510(k) · Decided
DecidedNiti-S Biliary Stent
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Taewoong Medical Co., Ltd. · FGE Stents, Drains And Dilators For The Biliary Ducts
Cleared on Nov 19, 2008 as substantially equivalent to K040930 (Wilson-Cook Medical, Inc., 2004) and 2 other predicates after a 329-day review. Its family tree reaches back 7 generations to 1992. 23 later devices descend from it.
- Decided
- Nov 19, 2008
- Review
- 329 days
- Class
- Class II
- Product code
- FGE
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 7 generations to K923119 (1992). 23 ancestors in all, the oldest K911292 (1991). 23 later devices descend from it, 6 citing it directly.
- Root · 7 generations backK923119 Wallstent Esophageal ProthesisSchneider U.S. Stent Div. · 1992
- 6 generations backK945494 Wallstent (R) Tracheobronchial EndoprosthesisBoston Scientific Scimed, Inc. · 1995 · Recalled
- 5 generations backK961296 Wallstent Tracheobronchial EndoprosthesisBoston Scientific Scimed, Inc. · 1996 · Recalled
- 4 generations backK964121 Wallstent Tracheobronchial EndoprosthesisBoston Scientific Scimed, Inc. · 1996 · Recalled
- 3 generations backK980163 Wallstent Tracheobronchial Endoprosthesis and Wallstent…Boston Scientific Scimed, Inc. · 1998 · Recalled
- 2 generations backK982184 Wallstent EndoprosthesisBoston Scientific Scimed, Inc. · 1998
- 1 generation backK012752 Wallstent RX Biliary Endoprostheses, Models 6961-6972 InclusiveBoston Scientific Corp · 2001 · Recalled
- This deviceK073667 Niti-S Biliary StentTaewoong Medical Co., Ltd. · 2008
- Descendant · cites it directly · 10 of its ownK113551 Esophageal TTS StentTaewoong Medical Co., Ltd. · 2012 · Recalled
- Descendant · 2 generations on · 9 of its ownK123205 Esophageal TTS StentTaewoong Medical Co., Ltd. · 2013 · Recalled
- Descendant · cites it directly · 6 of its ownK111149 Hanarostent Biliary (NNN)M.I.Tech Co., Ltd. · 2011
- Descendant · 2 generations on · 3 of its ownK211706 Esophageal TTS StentTaewoong Medical Co., Ltd. · 2021
- Descendant · 3 generations on · 3 of its ownK180144 Agile Esophageal Stent SystemBoston Scientific Corporation · 2018
Showing 5 of 23 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 23 · See all- K113551Esophageal TTS StentTaewoong Medical Co., Ltd. · 2012 · cites it directly10descendants
- K123205Esophageal TTS StentTaewoong Medical Co., Ltd. · 2013 · 2 generations on9descendants
- K111149Hanarostent Biliary (NNN)M.I.Tech Co., Ltd. · 2011 · cites it directly6descendants
- K211706Esophageal TTS StentTaewoong Medical Co., Ltd. · 2021 · 2 generations on3descendants
- K180144Agile Esophageal Stent SystemBoston Scientific Corporation · 2018 · 3 generations on3descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −7 | K923119 | Wallstent Esophageal Prothesis | Schneider U.S. Stent Div. | 1992 | — |
| −6 | K945494 | Wallstent (R) Tracheobronchial Endoprosthesis | Boston Scientific Scimed, Inc. | 1995 | 1 |
| −5 | K961296 | Wallstent Tracheobronchial Endoprosthesis | Boston Scientific Scimed, Inc. | 1996 | 1 |
| −4 | K964121 | Wallstent Tracheobronchial Endoprosthesis | Boston Scientific Scimed, Inc. | 1996 | 1 |
| −3 | K980163 | Wallstent Tracheobronchial Endoprosthesis and Wallstent Tracheobronchial… | Boston Scientific Scimed, Inc. | 1998 | 1 |
| −2 | K982184 | Wallstent Endoprosthesis | Boston Scientific Scimed, Inc. | 1998 | — |
| −1 | K012752 | Wallstent RX Biliary Endoprostheses, Models 6961-6972 Inclusive | Boston Scientific Corp | 2001 | 1 |
| 0 (this device) | K073667 | Niti-S Biliary Stent | Taewoong Medical Co., Ltd. | 2008 | — |
| +1 | K113551 | Esophageal TTS Stent | Taewoong Medical Co., Ltd. | 2012 | 1 |
| +2 | K123205 | Esophageal TTS Stent | Taewoong Medical Co., Ltd. | 2013 | 1 |
