510(k) Report

510(k) · Cleared

Cleared

Endomaxx Fully Covered Esophageal Stent

K111611510(k) SpecialCleared Jul 29, 201150-day reviewClass II21 CFR 878.3610

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

Merit Medical Systems, Inc. · ESW Prosthesis, Esophageal

Cleared on Jul 29, 2011 as substantially equivalent to K051621 (Alveolus, Inc., 2005) and 1 other predicate after a 50-day review. Its family tree reaches back 4 generations to 1996. 1 later device descends from it.

Decided
Jul 29, 2011
Review
50 days
Class
Class II
Product code
ESW
Recalls
None
Predicates
2

Its longest line of descent runs back 4 generations to K955347 (1996). 5 ancestors in all. 1 later device descends from it, 1 citing it directly.

  1. Root · 4 generations backK955347 UltraflexBoston Scientific Corp · 1996
  2. 3 generations backK032930 Ultraflex Esophageal NG Stent SystemBoston Scientific Corp · 2003 · Recalled
  3. 2 generations backK051621 Endoventions Alimaxx-E Esophageal Stent SystemAlveolus, Inc. · 2005
  4. 1 generation backK080838 Alveolus Alimaxx-E Esophageal Stent SystemAlveolus, Inc. · 2008
  5. This deviceK111611 Endomaxx Fully Covered Esophageal StentMerit Medical Systems, Inc. · 2011
  6. Descendant · cites it directly · 0 of its ownK251265 Resilience Fully Covered Esophageal Stent SystemMerit Medical Systems, Inc. · 2025

Most influential descendants

Showing 1 of 1 · See all
  • K251265Resilience Fully Covered Esophageal Stent SystemMerit Medical Systems, Inc. · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K955347UltraflexBoston Scientific Corp1996—
−3K032930Ultraflex Esophageal NG Stent SystemBoston Scientific Corp200316
−2K051621Endoventions Alimaxx-E Esophageal Stent SystemAlveolus, Inc.2005—
−1K080838Alveolus Alimaxx-E Esophageal Stent SystemAlveolus, Inc.2008—
0 (this device)K111611Endomaxx Fully Covered Esophageal StentMerit Medical Systems, Inc.2011—
+1K251265Resilience Fully Covered Esophageal Stent SystemMerit Medical Systems, Inc.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
FIG. 1 — Lineage of K111611, 1996–2025Source: 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 ESW? 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 ESW device

  1. #1 K261978 WallFlex Esophageal Stent System;Agile…score 15.2 · 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? (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
*K051621Endoventions Alimaxx-E Esophageal Stent System
Summary page 1
…is, Esophageal Predicate Device Trade Name: ALIMAXX-ESTM Esophageal Stern Classification Name: Prosthesis, Esophageal Premarket Notification: K05 1621 & K080838 Classification CER Listing: Class 11 per 21 CFR 878.3610 Product Code: ESW Review Branch:…
Alveolus, Inc.2005—
*K080838Alveolus Alimaxx-E Esophageal Stent System
Summary page 1
…eal Predicate Device Trade Name: ALIMAXX-ESTM Esophageal Stern Classification Name: Prosthesis, Esophageal Premarket Notification: K05 1621 & K080838 Classification CER Listing: Class 11 per 21 CFR 878.3610 Product Code: ESW Review Branch:…
Alveolus, Inc.2008—

Also cleared against K051621: 3 other devices →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K251265Resilience Fully Covered Esophageal Stent SystemMerit Medical Systems, Inc.20250

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?

  • The line of descent spans 15 years and passes through 3 companies; a new generation was cleared every 3.3 years on median.
  • 1 of the 5 ancestors has a recall of any class.
  • Of its descendants, K251265 (Merit Medical Systems, Inc., 2025) has gone furthest, with 0 descendants of its own.
  • 3 other devices also cite its predicate K051621.

How does its category compare?

All ESW devices

ESW Prosthesis, Esophageal: FDA decisions, review times, recalls and adverse event reports over 20 years. 2011, this device’s year, is highlighted.

FDA decisions per year · ESW

3in 2025

2008: 52009: 32010: 32011: 12012: 22013: 22016: 12018: 22019: 12020: 12021: 42022: 12024: 42025: 32026 (partial year): 1
2007high 5 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ESW

90in 2025

2008: 99 days median2009: 35 days median2010: 206 days median2021: 139 days median2024: 130 days median2025: 90 days median
2007high 206 (2010) · low 35 (2009)2026

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

Recalls per year · ESW

25in 2010

2010: 25
2007high 25 (2010) · low 0 (2007)2026

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

Adverse event reports per year · ESW

120in 2025

2007: 882008: 1532009: 2392010: 2552011: 1402012: 1212013: 1452014: 1692015: 1752016: 1532017: 872018: 862019: 1672020: 1552021: 772022: 1092023: 1552024: 1662025: 120
2007high 255 (2010) · low 77 (2021)2025

MAUDE reports naming product code ESW, 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
20070—088
20085990153
20093350239
2010320625255
20111—0140
20122—0121
20132—0145
20140—0169
20150—0175
20161—0153
20170—087
20182—086
20191—0167
20201—0155
20214139077
20221—0109
20230—0155
202441300166
20253900120
20261—0—

What is it indicated for?

The MERIT ENDOTEKTM EndoMAXXTm Fully Covered Esophageal Stent is intended for maintaining esophageal luminal patency in esophageal strictures caused by intrinsic and/or extrinsic malignant tumors and for occlusion of esophageal fistulae.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K111611: Endomaxx Fully Covered Esophageal Stent.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K111611

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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