510(k) Report

510(k) · Cleared

Cleared

Nxstage 1.6M2 Dialyzer

K131050510(k) TraditionalCleared Dec 27, 2013256-day reviewClass II21 CFR 876.5860

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

Nxstage Medical, Inc. · KDI Dialyzer, High Permeability With Or Without Sealed Dialysate System

Cleared on Dec 27, 2013 as substantially equivalent to K061837 (Nxstage Medical, Inc., 2006) and 2 other predicates after a 256-day review. Its family tree reaches back 7 generations to 2001.

Decided
Dec 27, 2013
Review
256 days
Class
Class II
Product code
KDI
Recalls
None
Predicates
3

Its longest line of descent runs back 7 generations to K001283 (2001). 24 ancestors in all, the oldest K872364 (1987). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2012: 1 other ancestor2006: 1 other ancestor2005: 1 other ancestor2003: 2 other ancestors1998: 2 other ancestors1994: 2 other ancestors1989: 1 other ancestor2002: 1 other ancestor1997: 2 other ancestors2001: 1 other ancestor1999: 1 other ancestor1987: 1 other ancestor1991: 1 other ancestorK001283 · Lifemate Hemofiltration System · Nxstage Medical, Inc. · 2001K012510 · Modification to: Lifemate Hemofiltration System · Nxstage Medical, Inc. · 2001K020858 · Nxstage Therapy System · Nxstage Medical, Inc. · 2002K030470 · Nxstage System One · Nxstage Medical, Inc. · 2003K041424 · Nxstage System One · Nxstage Medical, Inc. · 2004K050525 · Nxstage System One · Nxstage Medical, Inc. · 2005 · recalledK062079 · Xenium Dialyzer, Models 110, 130, 150, 170, 190 and 210 · Baxter Healthcare Corporation · 20061985199019952000200520102015
  1. Root · 7 generations backK001283 Lifemate Hemofiltration SystemNxstage Medical, Inc. · 2001
  2. 6 generations backK012510 Modification to: Lifemate Hemofiltration SystemNxstage Medical, Inc. · 2001
  3. 5 generations backK020858 Nxstage Therapy SystemNxstage Medical, Inc. · 2002
  4. 4 generations backK030470 Nxstage System OneNxstage Medical, Inc. · 2003
  5. 3 generations backK041424 Nxstage System OneNxstage Medical, Inc. · 2004
  6. 2 generations backK050525 Nxstage System OneNxstage Medical, Inc. · 2005 · Recalled
  7. 1 generation backK062079 Xenium Dialyzer, Models 110, 130, 150, 170, 190 and 210Baxter Healthcare Corporation · 2006
  8. This deviceK131050 Nxstage 1.6M2 DialyzerNxstage Medical, Inc. · 2013
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K001283Lifemate Hemofiltration SystemNxstage Medical, Inc.2001—
−6K012510Modification to: Lifemate Hemofiltration SystemNxstage Medical, Inc.2001—
−5K020858Nxstage Therapy SystemNxstage Medical, Inc.2002—
−4K030470Nxstage System OneNxstage Medical, Inc.2003—
−3K041424Nxstage System OneNxstage Medical, Inc.2004—
−2K050525Nxstage System OneNxstage Medical, Inc.20052
−1K062079Xenium Dialyzer, Models 110, 130, 150, 170, 190 and 210Baxter Healthcare Corporation2006—
0 (this device)K131050Nxstage 1.6M2 DialyzerNxstage Medical, Inc.2013—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198710
198910
199110
199420
199720
199820
199910
200110
200210
200320
200510
200610
201210
FIG. 1 — Lineage of K131050, 2001–2013Source: 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 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. #1 K243874 FX CorAL 60 (F00012969); FX CorAL 80…score 18.2 · 12 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? (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.

TypeNumberDeviceApplicantDecidedRecalls
*K061837Nxstage Cartridge Express
Summary page 2
…11 Device Panel: Gastroenterology-Urology (GU)I Gastro-Renal (GROB) D. Predicate Devices: K061837 NxStage Cartridge Express K1 13023 NxStage Streamline Airless System Set w/ Pre-Attached Dialyzer K<062079 Baxter Xenium Di…
Nxstage Medical, Inc.20061
*K113023Streamline Airless System Set with Pre-Attached Dialyzer
Summary page 2
…Gastroenterology-Urology (GU)I Gastro-Renal (GROB) D. Predicate Devices: K061837 NxStage Cartridge Express K1 13023 NxStage Streamline Airless System Set w/ Pre-Attached Dialyzer K<062079 Baxter Xenium Dialyzer E. Substantial Equivalence:…
Nxstage Medical, Inc.2012—
*K062079Xenium Dialyzer, Models 110, 130, 150, 170, 190 and 210
Summary page 4
…Dialyzer Cartridge Pre-attched Dlalyzer 150 Express dialyzer (K062079) (1(061837) (K(113023) Connectors Standard Blood and…
Baxter Healthcare Corporation2006—

Also cleared against K061837: 3 other devices →

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 12 years and passes through 2 companies; a new generation was cleared every 12 months on median.
  • 3 of the 24 ancestors have a recall of any class.
  • 3 other devices also cite its predicate K061837.

How does its category compare?

All KDI devices

KDI Dialyzer, High Permeability With Or Without Sealed Dialysate System: FDA decisions, review times, recalls and adverse event reports over 20 years. 2013, this device’s year, is highlighted.

FDA decisions per year · KDI

9in 2025

2007: 112008: 62009: 42010: 92011: 52012: 62013: 112014: 82015: 52016: 52017: 82018: 22019: 42020: 92021: 22022: 72023: 72024: 72025: 92026 (partial year): 6
2007high 11 (2007) · low 2 (2018)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KDI

199in 2025

2007: 91 days median2008: 148 days median2009: 236 days median2010: 186 days median2011: 85 days median2012: 153 days median2013: 247 days median2014: 164 days median2015: 69 days median2016: 230 days median2017: 188 days median2019: 263 days median2020: 266 days median2022: 259 days median2023: 157 days median2024: 235 days median2025: 199 days median2026 (partial year): 154 days median
2007high 266 (2020) · low 69 (2015)2026

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

Recalls per year · KDI

2in 2025

2007: 42009: 32010: 12011: 42012: 12013: 22014: 32015: 52016: 42017: 12018: 12019: 62021: 22022: 172023: 8, 8 Class I2024: 4, 2 Class I2025: 22026 (partial year): 2
2007high 17 (2022) · low 0 (2008)2026

Class I (10 since 2007) Class II/III not classified

Adverse event reports per year · KDI

2,786in 2025

2007: 9162008: 1,0422009: 5222010: 8232011: 2,2702012: 1,7652013: 2,3602014: 6,1542015: 4,1822016: 7662017: 9632018: 1,7162019: 1,5872020: 1,6332021: 1,9442022: 2,1802023: 2,6922024: 2,4412025: 2,786
2007high 6,154 (2014) · low 522 (2009)2025

MAUDE reports naming product code KDI, 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
200711914916
2008614801,042
200942363522
201091861823
201158542,270
2012615311,765
20131124722,360
2014816436,154
201556954,182
201652304766
201781881963
20182—11,716
2019426361,587
2020926601,633
20212—21,944
20227259172,180
202371578 (8)2,692
202472354 (2)2,441
2025919922,786
202661542—

What is it indicated for?

The dialyzer is indicated for the treatment of acute and chronic renal failure or fluid overload using hemoflltration, hemodialysis. and/or ultrafiltration. There are no known contraindications.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K131050: Nxstage 1.6M2 Dialyzer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K131050

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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