| +1 | K111149 | Hanarostent Biliary (NNN) | M.I.Tech Co., Ltd. | 2011 | — |
| +2 | K211706 | Esophageal TTS Stent | Taewoong Medical Co., Ltd. | 2021 | — |
| +3 | K180144 | Agile Esophageal Stent System | Boston Scientific Corporation | 2018 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1991 | 2 | 0 |
| 1994 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 2 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 2 | 0 |
| 2021 | 3 | 0 |
| 2022 | 2 | 0 |
| 2023 | 2 | 0 |
| 2024 | 2 | 0 |
| 2025 | 3 | 0 |
| 2026 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in FGE? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
Top candidate predicates for a new FGE device
- #1 K240464 WallFlex Biliary RX Stent System; Epic Biliary…score 14.5 · 13 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (3)
Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K040930 | Zilver Biliary Stent System UswSummary page 1…Product Code: FGE Third Party Reviewed: NO 3. Predicate Device: 1) Zilver Biliary Stent System USW, K040930 2) Wallstent RX Biliary Endoprostheses, K012752 3) Niti-S Stent & Introducer, Model Esophageal, K041 648 4… | 2004 |
| * | K012752 | Wallstent RX Biliary Endoprostheses, Models 6961-6972 InclusiveSummary page 1…rd Party Reviewed: NO 3. Predicate Device: 1) Zilver Biliary Stent System USW, K040930 2) Wallstent RX Biliary Endoprostheses, K012752 3) Niti-S Stent & Introducer, Model Esophageal, K041 648 4. Description: The proposed Niti-S Biliar… | 2001 |
| * | K041648 | Niti-S Stent & Introducer, Model EoxxxxSummary page 1…1) Zilver Biliary Stent System USW, K040930 2) Wallstent RX Biliary Endoprostheses, K012752 3) Niti-S Stent & Introducer, Model Esophageal, K041 648 4. Description: The proposed Niti-S Biliary Stent consists of an implantable metallic stent and a flexible… | 2005 |
What descends from it? (23)
See all 236 later devices cite it directly; ranked here by how many devices descend from each in turn.
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 16 years and passes through 4 companies; a new generation was cleared every 1.4 years on median.
- 8 of the 23 ancestors have a recall of any class.
- Of its descendants, K113551 (Taewoong Medical Co., Ltd., 2012) has gone furthest, with 10 descendants of its own.
How does its category compare?
All FGE devicesFGE Stents, Drains And Dilators For The Biliary Ducts: FDA decisions, review times, recalls and adverse event reports over 20 years. 2008, this device’s year, is highlighted.
FDA decisions per year · FGE
7in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · FGE
257in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · FGE
1in 2024
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · FGE
1,923in 2025
MAUDE reports naming product code FGE, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 4 | 316 | 54 | 1,006 |
| 2008 | 11 | 214 | 93 | 1,465 |
| 2009 | 7 | 160 | 18 | 1,655 |
| 2010 | 9 | 81 | 32 | 1,434 |
| 2011 | 9 | 114 | 2 | 1,321 |
| 2012 | 8 | 96 | 4 | 1,183 |
| 2013 | 5 | 161 | 3 | 1,060 |
| 2014 | 8 | 156 | 0 | 1,270 |
| 2015 | 8 | 79 | 0 | 1,543 |
| 2016 | 4 | 49 | 0 | 1,453 |
| 2017 | 9 | 59 | 1 | 1,515 |
| 2018 | 7 | 215 | 43 | 1,681 |
| 2019 | 2 | — | 13 | 1,896 |
| 2020 | 4 | 121 | 1 | 2,182 |
| 2021 | 1 | — | 27 | 2,297 |
| 2022 | 6 | 101 | 21 | 1,749 |
| 2023 | 6 | 199 | 19 | 1,615 |
| 2024 | 6 | 188 | 1 | 1,948 |
| 2025 | 7 | 257 | 0 | 1,923 |
| 2026 | 8 | 153 | 11 | — |
What is it indicated for?
Niti-S Biliary Stent is indicated for the palliation of malignant strictures in the biliary tree.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K073667 · printed Nov 4, 2026
Cite this page
510(k) Report. “K073667: Niti-S Biliary Stent.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K073667
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026