A hose connection for an arrangement for collection of liquid from a patient isdisclosed which connection comprises a first tubular member (1) to be in fluidconnection with the patient and having one or more protrusions (3) arranged onan outer surface, and an outlet (2), and further comprises a collection bag (24)having an inlet to be connected to the outlet for collection of liquid coming throughthe first tubular member. The inlet comprises a second tubular member (5) beingconnected to the bag and adapted to receive and surround at least a part of saidfirst tubular member. The second tubular member has one or more receiving means(6, 11) being engageable with the protrusions for providing a locked, but separableconnection between the first and second tubular member.
