510(k) · Cleared
ClearedKNH Surgical Face Mask
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Knh Surgical Face Mask · FXX Mask, Surgical
Cleared on Nov 16, 2022 as substantially equivalent to K160269 (San-M Package Co., Ltd., 2016) and 1 other predicate after a 714-day review. Its family tree reaches back 6 generations to 1987.
- Decided
- Nov 16, 2022
- Review
- 714 days
- Class
- Class II
- Product code
- FXX
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 6 generations to K874608 (1987). 8 ancestors in all, the oldest K801036 (1980). No later device cites it as a predicate yet.
- Root · 6 generations backK874608 Tecnol Fluid Shield Surgical MaskTecnol New Jersey Wound Care, Inc. · 1987
- 5 generations backK955556 Fluid Resistant MaskAmerican Threshold Healthcare · 1996
- 4 generations backK082258 Crosstex Isolite and Isofluid Earloop Face Masks and Isofluid…Crosstex International · 2008
- 3 generations backK110455 Kimberly-Clark Low Barrier, Astm 2100 Face MasksKimberly-Clark Corp. · 2011
- 2 generations backK111402 KC200, Surgical Mask, KC200, Procedure Mask, KC300, Surgicalmask…Kimberly-Clark · 2011
- 1 generation backK160269 Surgical Face Masks (Ear loops and Tie-on)San-M Package Co., Ltd. · 2016
- This deviceK203528 KNH Surgical Face MaskKnh Surgical Face Mask · 2022
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K874608 | Tecnol Fluid Shield Surgical Mask | Tecnol New Jersey Wound Care, Inc. | 1987 | — |
| −5 | K955556 | Fluid Resistant Mask | American Threshold Healthcare | 1996 | — |
| −4 | K082258 | Crosstex Isolite and Isofluid Earloop Face Masks and Isofluid Fogfree Face… | Crosstex International | 2008 | — |
| −3 | K110455 | Kimberly-Clark Low Barrier, Astm 2100 Face Masks | Kimberly-Clark Corp. | 2011 | — |
| −2 | K111402 | KC200, Surgical Mask, KC200, Procedure Mask, KC300, Surgicalmask, Fluidshield… | Kimberly-Clark | 2011 | — |
| −1 | K160269 | Surgical Face Masks (Ear loops and Tie-on) | San-M Package Co., Ltd. | 2016 | — |
| 0 (this device) | K203528 | KNH Surgical Face Mask | Knh Surgical Face Mask | 2022 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1980 | 1 | 0 |
| 1991 | 1 | 0 |
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 K201479 DemeMASKscore 40.2 · 6 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K160269 | Surgical Face Masks (Ear loops and Tie-on)Summary page 4…Classification Panel: General & Plastic Surgery Product Code: FXX 4. Identification of the Predicate Device: 510(k) Number: K160269 Predicate Name: Surgical Face Masks (Ear loops and Tie‐on) Common Name: Surgical Mask… | 2016 |
| * | K110455 | Kimberly-Clark Low Barrier, Astm 2100 Face MasksSummary page 5…M2 and 1MMAB50DN3 differ in the thickness of the filter web layer. 7. Technical Comparison: Subject device (K203528) Predicate (K110455) Comparison Manufacturer KNH Enterprise Co., Ltd. San‐M Package Co., Ltd.… | 2011 |
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 35 years and passes through 7 companies; a new generation was cleared every 6.2 years on median.
- 1 of the 8 ancestors has a recall of any class.
- 38 other devices also cite its predicate K160269.
How does its category compare?
All FXX devicesFXX Mask, Surgical: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.
FDA decisions per year · FXX
6in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · FXX
123in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · FXX
2in 2024
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · FXX
11in 2025
MAUDE reports naming product code FXX, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 2 | — | 0 | 11 |
| 2008 | 2 | — | 0 | 10 |
| 2009 | 1 | — | 0 | 3 |
| 2010 | 7 | 144 | 0 | 9 |
| 2011 | 6 | 137 | 0 | 8 |
| 2012 | 1 | — | 0 | 22 |
| 2013 | 3 | 219 | 0 | 9 |
| 2014 | 1 | — | 0 | 5 |
| 2015 | 5 | 298 | 0 | 14 |
| 2016 | 5 | 268 | 0 | 16 |
| 2017 | 1 | — | 0 | 45 |
| 2018 | 3 | 119 | 0 | 21 |
| 2019 | 4 | 124 | 2 | 23 |
| 2020 | 27 | 113 | 0 | 60 |
| 2021 | 218 | 162 | 0 | 67 |
| 2022 | 91 | 113 | 0 | 21 |
| 2023 | 22 | 139 | 1 | 21 |
| 2024 | 15 | 263 | 2 | 21 |
| 2025 | 6 | 123 | 0 | 11 |
| 2026 | 5 | 142 | 0 | — |
What is it indicated for?
The KNH Surgical Face Mask is intended to protect both patient and healthcare workers from the transfer of microorganisms, body fluids and particulate matter. This device is non-sterile and for single use only.
Models: 1MMAB50DM2 (Level 1), 1MMAB50DM3 (Level 2)
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K203528 · printed Nov 4, 2026
Cite this page
510(k) Report. “K203528: KNH Surgical Face Mask.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K203528
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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