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发明名称
一种脊柱固定装置
摘要
一种脊柱固定装置:包括椎弓根固定柱及椎弓根螺钉、用于脊柱骨折、滑脱复位固定,其特征是:椎弓根固定柱为半圆柱体,沿半圆柱体纵轴中间设置一排直径相等、距离相等的连续弧形通孔,每个弧形通孔内均可进入椎弓根螺钉,且螺钉不滑向邻近弧形通孔。椎弓根螺钉为粗直径、粗螺纹,椎弓根螺钉尾部位于椎弓根固定柱弧形通孔中的部分为圆柱体,圆柱体长度与弧形通孔深度相同,圆柱体直径比弧形通孔直径略小。椎弓根螺钉经固定柱弧形通孔、椎弓根与脊柱固定连接。
申请公布号
CN2165814Y
申请公布日期
1994.05.25
申请号
CN93236902.2
申请日期
1993.05.21
申请人
刘兴东
发明人
刘兴东
分类号
A61B17/56
主分类号
A61B17/56
代理机构
代理人
主权项
1、一种脊柱固定装置:由椎弓根固定柱及椎弓根螺钉组成,其特征是:椎弓根固定柱为半园柱体,半园柱体的纵轴中间设置一排直径相等,距离相等的连续弧形通孔,每个弧形通孔内均可进入椎弓根螺钉且螺钉不滑向邻近弧形通孔,椎弓根螺钉经椎弓根固定柱弧形通孔与脊柱固定连接。
地址
226600江苏省海安县人民医院
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