21 CFR 874.1325 - Electroglottograph.

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§ 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.

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United States Code

Title 21 published on 2015-04-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 21 CFR Part 874 after this date.

  • 2015-08-04; vol. 80 # 149 - Tuesday, August 4, 2015
    1. 80 FR 46192 - Medical Devices; Ear, Nose, and Throat Devices; Classification of the External Upper Esophageal Sphincter Compression Device
      GPO FDSys XML | Text
      DEPARTMENT OF HEALTH AND HUMAN SERVICES, Food and Drug Administration
      Final order.
      This order is effective August 4, 2015. The classification was applicable on March 6, 2015.
      21 CFR Part 874