Cleared Traditional

K841427 - ACCU-O-MATIC

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

K841427 · Myomed, Inc. · Neurology device
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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

FDA 510(k) Submission Details - K841427

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.

GZJ Device Classification - Class 2, Special Controls

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 292
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