CN117915841A - 包括手动回缩组件的外科缝合装置 - Google Patents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
- A61B2017/00398—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
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Abstract
一种外科缝合装置包括工具组件和手柄组件。该工具组件包括第一钳口构件和第二钳口构件。该手柄组件包括齿条和回缩组件。该齿条操作地联接到该工具组件并且以能够滑动的方式支撑在该手柄组件中。该齿条包括沿该齿条的长度延伸的齿。该回缩组件包括轴、包括轮和从该轮延伸的杠杆手柄的杠杆、以及以能够枢转的方式固定到该轮的棘爪。该杠杆固定到该轴以随该轴旋转。该轴可在脱离状态和接合状态之间转变,在该脱离状态下,该棘爪与该齿条的齿脱离,在该接合状态下,该棘爪接合该齿条的齿,使得当该杠杆手柄绕该轴旋转时,该齿条回缩。
Description
技术领域
本公开涉及外科缝合装置,并且更特别地涉及具有手动回缩组件的外科缝合装置。
背景技术
用于以内窥镜方式治疗组织的各种类型的外科装置在本领域中是已知的。此类外科装置通常例如用于在横切手术、切除手术和吻合手术中闭合组织或器官,用于在胸腔手术和腹部手术中闭塞器官,以及用于电外科融合或密封组织。
此类外科装置的一个示例是外科缝合装置。通常,外科缝合装置包括具有砧座组件和仓组件的工具组件,和驱动组件。通常,驱动组件包含柔性驱动梁和支撑在驱动梁的远侧末端上的夹具构件。驱动组件可移动以使夹具构件前进通过工具组件以接近仓组件和砧座组件,并使致动滑块前进通过仓组件以从仓组件中弹出缝钉。
外科缝合装置可以是手动致动装置,其中临床医生挤压触发器以致动缝合装置或动力缝合装置,其中临床医生启动缝合装置内的马达以致动缝合装置。虽然动力缝合装置需要较小的力来操作,但是当装置失去动力或装置的部件损坏时可能会出现困难。在这种情况下,装置可保持夹紧在组织周围,从而防止该装置从患者身上移除。
在本领域中一直需要动力缝合装置,该动力缝合装置包括手动回缩组件,在失去动力时或当装置不能操作时可被手动地操作以回缩驱动组件。
发明内容
根据本公开,一种外科缝合装置包括工具组件和手柄组件。该工具组件包括第一钳口构件和第二钳口构件,该第二钳口构件能够相对于该第一钳口构件在打开构型和闭合构型之间转变。该手柄组件包括齿条和回缩组件。该齿条操作地联接到该工具组件,并且以能够滑动的方式支撑在该手柄组件中。该齿条包括沿该齿条的长度延伸的齿。该回缩组件包括轴、包括轮和从该轮延伸的杠杆手柄的杠杆、以及以能够枢转的方式固定到该轮的棘爪。该杠杆固定到该轴以随该轴旋转。该轴可在脱离状态和接合状态之间转变,在该脱离状态下,该棘爪与该齿条的齿脱离,在该接合状态下,该棘爪接合该齿条的齿,使得当该杠杆手柄绕该轴旋转时,该齿条回缩。
在一方面,该回缩组件的该轴可正交于该齿条设置。
在另一方面,该轴可在该脱离状态和该接合状态之间侧向滑动。
在又一方面,该杠杆的该杠杆手柄可从该轮切向延伸。
在又另一方面,该轴可具有将该轴固定到该手柄组件的止动器。
在又另一方面,该手柄组件可限定第一圆形凹槽和第二圆形凹槽以容纳该轴的该止动器,从而当该止动器容纳在该手柄组件的该第一圆形凹槽中时,该轴处于该脱离状态,并且当该止动器容纳在该手柄组件的该第二圆形凹槽中时,该轴处于该接合状态。
在一方面,该齿条可包括沿该齿条的该长度延伸的平坦部分。当该轴处于该脱离状态时,该棘爪可接合该平坦部分。
在另一方面,该回缩组件还可包括弹簧,该弹簧用于将该棘爪偏压朝向该齿条的齿。
在又一方面,该棘爪可绕该轮上的枢轴枢转。该枢轴可径向偏离该轮的中心。
