Compact Four

FDA 510(k) K831896 · Nicolet Biomedical Instruments

Substantially Equivalent

510(k) numberK831896

Submission

Device name
Compact Four
Applicant
Nicolet Biomedical Instruments
Walker, MI, US
Received
June 14, 1983
Decision date
July 28, 1983
Decision
Substantially Equivalent (SESE)
Type
Traditional 510(k)

Official FDA 510(k) record

Device classification

Product code
GWF – Stimulator, Electrical, Evoked Response
Device class
Class II (moderate risk)
Regulation
21 CFR 882.1870
Specialty
Neurology

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K243982Nicolet EDXGWF · Special Natus Neurology Incorporated01/22/2025SE
K243495Natus Ultrapro S100 (982A0594)GWF · Special Natus Neurology Incorporated12/12/2024SE
K242345Delphi StimulatorGWF · Traditional Quantalx Neuroscience11/05/2024SE
K234092SafeOp 3: Neural Informatix SysteemGWF · Traditional Alphatec Spine, Inc.04/19/2024SE
K234080MEGA-IOM system with Neuro-IOM.NET software (32/B - 32/S - 16/S)GWF · Traditional Soterix Medical, Inc.03/25/2024SE
K233292ISIS Headboxes, ISIS Neurostimulator, ISIS Xpert Plus, ISIS Xpert, ISIS XpressGWF · Special Inomed Medizintechnik GmbH10/27/2023SE
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K873535Nicolet Expert Sleep/Wake Analysis SystemGWQ · Traditional 10/26/1987SE
K871678Nicolet Amp 6R11 SystemGWL · Traditional 07/16/1987SE
K862592Phoenix System Seven.EWO · Traditional 09/16/1986SE
K851190Nystagmograph Eog/Eng AnalysesGWN · Traditional 11/27/1985SE
K850259Electroencephalograph EEGGWQ · Traditional 04/11/1985SE
K850108Emg Surface, Digital Ring, Bar, Grounding, EEGGXY · Traditional 04/11/1985SE
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Questions and answers

When was Compact Four cleared by the FDA?

Compact Four (K831896) received a 510(k) decision of Substantially Equivalent on July 28, 1983, 44 days after the submission was received.

What is the product code of K831896?

The FDA product code is GWF – Stimulator, Electrical, Evoked Response, a Class II (moderate risk) device regulated under 21 CFR 882.1870.