Global Powered Surgical Instruments Market, Trends, Size By Power Source (Electric Instruments, Battery-Powered Instruments, and Pneumatic Instruments), By Product (Handpieces, Power Sources, and Controls, and Accessories), By Application (Orthopedic Surgery, Oral and Maxillofacial Surgery, Neurosurgery, ENT Surgery, Cardiothoracic Surgery, and Plastic and Reconstructive Surgery), By Region (North