510(k) Report

510(k) · Decided

Recalled · 2010

Alimaxx-B Uncovered Biliary Stent System

K072720510(k) TraditionalDecided Apr 11, 2008199-day reviewClass II21 CFR 876.5010Recalls 6

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

Alveolus, Inc. · FGE Stents, Drains And Dilators For The Biliary Ducts

Cleared on Apr 11, 2008 as substantially equivalent to K031186 (C.R. Bard, Inc., 2003) and 2 other predicates after a 199-day review. Its family tree reaches back 4 generations to 2000. 1 later device descends from it. It has been recalled 6 times.

Decided
Apr 11, 2008
Review
199 days
Class
Class II
Product code
FGE
Recalls
6
Predicates
3

Its longest line of descent runs back 4 generations to K002143 (2000). 16 ancestors in all, the oldest K971010 (1997). 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2003: 2 other ancestors2002: 3 other ancestors2001: 4 other ancestors1999: 1 other ancestor2000: 1 other ancestor1997: 1 other ancestor2010: 1 descendant clearedK002143 · Dynalink Biliary Self-Expanding Stent System · Guidant Corp. · 2000K011881 · Dynalink .035 Biliary Self-Expanding Stent System · Guidant Corp. · 2001K014184 · Modification to Dynalink .035 Biliary Self-Expanding Stent System · Guidant Corp. · 2002K033393 · Absolute .035 Self-Expanding Biliary Stent System · Guidant Corp. · 2003 · recalled1995200020052010201520202025
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors2 generations back: 5 other ancestors3 generations back: 4 other ancestors4 generations back: 1 other ancestor 1 generation forward: 1 descendant K033393 · Absolute .035 Self-Expanding Biliary Stent System · Guidant Corp. · 2003 · recalledK014184 · Modification to Dynalink .035 Biliary Self-Expanding Stent System · Guidant Corp. · 2002K011881 · Dynalink .035 Biliary Self-Expanding Stent System · Guidant Corp. · 2001K002143 · Dynalink Biliary Self-Expanding Stent System · Guidant Corp. · 20000
  1. Root · 4 generations backK002143 Dynalink Biliary Self-Expanding Stent SystemGuidant Corp. · 2000
  2. 3 generations backK011881 Dynalink .035 Biliary Self-Expanding Stent SystemGuidant Corp. · 2001
  3. 2 generations backK014184 Modification to Dynalink .035 Biliary Self-Expanding Stent SystemGuidant Corp. · 2002
  4. 1 generation backK033393 Absolute .035 Self-Expanding Biliary Stent SystemGuidant Corp. · 2003 · Recalled
  5. This deviceK072720 Alimaxx-B Uncovered Biliary Stent SystemAlveolus, Inc. · 2008
  6. Descendant · cites it directly · 0 of its ownK093947 Alimaxx-B Uncovered Biliary Stent System EndoscopicMerit Medical Systems, Inc. · 2010

Most influential descendants

Showing 1 of 1 · See all
  • K093947Alimaxx-B Uncovered Biliary Stent System EndoscopicMerit Medical Systems, Inc. · 2010 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K002143Dynalink Biliary Self-Expanding Stent SystemGuidant Corp.2000—
−3K011881Dynalink .035 Biliary Self-Expanding Stent SystemGuidant Corp.2001—
−2K014184Modification to Dynalink .035 Biliary Self-Expanding Stent SystemGuidant Corp.2002—
−1K033393Absolute .035 Self-Expanding Biliary Stent SystemGuidant Corp.20035
0 (this device)K072720Alimaxx-B Uncovered Biliary Stent SystemAlveolus, Inc.2008—
+1K093947Alimaxx-B Uncovered Biliary Stent System EndoscopicMerit Medical Systems, Inc.2010—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199710
199910
200010
200140
200230
200320

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201010
FIG. 1 — Lineage of K072720, 2000–2010Source: 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 FGE? 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 FGE device

