Cleared Traditional

K931424 - MAXIMA I

K931424 is an FDA 510(k) clearance for MAXIMA I, manufactured by Staodyne, Inc.. The device is a Class 2 Neurology device with product code GZJ cleared through the Traditional 510(k) pathway after a 74-day FDA review.

K931424 · Staodyne, Inc. · Neurology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jun 1993
Decision
74d
Days
Class 2
Risk

K931424 is an FDA 510(k) clearance for the MAXIMA I. Classified as Stimulator, Nerve, Transcutaneous, For Pain Relief (product code GZJ), Class II - Special Controls.

Submitted by Staodyne, Inc. (Longmont, US). The FDA issued a Cleared decision on June 4, 1993 after a review of 74 days - a notably fast clearance cycle.

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: 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 Staodyne, Inc. devices

FDA 510(k) Submission Details - K931424

510(k) Number K931424 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 22, 1993
Decision Date June 04, 1993
Days to Decision 74 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
74d faster than avg
Panel avg: 148d · This submission: 74d
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 280
Devices cleared under the same product code (GZJ) and FDA review panel - the closest regulatory comparables to K931424.
THERAPEUTIC ULTRASOUND AND STIMULATOR
K935324 · Chattanooga Group, Inc. · May 1994
HOME MICROCURRENT HMC
K935132 · Medical Devices, Inc. · Mar 1994
FLEXMATE
K934619 · Medical Devices, Inc. · Feb 1994
K-STIM CLEAR
K922202 · Katecho, Inc. · May 1993
THERA PULSE A ELECTRO NERVE STIMULATOR
K925686 · Biomedical Life Systems, Inc. · Mar 1993
SD-602 SD MODE 11, SD-603 SD MOD 111
K925729 · Skylark Device Co., Ltd. · Jan 1993