CN115916118A - 可扩张植入物组件 - Google Patents
可扩张植入物组件 Download PDFInfo
- Publication number
- CN115916118A CN115916118A CN202180048547.7A CN202180048547A CN115916118A CN 115916118 A CN115916118 A CN 115916118A CN 202180048547 A CN202180048547 A CN 202180048547A CN 115916118 A CN115916118 A CN 115916118A
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- Prior art keywords
- control
- implant
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- link
- lower support
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
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- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
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Abstract
一种植入物包括:第一支撑件;第二支撑件,所述第二支撑件沿着所述植入物的远端可旋转地联接到所述第一支撑件;以及控制组件,所述控制组件被配置成使所述植入物在至少第一折叠定向与第二扩张定向之间移动,所述控制组件包括控制驱动器,所述控制驱动器联接到所述第一支撑件且包含头部和轴,所述控制驱动器被配置成控制所述第一支撑件与所述第二支撑件之间的相对移动;控制构件,所述控制构件被配置成沿着所述控制驱动器的所述轴移动,以及第一连杆,所述第一连杆铰接地联接到所述控制构件和所述第二支撑件上,其中所述控制构件的移动使所述第一支撑件相对于所述第二支撑件移动。
Description
相关专利申请的交叉引用
本申请要求于2020年6月25日提交的美国申请第16/912,242号的优先权和权益,并且是该美国申请的延续,其以全文引用的方式并入本文中。
背景技术
本公开大体上涉及植入物。更具体地,本申请涉及可扩张植入物和装置,包括脊柱椎体间和椎体内装置,以及在放置于脊柱后可扩张的椎体间和椎骨内装置。
许多人因年龄、疾病和创伤以及先天性和后天性并发症和病症而面临脊柱或其它问题。虽然这些问题中有一些可以不需要手术就能缓解,但是其它问题则需要手术。对于诸如脊柱滑脱、椎间盘退变性疾病或椎间盘突出复发等病症,可推荐脊柱融合术,其目的是在相邻椎骨之间形成坚固的骨骼,从而消除骨骼之间的任何移动。脊柱融合术使用已知为椎体间融合器或间隔物的植入物或装置以及从脊柱一侧插入相邻椎骨之间的椎间隙的骨移植物和/或骨移植物替代物。通常,诸如椎弓根螺钉和杆或板的附加手术硬件(植入物)附接到椎骨的背面。当骨移植物愈合时,其融合相邻的椎骨以形成一个长椎骨。
融合器以及其它类型的植入物、植入体和/或装置经常用于患者的椎骨内部(椎骨内)和/或椎骨之间(椎体间)或邻近的其它骨体的脊柱手术。借助于椎体间装置,一个或多个此类椎体被放置在椎骨之间,以在相邻椎骨之间提供支撑并促进相融合,这些相邻椎骨由于疾病、损伤、一般退化或先天性问题而需要这样的融合。对于椎骨内装置,一个或多个椎体被放置在椎骨内。例如融合器等脊柱装置向前、向后、侧向或后侧向插入脊柱空间。
发明内容
在一些实施例中,一种植入物包括:第一支撑件;第二支撑件,所述第二支撑件沿着所述植入物的远端可旋转地联接到所述第一支撑件,以及控制组件,所述控制组件被配置成使所述植入物在至少第一折叠定向与第二扩张定向之间移动。所述控制组件包括控制驱动器,所述控制驱动器联接到所述第一支撑件且包括头部和轴,所述控制驱动器被配置成控制所述第一支撑件与所述第二支撑件之间的相对移动,控制构件,所述控制构件被配置成沿着所述控制驱动器的所述轴移动,以及第一连杆,所述第一连杆铰接地联接到所述控制构件和所述第二支撑件上,其中所述控制构件的移动使所述第一支撑件相对于所述第二支撑件移动。
