Cleared Special

ULTRAFLEX ESOPHAGEAL STENT SYSTEM, ULTRAFLEX DIAMONDBILIARY STENT SYSTEM, ULTRAFLEX TRACHEOBRONCHIAL STENT SYSTEM (K012883) - FDA 510(k) Clearance

Class II Gastroenterology & Urology device cleared through the Special 510(k) pathway - typically does not require clinical trials.

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Optimized for regulatory review, auditing and printing
Oct 2001
Decision
45d
Days
Class 2
Risk

K012883 is an FDA 510(k) clearance for the ULTRAFLEX ESOPHAGEAL STENT SYSTEM, ULTRAFLEX DIAMONDBILIARY STENT SYSTEM, ULT.... Classified as Prosthesis, Esophageal (product code ESW), Class II - Special Controls.

Submitted by Boston Scientific Corp (Natick,, US). The FDA issued a Cleared decision on October 12, 2001 after a review of 45 days - a notably fast clearance cycle.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 878.3610 - the FDA gastroenterology and urology device framework. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.

Device pattern: Iterative device modification. Low regulatory complexity profile. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

View all Boston Scientific Corp devices

Submission Details

510(k) Number K012883 FDA.gov
FDA Decision Cleared Substantially Equivalent - Abbreviated 510(k) (SESU)
Date Received August 28, 2001
Decision Date October 12, 2001
Days to Decision 45 days
Submission Type Special
Review Panel Gastroenterology & Urology (GU)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
85d faster than avg
Panel avg: 130d · This submission: 45d
Pathway characteristics
Modification to existing cleared device.

Device Classification

Product Code ESW Prosthesis, Esophageal
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 878.3610
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 - ESW Prosthesis, Esophageal

All 58
Devices cleared under the same product code (ESW) and FDA review panel - the closest regulatory comparables to K012883.
Niti-S Esophageal Stent
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Resilience Fully Covered Esophageal Stent System
K251265 · Merit Medical Systems, Inc. · Jul 2025
Ultraflex Esophageal NG Stent System
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Agile Esophageal Stent System
K233837 · Boston Scientific Corporation · Apr 2024
Esophageal TTS Stent
K240522 · Taewoong Medical · Mar 2024