Cleared Traditional

K841427 - ACCU-O-MATIC

K841427 is the FDA 510(k) clearance for ACCU-O-MATIC by Myomed, Inc.. It is a Class 2 Neurology device (product code GZJ) cleared through the Traditional 510(k) pathway after a 333-day FDA review.

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Mar 1985
Decision
333d
Days
Class 2
Risk

K841427 is an FDA 510(k) clearance for the ACCU-O-MATIC. Classified as Stimulator, Nerve, Transcutaneous, For Pain Relief (product code GZJ), Class II - Special Controls.

Submitted by Myomed, Inc. (Walker, US). The FDA issued a Cleared decision on March 5, 1985 after a review of 333 days - an unusually long review period, suggesting complex equivalence evaluation.

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: Standard predicate-based submission. Elevated predicate reliance profile. This clearance follows a standard predicate-based equivalence path within the Neurology review framework, consistent with the majority of Class II 510(k) submissions.

View all Myomed, Inc. devices

Submission Details

510(k) Number K841427 FDA.gov
FDA Decision Cleared Substantially Equivalent - Product Development Protocol (SESP)
Date Received April 06, 1984
Decision Date March 05, 1985
Days to Decision 333 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
185d slower than avg
Panel avg: 148d · This submission: 333d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code GZJ Stimulator, Nerve, Transcutaneous, For Pain Relief
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 - GZJ Stimulator, Nerve, Transcutaneous, For Pain Relief

All 137
Devices cleared under the same product code (GZJ) and FDA review panel - the closest regulatory comparables to K841427.
TENSMED II
K851063 · Intermedics, Inc. · Jun 1985
ELECTRO-NERVE STIMULATOR DISCO B9 TENS
K851191 · Biomedical Life Systems, Inc. · May 1985
ELECTRO-NERVE STIMULATOR B4/B400
K851185 · Biomedical Life Systems, Inc. · May 1985
INTERCEPTOR, 662-01
K844279 · Intermedics, Inc. · Jan 1985
ELECTRO-NERVE STIMULATOR B5/SK700B
K844076 · Biomedical Life Systems, Inc. · Jan 1985
STIMTECH SD CLINICIAN 6090 #78-8055
K844212 · Codman & Shurtleff, Inc. · Jan 1985