510(k) Report

510(k) · Cleared

Cleared

Fiberflo Hollow Fiber Capsule Water Filters

K983126510(k) TraditionalCleared Mar 8, 1999181-day reviewClass II21 CFR 876.5665

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

Minntech Corp. · FIP Subsystem, Water Purification

Cleared on Mar 8, 1999 after a 181-day review. The FDA summary names its predicate without a number. 8 later devices descend from it.

Decided
Mar 8, 1999
Review
181 days
Class
Class II
Product code
FIP
Recalls
None
Predicates
0

8 later devices descend from it, 3 citing it directly.

Descendants, by year cleared 2009: 1 descendant cleared2012: 1 descendant cleared2006: 1 descendant cleared2024: 2 descendants cleared2022: 1 descendant cleared2025: 2 descendants cleared1995200020052010201520202025
  1. This deviceK983126 Fiberflo Hollow Fiber Capsule Water FiltersMinntech Corp. · 1999
  2. Descendant · cites it directly · 6 of its ownK090885 Nephros, Inc., Dsu Dual Stage UltrafilterNephros, Inc. · 2009
  3. Descendant · cites it directly · 5 of its ownK112314 Nephros Olpur H2H Hemodiafiltration (HDF) Module and Olpur MD 220…Nephros, Inc. · 2012
  4. Descendant · 2 generations on · 2 of its ownK231534 5008X Hemodialysis SystemFresenius Medical Care · 2024 · Recalled
  5. Descendant · 3 generations on · 1 of its ownK243505 5008X Hemodialysis SystemFresenius Medical Care Renal Therapies Group, LLC · 2025 · Recalled
  6. Descendant · 2 generations on · 1 of its ownK210575 HDF Assist Mudule, HDF Infusion Set and Substitution FilterNephros · 2022

Showing 5 of 8 descendants. See all descendants

Descendants cleared per year

2006: 12009: 12012: 12022: 12024: 22025: 2
2006high 2 (2024) · low 0 (2007)2026

Most influential descendants

Showing 5 of 8 · See all
  • K090885Nephros, Inc., Dsu Dual Stage UltrafilterNephros, Inc. · 2009 · cites it directly6descendants
  • K112314Nephros Olpur H2H Hemodiafiltration (HDF) Module and Olpur MD 220 HemodiafilterNephros, Inc. · 2012 · cites it directly5descendants
  • K2315345008X Hemodialysis SystemFresenius Medical Care · 2024 · 2 generations on2descendants
  • K2435055008X Hemodialysis SystemFresenius Medical Care Renal Therapies Group, LLC · 2025 · 3 generations on1descendant
  • K210575HDF Assist Mudule, HDF Infusion Set and Substitution FilterNephros · 2022 · 2 generations on1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K983126Fiberflo Hollow Fiber Capsule Water FiltersMinntech Corp.1999—
+1K090885Nephros, Inc., Dsu Dual Stage UltrafilterNephros, Inc.2009—
+1K112314Nephros Olpur H2H Hemodiafiltration (HDF) Module and Olpur MD 220 HemodiafilterNephros, Inc.2012—
+2K2315345008X Hemodialysis SystemFresenius Medical Care20241
+3K2435055008X Hemodialysis SystemFresenius Medical Care Renal Therapies Group, LLC20256
+2K210575HDF Assist Mudule, HDF Infusion Set and Substitution FilterNephros2022—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200610
200910
201210
202210
202420
202520
FIG. 1 — Lineage of K983126, 1999–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 FIP? 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 FIP device

  1. #1 K251851 DIASAFEplusUS (F00013010)score 14.0 · 14 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? (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.

TypeNumberDeviceApplicantDecidedRecalls
*—FiberFlo™ Hollow Fiber Water Filters
Named without a submission number
—

What descends from it? (8)

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

NumberDeviceApplicantDecidedDescendants
K090885Nephros, Inc., Dsu Dual Stage UltrafilterNephros, Inc.20096
K112314Nephros Olpur H2H Hemodiafiltration (HDF) Module and Olpur MD 220 HemodiafilterNephros, Inc.20125
K052764Diacap Ultra Dialysis Fluid FilterB. Braun Medizintechnologie GmbH20060

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?

  • Of its descendants, K090885 (Nephros, Inc., 2009) has gone furthest, with 6 descendants of its own.

How does its category compare?

All FIP devices

FIP Subsystem, Water Purification: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · FIP

4in 2025

2007: 12008: 32009: 32010: 22011: 42012: 22013: 42014: 42015: 22016: 22017: 12018: 12019: 22020: 12021: 12022: 12023: 32024: 12025: 4
2007high 4 (2011) · low 1 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FIP

88in 2025

2008: 202 days median2009: 167 days median2011: 116 days median2013: 125 days median2014: 126 days median2023: 69 days median2025: 88 days median
2007high 202 (2008) · low 69 (2023)2026

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

Recalls per year · FIP

1in 2020

2020: 1
2007high 1 (2020) · low 0 (2007)2026

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

Adverse event reports per year · FIP

77in 2025

2007: 12008: 52010: 122011: 42012: 42013: 412014: 342015: 122016: 32017: 62018: 32019: 132020: 122021: 352022: 572023: 1402024: 1742025: 77
2007high 174 (2024) · low 0 (2009)2025

MAUDE reports naming product code FIP, 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
20071—01
2008320205
2009316700
20102—012
2011411604
20122—04
20134125041
20144126034
20152—012
20162—03
20171—06
20181—03
20192—013
20201—112
20211—035
20221—057
20233690140
20241—0174
2025488077
20260—0—

What is it indicated for?

The FiberFlo™ Capsule Water Filter is intended to filter bacteria, endotoxin

and particulate matter from water used for hemodialysis applications.

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. “K983126: Fiberflo Hollow Fiber Capsule Water Filters.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K983126

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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