Cleared Traditional

K991903 - EXCEL PHOTIC STIMULATOR, MODEL (XLPS-1)

K991903 is an FDA 510(k) clearance for EXCEL PHOTIC STIMULATOR, manufactured by Excel Tech. , Ltd.. The device is a Class 2 Neurology device with product code GWE cleared through the Traditional 510(k) pathway after a 61-day FDA review.

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Aug 1999
Decision
61d
Days
Class 2
Risk

K991903 is an FDA 510(k) clearance for the EXCEL PHOTIC STIMULATOR, MODEL (XLPS-1). Classified as Stimulator, Photic, Evoked Response (product code GWE), Class II - Special Controls.

Submitted by Excel Tech. , Ltd. (Oakville,Ontario, CA). The FDA issued a Cleared decision on August 4, 1999 after a review of 61 days - a notably fast clearance cycle.

This device falls under the Neurology FDA review panel, regulated under 21 CFR 882.1890 - 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.

FDA 510(k) Submission Details - K991903

510(k) Number K991903 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 04, 1999
Decision Date August 04, 1999
Days to Decision 61 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
88d faster than avg
Panel avg: 149d · This submission: 61d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

GWE Device Classification - Class 2, Special Controls

Product Code GWE Stimulator, Photic, Evoked Response
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 882.1890
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 - GWE Stimulator, Photic, Evoked Response

All 48
Devices cleared under the same product code (GWE) and FDA review panel - the closest regulatory comparables to K991903.
ACCUMAP AUTOMATIC PERIMETER
K022304 · Objectivision Pty , Ltd. · Nov 2003
XLTEK LED GOGGLES, MODEL LED-01
K011794 · Excel Tech. , Ltd. · Oct 2001
DA VINCHI EMG/EP ISA1004EP
K001467 · Airsep Corp. · Aug 2000
KILOWIN
K971214 · Cadwell Laboratories, Inc. · Jun 1998
TOMEY PE-400 PORTABLE ERG & VEP WITH OPTIONAL PS-4
K932571 · Tomey Corporation USA · Aug 1995
ADVANTAGE EP
K903734 · Clark Davis Medical Systems, Inc. · Jul 1991