A connection adapter for conducting resin into an inner fluid line of a device for vacuum infusion has a bearing side and a connection side, wherein the bearing side has two bearing legs for placing on a fluid line which form an interspace which widens outwardly in a direction facing away from the connection side, and wherein the connection side has a hollow-cylindrical portion with a connection opening facing away from the bearing side, and with a connecting opening projecting into the bearing side, and with a fluid connection between the connection opening and the connecting opening.
