Patent ID: 8617226
Filing Date: 2013-12-31
Classification: A61B

Abstract:
1. A screw for fixing vertebrae comprising: a screw head with a screw head inserting hole formed therein; a screw body, which is formed monolithically with the screw head, having a screw body inserting hole formed longitudinally therein in communication with the screw head inserting hole, and a screw body screw part formed on the outer circumference thereof; a moving member which is inserted in the screw body inserting hole slidably lengthwise and has a protrusion means protruded through one or more through holes formed on the outer circumference of the screw body, and a moving member screw part formed inside of the screw body; an actuating bolt having an actuating bolt screw part screw-joined with the moving member screw part to be rotatably mounted in the screw head inserting hole; and a stripper bolt which is inserted into the screw head inserting hole to fix a connecting rod arranged on the actuating bolt.