Cleared Traditional

K944678 - NIHON KOHDEN ELECTROENCEPHALOGRAPH

K944678 is an FDA 510(k) clearance for NIHON KOHDEN 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 242-day FDA review.

K944678 · Nihon Kohden America, Inc. · Neurology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
May 1995
Decision
242d
Days
Class 2
Risk

K944678 is an FDA 510(k) clearance for the NIHON KOHDEN ELECTROENCEPHALOGRAPH. Classified as Full-montage Standard Electroencephalograph (product code GWQ), Class II - Special Controls.

Submitted by Nihon Kohden America, Inc. (Irvine, US). The FDA issued a Cleared decision on May 22, 1995 after a review of 242 days - an extended review 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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Neurology review framework, consistent with the majority of Class II 510(k) submissions.

View all Nihon Kohden America, Inc. devices

FDA 510(k) Submission Details - K944678

510(k) Number K944678 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 22, 1994
Decision Date May 22, 1995
Days to Decision 242 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
94d slower than avg
Panel avg: 148d · This submission: 242d
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 K944678.
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