Patent ID: 7806845

Claim:
An apparatus to produce concentrated blood components, which apparatus comprises: a) a separation disc which receives blood through a first conduit, which separation disc rotates to generate centripetal force, thereby separating the blood into two or more blood components according to density, wherein the separation disc is rotatably mounted to a centrifuge chamber that comprises an iris door; b) a control system operably connected to a first pump operably coupled to the first conduit, wherein the control system controls transfer of blood and/or blood components to the separation disc by controlling the pump; and c) a concentrator which receives one or more of the blood components from the separation disc through a second conduit, which concentrator comprises at least one ultrafiltration membrane, which membrane comprises a retentate side and a permeate side wherein, during operation of the apparatus, the blood components being contacted to the retentate side of the membrane with a pressure gradient, thereby forcing one or more low molecular weight molecules through the membrane to a permeate side of the membrane and concentrating blood components.