Cleared Traditional

K940594 - KARL STORZ ADULT & PEDIATRIC NEPHROSCOPE (FDA 510(k) Clearance)

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

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Sep 1994
Decision
212d
Days
Class 2
Risk

K940594 is an FDA 510(k) clearance for the KARL STORZ ADULT & PEDIATRIC NEPHROSCOPE. Classified as Kit, Nephroscope (product code FGA), Class II - Special Controls.

Submitted by KARL STORZ Endoscopy-America, Inc. (Washington, D.C., US). The FDA issued a Cleared decision on September 9, 1994 after a review of 212 days - an extended review 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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Gastroenterology & Urology review framework, consistent with the majority of Class II 510(k) submissions.

View all KARL STORZ Endoscopy-America, Inc. devices

Submission Details

510(k) Number K940594 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 09, 1994
Decision Date September 09, 1994
Days to Decision 212 days
Submission Type Traditional
Review Panel Gastroenterology & Urology (GU)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
82d slower than avg
Panel avg: 130d · This submission: 212d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code FGA Kit, Nephroscope
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.