CN104856736A - 用于手术吻合器的对准销组件 - Google Patents

用于手术吻合器的对准销组件 Download PDF

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CN104856736A
CN104856736A CN201510250682.6A CN201510250682A CN104856736A CN 104856736 A CN104856736 A CN 104856736A CN 201510250682 A CN201510250682 A CN 201510250682A CN 104856736 A CN104856736 A CN 104856736A
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拉梅什·斯利尼瓦萨·拉奥
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Abstract

本发明提供了一种手术吻合器，包括：对准销，其从缩回位置至推进后位置是能移动的；以及砧座组件，其限定安置成当所述对准销处于所述推进后位置时容纳所述对准销的开口，所述砧座组件包括突起部件，所述突起部件安置成当所述对准销处于所述推进后位置时以干涉配合的方式摩擦地接合所述对准销来将所述对准销摩擦地保持在所述推进后位置上。

Description

用于手术吻合器的对准销组件
本申请是申请日为2011年3月25日，申请号为201110076647.9，发明名称为“用于手术吻合器的对准销组件”的发明专利申请的分案申请。
相关申请的交叉引用
本申请要求2010年3月25日提交的序号为61/317,394的临时申请的优先权，将所述申请的全部内容通过引用合并于此。
技术领域
本公开一般地涉及一种手术吻合装置，并且更特别地涉及一种具有包括引入和/或捕获部件的对准销组件的手术吻合装置。
背景技术
用于通过受压缩的活组织施加平行的多排吻合钉的手术吻合器械在本领域中是公知的，并且例如通常用于在横切之前、在切除之前或者在吻合中闭合组织或器官，以及用于在胸部和腹部操作中闭塞器官。
典型地，这种手术吻合器械包括：砧座组件；钉仓组件，其用于支撑一排手术吻合钉；接近机构，其用于使所述砧座组件和所述钉仓组件接近；对准销组件，其用于捕获钉仓组件和砧座组件之间的组织，并且在接近和发射期间保持钉仓组件与砧座组件之间的对准；以及发射机构，其用于从钉仓组件中射出手术吻合钉。所述接近机构和所述发射机构能够包括用于实现接近和吻合钉发射的不同的致动器。对准销组件将来自钉仓组件的对准销推进以与砧座接合。对准销组件能够在操作接近机构时自动地被致动和/或被手动操作。
典型地，对准销的远端被容纳在形成在砧座组件中的开口内。形成在砧座组件内的所述开口典型地定尺寸为所述开口的直径稍大于容纳在其中的对准销的直径。这种构造防止对准销在手术吻合钉发射之前以及发射期间横向移动。
有益的是，提供一种改进的对准销组件，以扩大制造公差并适应未对准。
发明内容
在本公开的一个方案中，提供一种对准销组件，所述对准销组件包括：对准销，其被构造成在致动吻合器之前被推进；以及端盖，其限定一个开口，所述开口被构造成在致动吻合器之前容纳所述对准销。所述端盖包括围绕所述开口形成的对准销接触区域，所述对准销接触区域被构造成将对准销引导到所述开口内。
对准销接触区域可以限定大致V形或U形的轮廓。在一些实施例中，接触区域能够具有曲面。在一个实施例中，对准销接触区域可以限定约一百五十度至约一百七十度的角度，并且优选地在一个实施例中限定约一百六十度的角度。端盖可以被构造成容纳在砧座组件的远端上。可选择地，端盖可以与砧座组件一体地形成。
在一个实施例中，端盖可以包括在开口的远侧的突起部件，所述突起部件用于摩擦地接合对准销。突起部件能够至少包括第一突起构件和第二突起构件。各个突起构件可以包括对准销接合面。
而且，在另一方案中提供一种手术吻合器，所述手术吻合器包括：手柄组件；细长主体，其从所述手柄组件延伸出；钉仓组件，其安装在所述细长主体的远端上并且包括被构造为从所述钉仓组件被推进的对准销；以及砧座组件，其位于钉仓组件的远侧。所述砧座组件包括一个开口，所述开口被构造成容纳所述对准销，所述开口包括成角度的对准销接触区域以提供引入构造。
