Cleared Traditional

COOL LIGHT 300 (K935423) - FDA 510(k) Clearance

Class II Gastroenterology & Urology device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K935423 · Endosurgical Development Corp. · Gastroenterology & Urology device
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Jan 1994
Decision
78d
Days
Class 2
Risk

K935423 is an FDA 510(k) clearance for the COOL LIGHT 300. Classified as Light Source, Endoscope, Xenon Arc (product code GCT), Class II - Special Controls.

Submitted by Endosurgical Development Corp. (Lomita, US). The FDA issued a Cleared decision on January 26, 1994 after a review of 78 days - a notably fast clearance cycle.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 876.1500 - the FDA gastroenterology and urology 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 Endosurgical Development Corp. devices

Submission Details

510(k) Number K935423 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 09, 1993
Decision Date January 26, 1994
Days to Decision 78 days
Submission Type Traditional
Review Panel Gastroenterology & Urology (GU)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
52d faster than avg
Panel avg: 130d · This submission: 78d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code GCT Light Source, Endoscope, Xenon Arc
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 876.1500
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 Gastroenterology & Urology devices follow this clearance model.