§ 870.2780 Hydraulic, pneumatic, or photoelectric plethysmographs.
Current through Sep 8, 2026 · Read all of Part 870
(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).