在一个实施例中，所述对准销接触区域限定大致V形轮廓，而在另一实施例中对准销接触区域限定大致U形轮廓。对准销接触区域能够限定曲面。对准销接触区域可以限定约一百五十度至约一百七十度的角度，并且优选地在一个实施例中可以限定约一百六十度的角度。端盖可以包括用于摩擦接合对准销的突起部件。所述突起部件可以至少包括第一突起构件和第二突起构件。各个突起构件可以包括对准销接合面。在一些实施例中，手术吻合器能够具有与接触区域的近似一半宽度相等的公差，从而如果与开口的横向偏移小于或等于测量到的直至接触区域的近似一半宽度的距离，则能够使对准销被引导到所述开口内。
附图说明
这里将参考附图说明本公开的手术吻合装置的实施例，其中：
图1为现有技术手术吻合装置的立体图；
图2为图1中的现有技术手术吻合装置的远端的放大立体图；
图3为图1中的现有技术手术吻合装置的砧座组件的一部分的放大立体图；
图4为图1中的现有技术手术吻合装置的砧座组件和对准销的剖视示意图；
图5为根据本公开的一个实施例的包括端盖的图1中的手术吻合装置的远端的放大立体图；
图6为图5中的细节6的放大立体图；
图7为沿着图6中的线7-7截取的剖视端视图；
图8为对准销处于缩回位置且未示出的图5中的细节6的放大端视图；
图9为在对准销与端盖接合之前图5中的端盖和对准销的剖视图；
图10为在对准销与端盖接合时图5中的端盖和对准销的剖视图；
图11为包括根据本公开的端盖的可选实施例的砧座组件的远端的放大端视图；
图12为图11中的砧座组件的远端的放大侧视图；以及
图13为图11中的端盖的放大立体图。
具体实施方式
现在，将参考附图详细地说明本公开的对准销组件的实施例，其中在各个视图中相同的附图标记表示相应的部件。在本说明书的全文中，术语“近侧”指的是器械的较靠近操作者的部分，并且术语“远侧”指的是器械的较远离操作者的部分。
现有技术手术吻合装置10示于图1-图3中。简要地说，吻合装置10包括固定手柄14、可枢转扳柄16、细长中央主体部18、钉仓组件20和砧座组件22。拇指按钮24可滑动地位于主体12的每一侧上，并且能够移动以便从钉仓组件20向远侧手动地推进对准销38(在扳柄16致动时，销38能够可选地被自动推进)。释放按钮26位于主体12的近侧部上且可被压下，以允许钉仓组件20从布置为与砧座组件22邻近的接近位置返回到与砧座组件22间隔开的位置。
特别地参考图2和图3，砧座组件22包括砧座36。砧座36包括开口67，所述开口67被构造成在操作吻合装置10期间通过开口67容纳对准销38。砧座组件22进一步包括盖39。盖39为砧座组件22提供平滑的表面，在使用时不易于划破组织。
现在转到图4，形成在砧座36中的开口67包括比对准销38的直径稍大的直径。对准销38可以包括锥形或圆形的远侧自由端38a。如图4所示，对准销38和开口67的尺寸和构造为使得手术吻合装置10具有与对准销38的近似一半宽度或距离“x”相等的公差。通过这种方式，在对准销38的远端38a没有被容纳在开口67内之前，对准销38可以横向偏移距离“x”。在一个实施例中，“x”约等于0.039英寸。
已经对手术吻合器10的结构和功能说明到公开本公开的方案所必需的程度。与手术吻合器10基本相似的手术吻合器的结构和功能的更详细的讨论在序号为6,817,508的共有美国专利(’508专利)中进行了公开，所述专利的全部内容通过引用合并于此。尽管参考手术吻合装置10进行了说明，但是可以对本公开的方案进行修改以用于具有可推进对准销的其他吻合装置中。
现在参考图5-图7，根据本公开的端盖的实施例一般地表示为端盖51。端盖51可以由塑料、聚合物或任何其他适合的材料形成。端盖51限定大致D形构件，所述大致D形构件被构造成容纳在砧座组件22的末端上方。端盖51可以摩擦地紧固到砧座组件22上或者可以代替地利用粘合剂、机械紧固件等紧固到砧座组件22上。还可以具有搭扣部件或互锁结构以接合砧座组件的上面或侧面且可选地被胶粘以用于另外的保持。在一些实施例中，端盖51与砧座组件22一体地(单块地)形成。如图所示，端盖51被构造成容纳于预先存在的吻合器上；然而，还可以预想，手术吻合器可以被修改成合并端盖。可以预想，本公开的方案可以被修改以用于包括对准销的任何器械。如图所示，端盖51位于形成砧座凹陷的多排吻合钉的上方(图6中的方位)。
