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1.发明授权Methods and apparatuses for vertebral body distraction and fusion employing a coaxial screw gear sleeve mechanism 有权使用同轴螺旋齿轮套筒机构进行椎体牵引和融合的方法和装置公开(公告)号：US08771360B2
公开(公告)日：2014-07-08
申请号：US13591463
申请日：2012-08-22
IPC分类号： A61F2/44
CPC分类号： A61F2/4465 , A61B17/7065 , A61B2017/0256 , A61B2017/681 , A61F2/385 , A61F2/3868 , A61F2/4455 , A61F2/447 , A61F2/4611 , A61F2002/2817 , A61F2002/2835 , A61F2002/30235 , A61F2002/30405 , A61F2002/30434 , A61F2002/30523 , A61F2002/30525 , A61F2002/30556 , A61F2002/30579 , A61F2002/30593 , A61F2002/30601 , A61F2002/30604 , A61F2002/3063 , A61F2002/3064 , A61F2002/30644 , A61F2002/30645 , A61F2002/3082 , A61F2002/30841 , A61F2002/30904 , A61F2002/30925 , A61F2002/3409 , A61F2002/3631 , A61F2002/448 , A61F2002/4628 , A61F2002/4629 , A61F2002/482 , A61F2002/5041 , A61F2002/5069 , A61F2002/507 , A61F2220/0025 , A61F2220/0041 , A61F2230/0069 , A61F2240/001 , A61F2250/0009 , A61F2310/00023 , A61F2310/00029 , A61F2310/00796 , A61F2310/00976 , A61F2310/00982 , A61F2310/00988 , A61F2310/00994 , F16H25/20 , F16H25/2056 , F16H25/2214 , F16H2025/2046 , F16H2025/2084 , F16H2025/209 , Y10T29/49 , Y10T74/18608 , Y10T74/18672 , Y10T74/19702 , Y10T74/19749
摘要： Improved methods and apparatuses for vertebral body distraction and fusion in accordance with various embodiments of the present invention employ one or more coaxial screw gear sleeve mechanisms. In various embodiments, coaxial screw gear sleeve mechanisms include a post with a threaded exterior surface and a corresponding sleeve configured to surround the post, the corresponding sleeve having a threaded interior surface configured to interface with the threaded exterior surface of the post and a geared exterior surface. A drive mechanism can be configured to interface with the geared exterior surface of the sleeve, causing the device to distract.
摘要翻译： 根据本发明的各种实施例的用于椎体牵引和融合的改进的方法和装置采用一个或多个同轴螺旋齿轮套筒机构。 在各种实施例中，同轴螺旋齿轮套筒机构包括具有螺纹外表面的柱和配置成围绕柱的相应套筒，相应的套筒具有螺纹内表面，该内表面被配置为与柱的螺纹外表面相接合， 表面。 驱动机构可以配置成与套筒的齿轮外表面相接触，导致设备分散注意力。
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公开(公告)号：US09358125B2
公开(公告)日：2016-06-07
申请号：US12841869
申请日：2010-07-22
IPC分类号： F16H25/20 , A61F2/44 , A61F2/46 , A61B17/70 , A61B17/02 , A61F2/38 , A61F2/28 , A61F2/30 , A61F2/34 , A61F2/36 , A61F2/48 , A61F2/50
CPC分类号： A61F2/4465 , A61B17/7065 , A61B2017/0256 , A61B2017/681 , A61F2/385 , A61F2/3868 , A61F2/4455 , A61F2/447 , A61F2/4611 , A61F2002/2817 , A61F2002/2835 , A61F2002/30235 , A61F2002/30405 , A61F2002/30434 , A61F2002/30523 , A61F2002/30525 , A61F2002/30556 , A61F2002/30579 , A61F2002/30593 , A61F2002/30601 , A61F2002/30604 , A61F2002/3063 , A61F2002/3064 , A61F2002/30644 , A61F2002/30645 , A61F2002/3082 , A61F2002/30841 , A61F2002/30904 , A61F2002/30925 , A61F2002/3409 , A61F2002/3631 , A61F2002/448 , A61F2002/4628 , A61F2002/4629 , A61F2002/482 , A61F2002/5041 , A61F2002/5069 , A61F2002/507 , A61F2220/0025 , A61F2220/0041 , A61F2230/0069 , A61F2240/001 , A61F2250/0009 , A61F2310/00023 , A61F2310/00029 , A61F2310/00796 , A61F2310/00976 , A61F2310/00982 , A61F2310/00988 , A61F2310/00994 , F16H25/20 , F16H25/2056 , F16H25/2214 , F16H2025/2046 , F16H2025/2084 , F16H2025/209 , Y10T29/49 , Y10T74/18608 , Y10T74/18672 , Y10T74/19702 , Y10T74/19749
摘要： An improved mechanism for expanding or lifting a device in accordance with various embodiments of the present invention is a coaxial screw gear sleeve mechanism. In various embodiments, coaxial screw gear sleeve mechanisms includes a post with a threaded exterior surface and a corresponding sleeve configured to surround the post, the corresponding sleeve having a threaded interior surface configured to interface with the threaded exterior surface of the post and a geared exterior surface. A drive mechanism can be configured to interface with the geared exterior surface of the sleeve, causing a device utilizing such a mechanism to expand or lift between a collapsed configuration and an expanded configuration.
