Patent ID: 8142993
Filing Date: 2012-03-27
Classification: A61K,C12N

Abstract:
1. A method of preparing neutrophil-depleted platelet rich plasma comprising: obtaining a blood sample from a patient, preparing platelet-rich plasma comprising at least 0.5×10 passing the platelet-rich plasma through a cell separation device to remove neutrophils, and collecting the neutrophil-depleted platelet-rich plasma comprising at least 0.5×10 wherein the cell separation device comprises: an inlet end portion comprising an inlet port for receiving a sample of platelet rich plasma; an outlet end portion comprising at least one collection port for removing neutrophil-depleted platelet rich plasma; and a flow path placed within an electric field comprising a tubular material in fluid communication with the inlet port and the outlet port; wherein the tubular material is latticed or coiled and has a diameter of 10-100 microns; and wherein the outlet end has a positive electrical charge and the inlet end has a negative electrical charge.