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    • 5. 发明申请
    • AN IMPROVED ORTHOPEDIC FIXATION DEVICE WITH ZERO BACKLASH AND ADJUSTABLE COMPLIANCE, AND PROCESS FOR ADJUSTING SAME
    • 具有零背和可调合规性的改进的正齿固定装置及其调整方法
    • WO2008134624A1
    • 2008-11-06
    • PCT/US2008/061756
    • 2008-04-28
    • KARIDIS, John, Peter
    • KARIDIS, John, Peter
    • A61B17/70A61B17/56
    • A61B17/62
    • An orthopedic fixator for positioning a first element relative to a second element with precision and with controlled compliance which can be adjusted during the healing process. One embodiment comprises a first frame for attachment to the first element, a second frame attached to the first frame through a plurality of adjustable effective length struts, and a third frame for attachment to the second element, wherein the third frame is compliantly attached to the second frame. A preferred embodiment comprises adjustable length preload elements to apply unidirectional forces between the first and second frames so as preload the adjustable effective length struts and substantially reduce the positional tolerance. An alternative embodiment comprises adjustable spring elements allowing the compliance of the attachment of the third frame to the second frame to be adjusted at various points in the healing process.
    • 矫形固定器,其用于相对于第二元件相对于第二元件精确定位并具有受控的顺应性,其可以在愈合过程中进行调整。 一个实施例包括用于附接到第一元件的第一框架,通过多个可调节有效长度支柱附接到第一框架的第二框架,以及用于附接到第二元件的第三框架,其中第三框架顺从地附接到 第二帧。 优选实施例包括可调节的长度预加载元件以在第一和第二框架之间施加单向力,以便预加载可调节的有效长度支柱并且基本上减小位置公差。 替代实施例包括可调弹簧元件,允许第三框架的附件与第二框架的顺应性在愈合过程中的各个点处被调节。
    • 6. 发明申请
    • FIXATOR APPARATUS WITH RADIOTRANSPARENT APERTURES FOR ORTHOPAEDIC APPLICATIONS
    • 用于矫形应用的具有放射性散光孔的固定器装置
    • WO2009018398A2
    • 2009-02-05
    • PCT/US2008/071671
    • 2008-07-30
    • KARIDIS, John, Peter
    • KARIDIS, John, Peter
    • A61B17/66
    • A61B17/62A61B90/361A61B2034/304
    • An orthopaedic fixator apparatus with a first ring segment and a second ring segment for fixing a first and second bone element, a first post extending from the first ring segment towards the second ring segment, a second post extending from the second ring segment towards the first ring, a plurality of adjustable-length struts extending from the first ring segment and first post to the second ring segment and second post, wherein the lengths of the adjustable-length struts define the orientation of the first ring segment relative to the second ring segment, and wherein the apparatus provides a substantial central region free of x-ray obstruction. An additional embodiment enables convenient adjustment of the vertical compliance of the fixator by selectively disengaging one or more disengageable locking pins in one or more vertically oriented struts.
    • 具有用于固定第一和第二骨元件的第一环段和第二环段的第一柱,从第一环段向第二环段延伸的第一柱,延伸到第二环段的第二柱, 从所述第二环段朝向所述第一环,多个可调节长度的支柱从所述第一环段和第一柱延伸到所述第二环段和第二柱,其中所述可调节长度的支柱的长度限定所述第一环 环段相对于第二环段,并且其中该设备提供没有X射线阻碍的基本中心区域。 通过选择性地分离一个或多个垂直取向的支柱中的一个或多个可脱离的锁定销,另外的实施方式能够方便地调整固定器的垂直顺应性。