510(k) Report

510(k) · Cleared

Cleared

Affinity NTTM Oxygenator (Model 511), Affinity® NT Hollow Fiber Oxygenator with Plasma Resistant Fiber (PRF) with TrilliumTM Biosurface (Model 511T), Affinity® NT Integrated CVR/Membrane Oxygenator with Plasma Resistant Fiber (Model 541), Affinity® NT Integrated CVR/Membrane Oxygenator with Plasma Resistant Fiber (Model 541-R), Affinity NT® Integrated CVR/Membrane Oxygenator with Trillium® Biosurface (Model 541T), Affinity NT® Integrated CVR/Membrane Oxygenator with Trillium® Biosurfac

K191029510(k) SpecialCleared May 17, 201929-day reviewClass II21 CFR 870.4350

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

Medtronic, Inc. · DTZ Oxygenator, Cardiopulmonary Bypass

Cleared on May 17, 2019 after a 29-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 1 of the 4 devices in its family, counting itself, has a Class I recall. 3 later devices descend from it.

Decided
May 17, 2019
Review
29 days
Class
Class II
Product code
DTZ
Recalls
None
Predicates
0

3 later devices descend from it, 1 citing it directly. 1 of the 4 devices in this family, counting this one, has a Class I recall.

Descendants, by year cleared 2020: 1 descendant cleared, 1 with a Class I recall12023: 1 descendant cleared2022: 1 descendant cleared201620182020202220242026
  1. This deviceK191029 Affinity NTTM Oxygenator (Model 511), Affinity® NT Hollow Fiber…Medtronic, Inc. · 2019
  2. Descendant · cites it directly · 2 of its ownK200109 OXY-1 SystemAbiomed, Inc. · 2020 · Recalled (Class I)
  3. Descendant · 2 generations on · 0 of its ownK223161 OXY-1 SystemAbiomed, Inc. · 2023
  4. Descendant · 2 generations on · 0 of its ownK222297 CentriMag Pre-connected PackAbbott · 2022

Class I recalls in this family

Most influential descendants

Showing 3 of 3 · See all
  • K200109OXY-1 SystemAbiomed, Inc. · 2020 · cites it directly2descendants
  • K223161OXY-1 SystemAbiomed, Inc. · 2023 · 2 generations on0descendants
  • K222297CentriMag Pre-connected PackAbbott · 2022 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K191029Affinity NTTM Oxygenator (Model 511), Affinity® NT Hollow Fiber Oxygenator…Medtronic, Inc.2019—
+1K200109OXY-1 SystemAbiomed, Inc.2020Class I
+2K223161OXY-1 SystemAbiomed, Inc.2023—
+2K222297CentriMag Pre-connected PackAbbott2022—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202011
202210
202310
FIG. 1 — Lineage of K191029, 2019–2023Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

1 device in this family has 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. #1 K240934 Quantum Perfusion Blood Oxygenator ECC…score 14.3 · 12 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?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it? (3)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K200109OXY-1 System Class IAbiomed, Inc.20202

Has anything in its family been recalled? (1 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.

  • K200109OXY-1 SystemAbiomed, Inc. · 2020 · Cites it directly · ◆ in the 2020 descendants bar of FIG. 11 Class I recall

What does this lineage say?

  • Of its descendants, K200109 (Abiomed, Inc., 2020) has gone furthest, with 2 descendants of its own.

How does its category compare?

All DTZ devices

DTZ Oxygenator, Cardiopulmonary Bypass: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.

FDA decisions per year · DTZ

2in 2025

2007: 42008: 32009: 92010: 22011: 42012: 92013: 92014: 52015: 92016: 32017: 22018: 32019: 52020: 52021: 52022: 22023: 52024: 32025: 22026 (partial year): 3
2007high 9 (2009) · low 2 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DTZ

124in 2024

2007: 55 days median2008: 88 days median2009: 210 days median2011: 160 days median2012: 90 days median2013: 28 days median2014: 28 days median2015: 134 days median2016: 62 days median2018: 72 days median2019: 90 days median2020: 93 days median2021: 336 days median2023: 145 days median2024: 124 days median2026 (partial year): 137 days median
2007high 336 (2021) · low 28 (2013)2026

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

Recalls per year · DTZ

1in 2025

2007: 72008: 52010: 12011: 132012: 142014: 22016: 12018: 2, 2 Class I2019: 12020: 32021: 1, 1 Class I2022: 62025: 1
2007high 14 (2012) · low 0 (2009)2026

Class I (3 since 2007) Class II/III not classified

Adverse event reports per year · DTZ

976in 2025

2007: 1342008: 1052009: 522010: 1192011: 1902012: 2152013: 3462014: 7642015: 6582016: 4432017: 3882018: 3202019: 4892020: 4422021: 5952022: 5592023: 7382024: 5352025: 976
2007high 976 (2025) · low 52 (2009)2025

MAUDE reports naming product code DTZ, 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
20074557134
20083885105
20099210052
20102—1119
2011416013190
201299014215
20139280346
20145282764
201591340658
20163621443
20172—0388
20183722 (2)320
20195901489
20205933442
202153361 (1)595
20222—6559
202351450738
202431240535
20252—1976
202631370—

What is it indicated for?

