510(k) · Cleared
ClearedmultiFlux 1000 (F00012408)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Fresenius Medical Care Renal Therapies Group, LLC · KDI Dialyzer, High Permeability With Or Without Sealed Dialysate System
Cleared on May 31, 2024 as substantially equivalent to K220721 (Fresenius Medical Care Renal Therapies Group, LLC, 2023) after a 113-day review. Its family tree reaches back 12 generations to 2001. 1 later device descends from it.
- Decided
- May 31, 2024
- Review
- 113 days
- Class
- Class II
- Product code
- KDI
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 12 generations to K001283 (2001). 35 ancestors in all, the oldest K872364 (1987). 1 later device descends from it, 1 citing it directly.
- Root · 12 generations backK001283 Lifemate Hemofiltration SystemNxstage Medical, Inc. · 2001
- 8 generations between
- 3 generations backK152367 Optiflux dialyzerFresenius Medical Care North America · 2015 · Recalled
- 2 generations backK162488 Optiflux dialyzerFresenius Medical Care North America · 2017 · Recalled
- 1 generation backK220721 FX CorAL 60, FX CorAL 80, FX CorAL 100, FX CorAL 120, FX CorAL 600…Fresenius Medical Care Renal Therapies Group, LLC · 2023
- This deviceK240394 multiFlux 1000 (F00012408)Fresenius Medical Care Renal Therapies Group, LLC · 2024
- Descendant · cites it directly · 0 of its ownK252459 multiFlux 130 (F00013123); multiFlux 160 (F00013124)Fresenius Medical Care Renal Therapies Group, LLC · 2026
Show all 12 generations
- Root · 12 generations backK001283 Lifemate Hemofiltration SystemNxstage Medical, Inc. · 2001
- 11 generations backK012510 Modification to: Lifemate Hemofiltration SystemNxstage Medical, Inc. · 2001
- 10 generations backK020858 Nxstage Therapy SystemNxstage Medical, Inc. · 2002
- 9 generations backK030470 Nxstage System OneNxstage Medical, Inc. · 2003
- 8 generations backK041424 Nxstage System OneNxstage Medical, Inc. · 2004
- 7 generations backK050525 Nxstage System OneNxstage Medical, Inc. · 2005 · Recalled
- 6 generations backK062079 Xenium Dialyzer, Models 110, 130, 150, 170, 190 and 210Baxter Healthcare Corporation · 2006
- 5 generations backK082414 Optiflux F250NR, Model 0500325EFresenius Medical Care North America · 2008 · Recalled
- 4 generations backK123262 Optiflux Ultra DialyzerFresenius Medical Care North America · 2014
- 3 generations backK152367 Optiflux dialyzerFresenius Medical Care North America · 2015 · Recalled
- 2 generations backK162488 Optiflux dialyzerFresenius Medical Care North America · 2017 · Recalled
- 1 generation backK220721 FX CorAL 60, FX CorAL 80, FX CorAL 100, FX CorAL 120, FX CorAL 600…Fresenius Medical Care Renal Therapies Group, LLC · 2023
- This deviceK240394 multiFlux 1000 (F00012408)Fresenius Medical Care Renal Therapies Group, LLC · 2024
Most influential descendants
Showing 1 of 1 · See all- K252459multiFlux 130 (F00013123); multiFlux 160 (F00013124)Fresenius Medical Care Renal Therapies Group, LLC · 2026 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −12 | K001283 | Lifemate Hemofiltration System | Nxstage Medical, Inc. | 2001 | — |
| −11 | K012510 | Modification to: Lifemate Hemofiltration System | Nxstage Medical, Inc. | 2001 | — |
| −10 | K020858 | Nxstage Therapy System | Nxstage Medical, Inc. | 2002 | — |
| −9 | K030470 | Nxstage System One | Nxstage Medical, Inc. | 2003 | — |
| −8 | K041424 | Nxstage System One | Nxstage Medical, Inc. | 2004 | — |
| −7 | K050525 | Nxstage System One | Nxstage Medical, Inc. | 2005 | 2 |
| −6 | K062079 | Xenium Dialyzer, Models 110, 130, 150, 170, 190 and 210 | Baxter Healthcare Corporation | 2006 | — |
| −5 | K082414 | Optiflux F250NR, Model 0500325E | Fresenius Medical Care North America | 2008 | 3 |
| −4 | K123262 | Optiflux Ultra Dialyzer | Fresenius Medical Care North America | 2014 | — |
| −3 | K152367 | Optiflux dialyzer | Fresenius Medical Care North America | 2015 | 1 |
