ARNOLD, BENJAMIN,BARTISH, CHARLES M., JR.,KWAK, SEUNGKYU DANIEL,DUNBAR, WILLIAM L., JR.,UPAL, ANWAR M.,HAWKINS, JOHN RILEY,BORGSTROM, AMIE,LOPEZ, ERASMO A.,MOUMENE, MISSOUM
申请号:
CA2674147
公开号:
CA2674147C
申请日:
2007.12.19
申请国别(地区):
CA
年份:
2015
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.