Patent ID: 7147826

Claim:
A container assembly for storing a cell or biological sample, said assembly comprising: a container having a side, an open top end, and an internal dimension to contain a volume of a reagent sufficient to treat a biological sample; a cap for coupling to and closing said open top end of said container; and a sample holder having a closure member and an internal cavity with a dimension for receiving a biological sample, said sample holder having a plurality of fluid openings into said cavity enable free flow of said reagent into said cavity, said sample holder having a dimension to fit in said container below said cap and to immerse said cavity in said reagent, said sample holder being separate from said cap and where said cap cooperates with said sample holder to position said internal cavity of said sample holder immersed in said reagent, wherein said sample holder is removably coupled to said container and wherein said container has a bottom wall with a recess, said recess having a dimension to receive said sample holder by a friction fit or interference fit, wherein said sample holder has a base dimensioned to fit in said recess in said bottom wall of said container to removably couple said sample holder to said base.