CN1913836A - 用于骨锚接合和脊椎固定杆复位的器械及方法 - Google Patents
用于骨锚接合和脊椎固定杆复位的器械及方法 Download PDFInfo
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Abstract
一种用于接合骨锚的器械,可包括具有近端和远端的第一植入物接合件,以及具有近端和远端的第二植入物接合件。第二植入物接合件,通过设置在所述第一和第二植入物接合件远端附近的枢轴点,可枢轴转动地与第一植入物接合件相连。操纵所述第一和第二植入物接合件的近端可使各远端绕所述枢轴点转动,以接合骨锚的至少一部分。固定杆调节工具可以连接在骨锚接合工具上,并可相对于骨锚接合工具沿轴向进行调节,以调整脊椎固定杆相对于骨锚的位置。
Description
相关申请
本发明申请要求享有2003年12月17日提交的美国临时专利申请No.60/530,179的优先权,在此引用参考其全部内容。
技术领域
本发明涉及一种调整脊椎固定杆相对骨锚位置的器械。
背景技术
脊椎固定系统可用于矫形外科进行对准和/或固定相邻椎体之间所要求的相互关系。这样的系统通常包括脊椎固定件,如相对刚性的固定杆或固定板,通过将脊椎固定件安装到各种锚固机构如钩子、螺栓、金属线或螺钉,可使脊椎固定件与相邻的椎骨连接。脊椎固定件可以具有预定的形状,根据目标植入位置的特性来设计,而一旦安装之后,脊椎固定件可使椎骨保持所要求的空间关系,直至发生希望的治愈或脊柱融合,或者经历更长的时间。
脊椎固定件可以被锚固到椎骨的特定部分。由于每个椎骨的形状和尺寸都不同,所以研制出了各种锚具以便接合特定的骨骼部分。举例来说,蒂状螺钉组件的形状和尺寸设计成能与pedicle骨接合。这样的螺钉通常包括可拧入椎骨的螺纹柄和带有脊椎固定件接收件的头部,在脊椎固定杆的应用中,所述接收件一般具有设置在头部U形槽的形状,以接收固定杆。锁定螺钉、塞子、盖帽或类似的锁合件可用来将固定杆锁定在蒂状螺钉的固定杆接收部分。于是当使用时,每个螺钉的柄部被拧入椎骨,适当定位之后,固定杆被安装到每个螺钉的固定杆接收部分中,然后通过拧紧盖帽或类似的锁合件将固定杆锁定就位,从而使每个螺钉与固定杆牢固地相互连接。锚具还包括钩子和其它类型的接骨螺钉。
虽然现有的脊椎固定系统已经证明是有效的,但是固定杆安装到各种固定机构的固定杆接收部分时却遇到困难。具体地,由于固定装置所安装的椎骨的位置和刚性,要使固定杆对准并在相邻固定装置的固定杆接收部分就位比较困难。因此,往往需要使用一种被称作脊椎固定杆复位器的脊椎固定杆接近器,以抓紧固定装置的头部,使固定杆复位到固定装置的固定杆接收部分。
虽然本技术领域中已知有若干种固定杆接近器,但是使用起来往往比较困难而且很费时间。因此,需要有一种改进的固定杆接近器,以及用于将脊椎固定杆安装到一个或多个脊椎植入物的固定杆接收部分的方法。
发明内容
本发明公开了一种能够更加容易地将比如复位器或接近器与植入物如骨锚接合的器械。在示范实施例中,接合骨植入物的器械可以包括具有近端和远端的第一植入物接合件,以及具有近端和远端的第二植入物接合件。第二植入物接合件通过设置在所述第一和第二植入物接合件远端附近的至少一个枢轴点,可转动地与第一植入物接合件相连。使用时,操纵所述第一和第二植入物接合件的近端可使每个远端绕所述枢轴点转动,接合骨锚的至少一部分。
在另一示范实施例中,调整脊椎固定杆相对于骨锚位置的固定杆复位器可以包括骨锚接合工具和固定杆调节工具。骨锚接合工具可以包括具有近端和远端的第一钳夹件,及具有近端和远端的第二钳夹件。第二钳夹件通过设置在所述第一和第二钳夹件远端附近的至少一个枢轴点,可转动地与第一钳夹件相连。当使用时,操纵所述第一和第二钳夹件的近端可使每个远端绕所述枢轴点转动,接合骨锚的至少一部分。在此示范实施例中,固定杆调节工具可以连接在骨锚接合工具,并且可以具有近端和远端。固定杆调节工具可相对于骨锚接合工具沿轴向进行调节,以调整脊椎固定杆相对骨锚的位置。
附图说明
通过下面结合附图所作的详细说明将能更加充分地了解所公开的器械和方法的这些和其它的优点和特征,在这些附图中相同的部件用相同的参考数字来表示。这些附图,通过不按比例的但却示出了其相对尺寸的方式,显示了所公开器械的基本原理。
图1是调整脊椎固定杆相对于骨锚位置的器械的示范实施例的透视图,示出了位于骨锚接合工具内的固定杆调节工具;
图2是图1的器械的侧视图;
图3是图1的器械的顶视图;
图4是图1的骨锚接合工具的透视图;
图5是图4的骨锚接合工具的侧视图,示出了处于大致闭合位置的工具的钳夹件;
图6是图4的骨锚接合工具的侧视剖面图,示出了处于大致闭合位置的工具钳夹件;
图7是图4的骨锚接合工具的钳夹件内表面的侧视图;
图8是图4的骨锚接合工具的钳夹件外表面的侧视图;
图9是图4的钳夹件沿图8中9-9剖面的侧视剖面图;