在又另一方面,该手柄组件还可包括电动马达,该电动马达操作地联接到该齿条以引起该齿条的轴向位移。
在又另一方面,该手柄组件可包括限定窗口的外壳。可通过该窗口触及设置在该外壳内的该回缩组件的该杠杆手柄。
根据本公开的另一方面,一种外科缝合装置包括工具组件和手柄组件。该工具组件包括第一钳口构件和第二钳口构件,该第二钳口构件能够相对于该第一钳口构件在打开构型和闭合构型之间转变。该手柄组件包括支撑框架、以能够滑动的方式设置在该支撑框架上的齿条和回缩组件。该齿条包括具有沿该齿条的长度延伸的相应齿的侧向侧。该齿条操作地联接到该工具组件。该回缩组件包括杠杆和一对棘爪。该杠杆包括细长部分和从该细长部分侧向向外延伸的侧向翼。该对棘爪被选择性地定位成接合该齿条的侧向侧上的齿。该杠杆能够在脱离状态和接合状态之间转变,在该脱离状态下,该对棘爪与该齿条的齿脱离,在该接合状态下,该对棘爪与该齿条的齿接合,使得该杠杆的该侧向位移导致该齿条的回缩。
在一方面,该杠杆的该细长部分可具有远侧部分。这些侧向翼可从该细长部分的该远侧部分侧向向外延伸。
在另一方面,该杠杆的每个侧向翼可包括栓柱,该栓柱被构造成以能够枢转的方式支撑该对棘爪中的对应的棘爪。
在又一方面,该对棘爪中的每个棘爪可包括管状构件,该管状构件被构造成容纳该杠杆的该侧向翼的对应的栓柱。
在又另一方面,该齿条的侧向侧可包括沿该齿条的长度延伸的相应平坦部分,使得当该杠杆处于该脱离状态时,该对棘爪接合该齿条的平坦部分。
在又另一方面,该回缩组件还可包括弹簧,该弹簧被构造成将该对棘爪偏压朝向该齿条的侧向侧。
在又另一方面,该手柄组件还可包括操作地联接到该齿条的电动马达。
在一方面,该手柄组件还可包括为该电动马达供电的电池。
在另一方面,该手柄组件的该支撑框架包括挂钩,该挂钩具有以能够枢转的方式与该杠杆联接的凸台。
附图说明
当结合附图考虑以下详细描述时,本公开的以上和其他方面和特征将变得更加明显,其中相同的附图标记表示类似或相同的元件。
图1是根据本公开的外科缝合装置的透视图;
图2是去除了外壳半部的图1的外科缝合装置的手柄组件的部分透视图;
图3是图2的所指示细节区域的放大视图;
图4是图1的外科缝合装置的手动回缩组件的分解透视图;
图5是图3的手动回缩组件的沿图3的截面线5-5截取的横截面视图;
图6是图5的手动回缩组件的横截面视图,其示出了接合状态的手动回缩组件的轴;
图7和图8是图6的手动回缩组件的部分透视图,其示出了手动回缩组件的用途;
图9是根据本公开的另一方面的用于与图1的外科缝合装置一起使用的手柄组件的透视图;
图10是去除了外壳半部的图9的手柄组件的部分透视图;
图11是图10的所指示细节区域的放大透视图;
图12是图9所示的手柄组件的手动回缩组件的分解透视图;
图13是沿图11的截面线13-13截取的侧横截面视图;
图14和图15是图12的手动回缩组件的支撑框架的挂钩的侧视横截面图,其示出了挂钩的用途;并且
图16和图17是图10的手动回缩组件的顶视图,其示出了手动回缩组件的用途。
具体实施方式
参考附图详细地描述本文公开的包括手动回缩组件的外科缝合装置,其中在若干视图中的每个视图中,相似附图标记指定相同或相对应元件。如本文所用,术语“远侧”是指在外科缝合装置的常规使用中所描述的装置的较远离使用者的部分,而术语“近侧”是指在外科缝合装置的常规使用中所描述的装置的较靠近使用者的部分。另外,术语平行和垂直应当被理解为包括与真正的平行和真正的垂直相差至多约+10度或-10度的基本上平行和基本上垂直的相对构型。此外,在一致的程度上,本文详述的方面中的任何或所有方面可以与本文详述的其他方面中的任何或所有方面结合使用。
