510(k) · Cleared
Recalled · 2006Cobe (R) CML Duo (R) with Smart (TM) Surface Modified Membrance Oxygenator
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Cobe Cardiovascular, Inc. · DTZ Oxygenator, Cardiopulmonary Bypass
Cleared on Jun 1, 1998 after a 160-day review. The FDA summary names its predicate without a number. It has been recalled 2 times.
- Decided
- Jun 1, 1998
- Review
- 160 days
- Class
- Class II
- Product code
- DTZ
- Recalls
- 2
- Predicates
- 0
The FDA summary names its predicate without a number.
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 DTZ? 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? (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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | — | COBE® CML Duo® Membrane Oxygenator Named without a submission number |
What descends from it?
No later submission names this one as a predicate yet.
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Jun 26, 2006 | Not classified | Z-1425-06 | Other | Cooling and rewarming time is extended. Efficiency of the heat exchangers is reduced because many of the folds that are critical to heat exchange on the blood side of the units were blocked with a metalic material, thus decreasing the… |
| Jun 26, 2006 | Not classified | Z-1422-06 | Other | Cooling and rewarming time is extended. Efficiency of the heat exchangers is reduced because many of the folds that are critical to heat exchange on the blood side of the units were blocked with a metalic material, thus decreasing the… |
No ancestor or descendant has a Class I recall.
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 | — |
What is it indicated for?
The COBE® CML Duo® With SMAR, T™ Surface Modified Membrane Oxygenator is intended to be used in adult surgical procedures requiring extracorporeal gas exchange support and blood temperature control for periods of up to six hours.
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/K974812 · printed Nov 6, 2026
Cite this page
510(k) Report. “K974812: Cobe (R) CML Duo (R) with Smart (TM) Surface Modified Membrance Oxygenator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K974812
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Page last updated Nov 3, 2026