510(k) Report

510(k) · Cleared

Cleared

Fluid Resistant Mask

K955556510(k) TraditionalCleared Apr 25, 1996142-day reviewClass II21 CFR 878.4040

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

American Threshold Healthcare · FXX Mask, Surgical

Cleared on Apr 25, 1996 as substantially equivalent to K874608 (Tecnol New Jersey Wound Care, Inc., 1987) and 1 other predicate after a 142-day review. Its family tree reaches back 1 generation to 1987. 329 later devices descend from it.

Decided
Apr 25, 1996
Review
142 days
Class
Class II
Product code
FXX
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K874608 (1987). 2 ancestors in all. 329 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1991: 1 other ancestor2002: 1 descendant cleared2008: 1 descendant cleared2003: 1 descendant cleared2005: 2 descendants cleared2010: 4 descendants cleared2004: 1 descendant cleared2023: 17 descendants cleared2024: 13 descendants cleared2011: 5 descendants cleared2006: 1 descendant cleared2015: 4 descendants cleared2021: 165 descendants cleared2022: 75 descendants cleared2012: 1 descendant cleared2016: 4 descendants cleared2020: 17 descendants cleared2013: 1 descendant cleared2007: 1 descendant cleared2026: 4 descendants cleared2014: 1 descendant cleared2025: 4 descendants cleared2019: 5 descendants cleared2018: 1 descendant clearedReference device: K801036 · Surgical Mask · American Threshold Industries, Inc. · 1980 · recalledK874608 · Tecnol Fluid Shield Surgical Mask · Tecnol New Jersey Wound Care, Inc. · 19871990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 9 descendants3 generations forward: 28 descendants4 generations forward: 67 descendants5 generations forward: 46 descendants6 generations forward: 56 descendants7 generations forward: 76 descendants8 generations forward: 35 descendants9 generations forward: 7 descendants10 generations forward: 3 descendants K874608 · Tecnol Fluid Shield Surgical Mask · Tecnol New Jersey Wound Care, Inc. · 19870+5+10
  1. Root · 1 generation backK874608 Tecnol Fluid Shield Surgical MaskTecnol New Jersey Wound Care, Inc. · 1987
  2. This deviceK955556 Fluid Resistant MaskAmerican Threshold Healthcare · 1996
  3. Descendant · cites it directly · 299 of its ownK082258 Crosstex Isolite and Isofluid Earloop Face Masks and Isofluid…Crosstex International · 2008
  4. Descendant · 2 generations on · 289 of its ownK110455 Kimberly-Clark Low Barrier, Astm 2100 Face MasksKimberly-Clark Corp. · 2011
  5. Descendant · 3 generations on · 262 of its ownK111402 KC200, Surgical Mask, KC200, Procedure Mask, KC300, Surgicalmask…Kimberly-Clark · 2011
  6. Descendant · 3 generations on · 185 of its ownK131879 KC 300 Surgical MaskKimberly-Clark Corp. · 2013 · Recalled
  7. Descendant · 4 generations on · 170 of its ownK133070 SURGICAL FACE MASK (Ear Loops and Tie-on)Bh Medical Products Co., Ltd. · 2015

Showing 5 of 329 descendants. See all descendants

Descendants cleared per year

2002: 12003: 12004: 12005: 22006: 12007: 12008: 12010: 42011: 52012: 12013: 12014: 12015: 42016: 42018: 12019: 52020: 172021: 1652022: 752023: 172024: 132025: 42026: 4
2002high 165 (2021) · low 0 (2009)2026