在一些实施例中,一种植入物包括:上支撑件;下支撑件,所述下支撑件可旋转地联接到所述上支撑件;以及控制组件,所述控制组件被配置成使所述植入物在至少第一折叠定向与第二扩张定向之间扩张,所述控制组件包括第一连杆,所述第一连杆铰接地联接到所述下支撑件,其中所述控制组件的操纵引起所述第一连杆相对于所述上支撑件和所述下支撑件的移动。
在一些实施例中,一种可扩张植入物包括:上支撑件,所述上支撑件具有被配置成接合骨的第一部分的顶表面;下支撑件,所述下支撑件具有被配置成接合骨的第二部分的底表面,所述下支撑件在所述可扩张植入物的后部铰接地联接到所述上支撑件,其中所述上支撑件的所述顶表面和所述下支撑件的所述底表面限定了角度;以及控制组件,所述控制组件包括联接到所述上支撑件和所述下支撑件中的至少一个的连杆,所述控制组件被配置成控制所述上支撑件与所述下支撑件之间在至少第一折叠定向与第二扩张定向之间的移动,其中所述控制组件的操纵导致所述角度改变。
附图说明
通过参考示出本文公开的主题的附图,将更好地理解本文公开的主题的特征,其中:
图1是根据实例实施例的处于第一折叠位置的植入物的透视图。
图2是根据实例实施例的处于第一折叠位置的植入物的透视图。
图3是根据实例实施例的图1的植入物的侧视图。
图4是根据实例实施例的图1的植入物的透视图。
图5是根据实例实施例的处于扩张位置的图1的植入物的透视图。
图6是根据实例实施例的处于扩张位置的图2的植入物的透视图。
图7是根据实例实施例的处于扩张位置的图1的植入物的侧视图。
图8是根据实例实施例的图2的植入物的分解图。
图9是根据实例实施例的上支撑件的透视图。
图10是根据实例实施例的下支撑件的透视图。
图11是根据实例实施例的控制组件的透视图。
图12是根据实例实施例的图2的植入物的剖视图。
图13是根据实例实施例的图6的植入物的剖视图。
在几个视图中,相应的附图标记表示相应的部分。虽然附图表示本公开的实施例,但是附图不一定是按比例绘制,并且某些特征可能被放大以便更好地示出和解释本公开的原理。本文阐述的示例说明了若干实施例,但是这些示例不应被解释为以任何方式限制本公开的范围。
具体实施方式
在转向详细示出某些示范性实施例的附图之前,应当理解,本公开不限于说明书中阐述的或附图中示出的细节或方法。还应理解,本文使用的术语仅仅是出于描述的目的,而不应该被认为是限制性的。
本公开涉及可扩张的和/或动态植入物。在实例实施例中,植入物可以是椎体间(相邻椎骨之间)、椎体内(椎骨内部)和/或脊柱稳定装置,其可以用作或不用作椎体间融合器或装置、椎体间/椎体内稳定装置等(例如脊柱装置),用于在已变得不稳定或另外由于损伤、疾病等而受影响的椎骨或骨的其它部分之间或内部提供支撑、稳定和/或促进骨生长。具体地,本公开提供了可用于人体脊柱或其它区域中的动态(可扩张的和/或可扩张和可收缩的)椎体间/椎体内装置的各种版本。
本文公开的各种实施例涉及可植入相邻骨体之间的可扩张植入物。例如,植入物可植入或插入与脊柱的上下椎骨相邻的人体脊柱中。根据各种示范性实施例,本文公开的植入物的部件可由任何合适的材料制成,包括各种金属、塑料、复合材料或其它合适的生物相容性材料。在一些实施例中,本文公开的植入物的一个或多个部件可由相同的材料制成,而在其它实施例中,不同的材料可用于各种植入物的不同部件。
在一些实施例中,本文所述的植入物可用于恢复垂直椎间盘高度并适应患者解剖结构。例如,植入物的尺寸和功能可基于患者的解剖结构和植入物的期望用途来定制。此外,植入物可用于通过原位调节角度来矫正脊柱的脊柱前凸。
总体上参考附图,公开了一种可扩张植入物。例如,在一些实施中,可扩张植入物可以是可调节的脊柱前凸铰接的可扩张固定脊柱植入物。在一些实施例中,植入物可包括两个圆顶形的、弯曲的或平坦的端板或支撑件。植入物还可包括用于可旋转地(例如,枢转地、铰接地等)将两个支撑件彼此联接的销。例如,两个支撑件可以在植入物的后侧或后部通过铰链机构彼此联接。植入物还可包括被配置成控制两个支撑件的相对移动的驱动螺杆或控制驱动器。植入物还可包括控制构件(例如,滑动螺母或控制块),所述控制构件被配置成沿着控制驱动器平移,从而引起两个支撑件的相对移动。植入物还可包括一个或多个连杆构件,所述连杆构件联接到控制构件和一个或两个支撑件,以便于两个支撑件的受控扩张。第一支撑件或上支撑件可以可旋转地联接到第二下支撑件。例如,植入物还可包括用于将连杆构件枢转地(例如,铰接地)联接到上支撑件或下支撑件的连杆连接销或多个连接销。此外,植入物可被配置成容纳用于将植入物固定到患者体内某位置的一个或多个锚固构件。此外,植入物可包括用于防止锚固构件退出的保持螺钉或集成凸轮螺钉。
