A cassette module for processing blood and therapeutic fluids in an extracorporeal blood treatment, dialysis or infusion technology, comprising: a base body (202, 302, 402, 502, 602, 702, 802, 902, 1002) having a first side and a second side opposite the first side, fluid channels (207, 207a, 307, 307a, 407, 407a, 507, 507a, 607, 607a, 707, 707a, 907, 907a, 1007, 1007a) integrated on the base body, and a receiving unit (304, 404, 504, 704, 804, 904, 1004) for receiving a centrifugal pump means (308, 408, 508, 708, 1008) for delivering fluids, wherein the base body has a base plate which defines the first side and the second side of the base body, at least some of the fluid channels are arranged on the first side and the receiving unit for the centrifugal pump means is arranged on the second side, the receiving unit for the centrifugal pump means is in fluid communication with the fluid channels on the first side during operation, the fluid channels (207, 207a, 307, 307a, 407, 407a, 507, 507a, 607, 607a, 707, 707a, 907, 907a, 1007, 1007a) are partially formed by side walls (206, 306, 406, 606) which are mounted on the base body at a right angle to the extension surface of the base plate and bound the fluid channels at the sides, with the fluid channels (207, 207a, 307, 307a, 407, 407a, 507, 507a, 607, 607a, 707, 707a, 907, 907a, 1007, 1007a) on the first side or the second side being covered by a film (611, 711, 811, 911) and being at least partially connected to the lateral bounding perpendicular side walls (206, 306, 406, 606) bounding the channels at the sides so that the fluid channels are bounded by the base plate, the perpendicular side walls and the film. a base body (202, 302, 402, 502, 602, 702, 802, 902, 1002) having a first side and a second side opposite the first side, fluid channels (207, 207a, 307, 307a, 407, 407a, 507, 507a, 607, 607a, 707, 707a, 907, 907a, 1007, 1007a) integrated on the base body, and a receiving unit (304, 404, 504, 704, 804, 904, 1004) for receiving a centrifugal pump means (308, 408, 508, 708, 1008) for delivering fluids, wherein the base body has a base plate which defines the first side and the second side of the base body, at least some of the fluid channels are arranged on the first side and the receiving unit for the centrifugal pump means is arranged on the second side, the receiving unit for the centrifugal pump means is in fluid communication with the fluid channels on the first side during operation, the fluid channels (207, 207a, 307, 307a, 407, 407a, 507, 507a, 607, 607a, 707, 707a, 907, 907a, 1007, 1007a) are partially formed by side walls (206, 306, 406, 606) which are mounted on the base body at a right angle to the extension surface of the base plate and bound the fluid channels at the sides, with the fluid channels (207, 207a, 307, 307a, 407, 407a, 507, 507a, 607, 607a, 707, 707a, 907, 907a, 1007, 1007a) on the first side or the second side being covered by a film (611, 711, 811, 911) and being at least partially connected to the lateral bounding perpendicular side walls (206, 306, 406, 606) bounding the channels at the sides so that the fluid channels are bounded by the base plate, the perpendicular side walls and the film.