Cleared Traditional

K914029 - ESOPHAGEAL Z-STENT (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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Dec 1991
Decision
90d
Days
Class 2
Risk

K914029 is an FDA 510(k) clearance for the ESOPHAGEAL Z-STENT. Classified as Prosthesis, Esophageal (product code ESW), Class II - Special Controls.

Submitted by Cook, Inc. (Bloomington, US). The FDA issued a Cleared decision on December 9, 1991 after a review of 90 days - within the typical 510(k) review window.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 878.3610 - 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 Cook, Inc. devices

Submission Details

510(k) Number K914029 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 10, 1991
Decision Date December 09, 1991
Days to Decision 90 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
40d faster than avg
Panel avg: 130d · This submission: 90d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

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 K914029.
Niti-S Esophageal Stent
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HANAROSTENT Esophagus Upper (CCC)
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Resilience Fully Covered Esophageal Stent System
K251265 · Merit Medical Systems, Inc. · Jul 2025
Ultraflex Esophageal NG Stent System
K233939 · Boston Scientific · Apr 2024
Agile Esophageal Stent System
K233837 · Boston Scientific Corporation · Apr 2024
Esophageal TTS Stent
K240522 · Taewoong Medical · Mar 2024