Cleared Traditional

EPIX XL TENS UNIT (K951903) - FDA 510(k) Clearance

Class II Neurology device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

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Optimized for regulatory review, auditing and printing
Mar 1996
Decision
331d
Days
Class 2
Risk

K951903 is an FDA 510(k) clearance for the EPIX XL TENS UNIT. Classified as Stimulator, Nerve, Transcutaneous, For Pain Relief (product code GZJ), Class II - Special Controls.

Submitted by Empi (Arden Hills, US). The FDA issued a Cleared decision on March 20, 1996 after a review of 331 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Neurology FDA review panel, regulated under 21 CFR 882.5890 - 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: Standard predicate-based submission. Elevated predicate reliance profile. This clearance follows a standard predicate-based equivalence path within the Neurology review framework, consistent with the majority of Class II 510(k) submissions.

View all Empi devices

Submission Details

510(k) Number K951903 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 24, 1995
Decision Date March 20, 1996
Days to Decision 331 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
183d slower than avg
Panel avg: 148d · This submission: 331d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

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 605
Devices cleared under the same product code (GZJ) and FDA review panel - the closest regulatory comparables to K951903.
STIMPOD NMS460 Nerve Stimulator
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actiTENS mini
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K241228 · Zynex Medical Officer · Aug 2024
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K233046 · Oriental Inspiration Limited · Apr 2024