Cleared Special

K100399 - 4 CHANNELS MULTIPLE MODEL DIGITAL ELECTRICAL STIMULATOR, MODEL NUVOSTIM IV, WL-2504A (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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Jun 2010
Decision
129d
Days
Class 2
Risk

K100399 is an FDA 510(k) clearance for the 4 CHANNELS MULTIPLE MODEL DIGITAL ELECTRICAL STIMULATOR, MODEL NUVOSTIM IV, W.... Classified as Stimulator, Nerve, Transcutaneous, For Pain Relief (product code GZJ), Class II - Special Controls.

Submitted by Well-Life Healthcare Limited (Yunghe City, Taipei County, TW). The FDA issued a Cleared decision on June 25, 2010 after a review of 129 days - within the typical 510(k) review window.

This device falls under the Neurology FDA review panel, regulated under 21 CFR 882.5890 - 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. Standard predicate reliance. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

View all Well-Life Healthcare Limited devices

Submission Details

510(k) Number K100399 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 16, 2010
Decision Date June 25, 2010
Days to Decision 129 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
19d faster than avg
Panel avg: 148d · This submission: 129d
Pathway characteristics
Modification to existing cleared device.

Device Classification

Product Code GZJ Stimulator, Nerve, Transcutaneous, For Pain Relief
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 882.5890
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 - GZJ Stimulator, Nerve, Transcutaneous, For Pain Relief

All 604
Devices cleared under the same product code (GZJ) and FDA review panel - the closest regulatory comparables to K100399.
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