Machine and accessories for performing double volume exchange transfusion in neonates

A Double Volume Exchange Transfusion (DVET) unit comprising:

• a first syringe and a second syringe having a first plunger and a second plunger, respectively, wherein each of the first plunger and the second plunger is adapted to execute a backward stroke and a forward stroke in the respective syringe;
• a first valve disposed in a housing and in fluid communication with the first syringe, a fresh blood source, and a specimen;
• a second valve disposed in the housing and in fluid communication with the second syringe, the specimen, and a waste bin, and
• a controller adapted to:
• actuate the first valve to close and the second valve to open during the backward stroke;
• and
• actuate the first valve to open and the second valve to close during the forward stroke;
• wherein the first valve is adapted to be closed and the second valve is adapted to be open to draw blood from the fresh blood source and the specimen into the first syringe and the second syringe, respectively, during the backward stroke, and the first valve is adapted to be open and the second valve is adapted to be closed to pump the blood, drawn during the backward stroke, from the first syringe and the second syringe into the specimen and the waste bin, respectively, during the forward stroke.