A fluid connection (60) having at least a first and a second opening (at 17, 18), i.e. an inlet and an outlet, where the first opening forms a fluid connection to a medication supply and the second opening forms a fluid connection to an opening in the body of a separate cannula part and an at least partly sub- or transcutaneous positioned cannula (22). The fluid connection is characterized in that is attached to a surface plate (1) and has the form of a tube made of a rigid material. A base part comprising such a fluid connection is also disclosed.
