Patent ID: 7674434

Claim:
A biological sample container, comprising a vial configured for holding a liquid-based biological sample; a vial cap configured to removably seal the vial; and an access port comprising an opening through the vial cap and a self-sealing septum disposed within the opening, wherein the access port is adapted to admit a needle therethrough for obtaining an aliquot of the biological sample from the vial; and a solution chamber within the vial cap, wherein the access port is located adjacent to the solution chamber such that the access port provides needle access to the vial but not to the solution chamber, the chamber comprising a sealable opening, the chamber further comprising a flexible membrane incorporated into the vial cap, the flexible membrane configured to open the sealable opening when the flexible membrane is depressed, wherein the sealable opening is sealed by an openable flap held in a closed position by a locking mechanism that is released by depressing the flexible membrane.