Cleared Traditional

K222870 - Transcutaneous Electrical Nerve Stimulator

K222870 is an FDA 510(k) clearance for Transcutaneous Electrical Nerve Stimulator, manufactured by Shenzhen Kentro Medical Electronics Co., Ltd.. The device is a Class 2 Neurology device with product code NUH cleared through the Traditional 510(k) pathway after a 230-day FDA review.

K222870 · Shenzhen Kentro Medical Electronics Co., Ltd. · Neurology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
May 2023
Decision
230d
Days
Class 2
Risk

K222870 is an FDA 510(k) clearance for the Transcutaneous Electrical Nerve Stimulator, Model: KTR-4031, KTR-4032, KTR-40.... Classified as Stimulator, Nerve, Transcutaneous, Over-the-counter (product code NUH), Class II - Special Controls.

Submitted by Shenzhen Kentro Medical Electronics Co., Ltd. (Shenzhen, CN). The FDA issued a Cleared decision on May 10, 2023 after a review of 230 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 Shenzhen Kentro Medical Electronics Co., Ltd. devices

FDA 510(k) Submission Details - K222870

510(k) Number K222870 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 22, 2022
Decision Date May 10, 2023
Days to Decision 230 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
82d slower than avg
Panel avg: 148d · This submission: 230d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

NUH Device Classification - Class 2, Special Controls

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 149
Devices cleared under the same product code (NUH) and FDA review panel - the closest regulatory comparables to K222870.
Nu-beca Transcutaneous Electrical Nerve Stimulation
K223151 · Nu-Beca & Maxcellent Co. · Jul 2023
TENS & EMS Device (LY-ET-01, LY-ET-02, LY-ET-04)
K230443 · Jiangxi Royall Smart Technology Co., Ltd. · May 2023
HEATING TENS/EMS, FT-810R
K223308 · Hivox Biotek, Inc. · May 2023
Tens & Ems Device
K223825 · Shenzhen Jian Feng Electronic Technology Co., Ltd. · May 2023
Electronic Stimulator (Models: uLumb-9530A, uLumb-9531A, uLumb-9532A, uLumb-9533A, LQ-9525B, uNeck-9512A, uNeck-9515A, uNeck-9517B, uNeck-9518A, uNeck-9519A, uNeck-9521A, uNeck-9529A, LQ-9535A)
K223428 · Shenzhen Leqing Medical Instrument Co., Ltd. · May 2023
TENS7000 Rechargeable (Model:TENS7000 Rechargeable)
K230829 · Chongqing Rob Linka Science and Technology Co., Ltd. · Apr 2023