Kyungpook National University Industry-Academic Cooperation Foundation
发明人:
申请号:
EP17174264.6
公开号:
EP3254633B1
申请日:
2017.06.02
申请国别(地区):
EP
年份:
2019
代理人:
摘要:
A screw anchor assembly used in pedicle screw fixation is provided. The screw anchor assembly includes a screw (10) having screw threads (20) defined on a circumferential surface, and a screw anchor (30) having a first end and a second end, an accommodating part (50) defined by anchor screw threads (40) on an inner surface of the screw anchor and having one end to receive the screw, and a locking step (60) extended in a circumferential direction from the first end of the screw anchor. The accommodating part flexibly extends when the screw is screw-coupled to the screw anchor.