Definition nach Intermacs:
1) Pump failure (blood contacting components of pump and any motor or
other pump actuating mechanism that is housed with the blood contacting
components). In the special situation of pump thrombosis, thrombus is
documented to be present within the device or its conduits that result
in or could potentially induce circulatory failure.
2) Non-pump failure (e.g., external pneumatic drive unit, electric
power supply unit, batteries, controller, interconnect cable,
compliance chamber)