510(k) Report

510(k) · Cleared

Recalled · 2003

Esophageal Z-Stent

K920218510(k) TraditionalCleared Feb 9, 1994755-day reviewClass II21 CFR 878.3610Recalls 1

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Wilson-Cook Medical, Inc. · ESW Prosthesis, Esophageal

Cleared on Feb 9, 1994 after a 755-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 20 later devices descend from it. It has been recalled once.

Decided
Feb 9, 1994
Review
755 days
Class
Class II
Product code
ESW
Recalls
1
Predicates
0

20 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2002: 1 descendant cleared2009: 1 descendant cleared2008: 1 descendant cleared2010: 2 descendants cleared2016: 1 descendant cleared2025: 1 descendant cleared2012: 1 descendant cleared2024: 3 descendants cleared2013: 1 descendant cleared2014: 1 descendant cleared2022: 1 descendant cleared2021: 2 descendants cleared2020: 2 descendants cleared2018: 1 descendant cleared2026: 1 descendant cleared1990200020102020
  1. This deviceK920218 Esophageal Z-StentWilson-Cook Medical, Inc. · 1994
  2. Descendant · cites it directly · 19 of its ownK011591 Esophageal Z-Stent with Dua Anti-Reflux ValveWilson-Cook Medical, Inc. · 2002
  3. Descendant · 2 generations on · 15 of its ownK080782 Niti-S Esophageal StentTaewoong Medical Co., Ltd. · 2009 · Recalled
  4. Descendant · 3 generations on · 10 of its ownK113551 Esophageal TTS StentTaewoong Medical Co., Ltd. · 2012 · Recalled
  5. Descendant · 3 generations on · 9 of its ownK123205 Esophageal TTS StentTaewoong Medical Co., Ltd. · 2013 · Recalled
  6. Descendant · 4 generations on · 3 of its ownK211706 Esophageal TTS StentTaewoong Medical Co., Ltd. · 2021

Showing 5 of 20 descendants. See all descendants

Descendants cleared per year

2002: 12008: 12009: 12010: 22012: 12013: 12014: 12016: 12018: 12020: 22021: 22022: 12024: 32025: 12026: 1
2002high 3 (2024) · low 0 (2003)2026

Most influential descendants

Showing 5 of 20 · See all
  • K011591Esophageal Z-Stent with Dua Anti-Reflux ValveWilson-Cook Medical, Inc. · 2002 · cites it directly19descendants
  • K080782Niti-S Esophageal StentTaewoong Medical Co., Ltd. · 2009 · 2 generations on15descendants
  • K113551Esophageal TTS StentTaewoong Medical Co., Ltd. · 2012 · 3 generations on10descendants
  • K123205Esophageal TTS StentTaewoong Medical Co., Ltd. · 2013 · 3 generations on9descendants
  • K211706Esophageal TTS StentTaewoong Medical Co., Ltd. · 2021 · 4 generations on3descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K920218Esophageal Z-StentWilson-Cook Medical, Inc.1994—
+1K011591Esophageal Z-Stent with Dua Anti-Reflux ValveWilson-Cook Medical, Inc.2002—
+2K080782Niti-S Esophageal StentTaewoong Medical Co., Ltd.20091
+3K113551Esophageal TTS StentTaewoong Medical Co., Ltd.20121
+3K123205Esophageal TTS StentTaewoong Medical Co., Ltd.20131
+4K211706Esophageal TTS StentTaewoong Medical Co., Ltd.2021—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200210
200810
200910
201020
201210
201310
201410
201610
201810
202020
202120
202210
202430
202510
202610
FIG. 1 — Lineage of K920218, 1994–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in ESW? 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 ESW device

  1. #1 K261978 WallFlex Esophageal Stent System;Agile…score 15.2 · 13 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against?

FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

What descends from it? (20)

See all 20

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K011591Esophageal Z-Stent with Dua Anti-Reflux ValveWilson-Cook Medical, Inc.200219

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Jan 30, 2003Not classifiedZ-1410-04OtherLabel contains the 'Sterile EO' symbol, however the device is provided non-sterile.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K011591 (Wilson-Cook Medical, Inc., 2002) has gone furthest, with 19 descendants of its own.

How does its category compare?

All ESW devices

ESW Prosthesis, Esophageal: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · ESW

3in 2025

2008: 52009: 32010: 32011: 12012: 22013: 22016: 12018: 22019: 12020: 12021: 42022: 12024: 42025: 32026 (partial year): 1
2007high 5 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ESW

90in 2025

2008: 99 days median2009: 35 days median2010: 206 days median2021: 139 days median2024: 130 days median2025: 90 days median
2007high 206 (2010) · low 35 (2009)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · ESW

25in 2010

2010: 25
2007high 25 (2010) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · ESW

120in 2025

2007: 882008: 1532009: 2392010: 2552011: 1402012: 1212013: 1452014: 1692015: 1752016: 1532017: 872018: 862019: 1672020: 1552021: 772022: 1092023: 1552024: 1662025: 120
2007high 255 (2010) · low 77 (2021)2025

MAUDE reports naming product code ESW, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—088
20085990153
20093350239
2010320625255
20111—0140
20122—0121
20132—0145
20140—0169
20150—0175
20161—0153
20170—087
20182—086
20191—0167
20201—0155
20214139077
20221—0109
20230—0155
202441300166
20253900120
20261—0—
Cite this page

510(k) Report. “K920218: Esophageal Z-Stent.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K920218

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026