The key players studied in market are Novartis AG, Stryker, Intuitive Surgical, Auris Health, Inc., Cephalon, Inc, Zimmer Biomet Holdings Inc., Medtronic Plc, Glaxo Smith Kline Plc, Pfizer, Inc., UCB S.A, Natus Medical Incorporated, Teva Pharmaceutical Industries Ltd., Bausch Health Companies Inc. Monteris Medical and Sunovion Pharmaceuticals Inc. among others.