●  Easyto use, with precise position and orientation.

●  Shorterprocedure time to implant the posterior column screws.

●  Highrate of successful screw implantation with the Guidance System.

●  Higherefficiency with precise insertion in one time.

●  Advantagesin rigid fixation, longer screws can be implanted with safety guaranteed.

●  Simplestructure and small size to be applied, easy to be assembled, transported andsterilized.