510(k) · Cleared
Recalled · 2004Wallstent Tracheobronchial Endoprosthesis and Unistep Plus Delivery System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Boston Scientific Corp · JCT Prosthesis, Tracheal, Expandable
Cleared on Nov 18, 1999 as substantially equivalent to K964121 (Boston Scientific Scimed, Inc., 1996) after a 114-day review. Its family tree reaches back 4 generations to 1992. 1 later device descends from it. It has been recalled once.
- Decided
- Nov 18, 1999
- Review
- 114 days
- Class
- Class II
- Product code
- JCT
- Recalls
- 1
- Predicates
- 1
Its longest line of descent runs back 4 generations to K923119 (1992). 5 ancestors in all. 1 later device descends from it, 1 citing it directly.
- Root · 4 generations backK923119 Wallstent Esophageal ProthesisSchneider U.S. Stent Div. · 1992
- 3 generations backK945494 Wallstent (R) Tracheobronchial EndoprosthesisBoston Scientific Scimed, Inc. · 1995 · Recalled
- 2 generations backK961296 Wallstent Tracheobronchial EndoprosthesisBoston Scientific Scimed, Inc. · 1996 · Recalled
- 1 generation backK964121 Wallstent Tracheobronchial EndoprosthesisBoston Scientific Scimed, Inc. · 1996 · Recalled
- This deviceK992510 Wallstent Tracheobronchial Endoprosthesis and Unistep Plus Delivery…Boston Scientific Corp · 1999
- Descendant · cites it directly · 0 of its ownK152842 Wallstent RP Endoprosthesis Tracheobronchial, Wallstent…Boston Scientific Corporation · 2016 · Recalled
Most influential descendants
Showing 1 of 1 · See all- K152842Wallstent RP Endoprosthesis Tracheobronchial, Wallstent Endoprosthesis TracheobronchialBoston Scientific Corporation · 2016 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −4 | K923119 | Wallstent Esophageal Prothesis | Schneider U.S. Stent Div. | 1992 | — |
| −3 | K945494 | Wallstent (R) Tracheobronchial Endoprosthesis | Boston Scientific Scimed, Inc. | 1995 | 1 |
| −2 | K961296 | Wallstent Tracheobronchial Endoprosthesis | Boston Scientific Scimed, Inc. | 1996 | 1 |
| −1 | K964121 | Wallstent Tracheobronchial Endoprosthesis | Boston Scientific Scimed, Inc. | 1996 | 1 |
| 0 (this device) | K992510 | Wallstent Tracheobronchial Endoprosthesis and Unistep Plus Delivery System | Boston Scientific Corp | 1999 | — |
| +1 | K152842 | Wallstent RP Endoprosthesis Tracheobronchial, Wallstent Endoprosthesis… | Boston Scientific Corporation | 2016 | 5 |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1994 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2016 | 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 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 K230269 Ultraflex™ Tracheobronchial Stent Systemscore 8.1 · 9 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (1)
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 |
|---|---|---|---|
| * | K964121 | Wallstent Tracheobronchial EndoprosthesisSummary page 4…ly 26, 1999 July 14, 2006 WALLSTENT® Tracheobronchial Endoprosthesis with Unistep™ Plus Delivery System Tracheal Endoprosthesis JCT Class lil, 21 CFR Part 878.3720 K964121 December 04, 1996 WALLSTENT® Tracheobronchial Endoprosthesis The WALLSTENT® Tracheobronchial Endoprosthesis is a self-expandin… | 1996 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K152842 | Wallstent RP Endoprosthesis Tracheobronchial, Wallstent Endoprosthesis Tracheobronchial | 2016 | 0 |
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Jul 9, 2004 | Not classified | Z-1340-04 | Other | Specific lots of the WALLSTENT Endoprosthesis with UNISTEP Plus Delivery System were packaged without one of the three required directions for use. |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 7 years and passes through 3 companies; a new generation was cleared every 2.5 years on median.
- 3 of the 5 ancestors have a recall of any class.
- Of its descendants, K152842 (Boston Scientific Corporation, 2016) has gone furthest, with 0 descendants of its own.
- 2 other devices also cite its predicate K964121.
How does its category compare?
All JCT devicesJCT Prosthesis, Tracheal, Expandable: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · JCT
1in 2023
2026 to Oct 25, outlined.
Median 510(k) review, days · JCT
234in 2014
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · JCT
2in 2011
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · JCT
50in 2025
MAUDE reports naming product code JCT, 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 | 2 | — | 0 | 150 |
| 2008 | 1 | — | 0 | 143 |
| 2009 | 1 | — | 0 | 163 |
| 2010 | 0 | — | 46 | 147 |
| 2011 | 0 | — | 2 | 95 |
| 2012 | 1 | — | 0 | 109 |
| 2013 | 0 | — | 0 | 238 |
| 2014 | 3 | 234 | 0 | 168 |
| 2015 | 0 | — | 0 | 251 |
| 2016 | 1 | — | 0 | 217 |
| 2017 | 0 | — | 0 | 109 |
| 2018 | 1 | — | 0 | 122 |
| 2019 | 0 | — | 0 | 106 |
| 2020 | 1 | — | 0 | 120 |
| 2021 | 2 | — | 0 | 106 |
| 2022 | 1 | — | 0 | 61 |
| 2023 | 1 | — | 0 | 110 |
| 2024 | 0 | — | 0 | 74 |
| 2025 | 0 | — | 0 | 50 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The WALLSTENT® Tracheobronchial Endoprosthesis is indicated for use in the treatment of tracheobronchial strictures 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.
https://510kreport.com/device/K992510 · printed Nov 6, 2026
Cite this page
510(k) Report. “K992510: Wallstent Tracheobronchial Endoprosthesis and Unistep Plus Delivery System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K992510
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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