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    • 4. 发明申请
    • SYSTEM AND METHOD FOR POLYAXIALLY ADJUSTABLE BONE ANCHORAGE
    • 多轴可调节骨锚固系统和方法
    • WO2008157284A1
    • 2008-12-24
    • PCT/US2008/066825
    • 2008-06-13
    • ROBERT REID, INCBUTTERS, Joshua, A.MARIETTA, Joseph, Q.
    • BUTTERS, Joshua, A.MARIETTA, Joseph, Q.
    • A61B17/86
    • A61B17/7037A61B17/7032A61B17/8605A61B17/8685Y10T29/49826
    • An implantable bone anchor assembly for fixing an elongated member such as a spinal rod may include a bone anchor, a coupling head configured to receive the bone anchor and the elongated member, and a locking mechanism. The locking mechanism may provide compressive force to simultaneously fix the position of the elongated member and lock out polyaxial rotation of the bone anchor relative to the coupling head. The locking mechanism may include an engagement member with an oblique surface configured to slide along an oblique surface of the coupling head into engagement with the elongated member. The bone anchor may comprise a head portion and a threaded portion which may be coupled with the coupling head and joined together during manufacture. The assembly may further include a pin and/or a collar to retain the bone anchor. The bone anchor may be side-loaded into the coupling head.
    • 用于固定诸如脊椎杆的细长构件的可植入骨锚固组件可以包括骨锚固件,构造成接收骨锚和细长构件的联接头以及锁定机构。 锁定机构可以提供压缩力以同时固定细长构件的位置并且锁定骨锚固件相对于联接头的多轴旋转。 锁定机构可以包括具有倾斜表面的接合构件,该倾斜表面被构造成沿着联接头的倾斜表面滑动以与细长构件接合。 骨锚可以包括头部和螺纹部分,螺纹部分可以与联接头联接并且在制造期间连接在一起。 组件还可以包括用于保持骨锚的销和/或套环。 骨锚可以侧向加载到联接头中。
    • 7. 发明申请
    • ROD CONTOURING ALIGNMENT LINKAGE
    • ROD轮廓对齐链接
    • WO2008039439A1
    • 2008-04-03
    • PCT/US2007/020650
    • 2007-09-25
    • STRYKER SPINEBUTTERS, Joshua, A.ARNETT, Jeffery
    • BUTTERS, Joshua, A.ARNETT, Jeffery
    • A61B17/88
    • A61B19/46A61B17/7002A61B17/7037A61B17/7074A61B17/708A61B17/86A61B17/8863A61B90/06A61B2090/061
    • Pedicle screws are designed to provide polyaxial coupling to pedicles of a vertebra. Intermediate pieces (80) are attached to the pedicles screws (140, 142, 148) and receive extender shafts (180A, 182A, 188A). Extenders (180A, 182A, 188A) are inserted in the intermediate pieces (80). The extenders (180A, 182A, 188A) project the anatomic points located in the cages (152) outside the patient's body to facilitate proper contouring of a rod. An alignment linkage (310) is used to ensure that the extenders (180A, 182A, 188A) are parallel to each other. The alignment linkage (310) includes a linkage frame (312), an articulating linkage (314) and a locking member (316). The articulating linkage (314) has all rotational degrees of freedom and thereby adapts to any varying trajectories of the extenders and distance between the extenders. The alignment linkage (310) includes a locking member (316) with a pop-up indicator. The pop-up indicator notifies the users when the locking member (316) is tightened with two of the extenders in non-parallel configuration.
    • 椎弓根螺钉设计用于提供椎骨椎弓根的多轴联接。 中间件(80)附接到椎弓根螺钉(140,142,148)并且接收延长轴(180A,182A,188A)。 扩展器(180A,182A,188A)插入中间件(80)中。 延伸器(180A,182A,188A)将位于病人身体外部的笼子(152)中的解剖点投射以便于杆的适当轮廓。 使用对准连杆(310)来确保扩展器(180A,182A,188A)彼此平行。 对准连杆机构(310)包括连杆机架(312),铰接连杆机构(314)和锁定部件(316)。 铰接连杆(314)具有所有旋转自由度,从而适应延伸器的任何变化的轨迹和延伸器之间的距离。 对准联动装置(310)包括具有弹出指示器的锁定构件(316)。 当两个扩展器处于非并联配置时,锁定构件(316)被紧固时,弹出指示器通知用户。
    • 10. 发明申请
    • PERCUTANEOUS COMPRESSION AND DISTRACTION SYSTEM
    • PERCUTANEOUS COMPRESSION和DISTRACTION系统
    • WO2008039447A1
    • 2008-04-03
    • PCT/US2007/020660
    • 2007-09-25
    • STRYKER SPINEARNETT, JefferyBUTTERS, Joshua, A.
    • ARNETT, JefferyBUTTERS, Joshua, A.
    • A61B17/02A61B17/88
    • A61B17/025A61B17/7001A61B17/7077A61B17/7079A61B2017/0256
    • The present invention provides a compression and distraction shaft assembly used to apply compression and distraction to bones including vertebrae. Shaft A assembly (20) and shaft B assembly (22) are attached together via a polyaxial fulcrum (38). The polyaxial fulcrum (38) allows all rotational degrees of freedom between shaft A assembly (20) and shaft B assembly (22) - Such fulcrum, during compression and distraction, does not impart ancillary stresses or motion to vertebrae. A hour glass shaped bore (54) for engaging pliers is formed in approximately middle of both the shaft A assembly (20) and the shaft B assembly (22). A distraction pliers (60) having cylindrical tips (70, 90) is used to apply distraction to vertebrae. Once handles (62, 64) are pressed to impart appropriate amount of distraction to the vertebrae they are locked in this position. A compression pliers (110) having cylindrical tips (120, 150) is used to apply compression to vertebrae. Once handles (112, 114) are pressed to impart appropriate amount of compression to the vertebrae they are locked in this position.
    • 本发明提供了一种用于对包括椎骨的骨头施加压缩和分心的压缩和牵引轴组件。 轴组件(20)和轴B组件(22)通过多轴支点(38)连接在一起。 多轴支点(38)允许轴A组件(20)和轴B组件(22)之间的所有旋转自由度 - 在压缩和牵引期间的这种支点不会对椎骨施加辅助应力或运动。 用于接合钳子的小时玻璃形孔(54)形成在轴A组件(20)和轴B组件(22)的大致中间。 使用具有圆柱形尖端(70,90)的牵引钳(60)将分心应用于椎骨。 一旦按下手柄(62,64)以向椎骨施加适当数量的分心,则它们被锁定在该位置。 具有圆柱形尖端(120,150)的压紧钳(110)用于对椎骨施加压缩。 一旦按压手柄(112,114)以向椎骨施加适当量的压缩,则它们被锁定在该位置。