图10是图4所示骨锚接合工具沿图9中10-10剖面的卡箍剖视图;
图11是图1的固定杆调节工具的透视图;
图12是图1的固定杆调节工具的侧视图;
图13是图1的固定杆调节工具沿图12中13-13剖面的侧视剖面图;
图14是植入物驱动装置的示范性实施例的透视图;
图15是设置在图11所示固定杆调节工具内的图14的植入物驱动装置的透视图;
图16A是调节脊椎固定杆相对骨锚位置的器械的示范性实施例的远端的侧视剖面图;
图16B是图16A所示器械的示例性固定杆接合件的透视图;和
图17是图1的器械的示意图,示出了骨锚的接合、固定杆的复位、以及锁合机构的输送。
具体实施方式
现在将介绍本发明的某些示范性实施例以全面了解所公开的器械的结构原理、功能、制造以及使用。在这些附图示出了一个或多个实例。所属领域的普通技术人员应当认识到,在此具体介绍并在附图中示出的器械属于非限制性的示范性实施例,而本发明的范围只由所附权利要求限定。根据某一示范性实施例说明或介绍的特征可与其它实施例中的特征结合。这样的修改和变化被认为包括在本
发明的范围内。
冠词“一(a)”在文中表示一个或一个以上(即至少一个)的语法对象。举例来说,“一元件”意味着一个元件或一个以上的元件。
对于任何部件或结构,在此使用的用语“远(侧)”是指相对来说较为靠近要应用骨锚的骨表面的位置或方向。相反地,对于任何部件或结构,在此使用的用语“近(侧)”是指相对来说较为远离要应用骨锚的骨表面的位置或方向。
用语“包括”和“具有”及其变格词在此作为包容性的可扩充术语可互换使用。举例来说,使用“包括”或“具有”意味着无论包括或具有哪种元件,都不是使用这个动词的句子主语所涵盖的唯一元件。
图1-3示出了用于接合植入物如骨锚并使固定件如脊椎固定杆相对于骨锚定位的器械10。该示例性器械10可以包括植入物(如骨锚)接合工具12,用于接合植入物如骨锚的至少一部分。该示例性骨锚接合工具12特别适合于接合蒂状螺钉的近端,不过所属领域的技术人员应当认识到,这种示例性骨锚接合工具12可以用于任何类型的骨锚。该示例性器械10还可以包括固定杆调节工具14,其连接到骨锚接合工具12并且可以相对骨锚接合工具12沿轴向进行调节。示例性固定杆调节工具14可以沿轴向推进,使脊椎固定杆相对与骨锚接合工具12接合的骨锚定位于适当位置。举例来说,固定杆调节工具14可使脊椎固定杆复位到骨锚接合工具12所接合的蒂状螺钉的固定杆接收部分中。虽然这种示例性器械10主要结合脊椎应用来介绍,但是所属领域的技术人员应当认识到。这种示例性器械10以及下面介绍的其它示范性实施例可以用来接合任何类型的骨锚或其它植入物和/或用来使任何类型的固定件相对骨锚定位。
参见图4-9,该示例性骨接合工具10包括第一钳夹件18A和第二钳夹件18B,能够相互配合与植入物如骨锚接合。第一钳夹件18A与第二钳夹件18B的构造在此示范实施例中相同,因此,在下面介绍并在附图中示出的第一钳夹件18A的特征也适用于第二钳夹件18B。第一钳夹件18A和第二钳夹件18B分别具有近端20A、20B和远端22A、22B,大致上相距长度L的距离,这在图5中用箭头L表示。钳夹件18A、18B具有内表面19A、19B和外表面21A、21B。钳夹件18A、18B最好具有足够的长度L,使其能够从患者皮肤切口处的近端20A、B跨越到靠近患者椎骨处的远端22A、22B。钳夹件18A、18B可以用任何生物相容或可消毒的材料制成,包括金属,如不锈钢或聚合物。
第一钳夹件18A可以通过沿枢轴26对准的枢轴点24A、24B可转动地与第二钳夹件18B相连。在所示实施例中,枢轴26的取向大体上垂直于骨锚接合工具12的纵向轴线28。尽管枢轴26可以位于沿钳夹件长度方向的任意位置,但是在此示范实施例中,枢轴26被布置在靠近钳夹件18A、18B远端22A、22B的位置,举例来说,与钳夹件18A、18B的近端20A、20B相比,其更接近于钳夹件18A、B的远端22A、B。通过操纵钳夹件18A、B的近端20A、B可使远端22A、B绕枢轴点24A、B转动。举例来说,在此示范实施例中,压拢近端20A、B,如箭头30A、B所示,可使远端22A、B从钳夹件相互靠近的大致闭合位置沿箭头32A、B转动到钳夹件相互远离的开启位置。图4-6示出了处于大致闭合位置的钳夹件18A、B。当处于大致闭合位置时,钳夹件18A、B的远端22A、B间隔开距离D,大约等于或小于骨锚接合工具12所接合的植入物部分的范围,使得钳夹件18A、B的远端22A、B当处于大致闭合位置时能够更加容易地与植入物接合。举例来说,在此示范实施例中,距离D可以大约等于或小于蒂状螺钉中固定杆接收部分的外径。在此示范实施例中,轴向延伸的接触面34A、B通过限制远端22A、B的靠拢运动可确定距离D。当处于开启位置时,远端22A、B之间离开的距离大于距离D,能够更加容易地将远端22A、B放置到植入物周围。
