Polyaxial bottom-loading screw and rod assembly

摘要: An anchor assembly for use in spinal fixation to interconnect a longitudinal rod, which is integrally formed with body of the assembly. The includes bone anchor, collet, portion, rod and locking cap. preferably configured so that use, may be secured patient's vertebra prior being received within portion. enables surgeon implant without portion maximize visibility access around anchoring site. Once has been vertebra, inserted into rod-receiving channel second element having implanted at site can snapped-onto anchor.