Cleared Traditional

K121719 - SM TENS & PMS (FDA 510(k) Clearance)

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

K121719 · Hong Qiangxing (Shenzhen) Electronics Limited · Physical Medicine device
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May 2013
Decision
333d
Days
Class 2
Risk

K121719 is an FDA 510(k) clearance for the SM TENS & PMS. Classified as Stimulator, Muscle, Powered, For Muscle Conditioning (product code NGX), Class II - Special Controls.

Submitted by Hong Qiangxing (Shenzhen) Electronics Limited (Shanghai, CN). The FDA issued a Cleared decision on May 10, 2013 after a review of 333 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Physical Medicine FDA review panel, regulated under 21 CFR 890.5850 - the FDA physical medicine 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 Physical Medicine review framework, consistent with the majority of Class II 510(k) submissions.

View all Hong Qiangxing (Shenzhen) Electronics Limited devices

Submission Details

510(k) Number K121719 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 11, 2012
Decision Date May 10, 2013
Days to Decision 333 days
Submission Type Traditional
Review Panel Physical Medicine (PM)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
218d slower than avg
Panel avg: 115d · This submission: 333d
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 Physical Medicine devices follow this clearance model.

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 K121719.
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