21 CFR 874.1325 - Electroglottograph.

§ 874.1325 Electroglottograph.
(a) Identification. An electroglottograph is an AC-powered device that employs a pair of electrodes that are placed in contact with the skin on both sides of the larynx and held in place by a collar. It is intended to measure the electrical impedance of the larynx to aid in assessing the degree of closure of the vocal cords, confirm larygeal diagnosis, aid behavioral treatment of voice disorders, and aid research concerning the laryngeal mechanism.
(b) Classification. Class II.

Title 21 published on 2014-04-01

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