510(k) · Cleared
ClearedGambro Venous Blood Line
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Gambro, Inc. · KOC Accessories, Blood Circuit, Hemodialysis
Cleared on Apr 28, 1977 after a 14-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 13 later devices descend from it.
- Decided
- Apr 28, 1977
- Review
- 14 days
- Class
- Class II
- Product code
- KOC
- Recalls
- None
- Predicates
- 0
13 later devices descend from it, 1 citing it directly.
- This deviceK770691 Gambro Venous Blood LineGambro, Inc. · 1977
- Descendant · cites it directly · 12 of its ownK010131 PHD Personal Hemodialysis Instrument-1M101, PHD Water Pre-Treatment…Aksys, Ltd. · 2002 · Recalled
- Descendant · 2 generations on · 5 of its ownK112314 Nephros Olpur H2H Hemodiafiltration (HDF) Module and Olpur MD 220…Nephros, Inc. · 2012
- Descendant · 2 generations on · 5 of its ownK043436 Nxstage Dialysate Preparation Module, Model NX0269Nxstage Medical, Inc. · 2005
- Descendant · 3 generations on · 3 of its ownK060296 Nxstage Dialysate Preparation ModuleNxstage Medical, Inc. · 2006
- Descendant · 2 generations on · 2 of its ownK231534 5008X Hemodialysis SystemFresenius Medical Care · 2024 · Recalled
Showing 5 of 13 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 13 · See all- K010131PHD Personal Hemodialysis Instrument-1M101, PHD Water Pre-Treatment Kit-1W605,PHD Hard…Aksys, Ltd. · 2002 · cites it directly12descendants
- K112314Nephros Olpur H2H Hemodiafiltration (HDF) Module and Olpur MD 220 HemodiafilterNephros, Inc. · 2012 · 2 generations on5descendants
- K043436Nxstage Dialysate Preparation Module, Model NX0269Nxstage Medical, Inc. · 2005 · 2 generations on5descendants
- K060296Nxstage Dialysate Preparation ModuleNxstage Medical, Inc. · 2006 · 3 generations on3descendants
- K2315345008X Hemodialysis SystemFresenius Medical Care · 2024 · 2 generations on2descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K770691 | Gambro Venous Blood Line | Gambro, Inc. | 1977 | — |
| +1 | K010131 | PHD Personal Hemodialysis Instrument-1M101, PHD Water Pre-Treatment… | Aksys, Ltd. | 2002 | 1 |
| +2 | K112314 | Nephros Olpur H2H Hemodiafiltration (HDF) Module and Olpur MD 220 Hemodiafilter | Nephros, Inc. | 2012 | — |
| +2 | K043436 | Nxstage Dialysate Preparation Module, Model NX0269 | Nxstage Medical, Inc. | 2005 | — |
| +3 | K060296 | Nxstage Dialysate Preparation Module | Nxstage Medical, Inc. | 2006 | — |
| +2 | K231534 | 5008X Hemodialysis System | Fresenius Medical Care | 2024 | 1 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2002 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2008 | 2 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2014 | 1 | 0 |
| 2022 | 1 | 0 |
| 2024 | 2 | 0 |
| 2025 | 2 | 0 |
Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in KOC? 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 KOC device
- #1 K230514 Blood Tubing Lines for Hemodialysis AL Series…score 11.8 · 2 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against?
FDA has not posted a summary or statement for it, so its predicates are not known.
What descends from it? (13)
See all 131 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K010131 | PHD Personal Hemodialysis Instrument-1M101, PHD Water Pre-Treatment Kit-1W605,PHD Hard… | 2002 | 12 |
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, K010131 (Aksys, Ltd., 2002) has gone furthest, with 12 descendants of its own.
How does its category compare?
All KOC devicesKOC Accessories, Blood Circuit, Hemodialysis: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KOC
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KOC
Too few KOC 510(k)s in any year since 2007 to give a median.
Recalls per year · KOC
4so far in 2026, the most since 2007
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KOC
50in 2025
MAUDE reports naming product code KOC, 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 | 1 | — | 0 | 3 |
| 2008 | 2 | — | 2 | 12 |
| 2009 | 2 | — | 0 | 12 |
| 2010 | 0 | — | 0 | 4 |
| 2011 | 0 | — | 0 | 10 |
| 2012 | 1 | — | 1 | 2 |
| 2013 | 0 | — | 0 | 22 |
| 2014 | 1 | — | 1 | 165 |
| 2015 | 2 | — | 0 | 555 |
| 2016 | 1 | — | 0 | 10 |
| 2017 | 1 | — | 0 | 23 |
| 2018 | 0 | — | 3 | 37 |
| 2019 | 0 | — | 0 | 56 |
| 2020 | 1 | — | 0 | 20 |
| 2021 | 0 | — | 0 | 33 |
| 2022 | 0 | — | 0 | 26 |
| 2023 | 2 | — | 0 | 16 |
| 2024 | 0 | — | 0 | 18 |
| 2025 | 2 | — | 0 | 50 |
| 2026 | 0 | — | 4 | — |
https://510kreport.com/device/K770691 · printed Nov 6, 2026
Cite this page
510(k) Report. “K770691: Gambro Venous Blood Line.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K770691
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Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026