510(k) Report

510(k) · Cleared

Cleared

ARMADA Ureteral Dilator Set, ARMADA Nottingham One Step Dilator, ARMADA Amplatz Renal Dilator Sets, ARMADA Renal Dilator, Glider Amplatz Sheath, ARMADA Renal Dilator with Amplatz Sheath, Fascial Dilator Set, Introducer Sheath, Introducer Catheter

K220781510(k) TraditionalCleared May 5, 2023414-day reviewClass II21 CFR 876.5470

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

Allwin Medical Devices, Inc. · EZN Dilator, Catheter, Ureteral

Cleared on May 5, 2023 after a 414-day review. FDA’s file for it is a 510(k) statement, which names no predicate.

Decided
May 5, 2023
Review
414 days
Class
Class II
Product code
EZN
Recalls
None
Predicates
0

FDA’s file for it is a 510(k) statement, which names no predicate.

FIG. 1 — Lineage of K220781Source: FDA 510(k) database · 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 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in EZN? 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 EZN device

  1. #1 K250910 Optilume® High Pressure Urological Balloon…score 10.0 · 3 generations · no Class I recall
  2. #2 Held for the reportin the report
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What was it cleared against?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it?

No later submission names this one as a predicate yet.

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.

How does its category compare?

All EZN devices

EZN Dilator, Catheter, Ureteral: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · EZN

1in 2025

2013: 22017: 12018: 42019: 12020: 12023: 12025: 1
2007high 4 (2018) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · EZN

175in 2018

2018: 175 days median
2007high 175 (2018)2026

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

Recalls per year · EZN

9in 2007

2007: 9
2007high 9 (2007) · low 0 (2008)2026

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

Adverse event reports per year · EZN

79in 2025

2007: 232008: 532009: 1242010: 522011: 542012: 382013: 272014: 282015: 302016: 192017: 652018: 582019: 562020: 402021: 412022: 512023: 832024: 492025: 79
2007high 124 (2009) · low 19 (2016)2025

MAUDE reports naming product code EZN, 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—923
20080—053
20090—0124
20100—052
20110—054
20120—038
20132—027
20140—028
20150—030
20160—019
20171—065
20184175058
20191—056
20201—040
20210—041
20220—051
20231—083
20240—049
20251—079
20260—0—

What is it indicated for?

ARMADA Ureteral Dilator Set: Used for step by step dilatation of the intramural and ureter and / or for stone manipulation. ARMADA Nottingham One Step Dilator: Used for one step dilatation of the intramural portion and ureter. ARMADA Amplatz Renal Dilator Set: Used for progressive dilatation for tract prior to percutaneous kidney stone removal. ARMADA Renal Dilator: Used for dilatation of Renal Tract. Glider Amplatz Sheath: Used to maintain previously…

Read the full statement (107 words)

ARMADA Ureteral Dilator Set:

Used for step by step dilatation of the intramural and ureter and / or for stone manipulation.

ARMADA Nottingham One Step Dilator:

Used for one step dilatation of the intramural portion and ureter.

ARMADA Amplatz Renal Dilator Set:

Used for progressive dilatation for tract prior to percutaneous kidney stone removal.

ARMADA Renal Dilator:

Used for dilatation of Renal Tract.

Glider Amplatz Sheath:

Used to maintain previously established nephrostomy tract.

Fascial Dilator:

Fascial Dilators are used for dilatation of percutaneous track over the guidewire.

Introducer Sheath:

Used for introducing safety wire during nephrostomy.

Introducer Catheter:

Used for guiding renal dilators for establishing nephrostomy tract.

Indications for use as stated in the FDA 510(k) statement.

Cite this page

510(k) Report. “K220781: ARMADA Ureteral Dilator Set, ARMADA Nottingham One Step Dilator, ARMADA Amplatz Renal Dilator Sets, ARMADA Renal Dilator, Glider Amplatz Sheath, ARMADA Renal Dilator with Amplatz Sheath, Fascial Dilator Set, Introducer Sheath, Introducer Catheter.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K220781

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026