Patent ID: 8747289

Claim:
An apparatus for depleting at least one of red blood cells, granulocytes, or platelets from a sample comprising blood, bone marrow, or stromal vascular fraction cells separated from adipose tissue, the apparatus comprising: a. a centrifuge having an axis of rotation: b. a rigid cartridge comprising: i. a rigid internal chamber having a radius generally inversely proportional to the distance from said axis of rotation when said cartridge is being centrifuged in said centrifuge, an inlet, and an exit port; ii. a valve system comprising at least one valve; iii. a first rigid storage compartment closer to said axis of rotation when said cartridge is being centrifuged in said centrifuge than said exit port; and iv. a second rigid storage compartment closer to said axis of rotation when said cartridge is being centrifuged in said centrifuge than said exit port; and c. a control module.