公开(公告)号：EP3285667A1

公开(公告)日：2018-02-28

申请号：EP16784067

申请日：2016-04-25

申请人： K2M INC

发明人： BLAKEMORE LAUREL ,  ROSS CATHERINE

IPC分类号： A61B17/70

CPC分类号： A61B17/7022 ,  A61B17/7032

摘要： A tethering screw system includes a bone screw, a fastening member, and a securing member. The bone screw includes a threaded shank and a head portion. The head portion includes inner walls defining a slot and a recess distal of the slot. The fastening member is received in the recess of the head portion of the bone screw. The securing member has an engaging portion and a set screw rotatably coupled with the engaging portion. The engaging portion is configured to secure the fastening member in the recess of the head portion. The set screw is configured to threadably engage the inner walls of the head portion of bone screw, wherein when the set screw threadably engages the inner walls of the head portion of the bone screw, the engaging portion advances relative to the fastening member to secure the fastening member in the recess of the head portion.