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    • 2. 发明申请
    • RETRACTOR TOOL
    • 返回工具
    • WO2013008176A1
    • 2013-01-17
    • PCT/IB2012/053516
    • 2012-07-10
    • NLT-SPINE LTD.LOEBL, OdedSHTERLING, AviSIEGAL, TzonyTOUBIA, Didier
    • LOEBL, OdedSHTERLING, AviSIEGAL, TzonyTOUBIA, Didier
    • A61B17/02
    • A61B17/025A61B2017/0256F04C2270/041
    • An apparatus for tissue separation comprises a hollow retractor expandable in at least one dimension, the retractor having upper and lower guide surface portions for contacting respective upper and lower tissue surfaces; a first dilator having a distal portion configured to fit inside the upper and lower guide surface portions of the retractor so as to expand a distance between the upper and lower guide surface portions of the retractor and thereby separate the upper and lower tissue surfaces by a first distance; and a second dilator having a distal portion configured to fit inside the upper and lower guide surface portions of the retractor so as to expand a distance between the upper and lower guide surface portions of the retractor and thereby render the upper and lower tissue surfaces being separated by a second distance, the second distance greater than the first distance.
    • 用于组织分离的装置包括可在至少一个尺寸上扩张的中空牵开器,所述牵开器具有用于接触相应的上部和下部组织表面的上部和下部引导表面部分; 第一扩张器,其具有构造成装配在牵开器的上部和下部引导表面部分内的远端部分,以便扩张牵开器的上部和下部引导表面部分之间的距离,从而将上部和下部组织表面分开第一 距离; 以及第二扩张器,其具有构造成配合在所述牵开器的上部和下部引导表面部分内侧的远侧部分,以便扩张牵开器的上部和下部引导表面部分之间的距离,从而使上部和下部组织表面分离 第二距离,第二距离大于第一距离。
    • 7. 发明申请
    • BONE SCREW WITH DEFLECTABLE PORTION
    • 带可拆卸部分的骨螺钉
    • WO2013018062A1
    • 2013-02-07
    • PCT/IB2012/053973
    • 2012-08-02
    • NLT SPINE LTD.SIEGAL, TzonyLOEBL, OdedTOUBIA, Didier
    • SIEGAL, TzonyLOEBL, OdedTOUBIA, Didier
    • A61B17/86A61B17/70
    • A61B17/864A61B17/7032A61B17/844A61B17/8625A61B17/8685
    • An anchoring element, such as a bone screw, may comprise an at least partially threaded shaft having a core and a longitudinal channel. An elongated element movable with the channel may be a tensioning element, for example affixed to the distal portion, and/or a rigid element. The core may have one or more lateral cut-outs, which may be V-shaped, at the distal portion. Each cut-out may be backed, by an effective hinge that may be displaced from the longitudinal axis, and may have a transverse slit between the hinge and an opposite surface of the core from the cut-out. Upon axial movement of the elongated element, e.g. toward a proximal end of the shaft, the distal portion may deflect to an angle from the shaft's longitudinal axis. Alternatively, the anchoring element may be pre-biased to deflect and maintained straight by a rigid element until axial movement of the rigid element.
    • 诸如骨螺钉的锚定元件可以包括具有芯部和纵向通道的至少部分螺纹的轴。 可以通过通道移动的细长元件可以是张紧元件,例如固定到远端部分,和/或刚性元件。 芯可以在远端部分具有一个或多个侧向切口,其可以是V形的。 每个切口可以通过可能从纵向轴线移位的有效铰链来支撑,并且可以在铰链和芯部与切口的相对表面之间具有横向狭缝。 在细长元件的轴向移动时,例如, 朝向轴的近端,远侧部分可以偏转成与轴的纵向轴线成一定角度。 或者,锚定元件可以被预偏置以通过刚性元件直线偏转并保持直到刚性元件的轴向运动。