[Code of Federal Regulations] [Title 21, Volume 8] [Revised as of April 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR890.3520] [Page 482] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES--(Continued) PART 890--PHYSICAL MEDICINE DEVICES--Table of Contents Subpart D--Physical Medicine Prosthetic Devices Sec. 890.3520 Plinth. (a) Identification. A plinth is a flat, padded board with legs that is intended for medical purposes. A patient is placed on the device for treatment or examination. (b) Classification. Class I (general controls). This device is exempt from the premarket notification procedure in subpart E of part 807. The device is also exempt from the current good manufacturing practice regulations in part 820, with the exception of Sec. 820.180, with respect to general requirements concerning records and Sec. 820.198 with respect to complaint files.