摘要翻译： 根据本发明的各种实施例的用于扩展或提升装置的改进机构是同轴螺旋齿轮套筒机构。 在各种实施例中，同轴螺旋齿轮套筒机构包括具有螺纹外表面的柱和配置成围绕柱的相应套筒，相应的套筒具有螺纹内表面，该内表面被配置为与柱的螺纹外表面相接合， 表面。 驱动机构可被配置为与套筒的齿轮外表面相接触，导致利用这种机构的装置在收缩构型和膨胀构型之间膨胀或提升。
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3.发明申请METHODS AND APPARATUSES FOR VERTEBRAL BODY DISTRACTION AND FUSION EMPLOYING A COAXIAL SCREW GEAR SLEEVE MECHANISM 有权使用同轴螺旋齿轮机构的VERTEBRAL BODY DISPACTION和FUSION的方法和装置公开(公告)号：US20110160861A1
公开(公告)日：2011-06-30
申请号：US12841465
申请日：2010-07-22
IPC分类号： A61F2/44
CPC分类号： A61F2/4465 , A61B17/7065 , A61B2017/0256 , A61B2017/681 , A61F2/385 , A61F2/3868 , A61F2/4455 , A61F2/447 , A61F2/4611 , A61F2002/2817 , A61F2002/2835 , A61F2002/30235 , A61F2002/30405 , A61F2002/30434 , A61F2002/30523 , A61F2002/30525 , A61F2002/30556 , A61F2002/30579 , A61F2002/30593 , A61F2002/30601 , A61F2002/30604 , A61F2002/3063 , A61F2002/3064 , A61F2002/30644 , A61F2002/30645 , A61F2002/3082 , A61F2002/30841 , A61F2002/30904 , A61F2002/30925 , A61F2002/3409 , A61F2002/3631 , A61F2002/448 , A61F2002/4628 , A61F2002/4629 , A61F2002/482 , A61F2002/5041 , A61F2002/5069 , A61F2002/507 , A61F2220/0025 , A61F2220/0041 , A61F2230/0069 , A61F2240/001 , A61F2250/0009 , A61F2310/00023 , A61F2310/00029 , A61F2310/00796 , A61F2310/00976 , A61F2310/00982 , A61F2310/00988 , A61F2310/00994 , F16H25/20 , F16H25/2056 , F16H25/2214 , F16H2025/2046 , F16H2025/2084 , F16H2025/209 , Y10T29/49 , Y10T74/18608 , Y10T74/18672 , Y10T74/19702 , Y10T74/19749
摘要： Improved methods and apparatuses for vertebral body distraction and fusion in accordance with various embodiments of the present invention employ one or more coaxial screw gear sleeve mechanisms. In various embodiments, coaxial screw gear sleeve mechanisms include a post with a threaded exterior surface and a corresponding sleeve configured to surround the post, the corresponding sleeve having a threaded interior surface configured to interface with the threaded exterior surface of the post and a geared exterior surface. A drive mechanism can be configured to interface with the geared exterior surface of the sleeve, causing the device to distract.
