§ 892.1820. Pneumoencephalographic chair.
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/us/cfr/t21/s§ 892.1820·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(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 (special controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 892.9. [48 FR 53047, Nov. 23, 1983, as amended at 84 FR 71819, Dec. 30, 2019]