A new teshnique using an ultrasound Dopper blood flow detector was applied during anesthesia in 48 patients for the percutaneous caheterization of the internal jugular bumb. It is recognized that the tehnique is very easy and no complication or dislocation of the catheter tip occurred.
                                 
                                
                                        Doppler detector
                                        percutaneus catheterization
                                        internal jugular bulb