摘要翻译： 根据本发明的各种实施例的用于椎体牵引和融合的改进的方法和装置采用一个或多个同轴螺旋齿轮套筒机构。 在各种实施例中，同轴螺旋齿轮套筒机构包括具有螺纹外表面的柱和配置成围绕柱的相应套筒，相应的套筒具有螺纹内表面，该内表面被配置为与柱的螺纹外表面相接合， 表面。 驱动机构可以配置成与套筒的齿轮外表面相接触，导致设备分散注意力。
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4.发明申请METHODS AND APPARATUSES FOR VERTEBRAL BODY DISTRACTION AND FUSION EMPLOYING A COAXIAL SCREW GEAR SLEEVE MECHANISM 有权使用同轴螺旋齿轮机构的VERTEBRAL BODY DISPACTION和FUSION的方法和装置公开(公告)号：US20120323329A1
公开(公告)日：2012-12-20
申请号：US13591463
申请日：2012-08-22
IPC分类号： A61F2/44
CPC分类号： A61F2/4465 , A61B17/7065 , A61B2017/0256 , A61B2017/681 , A61F2/385 , A61F2/3868 , A61F2/4455 , A61F2/447 , A61F2/4611 , A61F2002/2817 , A61F2002/2835 , A61F2002/30235 , A61F2002/30405 , A61F2002/30434 , A61F2002/30523 , A61F2002/30525 , A61F2002/30556 , A61F2002/30579 , A61F2002/30593 , A61F2002/30601 , A61F2002/30604 , A61F2002/3063 , A61F2002/3064 , A61F2002/30644 , A61F2002/30645 , A61F2002/3082 , A61F2002/30841 , A61F2002/30904 , A61F2002/30925 , A61F2002/3409 , A61F2002/3631 , A61F2002/448 , A61F2002/4628 , A61F2002/4629 , A61F2002/482 , A61F2002/5041 , A61F2002/5069 , A61F2002/507 , A61F2220/0025 , A61F2220/0041 , A61F2230/0069 , A61F2240/001 , A61F2250/0009 , A61F2310/00023 , A61F2310/00029 , A61F2310/00796 , A61F2310/00976 , A61F2310/00982 , A61F2310/00988 , A61F2310/00994 , F16H25/20 , F16H25/2056 , F16H25/2214 , F16H2025/2046 , F16H2025/2084 , F16H2025/209 , Y10T29/49 , Y10T74/18608 , Y10T74/18672 , Y10T74/19702 , Y10T74/19749
摘要： Improved methods and apparatuses for vertebral body distraction and fusion in accordance with various embodiments of the present invention employ one or more coaxial screw gear sleeve mechanisms. In various embodiments, coaxial screw gear sleeve mechanisms include a post with a threaded exterior surface and a corresponding sleeve configured to surround the post, the corresponding sleeve having a threaded interior surface configured to interface with the threaded exterior surface of the post and a geared exterior surface. A drive mechanism can be configured to interface with the geared exterior surface of the sleeve, causing the device to distract.
摘要翻译： 根据本发明的各种实施例的用于椎体牵引和融合的改进的方法和装置采用一个或多个同轴螺旋齿轮套筒机构。 在各种实施例中，同轴螺旋齿轮套筒机构包括具有螺纹外表面的柱和配置成围绕柱的相应套筒，相应的套筒具有螺纹内表面，该内表面被配置为与柱的螺纹外表面相接合， 表面。 驱动机构可以配置成与套筒的齿轮外表面相接触，导致设备分散注意力。
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5.发明授权Methods and apparatuses for vertebral body distraction and fusion employing a coaxial screw gear sleeve mechanism 有权使用同轴螺旋齿轮套筒机构进行椎体牵引和融合的方法和装置公开(公告)号：US08303663B2
公开(公告)日：2012-11-06
申请号：US12841465
申请日：2010-07-22
IPC分类号： A61F2/44
CPC分类号： A61F2/4465 , A61B17/7065 , A61B2017/0256 , A61B2017/681 , A61F2/385 , A61F2/3868 , A61F2/4455 , A61F2/447 , A61F2/4611 , A61F2002/2817 , A61F2002/2835 , A61F2002/30235 , A61F2002/30405 , A61F2002/30434 , A61F2002/30523 , A61F2002/30525 , A61F2002/30556 , A61F2002/30579 , A61F2002/30593 , A61F2002/30601 , A61F2002/30604 , A61F2002/3063 , A61F2002/3064 , A61F2002/30644 , A61F2002/30645 , A61F2002/3082 , A61F2002/30841 , A61F2002/30904 , A61F2002/30925 , A61F2002/3409 , A61F2002/3631 , A61F2002/448 , A61F2002/4628 , A61F2002/4629 , A61F2002/482 , A61F2002/5041 , A61F2002/5069 , A61F2002/507 , A61F2220/0025 , A61F2220/0041 , A61F2230/0069 , A61F2240/001 , A61F2250/0009 , A61F2310/00023 , A61F2310/00029 , A61F2310/00796 , A61F2310/00976 , A61F2310/00982 , A61F2310/00988 , A61F2310/00994 , F16H25/20 , F16H25/2056 , F16H25/2214 , F16H2025/2046 , F16H2025/2084 , F16H2025/209 , Y10T29/49 , Y10T74/18608 , Y10T74/18672 , Y10T74/19702 , Y10T74/19749
摘要： Improved methods and apparatuses for vertebral body distraction and fusion in accordance with various embodiments of the present invention employ one or more coaxial screw gear sleeve mechanisms. In various embodiments, coaxial screw gear sleeve mechanisms include a post with a threaded exterior surface and a corresponding sleeve configured to surround the post, the corresponding sleeve having a threaded interior surface configured to interface with the threaded exterior surface of the post and a geared exterior surface. A drive mechanism can be configured to interface with the geared exterior surface of the sleeve, causing the device to distract.
