510(k) Report

510(k) · Cleared

Cleared

Vortek Hydro-Coated Double Loop Ureteral Stents

K170362510(k) TraditionalCleared Nov 15, 2017282-day reviewClass II21 CFR 876.4620

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

Coloplast Corp. · FAD Stent, Ureteral

Cleared on Nov 15, 2017 as substantially equivalent to K881744 (Bivona Medical Technologies, 1988) and 1 other predicate after a 282-day review. Its family tree reaches back 1 generation to 1988. 4 later devices descend from it.

Decided
Nov 15, 2017
Review
282 days
Class
Class II
Product code
FAD
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K881744 (1988). 2 ancestors in all. 4 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1998: 1 other ancestor2018: 2 descendants cleared2022: 1 descendant cleared2021: 1 descendant clearedK881744 · Porges Ureteral Stent · Bivona Medical Technologies · 19881990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 2 descendants K881744 · Porges Ureteral Stent · Bivona Medical Technologies · 19880
  1. Root · 1 generation backK881744 Porges Ureteral StentBivona Medical Technologies · 1988
  2. This deviceK170362 Vortek Hydro-Coated Double Loop Ureteral StentsColoplast Corp. · 2017
  3. Descendant · cites it directly · 2 of its ownK180057 Vortek Ureteral Double Loop StentColoplast Corp. · 2018
  4. Descendant · 2 generations on · 0 of its ownK213186 NovoFlow Reinforced Ureteral StentColoplast Corp. · 2022
  5. Descendant · 2 generations on · 0 of its ownK201436 Vortek Single Loop Ureteral StentColoplast Corp. · 2021
  6. Descendant · cites it directly · 0 of its ownK180469 ImaJin Silicone Hydro-Coated Double Loop Ureteral StentColoplast Corp. · 2018

Most influential descendants

Showing 4 of 4 · See all
  • K180057Vortek Ureteral Double Loop StentColoplast Corp. · 2018 · cites it directly2descendants
  • K213186NovoFlow Reinforced Ureteral StentColoplast Corp. · 2022 · 2 generations on0descendants
  • K201436Vortek Single Loop Ureteral StentColoplast Corp. · 2021 · 2 generations on0descendants
  • K180469ImaJin Silicone Hydro-Coated Double Loop Ureteral StentColoplast Corp. · 2018 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K881744Porges Ureteral StentBivona Medical Technologies1988—
0 (this device)K170362Vortek Hydro-Coated Double Loop Ureteral StentsColoplast Corp.2017—
+1K180057Vortek Ureteral Double Loop StentColoplast Corp.2018—
+2K213186NovoFlow Reinforced Ureteral StentColoplast Corp.2022—
+2K201436Vortek Single Loop Ureteral StentColoplast Corp.2021—
+1K180469ImaJin Silicone Hydro-Coated Double Loop Ureteral StentColoplast Corp.2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201820
202110
202210
FIG. 1 — Lineage of K170362, 1988–2022Source: 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), 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. #1 K251890 Disposable Ureteral Stentsscore 12.4 · 6 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? (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.

TypeNumberDeviceApplicantDecidedRecalls
*K881744Porges Ureteral Stent
Summary page 4
…ssories are substantially equivalent in performance, indication, design and materials to Vortek Ureteral Double Loop Stents, cleared under premarket notification numbers K881744 and K981591. Device Description: The Vortek Hydro-Coated Double loop ureteral stents are flexible tubular devices supplied with…
Bivona Medical Technologies1988—
*K981591Vortek Ureteral Double Loop Stent, Biosoft Ureteral Double Loop Stent
Summary page 4
…substantially equivalent in performance, indication, design and materials to Vortek Ureteral Double Loop Stents, cleared under premarket notification numbers K881744 and K981591. Device Description: The Vortek Hydro-Coated Double loop ureteral stents are flexible tubular devices supplied with a hydrogel…
International Regulatory Consultants1998—

Also cleared against K881744: 3 other devices →

What descends from it? (4)

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

NumberDeviceApplicantDecidedDescendants
K180057Vortek Ureteral Double Loop StentColoplast Corp.20182
K180469ImaJin Silicone Hydro-Coated Double Loop Ureteral StentColoplast Corp.20180

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?

  • None of the 2 ancestors has a recall.
  • Of its descendants, K180057 (Coloplast Corp., 2018) has gone furthest, with 2 descendants of its own.
  • 3 other devices also cite its predicate K881744.

How does its category compare?

All FAD devices

FAD Stent, Ureteral: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.

FDA decisions per year · FAD

4in 2025

2007: 12008: 12010: 12014: 12016: 42017: 82018: 92019: 52020: 12021: 22022: 52024: 12025: 42026 (partial year): 1
2007high 9 (2018) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FAD

186in 2025

2016: 143 days median2017: 266 days median2018: 258 days median2019: 263 days median2022: 143 days median2025: 186 days median
2007high 266 (2017) · low 143 (2016)2026

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

Recalls per year · FAD

4in 2025

2007: 12008: 222009: 22010: 12016: 42019: 62020: 22021: 12022: 92025: 4
2007high 22 (2008) · low 0 (2011)2026

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

Adverse event reports per year · FAD

634in 2025

2007: 432008: 762009: 1232010: 782011: 952012: 1312013: 822014: 782015: 1302016: 1822017: 2652018: 2772019: 2612020: 3522021: 5312022: 5592023: 6912024: 6032025: 634
2007high 691 (2023) · low 43 (2007)2025

MAUDE reports naming product code FAD, 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
20071—143
20081—2276
20090—2123
20101—178
20110—095
20120—0131
20130—082
20141—078
20150—0130
201641434182
201782660265
201892580277
201952636261
20201—2352
20212—1531
202251439559
20230—0691
20241—0603
202541864634
20261—0—

What is it indicated for?

The double loop ureteral stents are used for:

- drainage of the upper urinary tract over fistulas or ureteral obstacles

- healing of the ureter

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. “K170362: Vortek Hydro-Coated Double Loop Ureteral Stents.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K170362

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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