钳夹件18A、B可以通过一个或多个销35连接在一起,销35可以与钳夹件18A、B的旋转枢轴线26对齐。当通过枢轴连接时,钳夹件18A、B可以形成由枢轴线26分开的环形卡箍40。举例来说,每个钳夹件18A、B可以包括弓形部分42A、B,相互接合形成卡箍40。每个弓形部分42A、B可以包括一对隔开的突片44A、B和48A、B,其中分别设有容纳销35A、B的开口46。当钳夹件18A、B接合时,突片44A与48B接合形成开口46A,而突片44B与48A接合形成开口46B。每一对接合的突片沿半径方向相互隔开,而相应的开口46A、B对准以形成枢轴线26。
骨接合工具12可以包括连接到钳夹件18A、B的偏压机构,以使远端22A、B偏压到大致闭合位置。举例来说,偏压机构可以是布置在钳夹件18A、B之间的一个或多个弹簧。所述弹簧可以是盘簧、片簧或其它任何适当的弹簧。在此示范实施例中,两对盘簧36靠近枢轴26布置在钳夹件18A、B之间。钳夹件18A、B上可以设有一个或多个孔座38以支承弹簧。弹簧的数目、位置和结构可根据所要求的偏压力的大小而变化。
钳夹件18A、B可以分开一定距离,其间形成开口,开口的尺寸和形状使得其间便于输送植入物如骨锚部件或器械如固定杆调节工具14。举例来说,在所示示范性实施例中,卡箍40大体上是环形的并具有如图10箭头X表示的直径,其大于通过骨锚接合工具12输送的植入物或器械的范围。在此示范实施例中,卡箍的直径X可以大于固定杆调节工具14和骨锚锁合机构的直径。同样地,当处于大致闭合位置,远端22A、B之间的距离D大于通过骨锚接合工具12输送的植入物或器械的范围。
骨锚接合工具12可以包括调节机构,能够更加容易地沿工具12的纵向轴线28对辅助器械如固定杆调节工具14进行调节。在所示示范性实施例中,内表面19A、B可设有内螺纹50A、B,以接合设置在辅助器械上的配合外螺纹。内螺纹50A、B最好靠近枢轴26布置。调节机构并不限于螺纹;所属领域的技术人员应当认识到,可以使用能够更容易地对辅助器械进行轴向调节的其它结构,如狭槽或凹槽,狭槽或凹槽设置在钳夹件以接收辅助器械上的销或其它结构,或者包括设置在钳夹件18A、B内面的其它凸起物,其安装到设置在辅助器械的凹槽或狭槽。
虽然所述实施例包括内调节机构,如螺纹50A、B,但是本领域的技术人员应当认识到,作为选择方案,工具12可以包括外调节机构,在这种情况下,可以围绕骨锚接合工具(比如其外面)推进辅助器械。
其中一个或两个钳夹件18A、B的远端22A、B可以包括植入物接合机构,在所述远端与植入物之间形成可释放的连接。举例来说,植入物接合机构可以是从远端22的内表面52延伸的一个或多个凸起。举例来说,在所示示范性实施例中,每个远端22A、B包括从其内表面延伸的圆柱形销54A、B。圆柱销54A、B的尺寸,比如,可以与设置在蒂状螺钉的固定杆接收部分外表面中的模压孔接合。作为选择方案,植入物接合机构可以是设置在其中一个或两个内表面52A、B的一个或多个隆起,使得能够更容易地夹紧植入物。如下面结合图16实施例所介绍的,植入物接合机构可以是弧形凸缘,设计成能安放到设置在蒂状螺钉的固定杆接收部分外表面的弧形凹槽。
图11-13示出了固定杆调节工具14的示范性实施例,可连接到上面所介绍并在图1-3示出的骨锚接合工具12。固定杆调节工具14包括近端60以及与之隔开距离L2的远端62。在此示范实施例中,,固定杆调节工具14大体上是管状并具有大致环形的横截面。所属领域的技术人员应当认识到,固定杆调节工具14还可以具有别的横截面形状,比如包括椭圆形或直线多边形。固定杆调节工具14最好具有足够的长度L2,使其能够从患者皮肤切口处的近端60跨越到靠近患者椎骨处的远端62。固定杆调节工具14可以用任何生物相容的材料制成,包括金属,如不锈钢或聚合物。
固定杆调节工具14包括沿纵向轴线66从近端60延伸到远端62的内腔64。内腔64的尺寸和形状允许植入物如骨锚部件或另一个器械穿过。举例来说,在所示示范性实施例中,内腔64的内径D2大于或约等于骨锚接合工具12所接合骨锚的锁合机构,并且大于或约等于将锁合机构固定到骨锚的器械,如图14所示的示例性驱动装置。
固定杆调节工具14的外径D3最好小于或大约等于骨锚接合工具12中卡箍40的直径。
如上面所讨论的,固定杆调节工具14可连接到骨锚接合工具12并可相对骨锚接合工具12沿轴向进行调节。举例来说,在此示范实施例中,固定杆调节工具14可沿骨锚接合工具12的纵向轴线从第一近端位置调节到第二远端位置,当处于第一近端位置时,固定杆调节工具14的远端62离开钳夹件18A、B的远端22A、B,而当处于第二远端位置时,固定杆调节工具14的远端62比较靠近钳夹件18A、B的远端22A、B。在沿轴向从第一位置前进到第二位置的过程中,固定杆调节工具14的远端62可以与脊椎固定杆或其它固定件接合,并相对于骨锚向远侧推进脊椎固定杆。在此示范实施例中,固定杆调节工具14远端62的直径可以大于骨锚中固定杆接收部分的外径,于是远端62可以从骨锚中固定杆接收部分的至少一部分上面滑过,使固定杆在骨锚中就位。固定杆调节工具14远端62的形状设置成可靠在脊椎固定杆上,使固定杆调节工具14能够更容易地推进固定杆。
