# K183490: Affinity NT Oxygenator, Affinity NT Oxygenator with Trillium Biosurface, Affinity NT Oxygenator with Cortiva BioActive Surface, Affinity Fusion Oxygenator with Cortiva BioActive Surface, Affinity Fusion Oxygenator with Balance Biosurface

- Pathway: 510(k) (Traditional)
- Applicant: Medtronic, Inc.
- Decided: Apr 12, 2019 after 116 days
- Product code: DTZ (Oxygenator, Cardiopulmonary Bypass)
- Device class: 2
- Regulation: 21 CFR 870.4350
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
3 later devices descend from it; 1 cites it directly.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA’s file for it is a 510(k) statement, which names no predicate.

## Most influential descendants
- K203111: Affinity Fusion Oxygenator System, Affinity Pixie Oxygenation System (2021), 2 descendants of its own
- K230640: Affinity Fusion™ Oxygenator System (2023), 1 descendant of its own
- K240666: Affinity Fusion Oxygenator with Integrated Arterial Filter and Balance Biosurface (BB811); Affinity Fusion Oxygenator with Integrated Arterial Filter and Cardiotomy/Venous Reservoir with Balance Biosurface (BB841); Affinity Fusion Oxygenator with Integrated Arterial Filter and Balance Biosurface NON STERILE (BB811-NS) (2024), 0 descendants of its own

Source page: https://510kreport.com/device/K183490
Methodology: https://510kreport.com/methodology