现在参考图1至7,示出了根据示范性实施例的植入物或可扩张植入物10。植入物10可用于例如脊柱的椎体之间和/或内部。应当理解,在一些实施例中,植入物10可用于身体除脊柱之外的其它部分,并且所有这些应用应理解为在本公开的范围内。在某些实施例中,植入物10可包括一个或多个锚固构件22,例如骨螺钉或骨倒刺。然而,在其它实施例中,植入物10不包括任何锚固构件22。
如图2所示,第一支撑件或上支撑件18可包括被配置成单独地容纳锚固构件22的一个或多个锚固孔194。然后可将锚固构件22插入锚固孔194中,以将上支撑件18固定在所需位置。此外,第二支撑件或下支撑件20可以包括被配置成单独地容纳锚固构件22的一个或多个锚固孔218。然后可将锚固构件22插入锚固孔218中,以将下支撑件20固定在所需位置。
锚固构件22可以是骨螺钉,如图1所示。锚固构件22可包括头部232、螺纹轴234和与头部234相对的尖端236。头部232还可包括扩张工具接口223,所述扩张工具接口被配置成容纳用于将锚固构件22拧入邻近植入物10的椎骨中的驱动器(例如,一字螺丝刀、十字头螺丝刀、六角起子、梅花起子、罗伯逊起子、三翼螺丝刀、艾伦带孔起子、梅花带孔起子、百事易十字槽螺丝刀、离合器起子、扳手、Schrader起子、螺母起子、六角扳手、节点带孔起子)。
在一些实施例中,如果植入物10包括用于固定植入物10的一个或多个锚固构件22,则植入物10可包括用于防止锚固构件22退出的一个或多个保持构件28。例如,如图1所示,上支撑件18可被配置成容纳两个保持构件28,并且下支撑件20可被配置成容纳保持构件28,这将在本文中进一步讨论。
根据示范性实施例,植入物10包括第一支撑件或上支撑件18(例如上板、支撑构件、组件等)和第二支撑件或下支撑件20(例如下板、支撑构件、组件)。植入物10还可包括控制组件16(见图11),所述控制组件被配置成控制上支撑件18与下支撑件20之间的相对移动。控制组件16可包括一个或多个连杆构件162、联接到连杆构件162的螺母或控制构件164、控制保持构件26,以及被配置成由控制构件164容纳的控制驱动器166,如本文将进一步讨论的(见图11)。
在一些实施例中,如图1至4中所示的实施例,上支撑件18包括前部181、与前部181相对的后部183、第一横向侧184和与第一横向侧184相对的第二横向侧186。类似地,下支撑件20包括前部201、与前部201相对的后部203、第一横向侧204和与第一横向侧204相对的第二横向侧206。
根据示范性实施例,上支撑件18和下支撑件20限定植入物10的高度(例如,由植入物10的上凹槽/齿形表面和下凹槽/齿形表面限定的支撑高度),其中植入物10的高度是上支撑件18的外表面或顶表面182与下支撑件20的外表面或底表面202之间的垂直距离。高度可以在整个植入物10中变化。例如,如果上支撑件18的顶表面182和下支撑件20的底表面202在形状上是拱形的或弯曲的,例如在图1中的实例实施例中所示,植入物10在上支撑件18的第一横向侧184和上支撑件18的第二横向侧186附近的高度可以小于植入物10的横向中心附近的高度。此外,由于非线性扩张轮廓,植入物10的高度可能变化。例如,如图5至7中所示,植入物10的前部附近(即,上支撑件18的前部181附近和下支撑件20的前部201附近)的高度基本上大于植入物10的后部附近(即,上支撑件18的后部183附近和下支撑件20的后部203附近)的高度。
植入物10可包括第一横向窗口30(见图2)和第二横向窗口32(见图1)。在将植入物10安装到患者体内之后,横向窗口30、32可允许植入物10的中心腔内的移植区域的可视化。通过将医学成像装置(例如,X射线机、荧光镜、超声、MRI等)瞄准成基本平行于横向窗口30、32的壁,执业医师或其它用户能够通过每个横向窗口30、32观察移植区域。因此,执业医师可以使用医学成像装置(例如,X射线机、荧光镜、超声、MRI等)通过横向窗口30、32观察移植区域。此外,横向窗口30、32减小植入物10的总重量,同时仍提供足够的结构强度。
