Cleared Traditional

K024100 - IF SERIES TRUE SINE INTERFERENTIAL STIMULATOR/MODEL: WL-2206, WELL IF, LIFE IF AND THE CUSTOMER PRIVATE BRAND

K024100 is an FDA 510(k) clearance for IF SERIES TRUE SINE INTERFERENTIAL STIM..., manufactured by Theratech, Inc.. The device is a Class 2 Neurology device with product code LIH cleared through the Traditional 510(k) pathway after a 75-day FDA review.

K024100 · Theratech, Inc. · Neurology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Feb 2003
Decision
75d
Days
Class 2
Risk

K024100 is an FDA 510(k) clearance for the IF SERIES TRUE SINE INTERFERENTIAL STIMULATOR/MODEL: WL-2206, WELL IF, LIFE I.... Classified as Interferential Current Therapy (product code LIH), Class II - Special Controls.

Submitted by Theratech, Inc. (Taichung, TW). The FDA issued a Cleared decision on February 25, 2003 after a review of 75 days - a notably fast clearance 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: 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 Theratech, Inc. devices

FDA 510(k) Submission Details - K024100

510(k) Number K024100 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 12, 2002
Decision Date February 25, 2003
Days to Decision 75 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
73d faster than avg
Panel avg: 148d · This submission: 75d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

LIH Device Classification - Class 2, Special Controls

Product Code LIH Interferential Current Therapy
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 882.5890
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 - LIH Interferential Current Therapy

All 39
Devices cleared under the same product code (LIH) and FDA review panel - the closest regulatory comparables to K024100.
INFINITY ELECTROTHERAPY SYSTEM
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K040824 · Biomedical Life Systems, Inc. · Apr 2004
DYNATRON STS
K010565 · Dynatronics Corp. · May 2001
DYNATRON STS RX
K010948 · Dynatronics Corp. · May 2001
MULTI INTERFERENTIAL STIMULATOR, MODEL TR-841
K993600 · Nisha Communication Industries · Feb 2001