 The most used airway management strategies are different types of supraglottic airway devices SAD for transurethral resection of bladder and ureteroscopy in urological surgery . Classical laryngeal mask airway LMA-C and I-Gel SADs are being used already. The aim of this study was to evaluate and compare the performance of a new type of SAD the Baska Mask with I-gel and LMA-C regarding their insertion times, durations, perioperative complications and effects on hemodynamic parameters, peak airway pressures Paw and airway plato pressures in urological surgery as well. 