植入物10可在至少第一折叠定向与第二扩张定向之间移动。例如,植入物10在图1至4中示出为处于第一折叠定向。此外,根据实例实施例,植入物10在图5至7中示出为处于第二扩张定向。应当理解,第一折叠定向不一定代表植入物10的最小高度(即,第一折叠定向不一定是完全折叠定向),并且第二扩张定向不一定代表植入物10的最大高度(即,第二折叠定向不一定是完全扩张定向)。相反,第一折叠位置可以是其中整个植入物10的平均高度小于第二扩张位置中整个植入物10的平均高度的任何位置。
现在参考图8,示出了根据实例实施例的可扩张植入物10的分解图。根据一些实施例,植入物10可包括一个或多个铰链销12。例如,铰链销12可用于在植入物10的远端(例如,后部183附近)将上支撑件18可旋转地联接(例如,经由铰链机构)到下支撑件20。例如,上支撑件18的后部183可以与下支撑件20的后部203接合,使得下支撑件20的第一铰链销孔212(例如,下支撑件20的第一横向侧204附近的铰链销孔212)与上支撑件18的第一铰链销孔188(例如,上支撑件18的第一横向侧184附近的铰链销孔188)对齐,并且下支撑件20的第二铰链销孔212(例如,下支撑件20的第二横向侧206附近的铰链销孔212)与上支撑件18的第二铰链销孔188(例如,第二横向侧186附近的铰链销孔188)对齐。第一铰链销12和第二铰链销12然后可分别插入(例如,压力配合、摩擦配合等)到上支撑件18和下支撑件20的铰链销孔188、212中,使得上支撑件18铰接地联接到下支撑件20(即,上支撑件18和下支撑件20可绕铰链销12旋转)。应当理解,植入物10包括两个铰链销12以增加稳定性,然而,其它植入物可仅包括一个铰链销12。
根据一些实施例,植入物10可包括一个或多个连杆销14。例如,连杆销14可用于将连杆构件162铰接地联接到下支撑件20。例如,下支撑件20可包括第一连杆销孔214(例如,下支撑件20的第一横向侧204附近的连杆销孔214)和第二连杆销孔214(例如,下支撑件20的第二横向侧206附近的连杆销孔214)。第一连杆销孔214可以与第一连杆构件162的第二连杆孔163对齐,使得第一连杆销14可以插入(例如,压力配合、摩擦配合等)到第一连杆销孔214和第一连杆构件162的第二连杆孔163中,以将第一连杆构件162铰接地联接到下支撑件20,使得第一连杆构件162可以绕第一连杆销14旋转。类似地,第二连杆销孔214可以与第二连杆构件162的第二连杆孔163对齐,使得第二连杆销14可以被插入(例如,压力配合、摩擦配合等)第二连杆销孔214中以将第二连杆构件162铰接地联接至下支撑件20,并且插入到第二连杆构件162的第二连杆孔163中以将第二连杆构件162铰接地联接至下支撑件20,使得第二连杆构件162可以绕第二连杆销14旋转。应当理解,植入物10包括两个连杆构件162和两个连杆销14以增加稳定性,然而,其它植入物可仅包括一个连杆构件162和一个连杆销14。
根据一些实例实施例,植入物10包括控制组件16。例如,控制组件16可被配置成控制上支撑件18和下支撑件20之间的相对移动。控制组件可包括控制驱动器166。控制驱动器166可包括头部167、轴168和尖端169。头部167可包括被配置成容纳扩张工具的扩张工具接口177,如图8所示。在该实例实施例中,如梅花起子的扩张工具可用于操纵控制驱动器166以控制上支撑件18与下支撑件20之间的相对移动。尽管该实例实施例将扩张工具接口177示出为梅花头插座,但是应当理解,扩展工具接口177可以设计成容纳几种不同类型的工具,包括一字螺丝刀、十字头螺丝刀、艾伦扳手螺丝刀、六角起子、梅花起子、罗伯逊起子、三翼螺丝刀、艾伦带孔起子、梅花带孔起子、百事易十字槽螺丝刀、离合器起子、扳手、Schrader起子、螺母起子、六角扳手、节点带孔起子、所列起子接口的任何组合以及任何其它类型的起子接口。
在一些实例实施例中,轴168可以被配置成由控制构件164内的控制孔165容纳。例如,控制驱动器166的轴168和控制构件164的控制孔165具有螺纹,使得控制驱动器166的操纵(例如,旋转)导致控制构件164沿着控制驱动器166的轴168平移,由此导致上支撑件18与下支撑件20之间的相对移动,如将在本文中进一步讨论的。应当理解的是,虽然这些图总体上示出了控制构件164的控制孔165螺纹接合控制驱动器166的轴168,但是在其它实施例中,可以使用其它调节机构(例如,棘轮机构、凹口/棘爪等)。在这些实施例中,控制驱动器166可以被操纵(例如,推进、转动、推动、旋转等)以控制上支撑件18与下支撑件20之间的相对移动。