如上面讨论的,固定杆调节工具14可以带有外螺纹68,与钳夹件18A、B的内螺纹50A、B配合,以便沿轴向调节固定杆调节工具14并提供机械增益。所属领域的技术人员应当认识到,其它调节机构也是可以的,如上面所介绍的。固定杆调节工具14的近端60可以包括把手70,可更加容易地相对骨锚接合工具12转动固定杆调节工具14。
图14和15示出了驱动装置70的示范性实施例,驱动装置可将锁合机构或骨锚的其它部件固定到骨锚。驱动装置70可以具有包括把手的近端72和接合锁合机构的远端74。可以使用任何类型的锁合机构包括带内螺纹和/或外螺纹的盖帽、扭入盖帽和多组件盖帽。驱动装置70可以通过固定杆调节工具14的内腔64沿轴向前进,使驱动装置70的远端74向远侧被推进到固定杆调节工具14的远端62,如图14所示。驱动装置70和固定杆调节工具14可以包括调节机构,其类似于上面所介绍的一种或多种调节机构,能够更加容易地相对于固定杆调节工具14沿轴向调节驱动装置70。举例来说,驱动装置70可以包括外螺纹,与设置在固定杆调节工具14的内腔64中的内螺纹接合。
图16A和16B示出了器械10的另一可供选择的示范实施例,其中固定杆接合件90位于固定杆调节工具远端62的远侧。在此示范实施例中,固定杆接合件90包括环形圈91以及一个或多个从环形圈91沿轴向向远侧延伸的延伸部分92。举例来说,本示范实施例中的固定杆接合件90包括一对相对的延伸部分92A、B。延伸部分92A、B的尺寸加工成可以装配在示例性骨锚100的固定杆接收部分102的固定杆接收狭槽104中。当用固定杆调节工具14沿轴向推进固定杆接合件90时,延伸部分92的远端可与脊椎固定杆110接合。
固定杆接合件90可转动地安装在固定杆调节工具14上,因此当固定杆调节工具14旋转时,固定杆接合件90并不转动。举例来说,环形圈91可以设有一个或多个导销93,安装到沿轴向设于钳夹件18A、B内表面的一个或多个凹槽中。通过这种方式,可以用固定杆调节工具14沿轴向调节固定杆接合件90,即使固定杆接合件90有任何转动也是十分有限。可以设有偏压机构以沿轴向朝近端偏压固定杆接合件90。举例来说,可以在环形圈91与钳夹件18A、B的远端22A、B之间设置一个或多个沿轴向布置的弹簧96。
在图16A和16B所示的示范性实施例中,设置在钳夹件18A、B的远端22A、B的植入物接合机构可以是弧形凸缘110A、B,设计成能安放到设置在骨锚100的固定杆接收部分102外表面的弧形凹槽122A、B内。
在一示例性的操作方法中,可以使骨锚接合工具12与示例性的骨锚100相连,即,将钳夹件18A、B的远端22A、B转动到开启位置,把钳夹件18A、B的远端22A、B推进到骨锚周围,然后将钳夹件18A、B的远端22A、B转动到大致闭合位置,于是钳夹件18A、B的远端22A、B与骨锚中固定杆接收部分102的侧壁接合,如图17所示。骨锚接合工具12与骨锚100的接合使得能够将固定杆110锁定在钳夹件18A、B之间,以及卡箍40与骨锚100之间。通过转动固定杆调节工具14的近端60可以沿轴向推进固定杆调节工具14,使得固定杆调节工具14的远端62与脊椎固定杆110接合,并朝骨锚100方向向远侧推进脊椎固定杆110。可以向远侧推进固定杆调节工具14使固定杆110靠在骨锚100的固定杆接收狭槽104中。驱动装置70可以将锁合机构,如带外螺纹的盖帽106,安置在固定杆接收狭槽104内,从而使固定杆110锁定在固定杆接收狭槽中。
在一示范实施例中,当脊椎固定杆110复位时,驱动装置70和锁合机构可以被安置在固定杆调节工具14内。举例来说,首先可以将驱动装置70放置在固定杆调节工具14的内腔64中。然后可以将驱动装置70的远端74推进到第二位置以接合锁合机构。可以将驱动装置70的远端74和锁合机构调整到第一位置,此时锁合机构位于固定杆调节工具14的内腔64中。接着可以将固定杆调节工具连接到骨锚接合工具12并向前推进,使脊椎固定杆复位,而驱动装置70的远端74和锁合机构位于固定杆调节工具14的内腔64中。在固定杆110安装就位之后,可以向前推进驱动装置70的远端74,将锁合机构紧固到骨锚100上。
在其它示范性实施例中,驱动装置70和锁合机构可以在脊椎固定杆110复位之后,安置到固定杆调节工具14内。
骨锚接合工具12可以通过最小的侵入切口和/或敞开切口插入。在最小侵入的应用中,工具12可以通过端口或套管插入,或者可以直接通过最小的侵入切口插入。工具12可用来形成从皮肤切口到骨锚的最小侵入路径,以输送植入物或辅助器械。
