A device and method are provided for separating mononuclear cells from red blood cell depleted plasma in a centrifuge blood cell separator. The device includes an inlet for receiving plasma, an area for receiving mononuclear cells, and an outlet for receiving mononuclear cell depleted plasma. The distance...http://www.google.ca/patents/US5224921?utm_source=gb-gplus-sharePatent US5224921 - Small volume collection chamber
