FDA Product Code KNS: Unit, Electrosurgical, Endoscopic (with Or Without Accessories)

FDA product code KNS covers endoscopic electrosurgical units used for cutting and coagulation during gastrointestinal endoscopy.

These systems deliver high-frequency electrical current through endoscopic accessories — including snares, forceps, and knives — to resect polyps, cut tissue, and control bleeding during procedures such as polypectomy, endoscopic mucosal resection, and sphincterotomy.

KNS devices are Class II medical devices, regulated under 21 CFR 876.4300 and reviewed by the FDA Gastroenterology & Urology panel.

Leading manufacturers include Wilson-Cook Medical, Inc., Boston Scientific Corp and Boston Scientific Corporation.