Device (1) for the treatment of urinary incontinence comprising an introducer needle (2) and a support element (3) that includes a tape and suitable fixing means for fixing said support element (3) to the needle of introduction (2) in a certain longitudinal zone (2c) of this (2), a) said fixing means comprise a fixing piece (4, 15), integral with the support element (3), made at least partially in an elastically deformable material and having at least one tubular part (8, 15a, 15b) having a longitudinal opening (7, 18, 19) arranged so that said tubular part (8, 15a, 15b) is suitable to reach to fit over the determined longitudinal zone (2c) of the introducer needle (2) by applying a force of said application piece (4, 15) according to a longitudinal opening substantially perpendicular or oblique to the introducer needle (2 ), b) including the fixing piece (4, 15) and the insertion needle (2) respectively first (11, 12) and a few seconds (9, 10) suitable stopping means to cooperate together to prevent the sliding of the fixing part ( 4, 15) in relation to the determined longitudinal zone (2c) of the insertion needle (2), when said fixing piece (4, 15) fits into this so-called longitudinal zone (2c), characterized in that c) said The device also includes a positioning element (24) made at least partially in an elastically deformable material whose first part (24a) covers an area (2d) of the insertion needle (2) and whose second part (24b) is in contact with the upper part of the fixing part (4, 15), so that the fitting of said fixing part (4, 15) with the insertion needle (2) is facilitated.Dispositivo (1) para el tratamiento de la incontinencia urinaria que comprende una aguja de introducción (2) y un elemento de sostenimiento (3) que incluye una cinta y unos medios de fijación adecuados para fijar dicho elemento de sostenimiento (3) a la aguja de introducción (2) en una zona longitudinal determinada (2c) de esta (2), a) dichos medios de fijación comprenden una pieza
