Abstract: The invention relates to an apparatus for receiving a body fluid, wherein the apparatus comprises a first chamber with a displaceable wall and a second chamber of a constant effective size, said second chamber being movable with respect to the displaceable wall, wherein the apparatus is designed to connect the first chamber and the second chamber during a longitudinally axial movement of the second chamber with respect to the displaceable wall and to transfer body fluid from the first chamber to the second chamber during a movement of the second chamber together with the displaceable wall.

Abstract: The invention relates to an apparatus for receiving a body fluid, wherein the apparatus comprises a first chamber with a displaceable wall and a second chamber of a constant effective size, said second chamber being movable with respect to the displaceable wall, wherein the apparatus is designed to connect the first chamber and the second chamber during a longitudinally axial movement of the second chamber with respect to the displaceable wall and to transfer body fluid from the first chamber to the second chamber during a movement of the second chamber together with the displaceable wall.

Abstract: The invention relates a method for producing a pharmaceutical composition, comprising the steps of: providing a liquid collected from a mammal, which liquid comprises cellular constituents of blood, providing a container having an internal surface, contacting said liquid with said internal surface, incubating said liquid contacted with said internal surface for an incubation time, wherein said liquid is agitated with an agitation means at least once during said incubation time, and after said incubation time has passed, obtaining said pharmaceutical composition by steps comprising (1) collecting said liquid or (2) removing part of or the entirety of said cellular constituents from said liquid and collecting the remainder.

Abstract: The invention relates to an apparatus for receiving a body fluid, wherein the apparatus comprises a first chamber with a displaceable wall and a second chamber of a constant effective size, said second chamber being movable with respect to the displaceable wall, wherein the apparatus is designed to connect the first chamber and the second chamber during a longitudinally axial movement of the second chamber with respect to the displaceable wall and to transfer body fluid from the first chamber to the second chamber during a movement of the second chamber together with the displaceable wall.