虽然本发明的器械是参考其示范性实施例来具体说明和介绍的,但是所属领域的普通技术人员应当认识到,在不脱离本发明精神和范围的情况下,可以作出各种修改和变化。所属领域的普通技术人员只需通过常规的实验就可以认识或发现这些示范性实施例的许多等效形式。这样的等效形式被本发明的范围以及所附权利要求所包括。
Claims (40)
1.一种用于接合植入物的器械,包括:
具有近端和远端的第一植入物接合件;和
具有近端和远端的第二植入物接合件,所述第二植入物接合件通过设置在所述第一和第二植入物接合件远端附近的至少一个枢轴点,可枢轴转动地与所述第一植入物接合件相连,操纵所述第一和第二植入物接合件的近端可使各远端绕所述至少一个枢轴点转动,以接合植入物的至少一部分。
2.根据权利要求1所述的器械,其特征在于,所述第一植入物接合件和所述第二植入物接合件分开一定距离,其间形成开口。
3.根据权利要求2所述的器械,其特征在于,所述开口的尺寸和形状能够输送至少一个植入物或辅助器械。
4.根据权利要求2所述的器械,其特征在于,所述第一植入物接合件和所述第二植入物接合件其中至少一个包括调节机构,以便相对于所述器械连接和调节辅助器械。
5.根据权利要求4所述的器械,其特征在于,所述调节机构包括设置在所述第一植入物接合件和所述第二植入物接合件其中至少一个的内表面的螺纹,可接合设置在辅助器械的配合螺纹。
6.根据权利要求1所述的器械,其特征在于,所述第一植入物接合件和所述第二植入物接合件在所述枢轴点形成环形卡箍,且所述环形卡箍的尺寸便于输送至少一个植入物或辅助器械。
7.根据权利要求1所述的器械,其特征在于,所述第一植入物接合件和所述第二植入物接合件的所述远端可以在远端相互靠拢的大致闭合位置和远端互相离开的开启位置之间转动。
8.根据权利要求7所述的器械,其特征在于,还包括连接到所述第一植入物接合件和所述第二植入物接合件的偏压机构,可使所述远端朝所述闭合位置偏压。
9.根据权利要求8所述的器械,其特征在于,所述偏压机构包括至少一个安置在所述第一植入物接合件和所述第二植入物接合件之间的弹簧。
10.根据权利要求7所述的器械,其特征在于,所述远端当处于所述闭合位置时离开一定距离,所述距离大约等于或小于所述骨锚部分的宽度或直径。
11.根据权利要求1所述的器械,其特征在于,所述第一植入物接合件的所述远端和所述第二植入物接合件的所述远端其中至少一个包括植入物接合机构。
12.根据权利要求11所述的器械,其特征在于,所述植入物接合机构包括从所述第一植入物接合件和所述第二植入物接合件其中至少一个的所述远端的内表面延伸的凸起物。
13.根据权利要求12所述的器械,其特征在于,所述凸起物是圆柱形销。
14.根据权利要求12所述的器械,其特征在于,所述凸起物是弧形凸缘。
15.根据权利要求11所述的器械,其特征在于,所述植入物接合机构包括设置在所述第一植入物接合件和所述第二植入物接合件其中至少一个的所述远端的内表面的若干隆起。
16.一种用于接合骨锚的器械,包括:
第一植入物接合件,具有近端和带有植入物接合机构的远端;
第二植入物接合件,具有近端和带有植入物接合机构的远端;所述第二植入物接合件通过设置在所述第一和第二植入物接合件远端附近与枢轴对准的一对枢轴点,可转动地与所述第一植入物接合件相连,于是操纵所述第一和第二植入物接合件的所述近端,可使每个远端绕所述枢轴在远端相互靠拢的大致闭合位置与远端互相离开的开启位置之间转动,所述第一植入物接合件和所述第二植入物接合件分开一定距离,其间形成开口,所述开口的尺寸和形状能够在其间输送辅助器械;和
调节机构,能够容易地通过所述开口调节所述辅助器械的至少一部分。
17.根据权利要求16所述的器械,其特征在于,所述调节机构包括设置在所述第一植入物接合件和所述第二植入物接合件其中至少一个的内表面上的螺纹。
18.根据权利要求16所述的器械,其特征在于,所述第一植入物接合件和所述第二植入物接合件在靠近所述枢轴处形成环形卡箍,且所述环形卡箍的尺寸便于输送所述辅助器械。
19.根据权利要求16所述的器械,其特征在于,还包括连接到所述第一植入物接合件和所述第二植入物接合件的偏压机构,以便使所述远端朝所述闭合位置偏压。
20.根据权利要求19所述的器械,其特征在于,所述偏压机构包括至少一个安置在所述第一植入物接合件和所述第二植入物接合件之间的弹簧。
21.根据权利要求16所述的器械,其特征在于,当处于所述闭合位置时,所述远端离开一定距离,所述距离大约等于或小于所述骨锚部分的直径。
22.根据权利要求16所述的器械,其特征在于,所述第一植入物接合件和所述第二植入物接合件的所述植入物接合机构分别包括从所述第一植入物接合件和所述第二植入物的远端的内表面延伸的凸起物。
23.根据权利要求22所述的器械,其特征在于,所述凸起物是圆柱形销。
24.根据权利要求23所述的器械,其特征在于,所述凸起物是弧形凸缘。
