Patent ID: 9095665
Filing Date: 2015-08-04
Classification: A61M

Abstract:
1. A method of collecting and exchanging blood components comprising: (a) inserting a venous-access device into a subject, the venous-access device connected to a draw line, an anticoagulation line, and a return line; (b) withdrawing blood from the subject through the draw line, the draw line connected to a blood component separation device, the flow through the draw line being controlled by a draw line pump, the blood component separation device having an inlet and an outlet; (c) introducing anticoagulant into the withdrawn blood through the anticoagulant line, the flow through the anticoagulant line being controlled by an anticoagulant line pump; (d) separating the withdrawn blood into a first blood component and a second blood component using the blood component separation device; (e) extracting the first blood component from the blood component separation device; (f) returning the second blood component to the patient through the return line, the flow through the return line being controlled by a return line pump, wherein the return line fluidly connects to the inlet of the blood component separation device and the venous-access device, the return line fluidly connecting to the venous-access device at a point between the draw line pump and the venous-access device.