摘要翻译： 根据本发明的各种实施例的用于椎体牵引和融合的改进的方法和装置采用一个或多个同轴螺旋齿轮套筒机构。 在各种实施例中，同轴螺旋齿轮套筒机构包括具有螺纹外表面的柱和配置成围绕柱的相应套筒，相应的套筒具有螺纹内表面，该内表面被配置为与柱的螺纹外表面相接合， 表面。 驱动机构可以配置成与套筒的齿轮外表面相接触，导致设备分散注意力。
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公开(公告)号：US20110138948A1
公开(公告)日：2011-06-16
申请号：US12841869
申请日：2010-07-22
CPC分类号： A61F2/4465 , A61B17/7065 , A61B2017/0256 , A61B2017/681 , A61F2/385 , A61F2/3868 , A61F2/4455 , A61F2/447 , A61F2/4611 , A61F2002/2817 , A61F2002/2835 , A61F2002/30235 , A61F2002/30405 , A61F2002/30434 , A61F2002/30523 , A61F2002/30525 , A61F2002/30556 , A61F2002/30579 , A61F2002/30593 , A61F2002/30601 , A61F2002/30604 , A61F2002/3063 , A61F2002/3064 , A61F2002/30644 , A61F2002/30645 , A61F2002/3082 , A61F2002/30841 , A61F2002/30904 , A61F2002/30925 , A61F2002/3409 , A61F2002/3631 , A61F2002/448 , A61F2002/4628 , A61F2002/4629 , A61F2002/482 , A61F2002/5041 , A61F2002/5069 , A61F2002/507 , A61F2220/0025 , A61F2220/0041 , A61F2230/0069 , A61F2240/001 , A61F2250/0009 , A61F2310/00023 , A61F2310/00029 , A61F2310/00796 , A61F2310/00976 , A61F2310/00982 , A61F2310/00988 , A61F2310/00994 , F16H25/20 , F16H25/2056 , F16H25/2214 , F16H2025/2046 , F16H2025/2084 , F16H2025/209 , Y10T29/49 , Y10T74/18608 , Y10T74/18672 , Y10T74/19702 , Y10T74/19749
摘要： An improved mechanism for expanding or lifting a device in accordance with various embodiments of the present invention is a coaxial screw gear sleeve mechanism. In various embodiments, coaxial screw gear sleeve mechanisms includes a post with a threaded exterior surface and a corresponding sleeve configured to surround the post, the corresponding sleeve having a threaded interior surface configured to interface with the threaded exterior surface of the post and a geared exterior surface. A drive mechanism can be configured to interface with the geared exterior surface of the sleeve, causing a device utilizing such a mechanism to expand or lift between a collapsed configuration and an expanded configuration.