参照图1和图2,提供了一种用于缝合组织的外科缝合装置200。外科缝合装置200通常包括手柄组件202和从手柄组件202向远侧延伸的细长管状构件205。重载件106以能够拆卸的方式联接到细长管状构件205的远侧端105,并且包括轴部109和支撑在轴部109上的工具组件107。工具组件107包括第一钳口构件108和第二钳口构件110,该第二钳口构件可相对于第一钳口构件108在打开构型和闭合构型之间移动,打开构型用于将组织定位在第一钳口构件108和第二钳口构件110之间,闭合构型用于将组织夹紧在第一钳口构件108和第二钳口构件110并且随后缝合组织。第一钳口构件108支撑砧座111,并且第二钳口构件110以可释放的方式支撑缝钉仓112。可以设想,缝钉仓112可以是可拆卸和可更换的。还可以设想重载件106可以是机器人外科系统的一部分。
外科缝合装置200的手柄组件202包括外壳204、固定把手222和旋转旋钮组件234。手柄组件202的固定把手222上的按钮26a、26b允许致动工具组件107。当按压按钮26a时,致动轴(未示出)前进以使工具组件107从打开构型转变到闭合构型并且随后致动外科缝合装置200以将缝钉线施加到组织。特别地,当按压按钮26a时,固定把手222中的电动马达300被启动以将电动马达300的旋转输出传给齿轮,诸如例如锥齿轮170(图5),该锥齿轮操作地接合小齿轮,该小齿轮操作地接合齿条330的齿332以引起齿条330的轴向位移。齿条330操作地联接到致动轴,以将轴向位移传给致动轴,从而执行工具组件107的功能。特别地,齿条330以能够滑动的方式支撑在支撑框架400上。在一方面,手柄组件202可包括电池310,以向电动马达300供电。当按压按钮26b时,外科缝合装置200的击发机构回缩,并且工具组件107从闭合构型转变到打开构型。
为了将工具组件107相对于待缝合的组织正确地定向,外科缝合装置200另外设置有安装在手柄组件202上的旋转旋钮组件234。旋转旋钮组件234绕外科缝合装置200的纵向轴线“A-A”的旋转使工具组件107绕纵向轴线“A-A”旋转。外科缝合装置200被示出为电动缝合装置,包括可支持一个或多个电池的电动手柄组件202。电动外科缝合装置的示例可见于美国专利第9,055,943号和第9,023,014号中。另外,对于外科缝合装置200的构造和操作的详细讨论,可参考美国专利第9,717,498号,所述专利的全部内容以引用方式并入本文。
图2和图3示出了包括根据本公开的包括手动回缩组件500的手柄组件202。手动回缩组件500用作动力回缩机构的替代、自动防故障机构。如图3和图4最佳所示,手动回缩组件500包括轴502、杠杆520、弹簧540、棘爪550和定位在齿条330上的回缩齿560。轴502横向延伸穿过以能够滑动的方式支撑齿条330的支撑框架400。轴502的相对端部502a(仅示出一个)以能够滑动的方式支撑在手柄组件202的外壳上。特别地,手柄组件202的外壳204包括凸台206(仅示出一个),这些凸台彼此侧向相对并且从外壳204向内延伸。每个凸台206限定孔,以以能够滑动的方式容纳轴502。轴502的相对端部502a中的一个端部502a具有止动器504(图4),该止动器被构造成接合凸台206中的内圆形凹槽207a或外圆形凹槽207b(图5)。止动器504在外圆形凹槽207a或内圆形凹槽207b中的放置对应于轴502的脱离状态或接合状态,如下所述。
杠杆520包括轮522和从轮522切向延伸的杠杆手柄526。轮522同心地限定孔524。孔524容纳穿过其中的轴502。轮522固定到轴502,以可作为单一构造体与其一起移动。轮522包括径向偏离轮522的中心的凸台528。凸台528穿过棘爪550的孔552被容纳。弹簧540被设置成将棘爪550偏压远离杠杆520并偏压朝向齿条330的回缩齿560。齿条330在齿条330的第一侧330a上具有回缩齿560,并且在齿条330的第二侧330b上具有用于与动力回缩机构一起使用的齿332。回缩齿560沿齿条330的长度布置。此外,齿条330的第一侧330a还包括平坦部分331,该平坦部分邻近回缩齿560沿齿条330的长度延伸。在这种构型下,手动回缩组件500的轴502可在脱离状态和接合状态之间侧向移动,在脱离状态下,在使用动力回缩机构期间,棘爪550与齿条330的平坦部分331对准,在接合状态下,棘爪550与齿条330的回缩齿560对准,用于齿条330的手动回缩,如下所述。
