Cleared Traditional

K933814 - PHOTOSTRESS RECOVERY TESTER

K933814 is an FDA 510(k) clearance for PHOTOSTRESS RECOVERY TESTER, manufactured by Storz Instrument Co.. The device is a Class 2 Neurology device with product code GXY cleared through the Traditional 510(k) pathway after a 126-day FDA review.

K933814 · Storz Instrument Co. · Neurology device
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Dec 1993
Decision
126d
Days
Class 2
Risk

K933814 is an FDA 510(k) clearance for the PHOTOSTRESS RECOVERY TESTER. Classified as Electrode, Cutaneous (product code GXY), Class II - Special Controls.

Submitted by Storz Instrument Co. (St. Louis, US). The FDA issued a Cleared decision on December 8, 1993 after a review of 126 days - within the typical 510(k) review window.

This device falls under the Neurology FDA review panel, regulated under 21 CFR 882.1320 - 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. Standard predicate reliance. 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 Storz Instrument Co. devices

FDA 510(k) Submission Details - K933814

510(k) Number K933814 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 04, 1993
Decision Date December 08, 1993
Days to Decision 126 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
22d faster than avg
Panel avg: 148d · This submission: 126d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

GXY Device Classification - Class 2, Special Controls

Product Code GXY Electrode, Cutaneous
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 882.1320
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 - GXY Electrode, Cutaneous

All 152
Devices cleared under the same product code (GXY) and FDA review panel - the closest regulatory comparables to K933814.
DISPOSABLE TAB ELECTRODE
K933803 · Cadwell Laboratories, Inc. · Jul 1994
CONMED VERSA-STIM NEUROMUSCULAR STIMULATION ELECTRODE
K936101 · Conmedcorp · Jun 1994
CONMED VERSA-STIM INTERFERENTIAL ELECTRODE
K940704 · Conmedcorp · Jun 1994
MONOTRODE CUTANEOUS ELECTRODE
K915864 · Henley Intl. · Jul 1993
VERSA-STIM ELECTRODE LINE MODIFIED
K911069 · Conmedcorp · Jul 1991
TBD TENS REUSABLE ELECTRODE
K902195 · Empi · Jun 1990