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.
申请公布号
CA2674147(C)
申请公布日期
2015.02.10
申请号
CA20072674147
申请日期
2007.12.19
申请人
DEPUY SPINE, INC.
发明人
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