Cleared Traditional

K881470 - SOKEN PLUS(TM) ELECTRONIC MUSCLE STIMULATOR (FDA 510(k) Clearance)

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

K881470 · Rehab Medical Specialties, Inc. · Physical Medicine device
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Mar 1989
Decision
337d
Days
Class 2
Risk

K881470 is an FDA 510(k) clearance for the SOKEN PLUS(TM) ELECTRONIC MUSCLE STIMULATOR. Classified as Stimulator, Muscle, Powered (product code IPF), Class II - Special Controls.

Submitted by Rehab Medical Specialties, Inc. (Garland, US). The FDA issued a Cleared decision on March 10, 1989 after a review of 337 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 Rehab Medical Specialties, Inc. devices

Submission Details

510(k) Number K881470 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 07, 1988
Decision Date March 10, 1989
Days to Decision 337 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
222d slower than avg
Panel avg: 115d · This submission: 337d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

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

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