Cleared Traditional

K233492 - EMS Neck Massager (FDA 510(k) Clearance)

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

K233492 · Xiamen Comfier Technology Co., Ltd. · Neurology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Dec 2023
Decision
51d
Days
Class 2
Risk

K233492 is an FDA 510(k) clearance for the EMS Neck Massager. Classified as Stimulator, Muscle, Powered, For Muscle Conditioning (product code NGX), Class II - Special Controls.

Submitted by Xiamen Comfier Technology Co., Ltd. (Xiamen, CN). The FDA issued a Cleared decision on December 20, 2023 after a review of 51 days - a notably fast clearance cycle.

This device falls under the Neurology FDA review panel, regulated under 21 CFR 890.5850 - 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: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

View all Xiamen Comfier Technology Co., Ltd. devices

Submission Details

510(k) Number K233492 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 30, 2023
Decision Date December 20, 2023
Days to Decision 51 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary Statement
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
97d faster than avg
Panel avg: 148d · This submission: 51d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code NGX Stimulator, Muscle, Powered, For Muscle Conditioning
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 890.5850
Definition A Powered Muscle Stimulator For Muscle Conditioning Is A Device Used For Other Than Medical Purposes To Apply An Electrical Current To Electrodes On A Person's Skin To Temporarily Affect The Stimulated Muscle's Contractile Properties, Force Output, And/or Fatigue Resistance. Unlike The Classified Powered Muscle Stimulator Devices Intended For Use In Physical Medicine And Rehabilitation, This Device Is Not Intended For Use In Patients With Medical Conditions And Is Intended Only For Muscle Conditioning Purposes.
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 Consultant

Shenzhen Reanny Medical Devices Management Consulting Co., Ltd.
Reanny Wang

The regulatory consultant manages the 510(k) submission process on behalf of the applicant - coordinating technical documentation, predicate strategy and FDA communications. Identifying the consultant behind a submission is a key signal for competitive regulatory intelligence.

Regulatory Peers - NGX Stimulator, Muscle, Powered, For Muscle Conditioning

All 161
Devices cleared under the same product code (NGX) and FDA review panel - the closest regulatory comparables to K233492.
Diacore
K253926 · ShenB Co., Ltd. · Apr 2026
Zionic Pro Max (EMS)
K253636 · Termosalud S.L. · Mar 2026
CoolTone
K253408 · Zimmer Medizinsysteme GmbH · Jan 2026
Portable Electro Stimulation Therapy Device (LGT-2320BE, LGT-2320ME, and LGT-2320SP)
K252154 · Guangzhou Longest Medical Technology Co., Ltd. · Dec 2025
Motive™ Muscle Stimulator for Lower Back (OT01-1003)
K253478 · Motive Health, Inc. · Nov 2025
truFlex
K251594 · Syrma Johari Medtech Limited · Aug 2025