图5和图6示出了手动回缩组件500的轴502,该轴可在脱离状态(图5)和接合状态(图6)之间侧向移动。如图5所示,当轴502处于脱离状态时,轴502的止动器504容纳在手柄组件202的外壳204的凸台206的外圆形凹槽207a中。此时,棘爪550与齿条330的平坦部分331对准,使得手动回缩组件500不干涉马达300对齿条330的轴向位移(图2)。如图6所示,临床医生可通过在箭头“A”的方向上移动轴502来将轴502转变到接合状态,使得轴502的止动器504容纳在外壳204的凸台206的内圆形凹槽207b中。轴502向接合状态的移动使杠杆520在箭头“E”的方向上移动,使得支撑在杠杆520上的棘爪550与齿条330的回缩齿560对准。
图7和图8示出了在轴502转变到接合状态之后通过使用杠杆520进行的齿条330的回缩。在使用中,为了触及杠杆520,临床医生去除手柄组件202的盖209(图1)。杠杆520的杠杆手柄526可搁置在支撑框架400的表面上或者可基本上平行于外科缝合装置200的纵向轴线“A-A”(图1)。临床医生可在图7中的箭头“C”的方向上旋转杠杆手柄526,这继而导致棘爪550在图8中的箭头“P”的方向上移动齿条330,从而回缩齿条330。棘齿560是成角度的,例如相对于纵向轴线“A-A”限定锐角,以使得当旋转杠杆手柄526时,齿条330能够在单一方向上(在箭头“P”的方向上)轴向位移。例如,在这种构型下,杠杆手柄526可在与箭头“C”相反的方向上移动,同时齿条330保持固定。杠杆手柄526可在与箭头“C”相反的方向上移动以复位棘爪550,用于齿条330的额外的轴向位移。
图9示出了根据本公开的另一方面的手柄组件1202。将不描述手柄组件1202的与手柄组件202(图1)的部件基本上类似的部件,以避免在不必要的细节上模糊本公开。手柄组件1202包括手动回缩组件1500(图10)。手柄组件1202的外壳1204的近侧部分1204a限定窗口1206,手动回缩组件1500的杠杆1520的近侧端部1520a延伸穿过该窗口。手柄组件1202的外壳1204还包括电池盖315,可去除该电池盖,以便在将电池310从外壳1204去除之后可触及杠杆1520,如下所述。
图10和图11示出了手动回缩组件1500,该手动回缩组件包括定位在齿条1330上的杠杆1520、弹簧1540、棘爪1550和回缩齿1560。齿条1330以能够滑动的方式支撑在支撑框架1400上。齿条1330经由锥齿轮1170(图16)和小齿轮操作地联接到马达300,以将马达300的旋转输出转换成齿条1330的轴向位移。手动回缩组件1550在失去动力或发生故障的情况下用作动力回缩机构的替代、自动防故障机构。如图12所示,支撑框架1400包括具有挂钩1402的近侧部分1400a。挂钩1402具有与由手柄组件1202限定的纵向轴线“L-L”(图10)基本上正交的凸台1404。特别地,凸台1404具有沿凸台1404的长度间隔开的止动器1406a、1406b。止动器1406a、1406b用于将杠杆1520支撑在沿凸台1404的长度的位置处,如下所述。