25.根据权利要求16所述的器械,其特征在于,所述第一植入物接合件和所述第二植入物接合件的所述植入物接合机构分别包括设置在所述第一植入物接合件和所述第二植入物接合件的远端的内表面的若干隆起。
26.一种用于调整脊椎固定杆相对骨锚位置的器械,所述器械包括:
骨锚接合工具,包括具有近端和远端的第一钳夹件,以及具有近端和远端的第二钳夹件,所述第二钳夹件通过设置在所述第一和第二钳夹件远端附近的至少一个枢轴点可转动地与所述第一钳夹件相连,操纵所述第一和第二钳夹件的所述近端,可使各所述远端绕所述至少一个枢轴点转动,以接合骨锚的至少一部分;和
固定杆调节工具,可以连接在所述骨锚接合工具,并具有近端和远端,所述固定杆调节工具可相对于所述骨锚接合工具沿轴向进行调节,调整脊椎固定杆相对于所述骨锚的位置。
27.根据权利要求26所述的器械,其特征在于,所述第一钳夹件和所述第二钳夹件分开一定距离,其间形成开口。
28.根据权利要求27所述的器械,其特征在于,所述开口的尺寸和形状可以容纳所述固定杆调节工具。
29.根据权利要求26所述的器械,其特征在于,所述第一钳夹件和所述第二钳夹件其中至少一个包括调节机构,可相对于所述骨锚接合工具调节所述固定杆调节工具。
30.根据权利要求29所述的器械,其特征在于,所述调节机构包括设置在所述第一钳夹件和所述第二钳夹件其中至少一个的内表面的螺纹,以接合所述固定杆调节工具的配合螺纹。
31.根据权利要求26所述的器械,其特征在于,所述第一钳夹件和所述第二钳夹件在所述枢轴点处形成环形卡箍,且所述环形卡箍的尺寸便于输送所述固定杆调节工具。
32.根据权利要求26所述的器械,其特征在于,所述第一钳夹件和所述第二钳夹件的所述远端可以在远端相互靠拢的大致闭合位置和远端互相离开的开启位置之间转动。
33.根据权利要求32所述的器械,其特征在于,还包括连接到所述第一钳夹件和所述第二钳夹件的偏压机构,可使所述远端朝所述闭合位置偏压。
34.根据权利要求26所述的器械,其特征在于,所述固定杆调节工具是圆筒形管。
35.根据权利要求26所述的器械,其特征在于,所述固定杆调节工具包括所述近端的把手,以便调节所述固定杆调节工具。
36.根据权利要求26所述的器械,其特征在于,所述固定杆调节工具包括布置在所述固定杆调节工具远端的固定杆接合件,所述固定杆接合件可沿轴向进行调节,但相对于所述固定杆调节工具不可转动。
37.根据权利要求36所述的器械,其特征在于,所述固定杆接合件包括至少一个具有固定杆接合面的轴向延伸部分,所述轴向延伸部分的尺寸加工成可在所述骨锚的固定杆接收凹槽内移动。
38.根据权利要求26所述的器械,其特征在于,所述固定杆调节工具包括内腔,锁合机构可通过内腔输送至所述骨锚。
39.一种调整脊椎固定杆相对骨锚位置的器械,所述器械包括:
骨锚接合工具,包括具有近端和远端的第一钳夹件,和具有近端和远端的第二钳夹件,所述第二钳夹件通过设置在所述第一和第二钳夹件远端附近的至少一个枢轴点,可转动地与所述第一钳夹件相连,操纵所述第一和第二钳夹件的近端可使各远端绕至少一个枢轴点转动,以接合骨锚的至少一部分,所述第一钳夹件和第二钳夹件分开一定距离,其间形成开口;
可连接到所述骨锚接合工具的圆筒形管,具有近端和接合所述固定杆的远端;和
调节机构,能够容易地通过所述开口调节所述圆筒形管的至少一部分。
40.一种调整脊椎固定杆相对骨锚位置的器械,所述器械包括:
骨锚接合工具,包括具有近端和远端的第一钳夹件,和具有近端和远端的第二钳夹件,所述第二钳夹件通过设置在所述第一和第二钳夹件远端附近沿枢轴对准的一对枢轴点,可转动地与所述第一钳夹件相连,操纵所述第一和第二钳夹件的近端,可使各远端绕枢轴转动,以接合骨锚的至少一部分,所述第一钳夹件和第二钳夹件形成由枢轴线分开的环形卡箍;和
通过卡箍进行调节的圆筒形管,具有近端和接合所述固定杆的远端,所述管子具有外螺纹,可接合设置在所述第一和第二钳夹件内表面的内螺纹,从而转动所述管子的近端,可相对所述第一和第二钳夹件的远端推动所述管子的远端。
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US20080255574A1 (en) | 2007-04-13 | 2008-10-16 | Zimmer Technology, Inc. | Instrument for insertion of prosthetic components |
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US8414588B2 (en) | 2007-10-04 | 2013-04-09 | Depuy Spine, Inc. | Methods and devices for minimally invasive spinal connection element delivery |
