Abstract: Devices, system, and methods are provided based on a technique for purging a blood pump. The technique may include providing a blood pump having an impeller and providing a fluid comprising a bicarbonate. The technique may include flowing the fluid through a first gap between a bearing and an outer surface of a rotatable shaft coupled to the impeller, the bearing and gap being disposed within a lumen of a tubular member and depending on the flow rate of the fluid and the speed of the impeller, the fluid may flow through the first gap and into a second gap between the bearing and a surface of the impeller facing the bearing. The bicarbonate reduces denaturation and adsorption of any blood proteins in the gap(s).

Abstract: Systems and method are disclosed involving a pump control module configured to control an intravascular blood pump and display information about the intravascular blood pump, and a blood monitoring module configured to derive a value of a blood parameter from information received about a blood sample, such as information received from a blood monitoring sensor, and display the value of the blood parameter on the first display screen and/or on a second display screen. The system and method may also include predicting other parameters based on, e.g., the information received from the blood sample. The predictions may include, e.g., predictions of heart failure or bleeding events.