Cleared Traditional

K843583 - FIRM-A-TRON MARK X

K843583 is an FDA 510(k) clearance for FIRM-A-TRON MARK X, manufactured by Biotron , Ltd.. The device is a Class 2 Physical Medicine device with product code IPF cleared through the Traditional 510(k) pathway after a 79-day FDA review.

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Nov 1984
Decision
79d
Days
Class 2
Risk

K843583 is an FDA 510(k) clearance for the FIRM-A-TRON MARK X. Classified as Stimulator, Muscle, Powered (product code IPF), Class II - Special Controls.

Submitted by Biotron , Ltd. (Solon, US). The FDA issued a Cleared decision on November 29, 1984 after a review of 79 days - a notably fast clearance 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: 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 Biotron , Ltd. devices

FDA 510(k) Submission Details - K843583

510(k) Number K843583 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 11, 1984
Decision Date November 29, 1984
Days to Decision 79 days
Submission Type Traditional
Review Panel Physical Medicine (PM)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
36d faster than avg
Panel avg: 115d · This submission: 79d
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 273
Devices cleared under the same product code (IPF) and FDA review panel - the closest regulatory comparables to K843583.
SYS STIM 206(MODEL-ME 206) MUSCLE STIMULATOR
K850013 · Mettler Electronics Corp. · Apr 1985
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THE PROBE 100
K844466 · Rich-Mar Corp. · Feb 1985
INTERFERENZ 4
K842803 · Robert Bosch Corp. · Aug 1984
DIADYN 4
K842804 · Robert Bosch Corp. · Aug 1984
NEUROMEDICS ULTRASTIM 650-01
K841647 · Intermedics, Inc. · Jul 1984