# K203111: Affinity Fusion Oxygenator System, Affinity Pixie Oxygenation System

- Pathway: 510(k) (Traditional)
- Applicant: Medtronic
- Decided: Sep 16, 2021 after 336 days
- Product code: DTZ (Oxygenator, Cardiopulmonary Bypass)
- Device class: 2
- Regulation: 21 CFR 870.4350
- Recalls of this device: 6 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K183511 (2019). 2 ancestors in all.
2 later devices descend from it; 1 cites it directly.
1 of 5 devices in its family (counting itself) has a Class I recall.

## Predicates on the family tree (from the FDA summary)
- 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, Medtronic, Inc. (2019) Summary page 12.
- K183511: Affinity Pixie™ Oxygenator with Balance™ Biosurface (Model BBP211), Affinity Pixie™ Oxygenator and Cardiotomy/Venous Reservoir with Balance™ Biosurface (Model BBP241), Affinity Pixie™ Oxygenator with Cortiva™ BioActive Surface (Model CBP211), Affinity Pixie™ Oxygenator and Cardiotomy/Venous Reservoir with Cortiva™ BioActive Surface (Model CBP241), Medtronic, Inc. (2019) Summary page 12.

## Most influential descendants
- 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

## Recalls of this device
- Dec 12, 2022 · Class II · Z-1026-2023: An upward trend of complaints in which the Temperature Monitoring Adapter (TMA), located on the Affinity Fusion Oxygenator, had come loose from the oxygenator either during pre-procedure perfusion set
- Dec 12, 2022 · Class II · Z-1028-2023: An upward trend of complaints in which the Temperature Monitoring Adapter (TMA), located on the Affinity Fusion Oxygenator, had come loose from the oxygenator either during pre-procedure perfusion set
- Dec 12, 2022 · Class II · Z-1024-2023: An upward trend of complaints in which the Temperature Monitoring Adapter (TMA), located on the Affinity Fusion Oxygenator, had come loose from the oxygenator either during pre-procedure perfusion set
- Dec 12, 2022 · Class II · Z-1025-2023: An upward trend of complaints in which the Temperature Monitoring Adapter (TMA), located on the Affinity Fusion Oxygenator, had come loose from the oxygenator either during pre-procedure perfusion set
- Dec 12, 2022 · Class II · Z-1023-2023: An upward trend of complaints in which the Temperature Monitoring Adapter (TMA), located on the Affinity Fusion Oxygenator, had come loose from the oxygenator either during pre-procedure perfusion set
- Dec 12, 2022 · Class II · Z-1027-2023: An upward trend of complaints in which the Temperature Monitoring Adapter (TMA), located on the Affinity Fusion Oxygenator, had come loose from the oxygenator either during pre-procedure perfusion set

## Indications for use
The Affinity Fusion oxygenator with integrated arterial filter and 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 Fusion oxygenator with integrated arterial filter and Cortiva bioactive surface is designed to filter from the circuit microemboli larger than the specified micron size for periods up to 6 hours during CPB surgery. Oxygenator with Integrated Arterial Filter The Affinity Fusion oxygenator with integrated arterial filter and 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 Fusion oxygenator with integrated arterial filter and Cortiva bioactive surface is designed to filter from the circuit microemboli larger than the specified micron size for periods up to 6 hours during CPB surgery. Cardiotomy/Venous Reservoir The Affinity Fusion cardiotomy/venous reservoir with Balance biosurface is intended to be used in an extracorporeal perfusion circuit to collect venous and cardiotomy suctioned blood during routine cardiopulmonary procedures up to 6 hours in duration. The CVR is also intended for use during vacuum-assisted venous drainage (VAVD) procedures. The Affinity Fusion cardiotomy/venous reservoir with Balance biosurface is also intended for use after open heart surgery to collect autologous blood from the chest and to aseptically return the blood to the patient for blood volume replacement. The Affinity Fusion Oxygenator with Integrated Arterial Filter and Balance 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 Fusion Oxygenator with Integrated Arterial Filter and Balance Biosurface is designed to filter from the circuit microemboli larger than the specified micron size for periods up to six hours during cardiopulmonary bypass surgery. Oxygenator with Integrated Arterial Filter The Affinity Fusion Oxygenator with Integrated Arterial Filter and Balance 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 Fusion Oxygenator with Integrated Arterial Filter and Balance Biosurface is designed to filter from the circuit microemboli larger than the specified micron size for periods up to six hours during cardiopulmonary bypass surgery. Cardiotomy/Venous Reservoir The Affinity Fusion Cardiotomy/Venous Reservoir with Balance Biosurface is intended to be used in an extracorporeal perfusion circuit to collect venous and cardiotomy suctioned blood during routine cardiopulmonary procedures up to 6 hours in duration. The CVR is also intended for use during vacuum assisted venous drainage (VAVD) procedures. The Affinity Fusion Cardiotomy/Venous Reservoir with Balance Biosurface is also intended for use after open heart surgery to collect autologous blood from the chest and to aseptically return the blood to the patient for blood volume replacement. The Affinity Pixie hollow fiber oxygenator and cardiotomy/venous reservoir with Cortiva bioactive surface are indicated for use for neonate, infant, and small pediatric patients undergoing cardiopulmonary bypass (CPB) procedures requiring a blood flow rate up to 2.0 L/min. The Affinity Pixie hollow fiber 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 CPB procedures up to 6 hours in duration. The Affinity Pixie hollow fiber oxygenator and cardiotomy/venous reservoir with Cortiva bioactive surface are indicated for use for neonate, infant, and small pediatric patients undergoing cardiopulmonary bypass (CPB) procedures requiring a blood flow rate up to 2.0 L/min. The Affinity Pixie hollow fiber 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 CPB procedures up to 6 hours in duration. The Affinity Pixie cardiotomy/venous reservoir is intended to be used in an extracorporeal perfusion circuit to collect venous and cardiotomy suctioned blood during routine cardiopulmonary procedures up to 6 hours in duration. The CVR is also intended for use during vacuum-assisted venous drainage (VAVD) procedures. The Affinity Pixie Hollow Fiber Oxygenator with Balance Biosurface are indicated for use for neonate, infant, and small pediatric patients undergoing cardiopulmonary bypass procedures requiring a blood flow rate up to 2.0 L/min. The Affinity Pixie Hollow Fiber 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 procedures up to 6 hours in duration. The Affinity Pixie Hollow Fiber Oxygenator and Cardiotomy/Venous Reservoir with Balance Biosurface are indicated for use for neonate, infant, and small pediatric patients undergoing cardiopulmonary bypass procedures requiring a blood flow rate up to 2.0 L/min. The Affinity Pixie Hollow Fiber 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 procedures up to 6 hours in duration. The Affinity Pixie Cardiotomy/Venous Reservoir is intended to be used in an extracorporeal perfusion circuit to collect venous and cardiotomy suctioned blood during routine cardiopulmonary procedures up to 6 hours in duration. The CVR is also intended for use during vacuum assisted venous drainage (VAVD) procedures.

Source page: https://510kreport.com/device/K203111
Methodology: https://510kreport.com/methodology