Patent ID: 6348031
Filing Date: 2002-02-19
Classification: B04B

Abstract:
The combination of a centrifuge and container system for separation and/or treatment of blood or blood components, the combination comprising:a centrifuge including a rotor having a central tubular shaft cavity arranged concentrically with an axis of rotation of the rotor and an annular separation compartment arranged around said shaft cavity at an upper part thereof; and a container system disposed in said rotor and including a round bag disposed in said annular separation compartment for holding the blood or blood component during the separation/treatment by centrifugation, at least one flexible secondary container connected to said round bag for receiving a separated component displaced from the round bag during rotation of the rotor, and a tubular sleeve fitting into and being inserted into said shaft cavity, said secondary container being arranged within said sleeve; and said centrifuge further including means for reducing, in operation, a volume of the separation compartment in order to displace a separated component from said round bag inwardly to said secondary container in said sleeve in said central shaft cavity.