Cleared Special

K250663 - Niti-S Duodenal Comfort Stent, Niti-S Colonic Comfort Stent

K250663 is an FDA 510(k) clearance for Niti-S Duodenal Comfort Stent, manufactured by Taewoong Medical Co., Ltd.. The device is a Class 2 Gastroenterology & Urology device with product code MUM cleared through the Special 510(k) pathway after a 26-day FDA review.

K250663 · Taewoong Medical Co., Ltd. · Gastroenterology & Urology device
Download Printable Device Report (PDF) Official FDA 510(k) Summary (PDF)
Optimized for regulatory review, auditing and printing
Mar 2025
Decision
26d
Days
Class 2
Risk

K250663 is an FDA 510(k) clearance for the Niti-S Duodenal Comfort Stent, Niti-S Colonic Comfort Stent. Classified as Stent, Metallic, Expandable, Duodenal (product code MUM), Class II - Special Controls.

Submitted by Taewoong Medical Co., Ltd. (Gyeonggi-Do, KR). The FDA issued a Cleared decision on March 31, 2025 after a review of 26 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.

FDA 510(k) Submission Details - K250663

510(k) Number K250663 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 05, 2025
Decision Date March 31, 2025
Days to Decision 26 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
105d faster than avg
Panel avg: 131d · This submission: 26d
Pathway characteristics
Modification to existing cleared device.

MUM Device Classification - Class 2, Special Controls

Product Code MUM Stent, Metallic, Expandable, Duodenal
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 Consultant

Biologics Consulting Group
Matthew Krueger

The regulatory consultant manages the 510(k) submission process on behalf of the applicant - coordinating technical documentation, predicate strategy and FDA communications. Identifying the consultant behind a submission is a key signal for competitive regulatory intelligence.

Regulatory Peers - MUM Stent, Metallic, Expandable, Duodenal

Devices cleared under the same product code (MUM) and FDA review panel - the closest regulatory comparables to K250663.
Niti-S Duodenal Stent
K223067 · Taewoong Medical Co., Ltd. · Jun 2023
Evolution Duodenal Stent System - Uncovered, Evolution Colonic Stent System - Uncovered
K163468 · Cook Ireland, Ltd. · May 2017
EVOLUTION DUODENAL STENT SYSTEM, MODEL EVO-22-27-6-D, EVO-22-27-9-D, EVP-22-27-12-D
K101530 · Cook Ireland, Ltd. · Mar 2011
WALLFLEX ENTERAL DUODENAL STENT WITH ANCHOR LOCK DELIVERY SYSTEM, MODELS M00565010, M00565020, M00565030
K062750 · Boston Scientific Corp · Dec 2006
WALLSTENT ENTERAL ENDOPROSTHESIS
K980113 · Boston Scientific Scimed, Inc. · Apr 1998
K250663 · Niti-S Duodenal Comfort Stent, Niti-S Colonic Comfort Stent
Download PDF FDA Summary Taewoong Medical Co.,…