This analysis device includes at least one rack intended to receive a plurality of containers containing samples of biological liquid to be analyzed, a loading module arranged to move the at least one rack between a loading position and a first intermediate position, a shaking module arranged to move the at least one rack between the first intermediate position and a second intermediate position and to shake the at least one rack, an unloading module arranged to move the at least one rack between the second intermediate position and an unloading position, where the loading and unloading modules are arranged to move the at least one rack respectively along a first and a second movement directions transverse to the plane of the at least one rack, and where the shaking module is arranged such that the at least one rack extends substantially along a same orientation in the first and second intermediate positions.