Most influential descendants

Showing 5 of 329 · See all
  • K082258Crosstex Isolite and Isofluid Earloop Face Masks and Isofluid Fogfree Face Masks with…Crosstex International · 2008 · cites it directly299descendants
  • K110455Kimberly-Clark Low Barrier, Astm 2100 Face MasksKimberly-Clark Corp. · 2011 · 2 generations on289descendants
  • K111402KC200, Surgical Mask, KC200, Procedure Mask, KC300, Surgicalmask, Fluidshield, KC300…Kimberly-Clark · 2011 · 3 generations on262descendants
  • K131879KC 300 Surgical MaskKimberly-Clark Corp. · 2013 · 3 generations on185descendants
  • K133070SURGICAL FACE MASK (Ear Loops and Tie-on)Bh Medical Products Co., Ltd. · 2015 · 4 generations on170descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K874608Tecnol Fluid Shield Surgical MaskTecnol New Jersey Wound Care, Inc.1987—
0 (this device)K955556Fluid Resistant MaskAmerican Threshold Healthcare1996—
+1K082258Crosstex Isolite and Isofluid Earloop Face Masks and Isofluid Fogfree Face…Crosstex International2008—
+2K110455Kimberly-Clark Low Barrier, Astm 2100 Face MasksKimberly-Clark Corp.2011—
+3K111402KC200, Surgical Mask, KC200, Procedure Mask, KC300, Surgicalmask, Fluidshield…Kimberly-Clark2011—
+3K131879KC 300 Surgical MaskKimberly-Clark Corp.20131
+4K133070SURGICAL FACE MASK (Ear Loops and Tie-on)Bh Medical Products Co., Ltd.2015—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200210
200310
200410
200520
200610
200710
200810
201040
201150
201210
201310
201410
201540
201640
201810
201950
2020170
20211650
2022750
2023170
2024130
202540
202640
FIG. 1 — Lineage of K955556, 1987–2026Source: 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 FXX? 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 FXX device

  1. #1 K201479 DemeMASKscore 40.2 · 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
*K874608Tecnol Fluid Shield Surgical Mask
Summary page 1
…riginal - December 4, 1995 Device Name: Fluid Resistant Mask Classification Name: MASK, SURGICAL Predicate Device(s): 1. Tecnol Fluid Resistant Surgical Mask, 510 (k) #K874608, dated December 2, 1987. 2. 3M Fluid Resistant Mask, 510 (k) #K910110, dated March 20, 1991 Device Description: The Fluid Resi…
Tecnol New Jersey Wound Care, Inc.1987—
*K910110Triple Layer Fluid-Resistant Molded Face Mask
Summary page 1
…ation Name: MASK, SURGICAL Predicate Device(s): 1. Tecnol Fluid Resistant Surgical Mask, 510 (k) #K874608, dated December 2, 1987. 2. 3M Fluid Resistant Mask, 510 (k) #K910110, dated March 20, 1991 Device Description: The Fluid Resistant Masks are constructed of a light weight spunbonded polyolefin or…
3M Company1991—
†K801036Surgical MaskAmerican Threshold Industries, Inc.19801

Also cleared against K874608: 1 other device →

What descends from it? (329)

See all 329

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

NumberDeviceApplicantDecidedDescendants
K082258Crosstex Isolite and Isofluid Earloop Face Masks and Isofluid Fogfree Face Masks with…Crosstex International2008299
K012602Crosstex Isolite Earloop Face Masks-Blue, Pink, Crosstex Isofluid Earloop Face…Crosstex Intl.200228

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, K082258 (Crosstex International, 2008) has gone furthest, with 299 descendants of its own.
  • 1 other device also cites its predicate K874608.

How does its category compare?

All FXX devices

FXX Mask, Surgical: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · FXX

6in 2025

2007: 22008: 22009: 12010: 72011: 62012: 12013: 32014: 12015: 52016: 52017: 12018: 32019: 42020: 272021: 2182022: 912023: 222024: 152025: 62026 (partial year): 5
2007high 218 (2021) · low 1 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FXX

123in 2025

2010: 144 days median2011: 137 days median2013: 219 days median2015: 298 days median2016: 268 days median2018: 119 days median2019: 124 days median2020: 113 days median2021: 162 days median2022: 113 days median2023: 139 days median2024: 263 days median2025: 123 days median2026 (partial year): 142 days median
2007high 298 (2015) · low 113 (2020)2026

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

Recalls per year · FXX

2in 2024

2019: 22023: 12024: 2
2007high 2 (2019) · low 0 (2007)2026

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

Adverse event reports per year · FXX

11in 2025

2007: 112008: 102009: 32010: 92011: 82012: 222013: 92014: 52015: 142016: 162017: 452018: 212019: 232020: 602021: 672022: 212023: 212024: 212025: 11
2007high 67 (2021) · low 3 (2009)2025

MAUDE reports naming product code FXX, 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
20072—011
20082—010
20091—03
2010714409
2011613708
20121—022
2013321909
20141—05
20155298014
20165268016
20171—045
20183119021
20194124223
202027113060
2021218162067
202291113021
202322139121
202415263221
20256123011
202651420—

What is it indicated for?

This product is intended for use in infection control practices to minimize contamination caused by exhaled microorganisms and reduce the potential exposure of the wearer to blood and body fluids.

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. “K955556: Fluid Resistant Mask.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K955556

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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