在某些实施例中,控制构件164可包括一个或多个连杆突起170,所述连杆突起可用于将控制构件164联接到一个或多个连杆构件162。例如,联接构件162可包括被配置成容纳连杆突起170的第一连杆孔161。连杆突起170可以插入(例如,压力配合、摩擦配合等)到第一连杆孔161中以将连杆构件162铰接地联接到控制构件164,使得连杆构件162可以绕连杆突起170旋转。应当理解,植入物10包括两个连杆构件162和两个连杆突起170以增加稳定性,然而,其它植入物可仅包括一个连杆构件162和一个连杆突起170。
在一些实施例中,控制驱动器166还可以包括尖端169。此外,尖端169可以被配置成由控制保持构件26的保持接口260容纳。例如,如图8所示,尖端169可以包括肩部,所述肩部允许控制驱动器166经由保持接口260中的肩部狭槽联接到控制保持构件26。如图所示,保持接口260包括马蹄形狭槽,所述马蹄形狭槽被配置成容纳控制驱动器166的尖端169的圆形肩部。如下文将进一步论述,控制保持构件26可固定到植入物10。例如,控制保持构件26可以包括螺纹轴264,所述螺纹轴可以接合上支撑件18的后部183附近的第一孔185(例如,控制保持孔)(见图9)。在某些实施例中,第一孔185可以是带螺纹的。因此,控制驱动器166的尖端169可以联接到控制保持构件26的保持接口260,并且控制保持构件26可以固定在上支撑件18的第一孔185内,由此将控制组件16固定在植入物10内。
如上所述,植入物10可包括用于防止锚固构件22退出的一个或多个保持构件28。如图8所示,保持构件28包括头部282和轴286。头部282还包括扩张工具接口283、圆形部分284和切口部分285。扩张工具接口283可被配置成容纳可用于紧固和/或松开保持构件28的工具。虽然所示的扩张工具接口283被配置为容纳专用工具,但是扩张工具接口283可以被配置为容纳几种不同类型的工具,包括一字螺丝刀、十字头螺丝刀、艾伦扳手螺丝刀、六角起子、梅花起子、罗伯逊起子、三翼螺丝刀、艾伦带孔起子、梅花带孔起子、百事易十字槽螺丝刀、离合器起子、扳手、Schrader起子、螺母起子、六角扳手、节点带孔起子、所列起子接口的任何组合以及任何其它类型的起子接口。
在一些实例实施例中,保持构件28的轴286可以是带螺纹的,使得它可以被拧入上支撑件18中的螺纹保持孔192和/或下支撑件20的螺纹保持孔216中。在某些实施例中,在将植入物10插入患者体内之前,可将保持构件28预先拧入螺纹保持孔192、216中。例如,保持构件28可以预先拧入第一位置中,例如图2所示的位置。当保持构件28处于第一位置时,保持构件28的切口部分285可以提供足够的间隙,使得锚固构件22可以插入锚固孔194、218中。一旦锚固构件22被插入,保持构件28可被转动到第二位置(例如,使用设计成接合扩张工具接口283的专用工具拧入),使得圆形部分284减小锚固孔194、218的间隙,以防止锚固构件22退出。例如,圆形部分284可与锚固构件22的头部282接合,从而防止锚固构件22退出。
现在参考图9,根据实例实施例示出了上支撑件18。根据实例实施例,上支撑件18包括被配置成固定控制组件16的第一孔185和第二孔187。例如,控制驱动器166可以插入第二孔187中,使得轴168可以在第二孔187内旋转。此外,尖端169可定位在第一孔185内,使得控制保持构件26可用于固定控制驱动器166,使得尖端169可在保持接口260内旋转。
在一些实例实施例中,上支撑件18和/或下支撑件20可以包括一个或多个安装工具接口193、195。例如,如图9所示,植入物10可包括第一横向侧184附近的第一安装工具接口193(见图2)。植入物10还可包括第二横向侧186附近的第二安装工具接口195。第一安装工具接口193和第二安装工具接口195可与安装工具一起使用,以帮助执业医师或其它用户将植入物10插入患者体内。例如,安装工具可以可控制地夹紧(例如,夹紧、挤压等)安装工具接口193、195,以将植入物10固定到安装工具。然后,安装工具可以用于将植入物10插入患者体内,并且一旦植入物10处于所需位置,操作者就可以可控制地从安装工具释放植入物10。
现在参考图10,根据实例实施例示出了下支撑件20。如上所述,下支撑件20包括第一铰链销孔212(例如,下支撑件20的第一横向侧204附近的铰链销孔212)和第二铰链销孔212(例如,下支撑件20的第二横向侧206附近的铰链销孔212)。在该实例实施例中,铰链销孔212从横向侧204、206延伸,穿过第一铰链部分220并进入第二铰链部分222。然而,在其它实施例中,铰链销孔212可以不延伸到第二铰链部分222中。
