510(k) · Cleared
ClearedFossa Expanding Double Pigtail Ureteral Stent
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Fossa Industries, Inc. · FAD Stent, Ureteral
Cleared on Jun 28, 2002 after an 80-day review. The FDA summary names its predicate without a number. 2 later devices descend from it.
- Decided
- Jun 28, 2002
- Review
- 80 days
- Class
- Class II
- Product code
- FAD
- Recalls
- None
- Predicates
- 0
2 later devices descend from it, 2 citing it directly.
- This deviceK021140 Fossa Expanding Double Pigtail Ureteral StentFossa Industries, Inc. · 2002
- Descendant · cites it directly · 1 of its ownK033368 Fossa Ureteral Open Lumen StentFossa Medical, Inc. · 2003
- Descendant · cites it directly · 0 of its ownK072293 Fossa Ureteral Open StentsFossa Medical, Inc. · 2008
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K021140 | Fossa Expanding Double Pigtail Ureteral Stent | Fossa Industries, Inc. | 2002 | — |
| +1 | K033368 | Fossa Ureteral Open Lumen Stent | Fossa Medical, Inc. | 2003 | — |
| +1 | K072293 | Fossa Ureteral Open Stents | Fossa Medical, Inc. | 2008 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2003 | 1 | 0 |
| 2008 | 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 FAD? 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 FAD device
- #1 K251890 Disposable Ureteral Stentsscore 12.4 · 6 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (2)
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 |
|---|---|---|---|
| * | — | Cook Double Pigtail Polyurethane Stent Named without a submission number | |
| * | — | Bard Double Pigtail Ureteral Stent Named without a submission number |
What descends from it? (2)
2 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?
- Of its descendants, K033368 (Fossa Medical, Inc., 2003) has gone furthest, with 1 descendant of its own.
How does its category compare?
All FAD devicesFAD Stent, Ureteral: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · FAD
4in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · FAD
186in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · FAD
4in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · FAD
634in 2025
MAUDE reports naming product code FAD, 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 | 1 | — | 1 | 43 |
| 2008 | 1 | — | 22 | 76 |
| 2009 | 0 | — | 2 | 123 |
| 2010 | 1 | — | 1 | 78 |
| 2011 | 0 | — | 0 | 95 |
| 2012 | 0 | — | 0 | 131 |
| 2013 | 0 | — | 0 | 82 |
| 2014 | 1 | — | 0 | 78 |
| 2015 | 0 | — | 0 | 130 |
| 2016 | 4 | 143 | 4 | 182 |
| 2017 | 8 | 266 | 0 | 265 |
| 2018 | 9 | 258 | 0 | 277 |
| 2019 | 5 | 263 | 6 | 261 |
| 2020 | 1 | — | 2 | 352 |
| 2021 | 2 | — | 1 | 531 |
| 2022 | 5 | 143 | 9 | 559 |
| 2023 | 0 | — | 0 | 691 |
| 2024 | 1 | — | 0 | 603 |
| 2025 | 4 | 186 | 4 | 634 |
| 2026 | 1 | — | 0 | — |
What is it indicated for?
The Fossa Double Pigtail Expanding Ureteral Stent is indicated for use as an indwelling ureteral catheter for drainage of urine from the kidney to the bladder.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K021140 · printed Nov 5, 2026
Cite this page
510(k) Report. “K021140: Fossa Expanding Double Pigtail Ureteral Stent.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K021140
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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