§868.2550. Pneumotachometer.
21 C.F.R. § 868.2550
Identification. A pneumotachometer is a device intended for medical purposes that is used to determine gas flow by measuring the pressure differential across a known resistance. The device may use a set of capillaries or a metal screen for the resistive element.
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 § 868.9.
Notes, amendments, and revision history
Amendments
[47 FR 31142, July 16, 1982, as amended at 84 FR 71811, Dec. 30, 2019]
Authority
Authority: 21 U.S.C. 351, 360, 360c, 360e, 360j, 360 l, 371.
Source
Source: 47 FR 31142, July 16, 1982, unless otherwise noted.
Amendments
[47 FR 31142, July 16, 1982, as amended at 84 FR 71811, Dec. 30, 2019]