Flow component particularly for haemodialysismedical lines comprising a duct (2) having a first anda second end tubular connector (3, 4) coaxial to eachother and designed to be connected to the line, and anintermediate tubular connector (8) of the female luertype arranged orthogonally to the duct (2). A hollowelastic element (9) substantially extends along theentire intermediate tubular connector (8) and the body(1) is internally configured so that, in use, the flowalong the duct (2) is partly diverted towards theintermediate tubular connector (8) and introduced witha swirling motion along the cavity (12) of the hollowelastic element (9).