Patent ID: 6649072
Filing Date: 2003-11-18
Classification: A61M,B01D

Abstract:
A method for producing autologous platelet rich plasma, said method comprising:a. placing a volume of anticoagulated blood into a centrifuge machine and centrifugally separating said volume of blood, at a first speed, into a platelet poor plasma component, a buffy coat component, and a layer of red blood cells, said buffy coat component comprising platelets; b. transferring said platelet poor plasma component from said volume of blood to a first collection device; c. extracting additional platelets from said red blood cell layer into said buffy coat component to form a concentrated platelet rich plasma component; d. hemoconcentrating said platelet poor plasma component to produce a concentrated platelet poor plasma component; and e. combining said concentrated platelet poor plasma component with said concentrated platelet rich plasma component to form a platelet-rich composition.