Cleared Traditional

K220524 - Well-Life Mini TENS Stimulator(WL-23XXC/WL-23XXE Series) (FDA 510(k) Clearance)

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

K220524 · Well-Life Healthcare Limited · Neurology device
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Aug 2022
Decision
162d
Days
Class 2
Risk

K220524 is an FDA 510(k) clearance for the Well-Life Mini TENS Stimulator(WL-23XXC/WL-23XXE Series). Classified as Stimulator, Nerve, Transcutaneous, Over-the-counter (product code NUH), Class II - Special Controls.

Submitted by Well-Life Healthcare Limited (New Taipei City, TW). The FDA issued a Cleared decision on August 4, 2022 after a review of 162 days - an extended review cycle.

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. Standard predicate reliance. 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 Well-Life Healthcare Limited devices

Submission Details

510(k) Number K220524 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 23, 2022
Decision Date August 04, 2022
Days to Decision 162 days
Submission Type Traditional
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
14d slower than avg
Panel avg: 148d · This submission: 162d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code NUH Stimulator, Nerve, Transcutaneous, Over-the-counter
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 882.5890
Definition Temporary Relief Of Pain Due To Sore/aching Muscles
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 - NUH Stimulator, Nerve, Transcutaneous, Over-the-counter

All 226
Devices cleared under the same product code (NUH) and FDA review panel - the closest regulatory comparables to K220524.
TENS/EMS device (GUSE01)
K253896 · Globalcare Medical Technology Co., Ltd. · Mar 2026
TENS AND EMS (TENS and Muscle Stimulator) (JT1065, JT1080, JT2080, JT9034)
K253305 · Shenzhen Jiantuo Electronics Co., Ltd. · Dec 2025
VEINOPLUS Back
K251958 · Dynapulse Medical · Dec 2025
TENS&EMS (HZ9151B, HZ9151C, HZ9151D)
K253740 · Hong Qiangxing (Shenzhen) Electronics Limited · Dec 2025
Transcutaneous Electrical Nerve Stimulator (RJTENS-2)
K252688 · Bozhou Rongjian Medical Appliance Co., Ltd. · Nov 2025
Li-Battery Powered OTC TENS/EMS Combination Stimulator, Model Z4
K251856 · Everyway Medical Instruments Co.,Ltd · Nov 2025