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® Dual Lumen Ureteral Access Catheter $0.00 Add to cart Cook® Fascial Dilator Set – Urethral $0.00 Add to cart Cook® NCircle Tipless Stone Extractor $0.00 Add to cart Cook® Peel-Away Introducer Sets $0.00 Add to cart Cook® UPJ Occlusion Balloon Catheter 6Fr $0.00