Cleared Abbreviated

K050921 - EASYSTIM NMS-28 (FDA 510(k) Clearance)

Class II Physical Medicine device cleared through the Abbreviated 510(k) pathway - typically does not require clinical trials.

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Dec 2005
Decision
243d
Days
Class 2
Risk

K050921 is an FDA 510(k) clearance for the EASYSTIM NMS-28. Classified as Stimulator, Muscle, Powered (product code IPF), Class II - Special Controls.

Submitted by Easy Med Instrument Co., Ltd. (Guangdong, CN). The FDA issued a Cleared decision on December 12, 2005 after a review of 243 days - an extended review cycle.

This device falls under the Physical Medicine FDA review panel, regulated under 21 CFR 890.5850 - the FDA physical medicine device framework. The Abbreviated 510(k) pathway was used, relying on FDA-recognized standards to demonstrate substantial equivalence.

Device pattern: Standards-based predicate clearance. Standards-verified equivalence. The Abbreviated pathway signals strong alignment with FDA-recognized performance standards - typically associated with lower review burden and faster clearance cycles.

View all Easy Med Instrument Co., Ltd. devices

Submission Details

510(k) Number K050921 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 13, 2005
Decision Date December 12, 2005
Days to Decision 243 days
Submission Type Abbreviated
Review Panel Physical Medicine (PM)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
128d slower than avg
Panel avg: 115d · This submission: 243d
Pathway characteristics
Standards-based clearance path.

Device Classification

Product Code IPF Stimulator, Muscle, Powered
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 890.5850
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 - IPF Stimulator, Muscle, Powered

All 544
Devices cleared under the same product code (IPF) and FDA review panel - the closest regulatory comparables to K050921.
Compact II
K251083 · Enraf-Nonius, B.V. · Sep 2025
EVE Synergy (EVE-20M)
K241433 · Weero Co., Ltd. · Jun 2025
TrainFES Advance
K241488 · Trainfes · Feb 2025
Quantum Mitohormesis (QMT) (M2101)
K240348 · Quantumtx Pte. , Ltd. · Dec 2024
eMVFit (MVF-10M)
K240992 · Weero Co., Ltd. · Oct 2024
BTL-899MS
K240234 · BTL Industries, Inc. · Aug 2024