Cleared Traditional

K181669 - ConvertX Biliary Stent System (FDA 510(k) Clearance)

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

Mar 2019
Decision
262d
Days
Class 2
Risk

K181669 is an FDA 510(k) clearance for the ConvertX Biliary Stent System. Classified as Stents, Drains And Dilators For The Biliary Ducts (product code FGE), Class II - Special Controls.

Submitted by Brightwater Medical (Dunlap, US). The FDA issued a Cleared decision on March 14, 2019 after a review of 262 days - an extended review cycle.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 876.5010 - 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.

Submission Details

510(k) Number K181669 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 25, 2018
Decision Date March 14, 2019
Days to Decision 262 days
Submission Type Traditional
Review Panel Gastroenterology & Urology (GU)
Summary Summary PDF
Regulatory Context
Review time vs. panel average
106d slower than avg
Panel avg: 156d · This submission: 262d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code FGE Stents, Drains And Dilators For The Biliary Ducts
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 876.5010
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 - FGE Stents, Drains And Dilators For The Biliary Ducts

All 18
Devices cleared under the same product code (FGE) and FDA review panel - the closest regulatory comparables to K181669.
BARE Wireguided Balloon Dilation Catheter (1235)
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Niti-S Biliary Stent
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Disposable Balloon Catheter (B5-2Q)
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EndoFix™Tissue Fixation System
K251229 · Softac Medical Technologies · Aug 2025