Cleared Traditional

K931428 - CADWELL 6200 A

K931428 is an FDA 510(k) clearance for CADWELL 6200 A, manufactured by Cadwell Laboratories, Inc.. The device is a Class 2 Neurology device with product code GWF cleared through the Traditional 510(k) pathway after a 88-day FDA review.

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jun 1993
Decision
88d
Days
Class 2
Risk

K931428 is an FDA 510(k) clearance for the CADWELL 6200 A. Classified as Stimulator, Electrical, Evoked Response (product code GWF), Class II - Special Controls.

Submitted by Cadwell Laboratories, Inc. (Kennewick, US). The FDA issued a Cleared decision on June 22, 1993 after a review of 88 days - a notably fast clearance cycle.

This device falls under the Neurology FDA review panel, regulated under 21 CFR 882.1870 - 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 Cadwell Laboratories, Inc. devices

FDA 510(k) Submission Details - K931428

510(k) Number K931428 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 26, 1993
Decision Date June 22, 1993
Days to Decision 88 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
60d faster than avg
Panel avg: 148d · This submission: 88d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

GWF Device Classification - Class 2, Special Controls

Product Code GWF Stimulator, Electrical, Evoked Response
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 882.1870
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 - GWF Stimulator, Electrical, Evoked Response

All 61
Devices cleared under the same product code (GWF) and FDA review panel - the closest regulatory comparables to K931428.
NIHON KOHDEN NEUROPACK SIGMA MEB-5500A EVOKED RESPONSE & EMG MEASURING SYSTEM
K950208 · Nihon Kohden America, Inc. · May 1995
DANTEC MAGLITE MAGNETIC STIMULATOR (MAGLITE)
K931923 · Dantec Medical, Inc. · Nov 1993
DANTEC MAGNETIC STIMULATOR MAGPRO
K926516 · Dantec Medical, Inc. · Aug 1993
CADWELL SIERRA
K924723 · Cadwell Laboratories, Inc. · Mar 1993
DANTEC EVOLUTION
K924127 · Dantec Medical, Inc. · Mar 1993
MEM-4204-4-8, MEB-4204 &4208 EVOKE POTENT MEAS SYS
K912685 · Nihon Kohden America, Inc. · Feb 1992