如上所述,下支撑件20包括第一连杆铰链孔214(例如,下支撑件20的第一横向侧204附近的连杆铰链孔214)和第二连杆铰链孔214(例如,下支撑件20的第二横向侧206附近的连杆铰链孔214)。在该实例实施例中,铰链销孔212从横向侧204、206和下支撑件20的中心部分224延伸。然而,在其它实施例中,连杆铰链孔214可以不延伸到中心部分224中。
现在参考图11,在实例实施例中示出了控制组件16。控制组件16可包括一个或多个连杆构件162、联接到连杆构件162的螺母或控制构件164、控制保持构件26,以及被配置成由控制构件164容纳的控制驱动器166。控制组件16可包括控制驱动器166。控制驱动器166可包括头部167、轴168和尖端169。头部167可包括被配置成容纳扩张工具的扩张工具接口177。在该实例实施例中,如梅花起子的扩张工具可用于操纵控制驱动器166以控制上支撑件18与下支撑件20之间的相对移动。尽管该实例实施例将扩张工具接口177示出为梅花头插座,但是应当理解,扩展工具接口177可以设计成容纳几种不同类型的工具,包括一字螺丝刀、十字头螺丝刀、艾伦扳手螺丝刀、六角起子、梅花起子、罗伯逊起子、三翼螺丝刀、艾伦带孔起子、梅花带孔起子、百事易十字槽螺丝刀、离合器起子、扳手、Schrader起子、螺母起子、六角扳手、节点带孔起子、所列起子接口的任何组合以及任何其它类型的起子接口。
如上所述,控制驱动器166的轴168可由控制构件164容纳。例如,轴168可以螺纹接合控制构件164的中心孔165(见图8)。例如,控制驱动器166的轴168和控制构件164的控制孔165具有螺纹,使得控制驱动器166的操纵(例如,旋转)导致控制构件164沿着控制驱动器166的轴168平移。在使用中,当控制构件164沿着轴168平移时,上支撑件18和下支撑件20将由于以下情况而相对于彼此移动:链接构件162铰接地附接至控制构件164,链接构件162还铰接地附接至下支撑件20,并且控制驱动器166经由第一孔185和第二孔187联接至上支撑件18(见图9)。例如,当控制构件164朝向上支撑件18的前部181平移时(见图1),上支撑件18可远离下支撑件20扩张。
现在参考图12和13,示出了根据实例实施例的植入物10的剖视图。在该实例实施例中,所示的植入物10没有锚固构件22,然而,在其它实施例中,植入物10可包括一个或多个锚固构件22。图12示出了处于第一折叠定向的植入物10,而图13示出了处于第二扩张定向的植入物10。在这些实例实施例中,控制驱动器166可以用于控制上支撑件18与下支撑件20之间的相对移动。控制驱动器166的尖端169定位在控制保持构件26的控制保持接口260内,使得尖端169可在控制保持接口260内旋转。当操纵控制驱动器166时(例如,使用梅花头驱动器旋转),控制构件164可沿着控制驱动器166的轴168平移。当控制构件164从图12所示的位置平移到图13所示的位置时,由上支撑件18的顶表面182和下支撑件20的底表面202形成的角度增大。此外,整个植入物10的平均高度(即,植入物10的高度是上支撑件18的外表面或顶表面182与下支撑件20的外表面或下表面202之间的垂直距离)随着控制构件164从图12所示的位置平移到图13所示的位置而增加。然而,由于上支撑件18的后部183和下支撑件20的后部203附近的铰接连接,植入物10的后部处的高度相对于植入物10的前部附近(即,上支撑件18的前部181和下支撑件20的前部201附近)的高度变化基本上保持相同。因此,当操纵控制驱动器166且控制构件164朝植入物10的前部平移时,植入物10的前部附近的高度变化率大于植入物10的后部附近的高度变化率。
现在总体参考附图,本文公开的各种实施例提供了可扩张植入物,所述可扩张植入物包括下支撑件和上支撑件,所述上支撑件可调节地联接到下支撑件并可在第一折叠位置与第二扩张位置之间移动。
在一些实施例中,下支撑件和上支撑件中的一个或两个包括突起/凹槽,以提供便于抓握骨的相邻部分的抓握表面。在另外的实施例中,下支撑件和该上支撑件中的一个或两个包括一个或多个孔和/或空腔,所述孔和/或空腔被配置成促进下支撑件和上支撑件之中和周围的骨生长。在一些实施例中,孔从下支撑件和上支撑件的顶表面、底表面和/或侧表面延伸到植入物的中心腔。
