510(k) · Cleared
ClearedGambro Polyflux Hemodialyzer, Model 6H
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Gambro Renal Products · KDI Dialyzer, High Permeability With Or Without Sealed Dialysate System
Cleared on Dec 9, 2005 as substantially equivalent to K030592 (Gambro Renal Care Products, 2003) and 1 other predicate after a 184-day review. Its family tree reaches back 3 generations to 1997. 1 later device descends from it.
- Decided
- Dec 9, 2005
- Review
- 184 days
- Class
- Class II
- Product code
- KDI
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 3 generations to K955592 (1997). 5 ancestors in all, the oldest K902481 (1990). 1 later device descends from it, 1 citing it directly.
- Root · 3 generations backK955592 Cobe Centrysystem 14 Pes HemodialyzersCobe Renal Care, Inc. · 1997
- 2 generations backK982414 Gambro Polyflux 11S, 14S, 17S & 21S Hemodialyzers/ HemofiltersGambro Healthcare · 1999
- 1 generation backK030592 Gambro Polyflux, Model 140H, 170H, 210HGambro Renal Care Products · 2003
- This deviceK051520 Gambro Polyflux Hemodialyzer, Model 6HGambro Renal Products · 2005
- Descendant · cites it directly · 0 of its ownK160558 Rapido Hollow-Fibre DialyzersBellco Srl · 2016
Most influential descendants
Showing 1 of 1 · See all- K160558Rapido Hollow-Fibre DialyzersBellco Srl · 2016 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K955592 | Cobe Centrysystem 14 Pes Hemodialyzers | Cobe Renal Care, Inc. | 1997 | — |
| −2 | K982414 | Gambro Polyflux 11S, 14S, 17S & 21S Hemodialyzers/ Hemofilters | Gambro Healthcare | 1999 | — |
| −1 | K030592 | Gambro Polyflux, Model 140H, 170H, 210H | Gambro Renal Care Products | 2003 | — |
| 0 (this device) | K051520 | Gambro Polyflux Hemodialyzer, Model 6H | Gambro Renal Products | 2005 | — |
| +1 | K160558 | Rapido Hollow-Fibre Dialyzers | Bellco Srl | 2016 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1990 | 2 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2016 | 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? (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 |
|---|---|---|---|
| * | K030592 | Gambro Polyflux, Model 140H, 170H, 210H Our OCR of the scanned summary read K030392, FDA’s number for Sapphire Detachable Coil System (Micro Therapeutics, Inc.). Corrected to the number one digit away whose FDA name carries the summary’s words for the device, “Polyflux 140H, 170H, 210H Hemodialyzer / Filter”. | 2003 |
| * | K904566 | New Cobe Centrysystem (TM) 100 HG Dialyzer Our OCR of the scanned summary read K904560, FDA’s number for Valleylab Laparoscopic Handswitch/Electrodes (Valleylab, Inc.). Corrected to the number one digit away whose FDA name carries the summary’s words for the device, “100 HG Hemodialyzer / Filter”. | 1990 |
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 |
|---|---|---|---|
| K160558 | Rapido Hollow-Fibre Dialyzers | 2016 | 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 8 years and passes through 4 companies; a new generation was cleared every 2.5 years on median.
- None of the 5 ancestors has a recall.
- Of its descendants, K160558 (Bellco Srl, 2016) has gone furthest, with 0 descendants of its own.
- 5 other devices also cite its predicate K030592.
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.
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 Polyflux 6H is intended for chronic and acute applications in hemodialysis, hemodiafiltration and hemofiltration on small patients including pediatric indications, considering blood flow, body weight and extracorporeal blood volume.
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/K051520 · printed Nov 6, 2026
Cite this page
510(k) Report. “K051520: Gambro Polyflux Hemodialyzer, Model 6H.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K051520
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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