  1. #1 K240464 WallFlex Biliary RX Stent System; Epic Biliary…score 14.5 · 13 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
*K031186Luminexx Endoscopic Biliary Stent
Summary page 1
…stantially equivalent to previously cleared devices, including the Bard® LUMINEXX TM Biliary Stent and Delivery Catheter cleared by FDA under 510(k) number K031186, and the Cook® Zilver TM Biliary Stent cleared by FDA under 510(k) number K020788, and the AbsoluteTM Biliary, Self…
C.R. Bard, Inc.20033
*K020788Wilson-Cook Zilver Biliary Stent
Summary page 1
…TM Biliary Stent and Delivery Catheter cleared by FDA under 510(k) number K031186, and the Cook® Zilver TM Biliary Stent cleared by FDA under 510(k) number K020788, and the AbsoluteTM Biliary, Self-Expanding Stent cleared by FDA under 510(k) number K033393. Description…
Wilson-Cook Medical, Inc.20023
*K033393Absolute .035 Self-Expanding Biliary Stent System
Summary page 1
…Zilver TM Biliary Stent cleared by FDA under 510(k) number K020788, and the AbsoluteTM Biliary, Self-Expanding Stent cleared by FDA under 510(k) number K033393. Description The ALIMAXX-B Uncovered biliary stent is a sterile, single-use, self- Alveolus ALIMAXX-B Uncovered…
Guidant Corp.20035

Also cleared against K031186: 1 other device →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K093947Alimaxx-B Uncovered Biliary Stent System EndoscopicMerit Medical Systems, Inc.20100

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

Recalls of this device

DateClassRecallRoot causeReason
Jan 28, 2010Not classifiedZ-0803-2010Component change controlDegradation of the outer portion of the delivery catheter may prevent proper deployment of the biliary stent.
Jan 28, 2010Not classifiedZ-0804-2010Component change controlDegradation of the outer portion of the delivery catheter may prevent proper deployment of the biliary stent.
Jan 28, 2010Not classifiedZ-0806-2010Component change controlDegradation of the outer portion of the delivery catheter may prevent proper deployment of the biliary stent.
Jan 28, 2010Not classifiedZ-0801-2010Component change controlDegradation of the outer portion of the delivery catheter may prevent proper deployment of the biliary stent.
Jan 28, 2010Not classifiedZ-0802-2010Component change controlDegradation of the outer portion of the delivery catheter may prevent proper deployment of the biliary stent.
Jan 28, 2010Not classifiedZ-0805-2010Component change controlDegradation of the outer portion of the delivery catheter may prevent proper deployment of the biliary stent.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 8 years and passes through 2 companies; a new generation was cleared every 1.8 years on median.
  • 5 of the 16 ancestors have a recall of any class.
  • Of its descendants, K093947 (Merit Medical Systems, Inc., 2010) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K031186.

How does its category compare?

All FGE devices

FGE Stents, Drains And Dilators For The Biliary Ducts: FDA decisions, review times, recalls and adverse event reports over 20 years. 2008, this device’s year, is highlighted.

FDA decisions per year · FGE

7in 2025

2007: 42008: 112009: 72010: 92011: 92012: 82013: 52014: 82015: 82016: 42017: 92018: 72019: 22020: 42021: 12022: 62023: 62024: 62025: 72026 (partial year): 8
2007high 11 (2008) · low 1 (2021)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FGE

257in 2025

2007: 316 days median2008: 214 days median2009: 160 days median2010: 81 days median2011: 114 days median2012: 96 days median2013: 161 days median2014: 156 days median2015: 79 days median2016: 49 days median2017: 59 days median2018: 215 days median2020: 121 days median2022: 101 days median2023: 199 days median2024: 188 days median2025: 257 days median2026 (partial year): 153 days median
2007high 316 (2007) · low 49 (2016)2026

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

Recalls per year · FGE

1in 2024

2007: 542008: 932009: 182010: 322011: 22012: 42013: 32017: 12018: 432019: 132020: 12021: 272022: 212023: 192024: 12026 (partial year): 11
2007high 93 (2008) · low 0 (2014)2026

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

Adverse event reports per year · FGE

1,923in 2025

2007: 1,0062008: 1,4652009: 1,6552010: 1,4342011: 1,3212012: 1,1832013: 1,0602014: 1,2702015: 1,5432016: 1,4532017: 1,5152018: 1,6812019: 1,8962020: 2,1822021: 2,2972022: 1,7492023: 1,6152024: 1,9482025: 1,923
2007high 2,297 (2021) · low 1,006 (2007)2025

MAUDE reports naming product code FGE, 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
20074316541,006
200811214931,465
20097160181,655
2010981321,434
2011911421,321
201289641,183
2013516131,060
2014815601,270
201587901,543
201644901,453
201795911,515
20187215431,681
20192—131,896
2020412112,182
20211—272,297
20226101211,749
20236199191,615
2024618811,948
2025725701,923
2026815311—

What is it indicated for?

The Alveolus, ALIMAXX-B Uncovered Biliary Stent System is intended for palliation of malignant strictures in the biliary tree.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K072720: Alimaxx-B Uncovered Biliary Stent System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K072720

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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