根据本文公开的任何实施例,可以包括一个或多个骨螺钉并且将其定位成延伸穿过下支撑件和上支撑件中的一个或两个并且进入骨的相邻部分中。在一些实施例中,使用多个骨螺钉。第一骨螺钉可延伸穿过可调节构件并进入骨的第一部分,而第二骨螺钉可延伸穿过基座构件并进入骨的第二部分。在另外的实施例中,多个骨螺钉可通过由可调节构件和基座构件中的一个或两个限定的植入物的前面接近和操纵。控制轴的头部和扩张工具接口还可通过植入物的前面接近。
在各种实施例中,可以使用控制轴/控制构件/控制通道的任何适当配置。在一些实施例中,至少部分为球形的控制构件螺纹接合螺纹控制轴,并沿着控制轴平移。在其它实施例中,控制构件是非球形的。
如本文所用,术语“大致”、“约”、“基本上”和类似术语旨在具有与本公开的主题所属领域的普通技术人员的常用和公认的用法一致的广泛含义。对本公开进行审查的本领域技术人员应当理解,这些术语旨在允许对所描述和要求保护的一些特征进行描述,而不将这些特征的范围限制于所提供的精确数值范围。因此,这些术语应被解释为指示对所描述和要求保护的主题的非实质或无关紧要的修改或改变被视为处于所附权利要求书中所述的本申请的范围内。
应注意,如本文中用于描述各种实施例的术语“示范性”旨在指示此类实施例是可能实施例的可能实例、表示和/或说明(且此类术语不旨在暗示此类实施例必定是特别的或最佳的实例)。
本文所用的术语“联接”、“连接”等是指两个构件直接或间接地彼此接合。这种接合可以是固定的(例如,永久的)或可移动的(例如,可移除的或可释放的)。这样的接合可以通过两个构件或彼此一体地形成为单个整体的两个构件和任何额外中间构件来实现,或者通过两个构件或附接到彼此的两个构件和任何额外中间构件来实现。
本文提到的元件的位置(例如,“顶部”、“底部”、“上面”、“下面”、“上”、“下”等)仅用于描述附图中各种元件的定向。应当注意,根据其它示范性实施例,各种元件的定向可以不同,并且此类变化旨在被本公开所涵盖。
尽管附图和描述可以说明方法步骤的特定顺序,但除非上文以不同方式指定,否则此类步骤的顺序可以不同于所描绘和描述的顺序。同样,除非上文以不同方式指定,否则两个或多个步骤可以同时或部分同时执行。这种变化可以取决于例如所选择的硬件系统和设计者的选择。所有这些变化都在本公开的范围内。
重要的是应注意,各种示范性实施例的构造和布置仅是说明性的。虽然在本公开中仅详细描述了几个实施例,但是审阅本公开的本领域技术人员将容易理解,在实质上不脱离本文描述的主题的新颖教导和优势的情况下,许多修改是可行的(例如,各种元件的大小、尺寸、结构、形状和比例、参数值、安装布置、材料的使用、颜色、定向等的变化)。例如,示出为整体形成的元件可由多个部分或元件构成,元件的位置可颠倒或以其它方式改变,并且离散元件或位置的性质或数目可改变或变更。任何过程或方法步骤的次序或顺序都可能根据替代实施例改变或重新排序。还可在不脱离本申请的范围的情况下对各种示范性实施例的设计、操作条件以及布置进行其它替换、修改、改变和省略。
应理解,本发明的植入物和安装仪器的部件、结构和/或特征的尺寸可在本公开的范围内根据需要改变。
Claims (20)
1.一种植入物,其包含:
第一支撑件;
第二支撑件,所述第二支撑件沿着所述植入物的远端可旋转地联接到所述第一支撑件;以及
控制组件,所述控制组件被配置成使所述植入物在至少第一折叠定向与第二扩张定向之间移动,所述控制组件包含:
控制驱动器,所述控制驱动器被联接到所述第一支撑件并且包含头部和轴,所述控制驱动器被配置成控制所述第一支撑件与所述第二支撑件之间的相对移动;
控制构件,所述控制构件被配置成沿着所述控制驱动器的所述轴移动;以及
第一连杆,所述第一连杆铰接地联接到所述控制构件和所述第二支撑件,其中所述控制构件的移动使所述第一支撑件相对于所述第二支撑件移动。
2.根据权利要求1所述的植入物,其中所述第一支撑件经由铰链枢转地联接到所述第二支撑件。
3.根据权利要求1所述的植入物,其中所述控制构件包含第一突起,并且所述控制构件沿着所述控制驱动器的所述轴的平移进一步使所述第一连杆绕所述第一突起旋转。
4.根据权利要求3所述的植入物,其进一步包含第二连杆,所述第二连杆铰接地联接到所述第二支撑件并且铰接地联接到所述控制构件的第二突起,其中所述控制构件沿着所述控制驱动器的所述轴的平移进一步使所述第二连杆绕所述第二突起旋转。
5.根据权利要求1所述的植入物,其中所述第一支撑件被配置成容纳第一锚固构件,并且所述第二支撑件被配置成容纳第二锚固构件。
