§ 870.2780. Hydraulic, pneumatic, or photoelectric plethysmographs.
35 words·~1 min read·
/us/cfr/t21/s§ 870.2780·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)Identification. A hydraulic, pneumatic, or photoelectric plethysmograph is a device used to estimate blood flow in a region of the body using hydraulic, pneumatic, or photoelectric measurement techniques.
(b)Classification. Class II (performance standards).