| −2 | K162488 | Optiflux dialyzer | Fresenius Medical Care North America | 2017 | 4 |
| −1 | K220721 | FX CorAL 60, FX CorAL 80, FX CorAL 100, FX CorAL 120, FX CorAL 600, FX CorAL… | Fresenius Medical Care Renal Therapies Group, LLC | 2023 | — |
| 0 (this device) | K240394 | multiFlux 1000 (F00012408) | Fresenius Medical Care Renal Therapies Group, LLC | 2024 | — |
| +1 | K252459 | multiFlux 130 (F00013123); multiFlux 160 (F00013124) | Fresenius Medical Care Renal Therapies Group, LLC | 2026 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1987 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1994 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2003 | 3 | 0 |
| 2004 | 2 | 0 |
| 2005 | 2 | 0 |
| 2009 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2026 | 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 KDI? 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 KDI device
- #1 K243874 FX CorAL 60 (F00012969); FX CorAL 80…score 18.2 · 12 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (1)
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 |
|---|---|---|---|
| * | K220721 | FX CorAL 60, FX CorAL 80, FX CorAL 100, FX CorAL 120, FX CorAL 600, FX CorAL 800, FX…Summary page 4…erology/Urology 1.3. Legally Marketed Predicate Device The legally marketed predicate device for the proposed multiFlux 1000 dialyzers is the FX CorAL dialyzers (K220721). This device is not currently subject to a design-related recall. The Fresenius Optiflux dialyzer (K203062) is being used as a r… | 2023 |
| † | K203062 | Optiflux Series of Dialyzers F160NR, F180NR, F200NR | 2020 |
| † | K232803 | NxStage System One with Cartridge Express (CAR-170-E and CAR-172-E) | 2024 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K252459 | multiFlux 130 (F00013123); multiFlux 160 (F00013124) | 2026 | 0 |
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 23 years and passes through 4 companies; a new generation was cleared every 1.3 years on median.
- 9 of the 35 ancestors have a recall of any class.
- Of its descendants, K252459 (Fresenius Medical Care Renal Therapies Group, LLC, 2026) has gone furthest, with 0 descendants of its own.
- 2 other devices also cite its predicate K220721.
How does its category compare?
All KDI devicesKDI Dialyzer, High Permeability With Or Without Sealed Dialysate System: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.
FDA decisions per year · KDI
9in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KDI
199in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KDI
2in 2025
Class I (10 since 2007) Class II/III not classified
Adverse event reports per year · KDI
2,786in 2025
MAUDE reports naming product code KDI, 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 | 11 | 91 | 4 | 916 |
| 2008 | 6 | 148 | 0 | 1,042 |
| 2009 | 4 | 236 | 3 | 522 |
| 2010 | 9 | 186 | 1 | 823 |
| 2011 | 5 | 85 | 4 | 2,270 |
| 2012 | 6 | 153 | 1 | 1,765 |
| 2013 | 11 | 247 | 2 | 2,360 |
| 2014 | 8 | 164 | 3 | 6,154 |
| 2015 | 5 | 69 | 5 | 4,182 |
| 2016 | 5 | 230 | 4 | 766 |
| 2017 | 8 | 188 | 1 | 963 |
| 2018 | 2 | — | 1 | 1,716 |
| 2019 | 4 | 263 | 6 | 1,587 |
| 2020 | 9 | 266 | 0 | 1,633 |
| 2021 | 2 | — | 2 | 1,944 |
| 2022 | 7 | 259 | 17 | 2,180 |
| 2023 | 7 | 157 | 8 (8) | 2,692 |
| 2024 | 7 | 235 | 4 (2) | 2,441 |
| 2025 | 9 | 199 | 2 | 2,786 |
| 2026 | 6 | 154 | 2 | — |
What is it indicated for?
The multiFlux 1000 dialyzers are intended for hemodialysis (HD), hemodiafiltration (HDF), hemofiltration (HF), and isolated ultrafiltration in patients with acute kidney injury when conservative therapy is judged to be inadequate.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K240394 · printed Nov 4, 2026
Cite this page
510(k) Report. “K240394: multiFlux 1000 (F00012408).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K240394
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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