-
2004
- 2004-12-15 KR KR1020067012016A patent/KR20060132619A/ko not_active Application Discontinuation
- 2004-12-15 BR BRPI0417670-7A patent/BRPI0417670A/pt not_active Application Discontinuation
- 2004-12-15 AU AU2004299071A patent/AU2004299071B2/en not_active Ceased
- 2004-12-15 US US11/013,258 patent/US7824411B2/en active Active
- 2004-12-15 US US11/013,180 patent/US7824413B2/en active Active
- 2004-12-15 CA CA2549590A patent/CA2549590C/en not_active Expired - Fee Related
- 2004-12-15 AT AT04814166T patent/ATE441376T1/de not_active IP Right Cessation
- 2004-12-15 EP EP04814166A patent/EP1694226B1/en not_active Not-in-force
- 2004-12-15 CN CN2004800416562A patent/CN1913836B/zh not_active Expired - Fee Related
- 2004-12-15 DE DE602004022976T patent/DE602004022976D1/de active Active
- 2004-12-15 JP JP2006545815A patent/JP4624365B2/ja not_active Expired - Fee Related
- 2004-12-15 MX MXPA06007105A patent/MXPA06007105A/es active IP Right Grant
- 2004-12-15 NZ NZ547959A patent/NZ547959A/en not_active IP Right Cessation
- 2004-12-15 WO PCT/US2004/041949 patent/WO2005058141A2/en active Application Filing
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US10441325B2 (en) | 2006-04-11 | 2019-10-15 | DePuy Synthes Products, Inc. | Minimally invasive fixation system |
CN102026584B (zh) * | 2008-03-10 | 2014-12-03 | 德普伊斯派尔公司 | 具有复位功能的扭转位矫正器具 |
US10993739B2 (en) | 2009-05-20 | 2021-05-04 | DePuy Synthes Products, Inc. | Patient-mounted retraction |
US9808281B2 (en) | 2009-05-20 | 2017-11-07 | DePuy Synthes Products, Inc. | Patient-mounted retraction |
US10888360B2 (en) | 2010-04-23 | 2021-01-12 | DePuy Synthes Products, Inc. | Minimally invasive instrument set, devices, and related methods |
CN102843984A (zh) * | 2010-04-23 | 2012-12-26 | 斯恩蒂斯有限公司 | 脊椎外科手术仪器组和方法 |
US11389213B2 (en) | 2010-04-23 | 2022-07-19 | DePuy Synthes Products, Inc. | Minimally invasive instrument set, devices, and related methods |
US10098666B2 (en) | 2011-05-27 | 2018-10-16 | DePuy Synthes Products, Inc. | Minimally invasive spinal fixation system including vertebral alignment features |
