CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER H—MEDICAL DEVICES (parts 800 to 898) > PART 892—RADIOLOGY DEVICES > SUBPART B—Diagnostic Devices (§892.1000 to §892.2050) > 892.1820—Pneumoencephalographic chair.

892.1820—Pneumoencephalographic chair.

(a) Identification. A pneumoencephalographic chair is a chair intended to support and position a patient during pneumoencephalography (x-ray imaging of the brain).
(b) Classification. Class II.