A variety of instruments can be selected to suit different clinical habits
The notch is lower with the 3.5mm diameter rod
Different occipital fixation methods can be selected
Low residential notch produces less stimulation to surrounding soft tissue that improve the comfort to patient.
Negative angle threads design can effectively prevent the screw from expanding
Special polyaixal screw design, the maximum angle can reache 55°
The shifter facilitates the non-linear arranged screws to install.