摘要翻译： 根据本发明的各种实施例的用于扩展或提升装置的改进机构是同轴螺旋齿轮套筒机构。 在各种实施例中，同轴螺旋齿轮套筒机构包括具有螺纹外表面的柱和配置成围绕柱的相应套筒，相应的套筒具有螺纹内表面，该内表面被配置为与柱的螺纹外表面相接合， 表面。 驱动机构可被配置为与套筒的齿轮外表面相接触，导致利用这种机构的装置在收缩构型和膨胀构型之间膨胀或提升。
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7.发明申请METHODS AND APPARATUS FOR INSERTION OF VERTEBRAL BODY DISTRACTION AND FUSION DEVICES 有权用于插入VERTEBRAL BODY DISPACTION和FUSION DEVICES的方法和装置公开(公告)号：US20120158071A1
公开(公告)日：2012-06-21
申请号：US13189410
申请日：2011-07-22
IPC分类号： A61B17/88
CPC分类号： A61B17/88 , A61F2/4425 , A61F2/4455 , A61F2/4465 , A61F2/447 , A61F2/4611 , A61F2002/30092 , A61F2002/30285 , A61F2002/30405 , A61F2002/30434 , A61F2002/30485 , A61F2002/30509 , A61F2002/30523 , A61F2002/30525 , A61F2002/30556 , A61F2002/30579 , A61F2002/30601 , A61F2002/3063 , A61F2002/30828 , A61F2002/443 , A61F2002/4475 , A61F2002/4623 , A61F2002/4627 , A61F2002/4629 , A61F2002/4638 , A61F2002/4662 , A61F2002/482 , A61F2310/00017 , A61F2310/00023 , A61F2310/00029 , B33Y80/00
摘要： An introducer can be used to implant a distractible intervertebral body fusion device into a patient's disc space and expand the device. Introducer includes a body 100 including a handle and a sleeve. Handle includes a slot for containing an actuation tool. A drive shaft and a securing shaft can extend through sleeve between a proximal end of the sleeve adjacent slot and a distal end of the device. At proximal end, actuation tool can connect to drive shaft where drive shaft extends through an opening in body. Drive shaft can extend out of an opening at distal end to engage a worm gear, drive shaft, or other actuation member of distractible device. Securing shaft can engage the device to stabilize the device during distraction. Activation of the actuation member rotates the drive shaft, which expands the distractible device.
摘要翻译： 导引器可以用于将可分散的椎间体融合装置植入患者的椎间盘空间并且使装置膨胀。 引导器包括一个主体100，它包括手柄和一个套筒。 手柄包括用于容纳致动工具的槽。 驱动轴和固定轴可以在套筒的相邻狭槽的近端和装置的远端之间延伸穿过套管。 在近端，致动工具可以连接到驱动轴，其中驱动轴延伸通过体内的开口。 驱动轴可以从远端的开口延伸出来，以啮合蜗轮，驱动轴或分散装置的其它致动构件。 固定轴可以与设备接合，以在分心期间稳定设备。 致动构件的激活使驱动轴旋转，从而使分散的装置膨胀。
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公开(公告)号：US08540452B2
公开(公告)日：2013-09-24
申请号：US12651266
申请日：2009-12-31
IPC分类号： F16C11/04
CPC分类号： F16C11/12 , A61F2/442 , A61F2/4425 , A61F2/4455 , A61F2/447 , A61F2/4611 , A61F2002/30485 , A61F2002/30509 , A61F2002/30523 , A61F2002/30538 , A61F2002/30556 , A61F2002/30579 , A61F2002/30601 , A61F2002/30904 , A61F2002/443 , A61F2002/4475 , A61F2002/448 , A61F2002/482 , A61F2220/0025 , B33Y80/00 , E05D1/02 , E05D1/04 , E05F1/00 , F16F1/025 , F16M11/38 , Y10T403/45 , Y10T403/54
摘要： Flexible joint arrangements employ at least one flexure member that interfaces with wrapping surfaces defined on the bases to which the ends of the flexure member are connected. The flexure members are configured to define a traveling instantaneous axis of rotation that moves along a path defined by the interface of the flexure and the wrapping surfaces as the bases move relative to each other. The flexure members and the bases can be constructed of a monolithic material. The wrapping surfaces of the bases can be asymmetric in cross-sectional shape. The radius of curvature of the traveling instantaneous axis of rotation can be configured to change only in discrete quantum steps without reversals. The flexible joint arrangement can be configured as one or more three bar linkages in which the middle bar is rigid and the outer bars are flexure members in accordance with the various embodiments.
