510(k) · Cleared
ClearedVariable Prime Cobe Membrane Lung
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Cobe Laboratories, Inc. · DTZ Oxygenator, Cardiopulmonary Bypass
Cleared on Feb 1, 1985 after a 192-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 2 of the 28 devices in its family, counting itself, have a Class I recall. 27 later devices descend from it.
- Decided
- Feb 1, 1985
- Review
- 192 days
- Class
- Class II
- Product code
- DTZ
- Recalls
- None
- Predicates
- 0
27 later devices descend from it, 1 citing it directly. 2 of the 28 devices in this family, counting this one, have a Class I recall.
- This deviceK842908 Variable Prime Cobe Membrane LungCobe Laboratories, Inc. · 1985
- Descendant · cites it directly · 26 of its ownK022115 Capiox RX05 Hollow Fiber Oxygenator W/Without Hardshell ReservoirTerumo Corp. · 2002
- Descendant · 2 generations on · 9 of its ownK062381 Capiox RX Oxygenator with or Without ReservoirTerumo Cardiovascular Systems Corp. · 2006 · Recalled
- Descendant · 3 generations on · 7 of its ownK130333 Capix RX Hollow Fiber Oxygenator with/Without Hardshell ReservoirTerumo Cardiovascular Systems Corp. · 2013
- Descendant · 2 generations on · 6 of its ownK102464 Quadrox-I Neonatal Microporous Membrane Oxygenator with Integrated…Maquet Cardiopulmonary, AG · 2011 · Recalled (Class I)
- Descendant · 4 generations on · 5 of its ownK140774 Terumo Capiox FX15 and FX25 Hollow Fiber Oxygenator/ReservoirTerumo Cardiovascular Systems Corporation · 2014
Showing 5 of 27 descendants. See all descendants
Descendants cleared per year
Class I recalls in this family
Most influential descendants
Showing 5 of 27 · See all- K022115Capiox RX05 Hollow Fiber Oxygenator W/Without Hardshell ReservoirTerumo Corp. · 2002 · cites it directly26descendants
- K062381Capiox RX Oxygenator with or Without ReservoirTerumo Cardiovascular Systems Corp. · 2006 · 2 generations on9descendants
- K130333Capix RX Hollow Fiber Oxygenator with/Without Hardshell ReservoirTerumo Cardiovascular Systems Corp. · 2013 · 3 generations on7descendants
- K102464Quadrox-I Neonatal Microporous Membrane Oxygenator with Integrated Arterial Filter with…Maquet Cardiopulmonary, AG · 2011 · 2 generations on6descendants
- K140774Terumo Capiox FX15 and FX25 Hollow Fiber Oxygenator/ReservoirTerumo Cardiovascular Systems Corporation · 2014 · 4 generations on5descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K842908 | Variable Prime Cobe Membrane Lung | Cobe Laboratories, Inc. | 1985 | — |
| +1 | K022115 | Capiox RX05 Hollow Fiber Oxygenator W/Without Hardshell Reservoir | Terumo Corp. | 2002 | — |
| +2 | K062381 | Capiox RX Oxygenator with or Without Reservoir | Terumo Cardiovascular Systems Corp. | 2006 | 2 |
| +3 | K130333 | Capix RX Hollow Fiber Oxygenator with/Without Hardshell Reservoir | Terumo Cardiovascular Systems Corp. | 2013 | — |
| +2 | K102464 | Quadrox-I Neonatal Microporous Membrane Oxygenator with Integrated Arterial… | Maquet Cardiopulmonary, AG | 2011 | Class I |
| +4 | K140774 | Terumo Capiox FX15 and FX25 Hollow Fiber Oxygenator/Reservoir | Terumo Cardiovascular Systems Corporation | 2014 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2002 | 1 | 0 |
| 2004 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2009 | 3 | 0 |
| 2011 | 3 | 1 |
| 2013 | 5 | 0 |
| 2014 | 3 | 1 |
| 2015 | 4 | 0 |
| 2018 | 2 | 0 |
| 2021 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 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.
2 devices in this family have a Class I recall. 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 DTZ device
- #1 K240934 Quantum Perfusion Blood Oxygenator ECC…score 14.3 · 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?
FDA has not posted a summary or statement for it, so its predicates are not known.
What descends from it? (27)
See all 271 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K022115 | Capiox RX05 Hollow Fiber Oxygenator W/Without Hardshell Reservoir | 2002 | 26 |
Has anything in its family been recalled? (2 Class I)
No FDA recall names this device.
Relatives with a Class I recall
Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.
- K102464Quadrox-I Neonatal Microporous Membrane Oxygenator with Integrated Arterial Filter with Softline/Bioline…Maquet Cardiopulmonary, AG · 2011 · 2 generations on · ◆ in the 2011 descendants bar of FIG. 12 Class I recalls
- K141432Neonatal Venous Hardshell Cardiotomy Reservior, Pediatric Venous Hardshell Cardiotomy Reservior, Neonatal…Maquet Cardiopulmonary, AG · 2014 · 3 generations on · ◆ in the 2014 descendants bar of FIG. 12 Class I recalls
What does this lineage say?
- Of its descendants, K022115 (Terumo Corp., 2002) has gone furthest, with 26 descendants of its own.
How does its category compare?
All DTZ devicesDTZ Oxygenator, Cardiopulmonary Bypass: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · DTZ
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · DTZ
124in 2024
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · DTZ
1in 2025
Class I (3 since 2007) Class II/III not classified
Adverse event reports per year · DTZ
976in 2025
MAUDE reports naming product code DTZ, 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 | 4 | 55 | 7 | 134 |
| 2008 | 3 | 88 | 5 | 105 |
| 2009 | 9 | 210 | 0 | 52 |
| 2010 | 2 | — | 1 | 119 |
| 2011 | 4 | 160 | 13 | 190 |
| 2012 | 9 | 90 | 14 | 215 |
| 2013 | 9 | 28 | 0 | 346 |
| 2014 | 5 | 28 | 2 | 764 |
| 2015 | 9 | 134 | 0 | 658 |
| 2016 | 3 | 62 | 1 | 443 |
| 2017 | 2 | — | 0 | 388 |
| 2018 | 3 | 72 | 2 (2) | 320 |
| 2019 | 5 | 90 | 1 | 489 |
| 2020 | 5 | 93 | 3 | 442 |
| 2021 | 5 | 336 | 1 (1) | 595 |
| 2022 | 2 | — | 6 | 559 |
| 2023 | 5 | 145 | 0 | 738 |
| 2024 | 3 | 124 | 0 | 535 |
| 2025 | 2 | — | 1 | 976 |
| 2026 | 3 | 137 | 0 | — |
https://510kreport.com/device/K842908 · printed Nov 4, 2026
Cite this page
510(k) Report. “K842908: Variable Prime Cobe Membrane Lung.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K842908
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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