The Affinity NT Oxygenator is intended to be used in an extracorporeal perfusion circuit to oxygenate and remove carbon dioxide from the blood and to cool or warm the blood during routine cardiopulmonary bypass (CPB) procedures up to 6 hours in duration. The Affinity® NT Hollow Fiber Oxygenator with Plasma Resistant Fiber (PRF) with Trillium™ Biosurface is intended to be used in an extracorporeal perfusion circuit to oxygenate and remove carbon dioxide…

Read the full statement (496 words)

The Affinity NT Oxygenator is intended to be used in an extracorporeal perfusion circuit to oxygenate and remove carbon dioxide from the blood and to cool or warm the blood during routine cardiopulmonary bypass (CPB) procedures up to 6 hours in duration.

The Affinity® NT Hollow Fiber Oxygenator with Plasma Resistant Fiber (PRF) with Trillium™ Biosurface is intended to be used in an extracorporeal perfusion circuit to oxygenate and remove carbon dioxide from the blood and to cool or warm the blood during routine cardiopulmonary bypass procedures up to 6 hours in duration.

The Affinity® NT Integrated CVR/Membrane Oxygenator with Plasma Resistant Fiber is intended to be used in an extracorporeal perfusion circuit to collect venous and cardiotomy suctioned blood, cool or warm the blood and oxygenate and remove carbon dioxide from the blood during routine cardiopulmonary bypass procedures up to 6 hours in duration.

The Affinity® NT Integrated CVR/Membrane Oxygenator with Plasma Resistant Fiber is intended to be used in an extracorporeal perfusion circuit to collect venous and cardiotomy suctioned blood, cool or warm the blood and oxygenate and remove carbon dioxide from the blood during routine cardiopulmonary bypass procedures up to 6 hours in duration.

The Affinity NT® Integrated CVR/Membrane Oxygenator with Trillium® Biosurface is intended to be used in an extracorporeal perfusion circuit to collect venous and cardiotomy suctioned blood, cool or warm the blood and oxygenate and remove carbon dioxide from the blood during routine cardiopulmonary bypass procedures up to 6 hours in duration.

The Affinity NT® Integrated CVR/Membrane Oxygenator with Trillium® Biosurface is intended to be used in an extracorporeal perfusion circuit to collect venous and cardiotomy suctioned blood, cool or warm the blood and oxygenate and remove carbon dioxide from the blood during routine cardiopulmonary bypass procedures up to 6 hours in duration.

The Affinity® NT Integrated Trillium™ CVR/Membrane Oxygenator is intended to be used in an extracorporeal perfusion circuit to collect venous and cardiotomy suctioned blood, cool or warm the blood and oxygenate and remove carbon dioxide from the blood during routine cardiopulmonary bypass procedures up to 6 hours in duration.

The Affinity® NT Integrated Trillium™ CVR/Membrane Oxygenator is intended to be used in an extracorporeal perfusion circuit to collect venous and cardiotomy suctioned blood, cool or warm the blood and oxygenate and remove carbon dioxide from the blood during routine cardiopulmonary bypass procedures up to 6 hours in duration.

The Affinity NT™ Oxygenator with Cortiva™ BioActive Surface is intended to be used in an extracorporeal perfusion circuit to oxygenate and remove carbon dioxide from the blood and to cool or warm the blood during routine cardiopulmonary bypass (CPB) procedures up to 6 hours in duration.

The Affinity NT™ Integrated Uncoated CVR/Oxygenator with Cortiva™ BioActive Surface is intended to be used in an extracorporeal perfusion circuit to collect venous and cardiotomy suctioned blood, cool or warm the blood and oxygenate and remove carbon dioxide from the blood during routine cardiopulmonary bypass (CPB) procedures up to 6 hours in duration.

Indications for use as stated in the FDA 510(k) statement.

Cite this page

510(k) Report. “K191029: Affinity NTTM Oxygenator (Model 511), Affinity® NT Hollow Fiber Oxygenator with Plasma Resistant Fiber (PRF) with TrilliumTM Biosurface (Model 511T), Affinity® NT Integrated CVR/Membrane Oxygenator with Plasma Resistant Fiber (Model 541), Affinity® NT Integrated CVR/Membrane Oxygenator with Plasma Resistant Fiber (Model 541-R), Affinity NT® Integrated CVR/Membrane Oxygenator with Trillium® Biosurface (Model 541T), Affinity NT® Integrated CVR/Membrane Oxygenator with Trillium® Biosurfac.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K191029

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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