The invention relates to an aspiration catheter (1) for the extraction of thrombotic material from blood vessels, with a first (3) and a second lumen (6), wherein the first lumen (3) is distally provided with an aspiration opening (5) and the second lumen (6) of smaller cross section than the first lumen (3) and extending coaxially in the distal region (2) of the first lumen (3) being provided with a lateral (7) as well as distally located opening (8), said lateral opening (7) reaching through the wall of the catheter. Within the first lumen (3) a stabilization wire (11) is movably arranged which terminates distally of the lateral opening (7) of the second lumen (6) but proximally of the aspiration opening (5) of the first lumen (3).
