View all text of Subpart B [§ 892.1000 - § 892.2080]
§ 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 (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.