Cleared Traditional

K923934 - TX-3 SD

K923934 is an FDA 510(k) clearance for TX-3 SD, manufactured by Skylark Device Co., Ltd.. The device is a Class 2 Neurology device with product code GZJ cleared through the Traditional 510(k) pathway after a 79-day FDA review.

K923934 · Skylark Device Co., Ltd. · Neurology device
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Oct 1992
Decision
79d
Days
Class 2
Risk

K923934 is an FDA 510(k) clearance for the TX-3 SD. Classified as Stimulator, Nerve, Transcutaneous, For Pain Relief (product code GZJ), Class II - Special Controls.

Submitted by Skylark Device Co., Ltd. (Taipei, Taiwan, R.O.C., TW). The FDA issued a Cleared decision on October 23, 1992 after a review of 79 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 Skylark Device Co., Ltd. devices

FDA 510(k) Submission Details - K923934

510(k) Number K923934 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 05, 1992
Decision Date October 23, 1992
Days to Decision 79 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary Statement
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
70d faster than avg
Panel avg: 149d · This submission: 79d
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 378
Devices cleared under the same product code (GZJ) and FDA review panel - the closest regulatory comparables to K923934.
MODEL 19 STIMULATOR, NERVE, TRANSCUTANEOUS
K925898 · Staodyne, Inc. · Jan 1993
SD-602 SD MODE 11, SD-603 SD MOD 111
K925729 · Skylark Device Co., Ltd. · Jan 1993
MICRO MODE-TRANS ELECTRICAL NEURAL STIMULATOR
K924545 · Mod Mode Medical · Dec 1992
SD-605 SD II PROGRAM
K923935 · Skylark Device Co., Ltd. · Oct 1992
INTELECT 600MP
K920260 · Chattanooga Group, Inc. · Oct 1992
PAIN-EEZ
K922690 · International Center For Nutritional Research · Oct 1992