Patent ID: 6793657
Filing Date: 2004-09-21
Classification: A61B

Abstract:
A spine fixing apparatus comprising:a plurality of spine screw members fixedly coupleable to a spine in a predetermined interval; a pair of rods coupled to the spine screw members for supporting the spine; a plurality of fixing nuts coupled to the spine screw members; a plurality of pressing pieces interposed between the fixing nuts and the spine screw members for pressing and fixing rods; and a plurality of unthreaded guiding portions extending from upper ends of threaded portions of the spine screw members in the longitudinal direction of the spine screw members for respectively guiding the fixing nuts, wherein each of the pressing members is provided with a coupling hole formed at the center of the pressing member coaxial with the spine screw member and an inner fixing screw inserted in to the coupling hole for fixedly pressing the upper surface of the rod.