Twenty patients, aged 54.4 +/- 12.6 years, suffering from genuine stress urinary incontinence underwent intravaginal slingplasty. The mechanical support for the urethra provided prolen mesh tape. The aim of the study was the assessment of clinical efficacy of newly introduced method of the treatment of genuine stress urinary incontinence. The diagnosis of urinary incontinence was based on patients' history, Gaudenz questionnaire and the results of urodynamic investigation. The mean time of surgical procedure was 20 minutes. The follow-up which was done after 1.5 to 7 months from the operation revealed that all patients remained continent. Among complications related to the procedure were 2 cases of cystotomy, 1 case of retropubic haematoma and 2 cases of urinary retention. None complication required invasive treatment and influenced the end results of the therapy.