Cleared Abbreviated

K091457 - NEXSTIM EXIMIA NAVIGATED BRAIN STIMULATION SYSTEM

K091457 is an FDA 510(k) clearance for NEXSTIM EXIMIA NAVIGATED BRAIN STIMULAT..., manufactured by Nexstim OY. The device is a Class 2 Neurology device with product code GWF cleared through the Abbreviated 510(k) pathway after a 204-day FDA review.

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Dec 2009
Decision
204d
Days
Class 2
Risk

K091457 is an FDA 510(k) clearance for the NEXSTIM EXIMIA NAVIGATED BRAIN STIMULATION SYSTEM. Classified as Stimulator, Electrical, Evoked Response (product code GWF), Class II - Special Controls.

Submitted by Nexstim OY (North Attleboro, US). The FDA issued a Cleared decision on December 8, 2009 after a review of 204 days - an extended review cycle.

This device falls under the Neurology FDA review panel, regulated under 21 CFR 882.1870 - the FDA neurology device framework. The Abbreviated 510(k) pathway was used, relying on FDA-recognized standards to demonstrate substantial equivalence.

Device pattern: Standards-based predicate clearance. Standards-verified equivalence. The Abbreviated pathway signals strong alignment with FDA-recognized performance standards - typically associated with lower review burden and faster clearance cycles.

View all Nexstim OY devices

FDA 510(k) Submission Details - K091457

510(k) Number K091457 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 18, 2009
Decision Date December 08, 2009
Days to Decision 204 days
Submission Type Abbreviated
Review Panel Neurology (NE)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
56d slower than avg
Panel avg: 148d · This submission: 204d
Pathway characteristics
Standards-based clearance path.

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 69
Devices cleared under the same product code (GWF) and FDA review panel - the closest regulatory comparables to K091457.
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