Biased angle polyaxial pedicle screw assembly

The slot which was made to 受承 a vertical component by the screw head is prepared [a vertical component, the screw head which has a globular form end, and], The parts for bone fixation which have the top part to which the angle which 偏倚 (ed) was attached, and the round bottom, and have the concave form socket which was made to 受承 the screw head, The screw assembly object for handle junction possessing the screw head, the parts for bone fixation and the fixed pin that engaging of clutch was made to be carried out to a vertical component, and the blocker carry out [blocker] engaging of clutch to the screw head, and it is made to have a vertical component fixed, and the method of assembling. Furthermore, the parts for bone fixation are formed for any of the screw for bone junction, or a hook being.