510(k) Report

510(k) · Cleared

Recalled · 2011

Wallstent Tracheobronchial Endoprosthesis

K964121510(k) TraditionalCleared Dec 4, 199650-day reviewClass II21 CFR 878.3720Recalls 1

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

Boston Scientific Scimed, Inc. · JCT Prosthesis, Tracheal, Expandable

Cleared on Dec 4, 1996 as substantially equivalent to K934116 (Boston Scientific Scimed, Inc., 1994) and 2 other predicates after a 50-day review. Its family tree reaches back 3 generations to 1992. 44 later devices descend from it. It has been recalled once.

Decided
Dec 4, 1996
Review
50 days
Class
Class II
Product code
JCT
Recalls
1
Predicates
3

Its longest line of descent runs back 3 generations to K923119 (1992). 4 ancestors in all. 44 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1994: 1 other ancestor1998: 2 descendants cleared1999: 2 descendants cleared2001: 1 descendant cleared2006: 1 descendant cleared2016: 1 descendant cleared2013: 2 descendants cleared2003: 1 descendant cleared2008: 2 descendants cleared2009: 3 descendants cleared2011: 2 descendants cleared2012: 2 descendants cleared2002: 1 descendant cleared2010: 1 descendant cleared2022: 2 descendants cleared2025: 3 descendants cleared2023: 3 descendants cleared2014: 3 descendants cleared2021: 3 descendants cleared2019: 1 descendant cleared2024: 4 descendants cleared2020: 2 descendants cleared2018: 1 descendant cleared2026: 1 descendant clearedReference device: K940396 · Wallstent Esophageal Prosthesis (Double) · Boston Scientific Scimed, Inc. · 1994K923119 · Wallstent Esophageal Prothesis · Schneider U.S. Stent Div. · 1992K945494 · Wallstent (R) Tracheobronchial Endoprosthesis · Boston Scientific Scimed, Inc. · 1995 · recalledK961296 · Wallstent Tracheobronchial Endoprosthesis · Boston Scientific Scimed, Inc. · 1996 · recalled1990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 3 descendants2 generations forward: 4 descendants3 generations forward: 10 descendants4 generations forward: 7 descendants5 generations forward: 10 descendants6 generations forward: 6 descendants7 generations forward: 3 descendants8 generations forward: 1 descendant K961296 · Wallstent Tracheobronchial Endoprosthesis · Boston Scientific Scimed, Inc. · 1996 · recalledK945494 · Wallstent (R) Tracheobronchial Endoprosthesis · Boston Scientific Scimed, Inc. · 1995 · recalledK923119 · Wallstent Esophageal Prothesis · Schneider U.S. Stent Div. · 19920+5
  1. Root · 3 generations backK923119 Wallstent Esophageal ProthesisSchneider U.S. Stent Div. · 1992
  2. 2 generations backK945494 Wallstent (R) Tracheobronchial EndoprosthesisBoston Scientific Scimed, Inc. · 1995 · Recalled
  3. 1 generation backK961296 Wallstent Tracheobronchial EndoprosthesisBoston Scientific Scimed, Inc. · 1996 · Recalled
  4. This deviceK964121 Wallstent Tracheobronchial EndoprosthesisBoston Scientific Scimed, Inc. · 1996
  5. Descendant · cites it directly · 41 of its ownK980163 Wallstent Tracheobronchial Endoprosthesis and Wallstent…Boston Scientific Scimed, Inc. · 1998 · Recalled
  6. Descendant · cites it directly · 40 of its ownK982184 Wallstent EndoprosthesisBoston Scientific Scimed, Inc. · 1998
  7. Descendant · 2 generations on · 37 of its ownK012752 Wallstent RX Biliary Endoprostheses, Models 6961-6972 InclusiveBoston Scientific Corp · 2001 · Recalled
  8. Descendant · 3 generations on · 23 of its ownK073667 Niti-S Biliary StentTaewoong Medical Co., Ltd. · 2008
  9. Descendant · 3 generations on · 11 of its ownK030107 100MM Wallstent RX Biliary Endoprosthesis, Models M00569800 8MM…Boston Scientific Corp · 2003 · Recalled

Showing 5 of 44 descendants. See all descendants

Descendants cleared per year

1998: 21999: 22001: 12002: 12003: 12006: 12008: 22009: 32010: 12011: 22012: 22013: 22014: 32016: 12018: 12019: 12020: 22021: 32022: 22023: 32024: 42025: 32026: 1
1998high 4 (2024) · low 0 (2000)2026

Most influential descendants

Showing 5 of 44 · See all
  • K980163Wallstent Tracheobronchial Endoprosthesis and Wallstent Tracheobronchial Endoprosthesis…Boston Scientific Scimed, Inc. · 1998 · cites it directly41descendants
  • K982184Wallstent EndoprosthesisBoston Scientific Scimed, Inc. · 1998 · cites it directly40descendants
  • K012752Wallstent RX Biliary Endoprostheses, Models 6961-6972 InclusiveBoston Scientific Corp · 2001 · 2 generations on37descendants
  • K073667Niti-S Biliary StentTaewoong Medical Co., Ltd. · 2008 · 3 generations on23descendants
  • K030107100MM Wallstent RX Biliary Endoprosthesis, Models M00569800 8MM, M00569810 10MMBoston Scientific Corp · 2003 · 3 generations on11descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K923119Wallstent Esophageal ProthesisSchneider U.S. Stent Div.1992—
−2K945494Wallstent (R) Tracheobronchial EndoprosthesisBoston Scientific Scimed, Inc.19951
−1K961296Wallstent Tracheobronchial EndoprosthesisBoston Scientific Scimed, Inc.19961
0 (this device)K964121Wallstent Tracheobronchial EndoprosthesisBoston Scientific Scimed, Inc.1996—
+1K980163Wallstent Tracheobronchial Endoprosthesis and Wallstent Tracheobronchial…Boston Scientific Scimed, Inc.19981
+1K982184Wallstent EndoprosthesisBoston Scientific Scimed, Inc.1998—
+2K012752Wallstent RX Biliary Endoprostheses, Models 6961-6972 InclusiveBoston Scientific Corp20011
+3K073667Niti-S Biliary StentTaewoong Medical Co., Ltd.2008—
+3K030107100MM Wallstent RX Biliary Endoprosthesis, Models M00569800 8MM, M00569810 10MMBoston Scientific Corp20031

