Cleared Special

COILS, MODELS MCF-B65, MCF-75, MCF-125 AND COOL-B65 (K071821) - FDA 510(k) Clearance

Class II Neurology device cleared through the Special 510(k) pathway - typically does not require clinical trials.

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Jul 2007
Decision
24d
Days
Class 2
Risk

K071821 is an FDA 510(k) clearance for the COILS, MODELS MCF-B65, MCF-75, MCF-125 AND COOL-B65. Classified as Stimulator, Electrical, Evoked Response (product code GWF), Class II - Special Controls.

Submitted by Tonica Elektronik A/S (Farum, DK). The FDA issued a Cleared decision on July 27, 2007 after a review of 24 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. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.

Device pattern: Iterative device modification. Low regulatory complexity profile. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

View all Tonica Elektronik A/S devices

Submission Details

510(k) Number K071821 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 03, 2007
Decision Date July 27, 2007
Days to Decision 24 days
Submission Type Special
Review Panel Neurology (NE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
124d faster than avg
Panel avg: 148d · This submission: 24d
Pathway characteristics
Modification to existing cleared device.

Device Classification

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 21
Devices cleared under the same product code (GWF) and FDA review panel - the closest regulatory comparables to K071821.
NIM Vital, Nerve Integrity Monitor
K200759 · Medtronic Xomed, Inc. · Oct 2020
The EPAD 2 System
K182542 · Safeop Surgical, Inc. · Feb 2019
SEN-4100 ELECTRIC STIMULATOR
K071969 · Nihon Kohden America, Inc. · Oct 2008
MEE-1000A NEUROMASTER
K051178 · Nihon Kohden America, Inc. · Aug 2005
NIHON KOHDEN MEB-2200A NEUROPACK EVOKED POTENTIAL & EMG MEASURING SYSTEM WITH ACCESSORIES
K991899 · Nihon Kohden America, Inc. · Sep 1999
NIHON KOHDEN NEUROPACK SIGMA MEB-5500A EVOKED RESPONSE & EMG MEASURING SYSTEM
K950208 · Nihon Kohden America, Inc. · May 1995