摘要翻译： 柔性接头装置采用至少一个弯曲构件，其与限定在挠性构件的端部连接的基部上的包裹表面相接合。 弯曲构件被构造成限定行进的瞬时旋转轴线，其随着基座相对于彼此移动而沿着由挠曲件和包裹表面的界面限定的路径移动。 弯曲构件和基座可以由整体材料构成。 基底的包裹表面的横截面形状可以是不对称的。 行进的瞬时旋转轴线的曲率半径可以被配置为仅在离散的量子步长而没有反转的情况下改变。 柔性接头装置可以被配置为根据各种实施例的中间杆是刚性的并且外部杆是挠曲构件的一个或多个三个杆连杆。
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9.发明授权Methods and apparatus for vertebral body distraction and fusion employing flexure members 有权使用弯曲构件进行椎体牵引和融合的方法和装置公开(公告)号：US08523944B2
公开(公告)日：2013-09-03
申请号：US12650994
申请日：2009-12-31
IPC分类号： A61F2/44
CPC分类号： F16C11/12 , A61F2/442 , A61F2/4425 , A61F2/4455 , A61F2/447 , A61F2/4611 , A61F2002/30485 , A61F2002/30509 , A61F2002/30523 , A61F2002/30538 , A61F2002/30556 , A61F2002/30579 , A61F2002/30601 , A61F2002/30904 , A61F2002/443 , A61F2002/4475 , A61F2002/448 , A61F2002/482 , A61F2220/0025 , B33Y80/00 , E05D1/02 , E05D1/04 , E05F1/00 , F16F1/025 , F16M11/38 , Y10T403/45 , Y10T403/54
摘要： Improved methods and apparatuses for vertebral body distraction and fusion in accordance with various embodiments of the present invention employ flexure members. Flexure members connect a plurality of structural members to end plates on one end and blocks on another end. Upon insertion into the disc space, a drive screw or similar mechanism can be actuated to drive expansion blocks closer together, which causes flexure members to deflect, resulting in expansion of the structural members and distraction of the end plates. The distracted device can then remain in the body and be used for vertebral body fusion.
摘要翻译： 根据本发明的各种实施例的用于椎体牵引和融合的改进的方法和装置使用挠曲构件。 挠曲构件将多个结构构件在一端连接到端板并且在另一端上封闭。 在插入盘片空间中时，驱动螺杆或类似的机构可以被致动以将膨胀块更靠近地驱动，这导致挠曲构件偏转，导致结构构件的膨胀和端板的牵引。 然后分心的装置可以保留在体内并用于椎体融合。
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10.发明授权Methods and apparatus for insertion of vertebral body distraction and fusion devices 有权用于插入椎体牵引和融合装置的方法和装置公开(公告)号：US08636746B2
公开(公告)日：2014-01-28
申请号：US13189410
申请日：2011-07-22
CPC分类号： A61B17/88 , A61F2/4425 , A61F2/4455 , A61F2/4465 , A61F2/447 , A61F2/4611 , A61F2002/30092 , A61F2002/30285 , A61F2002/30405 , A61F2002/30434 , A61F2002/30485 , A61F2002/30509 , A61F2002/30523 , A61F2002/30525 , A61F2002/30556 , A61F2002/30579 , A61F2002/30601 , A61F2002/3063 , A61F2002/30828 , A61F2002/443 , A61F2002/4475 , A61F2002/4623 , A61F2002/4627 , A61F2002/4629 , A61F2002/4638 , A61F2002/4662 , A61F2002/482 , A61F2310/00017 , A61F2310/00023 , A61F2310/00029 , B33Y80/00
摘要： An introducer can be used to implant a distractible intervertebral body fusion device into a patient's disc space and expand the device. Introducer includes a body 100 including a handle and a sleeve. Handle includes a slot for containing an actuation tool. A drive shaft and a securing shaft can extend through sleeve between a proximal end of the sleeve adjacent slot and a distal end of the device. At proximal end, actuation tool can connect to drive shaft where drive shaft extends through an opening in body. Drive shaft can extend out of an opening at distal end to engage a worm gear, drive shaft, or other actuation member of distractible device. Securing shaft can engage the device to stabilize the device during distraction. Activation of the actuation member rotates the drive shaft, which expands the distractible device.
摘要翻译： 导引器可以用于将可分散的椎间体融合装置植入患者的椎间盘空间并且使装置膨胀。 引导器包括一个主体100，它包括手柄和一个套筒。 手柄包括用于容纳致动工具的槽。 驱动轴和固定轴可以在套筒的相邻狭槽的近端和装置的远端之间延伸穿过套管。 在近端，致动工具可以连接到驱动轴，其中驱动轴延伸通过体内的开口。 驱动轴可以从远端的开口延伸出来，以啮合蜗轮，驱动轴或分散装置的其它致动构件。 固定轴可以与设备接合，以在分心期间稳定设备。 致动构件的激活使驱动轴旋转，从而使分散的装置膨胀。
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