Section 878.4960 - Operating tables and accessories and operating chairs and accessories(a)Identification. Operating tables and accessories and operating chairs and accessories are AC-powered or air-powered devices, usually with movable components, intended for use during diagnostic examinations or surgical procedures to support and position a patient.(b)Classification. Class I (general controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to § 878.9 .55 FR 48440, Nov. 20, 1990, as amended at 65 FR 2318 , Jan. 14, 2000