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199820
199920
200110
200210
200310
200610
200820
200930
201010
201120
201220
201320
201430
201610
201810
201910
202020
202130
202220
202330
202440
202530
202610
FIG. 1 — Lineage of K964121, 1992–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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

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 JCT? 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 JCT device

  1. #1 K230269 Ultraflex™ Tracheobronchial Stent Systemscore 8.1 · 9 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K934116Wallstent Tracheobronchial Prosthesis Modification
Summary page 4
…s Regulation Number: 878.3720 Product Code: JCT Classification: Class II 3. Predicate Device: Boston Scientific Corporation’s Wallstent Tracheobronchial Prosthesis, K934116 Boston Scientific Corporation’s Wallstent Tracheobronchial Prosthesis, K945494 Boston Scientific Corporation’s Wallstent Tracheob…
Boston Scientific Scimed, Inc.1994—
*K945494Wallstent (R) Tracheobronchial Endoprosthesis
Summary page 4
…Predicate Device: Boston Scientific Corporation’s Wallstent Tracheobronchial Prosthesis, K934116 Boston Scientific Corporation’s Wallstent Tracheobronchial Prosthesis, K945494 Boston Scientific Corporation’s Wallstent Tracheobronchial Prosthesis, K961296 4. Device Description: The Wallstent Tracheobron…
Boston Scientific Scimed, Inc.19951
*K961296Wallstent Tracheobronchial Endoprosthesis
Summary page 4
…Prosthesis, K934116 Boston Scientific Corporation’s Wallstent Tracheobronchial Prosthesis, K945494 Boston Scientific Corporation’s Wallstent Tracheobronchial Prosthesis, K961296 4. Device Description: The Wallstent Tracheobronchial Endoprosthesis is a self-expanding prosthesis constructed of biomedical s…
Boston Scientific Scimed, Inc.19961
†K940396Wallstent Esophageal Prosthesis (Double)Boston Scientific Scimed, Inc.1994—

Also cleared against K934116: 5 other devices →

What descends from it? (44)

See all 44

3 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K980163Wallstent Tracheobronchial Endoprosthesis and Wallstent Tracheobronchial Endoprosthesis…Boston Scientific Scimed, Inc.199841
K982184Wallstent EndoprosthesisBoston Scientific Scimed, Inc.199840
K992510Wallstent Tracheobronchial Endoprosthesis and Unistep Plus Delivery SystemBoston Scientific Corp19991

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

Recalls of this device

DateClassRecallRoot causeReason
May 25, 2011Not classifiedZ-2832-2011Labeling False and MisleadingBoston Scientific is initiating an important field correction related to WALLSTENT", WALLSTENT" RP, and WALLGRAFT Tracheobronchial Endoprosthesis products. This letter is intended to clarify and re-emphasize that U.S. WALLSTENT"…

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 4 years and passes through 2 companies; a new generation was cleared every 1.4 years on median.
  • 2 of the 4 ancestors have a recall of any class.
  • Of its descendants, K980163 (Boston Scientific Scimed, Inc., 1998) has gone furthest, with 41 descendants of its own.
  • 5 other devices also cite its predicate K934116.

How does its category compare?

All JCT devices

JCT Prosthesis, Tracheal, Expandable: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · JCT

1in 2023

2007: 22008: 12009: 12012: 12014: 32016: 12018: 12020: 12021: 22022: 12023: 1
2007high 3 (2014) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · JCT

234in 2014

2014: 234 days median
2007high 234 (2014)2026

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

Recalls per year · JCT

2in 2011

2010: 462011: 2
2007high 46 (2010) · low 0 (2007)2026

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

Adverse event reports per year · JCT

50in 2025

2007: 1502008: 1432009: 1632010: 1472011: 952012: 1092013: 2382014: 1682015: 2512016: 2172017: 1092018: 1222019: 1062020: 1202021: 1062022: 612023: 1102024: 742025: 50
2007high 251 (2015) · low 50 (2025)2025

MAUDE reports naming product code JCT, 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
20072—0150
20081—0143
20091—0163
20100—46147
20110—295
20121—0109
20130—0238
201432340168
20150—0251
20161—0217
20170—0109
20181—0122
20190—0106
20201—0120
20212—0106
20221—061
20231—0110
20240—074
20250—050
20260—0—

What is it indicated for?

The Wallstent Tracheobronchial Endoprosthesis is intended for use in the treatment of tracheobronchial strictures produced by malignant neoplasms.

The Wallstent Tracheobronchial Endoprosthesis with Permalume® Covering is intended for use in the treatment of tracheobronchial strictures or fistulas produced by malignant neoplasms.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K964121: Wallstent Tracheobronchial Endoprosthesis.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K964121

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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