and the stator side end is inclined with respect to a fluid flow direction application_number US 56274004 A description in the steam turbine final stage shown diagrammatically in a side view in fig1 the walls delimiting a throughflow duct 1 are on the one hand a rotor side duct wall 3 and on the other hand a stator side duct wall 5 the stator side duct wall 5 belongs to an inner casing 6 a final stage consists of a row of guide blades and a row of moving blades of which in each case only one guide blade 10 and one moving blade 11 is shown in fig1 for the sake of clarity the guide blades are fastened to the inner casing 6 in a way not illustrated the moving blades are fastened in the rotor 2 in a way not illustrated the guide blade 10 has a stator side end 7 a middle region 8 and a rotor side end 9 a flow medium can flow through the duct 1 in the direction of flow 4 the direction of flow 4 is essentially parallel to an axis of rotation 12 of the rotor 2 the guide blade 10 has a leading edge 13 and a trailing edge 14 which are formed over the entire blade height the moving blade 11 likewise has a leading edge 15 and a trailing edge 16 as.