图12还示出了杠杆1520,该杠杆包括细长部分1522和从细长部分1522的远侧部分1522b侧向向外延伸的侧向翼1524。每个侧向翼1524具有栓柱1526,该栓柱被构造成容纳对应的棘爪1552、1554。细长部分1522的远侧部分1522b限定孔1528,该孔被构造成容纳支撑框架1400的凸台1404。此外,限定孔1528的内壁可限定周向凹槽(未示出)以容纳止动器1406a、1406b,以便于将杠杆1520放置在凸台1404上。杠杆1520的近侧部分1520a向近侧延伸穿过手柄组件1202的窗口1204(图10)。在这种构型下,杠杆1520可绕支撑框架1400的凸台1404相对于齿条1330侧向移动。齿条1330处于与杠杆1520重叠的关系。棘爪1552、155包括相应管状构件1552a、1554a和相应指状件1552b、1554b。管状构件1552a、1554a容纳杠杆1520的对应栓柱1526,使得棘爪1552、1554可绕相应管状构件1552a、1554a枢转。
弹簧1540支撑在齿条1330上并且联接到棘爪1552、1554,以将棘爪1552、1554朝向彼此偏压并偏压向齿条1330。齿条1330具有侧向侧1336、1338,这些侧向侧沿其长度具有相应回缩齿1560,并且还包括沿其长度延伸的相应平坦部分1331。在这种构型下,杠杆1520可选择性地在脱离状态和接合状态之间转变,在脱离状态下,棘爪1552、1554接合齿条1330的相应平坦部分1331,在接合状态下,棘爪1552、1554接合齿条1330的相应回缩齿1560。回缩齿1560是成角度的(例如,相对于由齿条1330限定的轴线限定锐角),以使得当杠杆手柄526移动时,齿条330能够在单个方向上轴向位移。
在使用中,将电池盖315(图9)和电池310从外壳1204去除以产生开口1207,从而触及杠杆1520,如图13所示。临床医生在箭头“U”的方向上移动杠杆1520,使得杠杆1520接合挂钩1402的凸台1404上的止动器1406a(图12),如图14和图15所示。以这种方式,棘爪1552、1554从棘爪1552、1554接合齿条1330的相应平坦部分1331(图11)的脱离状态转变到棘爪1552、1554接合相应回缩齿1560的接合状态。此时,临床医生在箭头“F”的方向上(图16)绕挂钩1402的凸台1404(图12)枢转杠杆1520,使得棘爪1552、1554在箭头“M”的方向上移动齿条1330,如图16所示。然后,临床医生在箭头“S”的方向上(图17)绕挂钩1402的凸台1404枢转杠杆1520,使得棘爪1552、1554在箭头“M”的方向上进一步移动齿条1330,如图17所示。以这种方式,临床医生可手动回缩齿条1330。临床医生可根据需要重复杠杆1520的这种枢转,以实现期望的回缩量。
虽然在附图中示出了本公开,但是不意图将本公开限于此,因为预期本公开的范围与本领域将允许的范围一样宽并应当以同样方式阅读本说明书。因此,以上描述不应当被解释为限制性的,而是仅作为范例。本领域的技术人员能够设想在本文所附权利要求书的范围和实质内的其他修改。
Claims (20)
1.一种外科缝合装置,包括:
工具组件,所述工具组件包括第一钳口构件和第二钳口构件,所述第二钳口构件能够相对于所述第一钳口构件在打开构型和闭合构型之间转变;和
手柄组件,所述手柄组件包括:
齿条,所述齿条操作地联接到所述工具组件并且以能够滑动的方式在所述手柄组件中,所述齿条包括沿所述齿条的长度延伸的齿;和
回缩组件,所述回缩组件包括:
轴;
杠杆,所述杠杆包括轮和从所述轮延伸的杠杆手柄,所述杠杆固定到所述轴以随所述轴旋转;和
棘爪,所述棘爪以能够枢转的方式固定到所述轮,其中所述轴能够在脱离状态和接合状态之间转变,在所述脱离状态下,所述棘爪与所述齿条的所述齿脱离,在所述接合状态下,所述棘爪接合所述齿条的所述齿,使得当所述杠杆手柄绕所述轴旋转时,所述齿条回缩。
2.根据权利要求1所述的外科缝合装置,其中所述回缩组件的所述轴正交于所述齿条设置。
