21 C.F.R. § 870.2700 Oximeter.
Title 21 - Food and Drugs
(a) Identification. An oximeter is a device used to transmit radiation at a known wavelength(s) through blood and to measure the blood oxygen saturation based on the amount of reflected or scattered radiation. It may be used alone or in conjunction with a fiberoptic oximeter catheter. (b) Classification. Class II (performance standards).
Title 21: Food and Drugs
PART 870—CARDIOVASCULAR DEVICES
Subpart C—Cardiovascular Monitoring Devices
§ 870.2700 Oximeter.