A portable aspiration pump unit for the aspiration of bodily fluids and/or air comprises a pump assembly housing (1) with a pump assembly (6) and at least one fluid collection reservoir (2) detachably connected to this pump assembly housing (1). The pump assembly housing (1) has a front wall (11) , a rear wall (10) , and a side wall (16) arranged between these two walls (10, 11). An adapter (7) for a patient's tube (3) is present, and the adapter (7) can be introduced into a wall (11) of the pump assembly housing (1) and the adapter (7) can be connected to the fluid collection reservoir (2) and preferably also to the pump assembly (6).