3.根据权利要求1所述的外科缝合装置,其中所述轴能够在所述脱离状态和所述接合状态之间侧向滑动。
4.根据权利要求1所述的外科缝合装置,其中所述杠杆的所述杠杆手柄从所述轮切向延伸。
5.根据权利要求1所述的外科缝合装置,其中所述轴具有将所述轴固定到所述手柄组件的止动器。
6.根据权利要求5所述的外科缝合装置,其中所述手柄组件限定第一圆形凹槽和第二圆形凹槽以容纳所述轴的所述止动器,使得当所述止动器容纳在所述手柄组件的所述第一圆形凹槽中时,所述轴处于所述脱离状态,并且当所述止动器容纳在所述手柄组件的所述第二圆形凹槽中时,所述轴处于所述接合状态。
7.根据权利要求1所述的外科缝合装置,其中所述齿条包括沿所述齿条的所述长度延伸的平坦部分,当所述轴处于所述脱离状态时,所述棘爪接合所述平坦部分。
8.根据权利要求1所述的外科缝合装置,其中所述回缩组件还包括弹簧,所述弹簧用于将所述棘爪偏压朝向所述齿条的所述齿。
9.根据权利要求1所述的外科缝合装置,其中所述棘爪能够绕所述轮上的枢轴枢转,所述枢轴径向偏离所述轮的中心。
10.根据权利要求1所述的外科缝合装置,其中所述手柄组件还包括电动马达,所述电动马达操作地联接到所述齿条以引起所述齿条的轴向位移。
11.根据权利要求1所述的外科缝合装置,其中所述手柄组件包括外壳,所述外壳限定窗口,能够通过所述窗口触及设置在所述外壳内的所述回缩组件的所述杠杆手柄。
12.一种外科缝合装置,包括:
工具组件,所述工具组件包括第一钳口构件和第二钳口构件,所述第二钳口构件能够相对于所述第一钳口构件在打开构型和闭合构型之间转变;和
手柄组件,所述手柄组件包括:
支撑框架;
齿条,所述齿条以能够滑动的方式设置在所述支撑框架上,所述齿条包括具有沿所述齿条的长度延伸的相应齿的侧向侧,所述齿条操作地联接到所述工具组件;和
回缩组件,所述回缩组件包括:
杠杆,所述杠杆包括细长部分和从所述细长部分侧向向外延伸的侧向翼;和
一对棘爪,所述棘爪被选择性地定位成接合所述齿条的所述侧向侧上的所述齿,其中所述杠杆能够在脱离状态和接合状态之间转变,在所述脱离状态下,所述一对棘爪与所述齿条的所述齿脱离,在所述接合状态下,所述一对棘爪与所述齿条的所述齿接合,使得所述杠杆的侧向位移导致所述齿条的回缩。
13.根据权利要求12所述的外科缝合装置,其中所述杠杆的所述细长部分具有远侧部分,所述侧向翼从所述细长部分的所述远侧部分侧向向外延伸。
14.根据权利要求12所述的外科缝合装置,其中所述杠杆的每个侧向翼包括栓柱,所述栓柱被构造成以能够枢转的方式支撑所述一对棘爪中的对应的棘爪。
15.根据权利要求14所述的外科缝合装置,其中所述一对棘爪中的每个棘爪包括管状构件,所述管状构件被构造成容纳所述杠杆的所述侧向翼的对应的栓柱。
16.根据权利要求12所述的外科缝合装置,其中所述齿条的所述侧向侧包括沿所述齿条的长度延伸的相应平坦部分,使得当所述杠杆处于所述脱离状态时,所述一对棘爪接合所述齿条的所述平坦部分。
17.根据权利要求12所述的外科缝合装置,其中所述回缩组件还包括弹簧,所述弹簧被构造成将所述一对棘爪偏压朝向所述齿条的所述侧向侧。
18.根据权利要求12所述的外科缝合装置,其中所述手柄组件还包括电动马达,所述电动马达操作地联接到所述齿条。
19.根据权利要求18所述的外科缝合装置,其中所述手柄组件还包括电池,所述电池为所述电动马达供电。
20.根据权利要求12所述的外科缝合装置,其中所述手柄组件的所述支撑框架包括挂钩,所述挂钩具有以能够枢转的方式与所述杠杆联接的凸台。
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WO2023021405A1 (en) | 2023-02-23 |
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