# K011864: Trillium Myotherm XP Cardioplegia Delivery System, Models 41, 41-B

- Pathway: 510(k) (Special)
- Applicant: Medtronic Vascular
- Decided: Jul 9, 2001 after 25 days
- Product code: DTN (Reservoir, Blood, Cardiopulmonary Bypass)
- Device class: 2
- Regulation: 21 CFR 870.4400
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K971105 (1997). 2 ancestors in all.
8 later devices descend from it; 2 cite it directly.
0 of 11 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K971105: Myotherm (TM) XP Cardioplegia Delivery System, Avecor Cardiovascular, Inc. (1997) Summary page 2.
- K973760: Affinity Hollow Fiber Oxygenator with Trillium Biopassive Surface, Avecor Cardiovascular, Inc. (1998) Summary page 1.

## Most influential descendants
- K111972: Affinity CP Centrifugal Pump, Resting Heart Sys.,Myotherm Cardioplegia Deliv.,Affinity Hollow Fiber Oxygenator,Aaf (2011), 5 descendants of its own
- K120988: DLP Single Stage Venous Cannula, DLP Right Angle Single Stage Venous Cannula, DLP Single Stage Venous Cannula with Right (2012), 4 descendants of its own
- K140165: MC2 Two-Stage Venous Cannula, Oval MC2 Two-Stage Venous Cannula, Thin Wall Two-Stage Venous Cannula, MC2X Three-Stage VE (2014), 2 descendants of its own
- K251258: MC2™ Two-Stage Venous Cannula; MC2X™ Three-Stage Venous Cannula (2025), 1 descendant of its own
- K162958: MYOtherm XP Cardioplegia Delivery System with Trillium Biosurface; MYOtherm XP Cardioplegia Delivery System with Trillium Biosurface with Bridge; MYOtherm XP Cardioplegia Delivery System; MYOtherm XP Cardioplegia Delivery System with Bridge (2017), 1 descendant of its own

## Indications for use
The Trillium™ MY Otherm™ XP Cardioplegia Delivery System is a device intended for the mixing, warming/cooling and delivery of oxygenated blood/cardioplegia solution in a predetermined ratio. Blood/cardioplegia solution is delivered to the patient through the cardioplegia delivery system and appropriate cannula by the operation of a single occlusive roller pump.

Source page: https://510kreport.com/device/K011864
Methodology: https://510kreport.com/methodology