Cleared Traditional

K791233 - MODEL EEG-4214 ELECTROENCEPHALOGRAPH

K791233 is an FDA 510(k) clearance for MODEL EEG-4214 ELECTROENCEPHALOGRAPH, manufactured by Nihon Kohden America, Inc.. The device is a Class 2 Neurology device with product code GWQ cleared through the Traditional 510(k) pathway after a 75-day FDA review.

K791233 · Nihon Kohden America, Inc. · Neurology device
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Sep 1979
Decision
75d
Days
Class 2
Risk

K791233 is an FDA 510(k) clearance for the MODEL EEG-4214 ELECTROENCEPHALOGRAPH. Classified as Full-montage Standard Electroencephalograph (product code GWQ), Class II - Special Controls.

Submitted by Nihon Kohden America, Inc. (Foothill, US). The FDA issued a Cleared decision on September 12, 1979 after a review of 75 days - a notably fast clearance cycle.

This device falls under the Neurology FDA review panel, regulated under 21 CFR 882.1400 - the FDA neurology device framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

View all Nihon Kohden America, Inc. devices

FDA 510(k) Submission Details - K791233

510(k) Number K791233 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 29, 1979
Decision Date September 12, 1979
Days to Decision 75 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
73d faster than avg
Panel avg: 148d · This submission: 75d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

GWQ Device Classification - Class 2, Special Controls

Product Code GWQ Full-montage Standard Electroencephalograph
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 882.1400
Definition Acquire, Display, Store, And Archive Electroencephalographic Signals From The Brain Using A Full Montage Array (i.e., 16 Or More Electrodes) And User-specified Locations
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Neurology devices follow this clearance model.

Regulatory Peers - GWQ Full-montage Standard Electroencephalograph

All 96
Devices cleared under the same product code (GWQ) and FDA review panel - the closest regulatory comparables to K791233.
MINGOGRAF EEG21
K802292 · Siemens Corp. · Oct 1980
MINGOGRAF EEG10
K802296 · Siemens Corp. · Oct 1980
ELECTROENCEPHALOGRAPHS MODELS 7209,7213
K791150 · Nihon Kohden America, Inc. · Sep 1979
MODEL EEG-4217 ELECTROENCEPHALOGRAPH
K791234 · Nihon Kohden America, Inc. · Sep 1979
ACCESSORY TO 4-24 RECORDER
K781129 · Oxford Medilog, Inc. · Aug 1978
ELECTROENCEPHALOGRAPH ACCUTRATE 200
K781005 · Beckman Instruments, Inc. · Jun 1978