Benjamin Arnold,Charles M. Bartish, Jr.,Seungkyu Daniel Kwak,William L. Dunbar, Jr.,John Riley Hawkins,Amie Borgstrom,Erasmo A. López,Anwar M. Upal,Missoum Moumene
申请号:
US11646961
公开号:
US08409256B2
申请日:
2006.12.28
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A spine stabilization system having a dynamic screw comprises at least one bone anchor assembly comprising a receiver member and a bone engaging member pivotably connected to the receiver member. A bearing is provided in the receiver member that engages a portion of the bone engaging member. An elongated connecting member is connected to the receiver member. A retention member insert is provided within the receiver member between the elongated connecting member and the bearing. The retention member is configured to secure the bearing within the retention member.