Kyungpook National University Industry-Academic Cooperation Foundation
发明人:
KIM, Kyoungtae
申请号:
EP16824674
公开号:
EP3323363A4
申请日:
2016.07.11
申请国别(地区):
EP
年份:
2019
代理人:
摘要:
A screw anchor assembly is a screw anchor assembly used in spinal screw fixation, and includes a screw having screw threads in a lengthwise direction, and a screw anchor which is inserted into a predefined position of spine, and has anchor threads on an inner surface defining a receiving part into which the screw is inserted, the receiving part being expanded during screw coupling with the screw, wherein the screw anchor includes a plurality of divisions formed along a lengthwise direction, and has overlapping parts between adjacent divisions in the plurality of divisions.