参图8-图10，端盖51限定一个开口53，所述开口53被构造成：当端盖51被牢固地容纳在砧座组件22上时，开口53与形成在吻合器10的砧座36中的开口对准。端盖51围绕开口53限定对准销接触区域55，对准销接触区域55提供引入部件。对准销接触区域55被构造成朝向开口53引导对准销38。对准销接触区域55的宽度仅受端盖51的宽度限制。在图示的实施例中的对准销接触区域55包括限定角度α的大致V形轮廓，在一个示例性实施例中，所述角度α在从约一百五十度(150°)至约一百七十度(170°)的范围内变化，并且优选地在一个实施例中约为一百六十度(160°)。在一个可选实施例中，对准销接触区域55包括大致U形轮廓。对准销接触区域55的上部55a还包括弯曲或成角度的轮廓。对准销接触区域55的上部55a被构造成朝向端盖51中的开口53进一步引导对准销38的远端38a。在一个实施例中，对准销接触区域55包括例如硅树脂的涂层，所述涂层被构造成减少对准销38的远端38a和端盖51之间的摩擦，以便于对准销38靠着对准销接触区域55滑动。
现在特别参考图7，图示了对准销捕获部件。端盖51包括突起部件57，突起部件57被构造成在通过开口53容纳对准销38的远端38a时摩擦地接合对准销38且保持对准销38。突起部件57被构造成通过由脊状部59a、59b提供的干涉配合来防止对准销38在致动吻合器10期间过早地缩回。突起部件57包括绕开口53向内延伸的第一突起构件57a和第二突起构件57b。尽管显示包括两个突起构件57a、57b，可以预想，端盖51可以包括一个或多于两个的突起构件。第一突起构件57a和第二突起构件57b各自分别包括销接合面59a、59b，销接合面59a、59b被构造成在对准销38的远端38a通过开口53被容纳时接合对准销38。销接合面59a、59b可以包括如图所示的脊状部，或者可以其他方式被构造成摩擦地接合对准销38的远端38a。销接合面59a、59b可以包括涂层，即橡胶(未示出)，用于更加紧固地接合对准销38。
将特别参考图9和图10来说明对准端盖51的操作。如上所述，可以利用诸如图1中的按钮24的拇指按钮手动地推进对准销38。可选择地，对准销38在致动诸如图1中的手术吻合装置10的装置期间被自动地推进。在箭头“A”所示的方向上推进对准销38会朝向端盖51的开口53引导对准销38的远端38a。然而，在对准销38被推进期间，如果对准销38未与端盖51的开口53对准，则对准销38将接触到销接触区域55。对准销38的远端38a与对准销接触区域55的接合致使在箭头“B”所示的方向上朝向端盖51的开口53引导对准销38。在箭头“C”所示的方向上完成推进对准销38时，对准销38的远端38a被容纳在端盖51的开口53内。
如图9和图10所示，对准销38和端盖51的尺寸和构造使得手术吻合装置10具有与对准销接触区域55的近似一半宽度或距离“y”相等的公差。通过这种方式，在对准销38的远端38a没有被引导到开口53内之前，对准销38可以从开口53横向偏移距离“y”。在一个实施例中，“y”约等于0.157英寸。
在对准销38通过开口53被容纳时，突起部件57的相应的第一突起构件57a和第二突起构件57b的各个销接合面59a、59b接合对准销38的远端38a。通过这种方式，突起部件57将对准销38摩擦地保持在推进后的位置上，从而防止对准销38的过早缩回。施加足够的近侧力将使得能从突起部件57释放对准销38。
现在参考图11-图13，根据本公开的端盖的可选实施例一般地表示为端盖151。端盖151与上文所述的端盖51基本相似，因此仅对二者之间的差别进行说明。端盖151被构造成与砧座组件122紧固接合。端盖151具有带曲面的球形对准销接触区域155，用于朝向开口153引导图8-图9中的对准销38。端盖151可以被摩擦地容纳在砧座组件122上或者代替地可以机械紧固、粘合、焊接或以其他方式紧固到砧座组件122上。端盖能够可选择地与砧座组件单块地(一体地)形成。在使用时，如果对准销未对准且以与接触区域55相似的方式接触接触区域155，则对准销接触区域155将对准销(未示出)引导到形成在对准销接触区域155中的开口153内。端盖151可以如图7中的实施例一样包括突起部件(未示出)。
应当理解的是，可以对这里所公开的实施例进行各种改进。例如，对准销组件的部件可以被修改以用于包括对准销的其他器械中。因此，上面的说明不应当被解释为限制，而仅为优选实施例的示例。本领域技术人员将在所附权利要求的范围和精神内预想其他改进。

