Patent 7651457 was granted and assigned to ZYMEQUEST, INC. on January, 2010 by the United States Patent and Trademark Office.
A flexible processing and/or expressor chamber for a biological cell processing apparatus is provided which may include a first side and a second side and having a expandable wall, wherein a first end of the expandable wall is attached to a circumference of the first side of the flexible chamber and a second end of the expandable wall is attached to a circumference of the second side of the flexible chamber. Either or both sides of the chamber may include an axial opening.