Patent ID: 6197579
Filing Date: 2001-03-06
Classification: B01L,B04B,C12M,G01N

Abstract:
A cell washing device, comprising:(i) an elongate centrifuge tube having generally cylindrical side walls and a conical bottom wall, said conical bottom wall forming an apical angle of between about 50 and about 90.degree. and having a wall-surface modification selected from the group consisting of(a) a plurality of longitudinal fins protruding inwardly from said side walls,(b) a plurality of longitudinal dividers defining a plurality of compartments,(c) a plurality of concentrically arranged ridges,(d) a plurality of grooves radiating from the apex region of said bottom wall, and(e) surface texturing; and(ii) a lid disposed at the top of said tube, said lid forming at least two access ports.