Claims (13)

1.一种手术吻合器，包括：
对准销，其从缩回位置至推进后位置是能移动的；以及
砧座组件，其限定安置成当所述对准销处于所述推进后位置时容纳所述对准销的开口，所述砧座组件包括突起部件，所述突起部件安置成当所述对准销处于所述推进后位置时以干涉配合的方式摩擦地接合所述对准销来将所述对准销摩擦地保持在所述推进后位置上。
2.根据权利要求1所述的手术吻合器，其中，所述砧座组件包括安置成将所述对准销引导到所述开口内的对准销接触区域。
3.根据权利要求2所述的手术吻合器，其中，所述对准销接触区域限定大致V形表面。
4.根据权利要求2所述的手术吻合器，其中，所述对准销接触区域限定弯曲表面。
5.根据权利要求2所述的手术吻合器，其中，所述对准销接触区域限定一百五十度至一百七十度的角度。
6.根据权利要求2所述的手术吻合器，其中，所述对准销接触区域具有宽度，并且在处于所述推进后位置时，所述对准销具有与所述宽度的近似一半相等的公差，从而如果与所述开口的横向偏移小于或等于测量到的直至所述对准销接触区域的近似一半的宽度的距离，则使得所述对准销能被引导到所述开口内。
7.根据权利要求1所述的手术吻合器，其中，所述砧座组件包括端盖并且所述端盖限定所述开口。
8.根据权利要求7所述的手术吻合器，所述砧座组件进一步包括砧座并且所述端盖与所述砧座一体地形成。
9.根据权利要求1所述的手术吻合器，其中，所述对准销是能被手动推进的。
10.根据权利要求1所述的手术吻合器，其中，所述突起部件至少包括第一突起构件和第二突起构件，并且所述第一突起构件和所述第二突起构件中的每个均包括对准销接合面。
11.根据权利要求1所述的手术吻合器，其中，所述突起部件包括脊状部。
12.根据权利要求1所述的手术吻合器，进一步包括：
手柄组件；
细长主体，其从所述手柄组件延伸出；以及
钉仓组件，其安装在所述细长主体的远端上。
13.根据权利要求1所述的手术吻合器，其中，所述砧座组件限定砧座凹陷并且所述开口与所述砧座凹陷间隔开。
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CN104856736B (zh) 2018-01-02
CA2733215A1 (en) 2011-09-25
AU2011200918B2 (en) 2015-11-12
CN102247181B (zh) 2015-05-27
CN102247181A (zh) 2011-11-23
US20110233261A1 (en) 2011-09-29
CA2733215C (en) 2017-10-24
EP2368503A1 (en) 2011-09-28
US20140339287A1 (en) 2014-11-20
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JP5808925B2 (ja) 2015-11-10
AU2016200307A1 (en) 2016-02-11

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