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公开(公告)号:US06077262A
公开(公告)日:2000-06-20
申请号:US803550
申请日:1997-02-20
CPC分类号: A61B17/7032
摘要: A spinal screw or hook has a slotted head to receive a support rod. A two-piece rod retainer is provided with an outer ring-like collar locked into the interior of the slotted head and a fastener extending through the collar to contact a support rod in the bottom of the slot.
摘要翻译: 脊椎螺钉或钩具有开槽头以接收支撑杆。 两片式杆保持器设置有锁定在开槽头部内部的外环状套环和延伸穿过套环的紧固件以接触狭槽底部的支撑杆。