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    • 36. 发明授权
    • Artificial disc
    • 人造盘
    • US09408714B1
    • 2016-08-09
    • US14737748
    • 2015-06-12
    • Amendia, Inc.
    • Dale Whipple
    • A61F2/44
    • A61F2/4425A61F2002/30054A61F2002/30079A61F2002/30576A61F2002/30649A61F2002/443A61F2310/00017A61F2310/00179
    • An improved artificial disc has a superior and inferior member. The superior member has an upper body portion and a flange portion for positioning and attachment to an upper vertebral body. The inferior member has a lower body portion and a flange portion for positioning and attachment to a lower vertebral body. The upper body portion and the lower body portions, when positioned in a disc space between the upper and lower vertebral bodies and affixed to a respective vertebral body at the flange portion, are independently movable relative to the other along complimentary bearing surfaces on each of the superior and inferior members. The complimentary bearing surfaces are self-aligned by a magnetic attraction force generated by at least one first permanent magnet in either the inferior or superior member.
    • 改进的人造盘具有上下成员。 上部构件具有上身部分和用于定位和附接到上椎体的凸缘部分。 下部构件具有下主体部分和用于定位和附接到下椎体的凸缘部分。 当上身体部分和下主体部分定位在上椎体和下椎体之间的椎间盘空间中并且在凸缘部分处固定到相应的椎骨体时,可相对于彼此独立地沿着互补的支承表面移动 上下级会员。 互补轴承表面通过由下部件或上部构件中的至少一个第一永磁体产生的磁吸力而自对准。