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45 FR 7907, Feb. 5, 1980, unless otherwise noted.
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Nomenclature changes to part 870 appear at 73 FR 35341, June 23, 2008.
(a) Identification. An echocardiograph is a device that uses ultrasonic energy to create images of cardiovascular structures. It includes phased arrays and two-dimensional scanners.
(b) Classification. Class II (performance standards).