510(k) Report

510(k) · Cleared

Cleared

Algidex Ag Silver Alginate Wound Dressing

K173072510(k) TraditionalCleared Apr 4, 2018187-day reviewClass U

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

Deroyal Industries, Inc. · FRO Dressing, Wound, Drug

Cleared on Apr 4, 2018 as substantially equivalent to K041268 (Adri, 2004) and 1 other predicate after a 187-day review. Its family tree reaches back 3 generations to 1997.

Decided
Apr 4, 2018
Review
187 days
Class
Class U
Product code
FRO
Recalls
None
Predicates
2

Its longest line of descent runs back 3 generations to K970566 (1997). 5 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 2002: 1 other ancestor1997: 1 other ancestorK970566 · Arglaes Film Dressing · Maersk Medical, Ltd. · 1997K990810 · Arglaes-AB Antimicrobial Barrier Film Dressing & Island Dressing · Maersk Medical, Ltd. · 1999K041268 · Silversite or Calgitrol · Adri · 2004199520002005201020152020
Other ancestors, by generation 1 generation back: 1 other ancestor3 generations back: 1 other ancestor K041268 · Silversite or Calgitrol · Adri · 2004K990810 · Arglaes-AB Antimicrobial Barrier Film Dressing & Island Dressing · Maersk Medical, Ltd. · 1999K970566 · Arglaes Film Dressing · Maersk Medical, Ltd. · 19970
  1. Root · 3 generations backK970566 Arglaes Film DressingMaersk Medical, Ltd. · 1997
  2. 2 generations backK990810 Arglaes-AB Antimicrobial Barrier Film Dressing & Island DressingMaersk Medical, Ltd. · 1999
  3. 1 generation backK041268 Silversite or CalgitrolAdri · 2004
  4. This deviceK173072 Algidex Ag Silver Alginate Wound DressingDeroyal Industries, Inc. · 2018
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K970566Arglaes Film DressingMaersk Medical, Ltd.1997—
−2K990810Arglaes-AB Antimicrobial Barrier Film Dressing & Island DressingMaersk Medical, Ltd.1999—
−1K041268Silversite or CalgitrolAdri2004—
0 (this device)K173072Algidex Ag Silver Alginate Wound DressingDeroyal Industries, Inc.2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199710
200210
FIG. 1 — Lineage of K173072, 1997–2018Source: 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 FRO? 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 FRO device

  1. #1 K261023 Microdacyn Wound Irrigation Solutionscore 15.5 · 14 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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
*K041268Silversite or Calgitrol
Summary page 4
…Unclassified Classification Panel: General & Plastic Surgery Predicate Devices: SilverSite [K041268] (Primary Predicate)…
Adri2004—
*K011618Calgitrol AG Silver Alginate Wound Dressing
Summary page 4
…Predicate) Calgitrol Ag Silver Alginate Wound Dressing [K011618] Device Description Algidex Ag® silver alginate wound dressings are an antimicr…
Adri2002—

Also cleared against K041268: 1 other device →

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.

What does this lineage say?

  • The line of descent spans 21 years and passes through 3 companies; a new generation was cleared every 5.0 years on median.
  • None of the 5 ancestors has a recall.
  • 1 other device also cites its predicate K041268.

How does its category compare?

All FRO devices

FRO Dressing, Wound, Drug: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · FRO

11in 2025

2007: 292008: 262009: 312010: 312011: 272012: 242013: 192014: 222015: 282016: 282017: 232018: 202019: 162020: 122021: 82022: 92023: 182024: 242025: 112026 (partial year): 17
2007high 31 (2009) · low 8 (2021)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FRO

176in 2025

2007: 187 days median2008: 130 days median2009: 136 days median2010: 146 days median2011: 177 days median2012: 96 days median2013: 194 days median2014: 214 days median2015: 249 days median2016: 222 days median2017: 147 days median2018: 206 days median2019: 270 days median2020: 226 days median2021: 275 days median2022: 332 days median2023: 283 days median2024: 263 days median2025: 176 days median2026 (partial year): 254 days median
2007high 332 (2022) · low 96 (2012)2026

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

Recalls per year · FRO

2in 2024

2007: 42008: 12009: 12011: 42013: 12014: 12015: 22016: 32017: 12019: 12021: 62022: 22023: 2, 2 Class I2024: 22026 (partial year): 2
2007high 6 (2021) · low 0 (2010)2026

Class I (2 since 2007) Class II/III not classified

Adverse event reports per year · FRO

192in 2025

2007: 552008: 302009: 452010: 1222011: 422012: 652013: 1392014: 2692015: 2972016: 1472017: 1492018: 1282019: 1362020: 1392021: 1832022: 1762023: 1982024: 2322025: 192
2007high 297 (2015) · low 30 (2008)2025

MAUDE reports naming product code FRO, 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
200729187455
200826130130
200931136145
2010311460122
201127177442
20122496065
2013191941139
2014222141269
2015282492297
2016282223147
2017231471149
2018202060128
2019162701136
2020122260139
202182756183
202293322176
2023182832 (2)198
2024242632232
2025111760192
2026172542—

What is it indicated for?

Abrasions and lacerations, dermal wounds, donor sites, first- and second-degree burns, surgical incisions, vascular access sites, pressure ulcers stages I-IV, stasis ulcers, venous ulcers.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K173072: Algidex Ag Silver Alginate Wound Dressing.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K173072

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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