510(k) · Cleared
ClearedNAFD 100
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Neomatrix, LLC · KNW Instrument, Biopsy
Cleared on Sep 23, 2002 as substantially equivalent to K000135 (Pro. Duct Health, Inc., 2000) and 2 other predicates after a 192-day review. Its family tree reaches back 1 generation to 1995.
- Decided
- Sep 23, 2002
- Review
- 192 days
- Class
- Class II
- Product code
- KNW
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 1 generation to K950750 (1995). 3 ancestors in all. No later device cites it as a predicate yet.
- Root · 1 generation backK950750 Medelas Breast PumpMedela, Inc. · 1995 · Recalled
- This deviceK020848 NAFD 100Neomatrix, LLC · 2002
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K950750 | Medelas Breast Pump | Medela, Inc. | 1995 | 1 |
| 0 (this device) | K020848 | NAFD 100 | Neomatrix, LLC | 2002 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 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 KNW? 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 KNW device
- #1 K260572 Marrow Marxmanscore 14.5 · 10 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (3)
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 |
|---|---|---|---|
| * | K000135 | Pro.Duct Catheter, Model CTH03 | 2000 |
| * | K012088 | Nastech Mammary Aspiration Speciman Cytology Test Masct | 2001 |
| * | K950750 | Medelas Breast PumpSummary page 1…Medela, Inc Name: Medela's Breast Pump Status: Currently in commercial distribution 51O(k) # K950750 Device Description: The NAFD 100 is intended to non-invasively extract samples of breast duct fluid for breast cancer screening,… | 1995 |
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?
- 1 of the 3 ancestors has a recall of any class.
How does its category compare?
All KNW devicesKNW Instrument, Biopsy: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KNW
12in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KNW
178in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KNW
1in 2024
Class I (4 since 2007) Class II/III not classified
Adverse event reports per year · KNW
1,667in 2025
MAUDE reports naming product code KNW, 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 | 6 | 94 | 1 | 766 |
| 2008 | 4 | 53 | 7 | 363 |
| 2009 | 6 | 35 | 3 | 351 |
| 2010 | 3 | 57 | 2 | 162 |
| 2011 | 10 | 64 | 5 | 67 |
| 2012 | 7 | 94 | 1 | 93 |
| 2013 | 3 | 100 | 1 (1) | 98 |
| 2014 | 8 | 95 | 3 | 193 |
| 2015 | 10 | 106 | 0 | 591 |
| 2016 | 9 | 127 | 5 | 297 |
| 2017 | 8 | 90 | 1 | 760 |
| 2018 | 7 | 71 | 0 | 1,012 |
| 2019 | 5 | 94 | 4 | 4,195 |
| 2020 | 8 | 92 | 0 | 5,120 |
| 2021 | 9 | 54 | 3 | 1,020 |
| 2022 | 8 | 203 | 3 | 535 |
| 2023 | 7 | 164 | 2 | 931 |
| 2024 | 5 | 114 | 1 | 1,283 |
| 2025 | 12 | 178 | 0 | 1,667 |
| 2026 | 7 | 29 | 4 (3) | — |
What is it indicated for?
The NAFD 100 (and its components) is indicated for the collection of nipple aspirate fluid for cytological evaluation. The collected fluid can be used in the determination and/or differentiation of normal versus pre-malignant versus malignant cells.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K020848 · printed Nov 4, 2026
Cite this page
510(k) Report. “K020848: NAFD 100.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K020848
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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