Blood plasma collecting flask

The blood plasma collecting flask made of plastic for the storage of blood plasma in the frozen state, comprising a flask body (1) which in the horizontal section has a cross-section with a rectangular basic shape and has on its upper side a flask neck (2), in particular according to any of the preceding claims, characterised in that connection points (7a, 7b) are provided on the upper side of the flask body (1) on opposite sides of the flask neck (2) and spaced apart from the latter to the side, of which one connection point (7a) is used for filling the flask body (1) with blood plasma, and the other connection point (7b) is used for ventilation and the taking of samples, and in that substantially L-shaped connectors (9) are provided at the connection points (7a, 7b), the one connector arm respectively being connected to the flask body (1), and the other connector arm being directed towards the flask neck (2) and bearing a tube (10) which extends over the flask neck (2).