Cleared Traditional

CHOLEDOCHOSCOPE/ENDOSCOPE MODIFICATION (K933906) - FDA 510(k) Clearance

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

K933906 · Fujinon, Inc. · Gastroenterology & Urology device
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Jul 1994
Decision
331d
Days
Class 2
Risk

K933906 is an FDA 510(k) clearance for the CHOLEDOCHOSCOPE/ENDOSCOPE MODIFICATION. Classified as Choledochoscope And Accessories, Flexible/rigid (product code FBN), Class II - Special Controls.

Submitted by Fujinon, Inc. (New York, US). The FDA issued a Cleared decision on July 8, 1994 after a review of 331 days - an unusually long review period, suggesting complex equivalence evaluation.

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. Elevated predicate reliance profile. 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 Fujinon, Inc. devices

Submission Details

510(k) Number K933906 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 11, 1993
Decision Date July 08, 1994
Days to Decision 331 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
201d slower than avg
Panel avg: 130d · This submission: 331d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code FBN Choledochoscope And Accessories, Flexible/rigid
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 876.1500
Definition To Examine And Perform Procedures Within The Bile Ducts. For Reusable, Flexible Endoscopes In This Product Code, Validated Reprocessing Instructions And Reprocessing Validation Data Must Be Included In A 510(k) Submission (82 Fr 26807, Available At Https://www.gpo.gov/fdsys/pkg/fr-2017-06-09/pdf/2017-12007.pdf).
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.

Regulatory Peers - FBN Choledochoscope And Accessories, Flexible/rigid

All 19
Devices cleared under the same product code (FBN) and FDA review panel - the closest regulatory comparables to K933906.
SpyGlass DS Direct Visualization System
K142922 · Boston Scientific Corporation · Jan 2015
MVM 7.5 FRENCH FLEXIBLE CHOLEDOCHOSCOPE
K972926 · KARL STORZ Endoscopy-America, Inc. · Oct 1997
KSEA 15.5 FR. FLEXIBLE CHOLEDOCHO-FIBERSCOPE
K971977 · KARL STORZ Endoscopy-America, Inc. · Aug 1997
11274 AC FLEXINBLE CHOLEDOCHOSCOPE
K931382 · KARL STORZ Endoscopy-America, Inc. · Jun 1993