Cleared Special

K243495 - Natus Ultrapro S100 (982A0594) (FDA 510(k) Clearance)

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

K243495 · Natus Neurology Incorporated · Neurology device
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Dec 2024
Decision
30d
Days
Class 2
Risk

K243495 is an FDA 510(k) clearance for the Natus Ultrapro S100 (982A0594). Classified as Stimulator, Electrical, Evoked Response (product code GWF), Class II - Special Controls.

Submitted by Natus Neurology Incorporated (Middleton, US). The FDA issued a Cleared decision on December 12, 2024 after a review of 30 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 Natus Neurology Incorporated devices

Submission Details

510(k) Number K243495 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 12, 2024
Decision Date December 12, 2024
Days to Decision 30 days
Submission Type Special
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
118d faster than avg
Panel avg: 148d · This submission: 30d
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 138
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