21 CFR 874.1070 - Short increment sensitivity index (SISI) adapter.

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§ 874.1070 Short increment sensitivity index (SISI) adapter.

(a) Identification. A short increment sensitivity index (SISI) adapter is a device used with an audiometer in diagnostic hearing evaluations. A SISI adapter provides short periodic sound pulses in specific small decibel increments that are intended to be superimposed on the audiometer's output tone frequency.

(b) Classification. Class I (general controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to § 874.9.

[55 FR 48440, Nov. 20, 1990, as amended at 65 FR 2315, Jan. 14, 2000]

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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