Cleared Traditional

K041920 - INFINITY PLUS ELECTROTHERAPY SYSTEM

K041920 is an FDA 510(k) clearance for INFINITY PLUS ELECTROTHERAPY SYSTEM, manufactured by Empi. The device is a Class 2 Physical Medicine device with product code IPF cleared through the Traditional 510(k) pathway after a 189-day FDA review.

K041920 · Empi · Physical Medicine device
Download Printable Device Report (PDF) Official FDA 510(k) Summary (PDF)
Optimized for regulatory review, auditing and printing
Jan 2005
Decision
189d
Days
Class 2
Risk

K041920 is an FDA 510(k) clearance for the INFINITY PLUS ELECTROTHERAPY SYSTEM. Classified as Stimulator, Muscle, Powered (product code IPF), Class II - Special Controls.

Submitted by Empi (North Attleboro, US). The FDA issued a Cleared decision on January 21, 2005 after a review of 189 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 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 Physical Medicine review framework, consistent with the majority of Class II 510(k) submissions.

FDA 510(k) Submission Details - K041920

510(k) Number K041920 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 16, 2004
Decision Date January 21, 2005
Days to Decision 189 days
Submission Type Traditional
Review Panel Physical Medicine (PM)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
73d slower than avg
Panel avg: 116d · This submission: 189d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

IPF Device Classification - Class 2, Special Controls

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 505
Devices cleared under the same product code (IPF) and FDA review panel - the closest regulatory comparables to K041920.
NEUROTECH KNEEHAB
K024258 · Bio-Medical Research, Ltd. · Mar 2005
DIAMOND MEDISTIM
K041390 · Diamond Systems USA, Inc. · Feb 2005
BIOMOVE 3000
K042650 · Curatronic, Ltd. · Jan 2005
SMARTWAVE MS 2000
K041063 · Newwave Medical, LLC · Dec 2004
SDS-4I
K034005 · Skylark Device & Systems Co., Ltd. · Nov 2004
PMD-2000 INTERFERENTIAL STIMULATOR
K042881 · Phoenix Medical Devices, LLC · Nov 2004
K041920 · INFINITY PLUS ELECTROTHERAPY SYSTEM
Download PDF FDA Summary Empi