CN103648420A (zh) * | 2011-07-13 | 2014-03-19 | 华沙整形外科股份有限公司 | 脊柱杆系统和方法 |
CN103211645B (zh) * | 2012-01-18 | 2016-04-27 | 北京市春立正达医疗器械股份有限公司 | 压棒组合器械 |
CN103211645A (zh) * | 2012-01-18 | 2013-07-24 | 北京市春立正达医疗器械股份有限公司 | 压棒组合器械 |
US10433884B2 (en) | 2013-03-15 | 2019-10-08 | Zimmer Biomet Spine, Inc. | Reduction instrument, surgical assembly including a reduction instrument and related method |
CN104042316A (zh) * | 2013-03-15 | 2014-09-17 | Ebi有限责任公司 | 复位设备、包括复位设备的外科组件及相关方法 |
US9668789B2 (en) | 2013-03-15 | 2017-06-06 | Ebi, Llc | Reduction instrument, surgical assembly including a reduction instrument and related method |
US11596455B2 (en) | 2013-03-15 | 2023-03-07 | Zimmer Biomet Spine, Inc. | Reduction instrument, surgical assembly including a reduction instrument and related method |
CN111093540A (zh) * | 2017-09-05 | 2020-05-01 | 美多斯国际有限公司 | 模块化外科器械和相关方法 |
CN111093540B (zh) * | 2017-09-05 | 2023-09-01 | 美多斯国际有限公司 | 模块化外科器械和相关方法 |
US12053213B2 (en) | 2017-09-05 | 2024-08-06 | Medos International Sárl | Modular surgical instruments and related methods |
US12053214B2 (en) | 2021-03-05 | 2024-08-06 | Medos International Sårl | Sequential reducer |
Also Published As
Publication number | Publication date |
---|---|
US20050149036A1 (en) | 2005-07-07 |
BRPI0417670A (pt) | 2007-04-03 |
US20050149053A1 (en) | 2005-07-07 |
CA2549590A1 (en) | 2005-06-30 |
WO2005058141A3 (en) | 2006-03-23 |
US7824413B2 (en) | 2010-11-02 |
CA2549590C (en) | 2010-12-07 |
DE602004022976D1 (de) | 2009-10-15 |
KR20060132619A (ko) | 2006-12-21 |
US7824411B2 (en) | 2010-11-02 |
AU2004299071B2 (en) | 2010-06-17 |
JP4624365B2 (ja) | 2011-02-02 |
EP1694226A2 (en) | 2006-08-30 |
MXPA06007105A (es) | 2007-01-19 |
JP2007514512A (ja) | 2007-06-07 |
ATE441376T1 (de) | 2009-09-15 |
WO2005058141A2 (en) | 2005-06-30 |
EP1694226A4 (en) | 2008-09-03 |
CN1913836B (zh) | 2010-11-24 |
EP1694226B1 (en) | 2009-09-02 |
AU2004299071A1 (en) | 2005-06-30 |
NZ547959A (en) | 2010-03-26 |
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