6.根据权利要求1所述的植入物,其中所述第一支撑件包含顶表面,并且所述第二支撑件包含底表面;
其中所述顶表面与所述底表面之间的距离限定了高度;并且
其中所述控制构件的平移导致所述植入物的前部附近的高度变化大于所述植入物的后部附近的高度变化。
7.根据权利要求6所述的植入物,其中所述第一支撑件进一步包含控制保持孔,所述控制保持孔被配置成容纳控制保持构件,其中所述控制保持构件包括保持接口,所述保持接口被配置成容纳所述控制驱动器的尖端。
8.一种植入物,其包含:
上支撑件;
下支撑件,所述下支撑件可旋转地联接到所述上支撑件;以及
控制组件,所述控制组件被配置成使所述植入物在至少第一折叠定向与第二扩张定向之间扩张,所述控制组件包含第一连杆,所述第一连杆铰接地联接到所述下支撑件,其中所述控制组件的操纵引起所述第一连杆相对于所述上支撑件和所述下支撑件的移动。
9.根据权利要求8所述的植入物,其中所述控制组件进一步包含控制构件,所述控制构件包含第一突起,并且所述控制构件沿着控制驱动器的轴的平移进一步使所述第一连杆绕所述第一突起旋转。
10.根据权利要求9所述的植入物,其进一步包含第二连杆,所述第二连杆铰接地联接到所述下支撑件并且铰接地联接到所述控制构件的第二突起,其中所述控制构件沿着所述控制驱动器的所述轴的所述平移进一步使所述第二连杆绕所述第二突起旋转。
11.根据权利要求9所述的植入物,其中所述上支撑件被配置成容纳第一锚固构件,并且所述下支撑件被配置成容纳第二锚固构件。
12.根据权利要求9所述的植入物,其进一步包含:
前部和后部,
其中所述上支撑件包含顶表面并且所述下支撑件包含底表面;
其中所述顶表面与所述底表面之间的距离限定了高度;并且
其中,在所述植入物的所述前部附近的第二扩张位置中的高度基本上大于在所述植入物的所述前部附近的第一折叠位置中的高度。
13.根据权利要求9所述的植入物,其进一步包含:
前部和后部;
其中所述上支撑件包含顶表面并且所述下支撑件包含底表面;
其中所述顶表面与所述底表面之间的距离限定了高度;并且
其中所述控制构件的平移导致所述植入物的所述前部附近的高度变化大于所述植入物的所述后部附近的高度变化。
14.根据权利要求13所述的植入物,其中所述上支撑件进一步包含控制保持孔,所述控制保持孔被配置成容纳控制保持构件,其中所述控制保持构件包括保持接口,所述保持接口被配置成容纳所述控制驱动器的尖端。
15.一种可扩张植入物,其包含:
上支撑件,所述上支撑件具有被配置成接合骨的第一部分的顶表面;
下支撑件,所述下支撑件具有被配置成接合骨的第二部分的底表面,所述下支撑件在所述可扩张植入物的后部铰接地联接到所述上支撑件,其中所述上支撑件的所述顶表面和所述下支撑件的所述底表面限定了角度;以及
控制组件,所述控制组件包含联接到所述上支撑件和所述下支撑件中的至少一个的连杆,所述控制组件被配置成控制所述上支撑件与所述下支撑件之间在至少第一折叠定向与第二扩张定向之间的移动,其中所述控制组件的操纵导致所述角度改变。
16.根据权利要求15所述的可扩张植入物,其中所述上支撑件的所述顶表面与所述下支撑件的所述底表面之间的距离限定了高度,其中所述控制组件的所述操纵引起所述可扩张植入物的前部附近的高度变化,而不引起所述可扩张植入物的所述后部附近的实质高度变化。
17.根据权利要求16所述的可扩张植入物,其中所述控制组件包含:
控制驱动器,所述控制驱动器被配置成由所述上支撑件中的第一孔容纳;
控制构件,所述控制构件被配置成沿着所述控制驱动器的轴平移;以及
第一连杆,所述第一连杆联接到所述控制构件和所述下支撑件。
18.根据权利要求17所述的可扩张植入物,其进一步包含控制保持构件,所述控制保持构件被配置成由所述上支撑件中的第二孔螺纹容纳,其中所述控制保持构件包括保持接口,所述保持接口被配置成容纳所述控制驱动器的尖端。E
19.根据权利要求17所述的可扩张植入物,其中所述控制构件包含第一突起,并且所述控制构件沿着所述控制驱动器的所述轴的平移进一步使所述第一连杆绕所述第一突起铰接地旋转。
20.根据权利要求17所述的可扩张植入物,其中所述上支撑件被配置成容纳第一锚固构件,并且所述下支撑件被配置成容纳第二锚固构件。
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EP4171447A2 (en) | 2023-05-03 |
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