1. Device (1) for the preparation of tank containers (4) with biological fluids, comprising a main body (2) defining at least one filling channel (3) having at least one inlet space (3a) for biological fluid and at least one space (3b) for air outlet, and which contains a lot of block containers (4) arranged in series one after another and defining the corresponding chamber-containers (5), characterized in that said chambers containers (5) are located along the dividing channel (3) and are placed between said input space (3a) and said output space (3b). 2. The device (1) according to claim 1, characterized in that said input space (3a) and said output space (3b) are located on opposite sides of said filling channel (3). 3. The device (1) according to claim 1, characterized in that said main body (2) contains at least one intermediate tubular element (7a) located between each pair of successive block-containers (4), and also contains, according to at least two extreme tubular elements (7b) associated with the first and last of the said block-containers (4) and defining said input space (3a) and said output space (3b), respectively. 4. The device (1) according to claim 3, characterized in that said tank units (4) have a larger cross section than said tubular elements (7a, 7b). The device (1) according to claim 1, characterized in that it contains at least one hydrophobic device (6) for filtering air associated with said outlet space (3b) .6. Device (11. Устройство (1) для приготовления блоков-емкостей (4) с биологическими жидкостями, содержащее основной корпус (2), определяющий, по меньшей мере, один наполнительный канал (3), имеющий, по меньшей мере, одно входное пространство (3a) для биологической жидкости и, по меньшей мере, одно пространство (3b) для выхода воздуха, и которое содержит множество блоков-емкостей (4), расположенных последовательно один за другим и определяющих соответствующие камеры-емкости (5), отличающееся тем, что упомянутые камеры-емкости (5) рас
