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CN105636524B - 具有闭锁机构的手术器械 - Google Patents

具有闭锁机构的手术器械 Download PDF

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CN105636524B
CN105636524B CN201380077491.3A CN201380077491A CN105636524B CN 105636524 B CN105636524 B CN 105636524B CN 201380077491 A CN201380077491 A CN 201380077491A CN 105636524 B CN105636524 B CN 105636524B
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CN105636524A (zh
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石绍辉
杨谦宏
许瑟安
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Covidien LP
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/115Staplers for performing anastomosis in a single operation
    • A61B17/1155Circular staplers comprising a plurality of staples
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00367Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00526Methods of manufacturing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/08Accessories or related features not otherwise provided for
    • A61B2090/0807Indication means
    • A61B2090/0811Indication means for the position of a particular part of an instrument with respect to the rest of the instrument, e.g. position of the anvil of a stapling instrument

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  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

公开了一种手术器械,包括:手柄组件、细长部、头部、接近机构以及闭锁机构。所述手柄组件包括活动手柄和固定手柄。所述细长部从所述手柄组件向远侧延伸并且限定纵轴线。所述头部被布置为邻近所述细长部的远侧部并且包括第一钳夹构件和第二钳夹构件。所述接近机构包括被布置为与所述第一钳夹构件机械协作的驱动构件并且被配置为相对于所述第二钳夹构件纵向移动所述第一钳夹构件。所述闭锁机构被配置为选择性地允许所述活动手柄的致动,以从所述第二钳夹构件射出紧固件。所述闭锁机构包括从所述活动手柄延伸的销,并且所述销与所述驱动构件中的槽滑动地接合。

Description

具有闭锁机构的手术器械
技术领域
本公开一般地涉及一种用于将手术紧固件施加到身体组织的手术紧固器械。更具体而言,本公开涉及一种闭锁而防止发射紧固件直到钉仓组件和砧座组件充分接近的手术紧固器械。
背景技术
吻合术是对分离的中空器官部分的手术连结。典型地,吻合术操作跟在移除中空组织的患病部分或者缺陷部分的手术之后进行,并且要对其余的末端部分进行连结。取决于所期望的吻合术操作,末端部分可以通过环形的端对端或者环形的侧对侧的器官重构方法中的任一种来连结。
在环形吻合手术中,借助于吻合器械将器官部分的两个端部连结,其中吻合器械驱动吻合钉或紧固件环形阵列穿过每个器官部分的末端部分并且同时去除所驱动的吻合钉环形阵列内的任何组织以使得管状通道畅通。在例如专利号为7,303,106、6,053,390、5,588,579、5,119,983、5,005,749、4,646,745、4,576,167以及4,473,077的美国专利中描述了用于执行中空的器官的环形吻合术的器械的示例,各个专利的全部内容通过引用合并于此。典型地,这些器械包括:细长轴,在近侧端处具有手柄部以致动器械;以及吻合钉保持部件,被布置在远侧端处。包括砧座杆和附接的砧座头的砧座组件安装到器械的邻近吻合钉保持部件的远侧端上。随着砧座头和吻合钉保持部件接近,将待吻合的中空器官组织的相对的末端部分夹持在砧座头和吻合钉保持部件之间。被夹持的组织是通过扳机的致动以从吻合钉保持部件驱动一个或多个吻合钉而使得吻合钉的端部穿过组织并且被砧座头变形来吻合的。同时推进环形刀具以对在中空的器官内的组织取芯使得在器官内的管状通道通畅。
除了中空的器官的吻合以外,用于执行环形吻合术的手术吻合器械已经用于治疗直肠中的内痔。典型地,在用于痔疮治疗的环形吻合器械的使用期间,手术吻合器械的砧座头和吻合钉保持部件在砧座头和吻合钉保持部件处于打开或者非接近位置的情况下被插入通过肛门并且进入直肠。此后,荷包式缝线(pursestring suture)用于朝向砧座杆拉动内痔组织。接着,砧座头和吻合钉保持部件接近以在砧座头和吻合钉保持部件之间夹持痔疮组织。发射吻合器械以去除痔疮组织并且吻合被切割的组织。在吻合消痔手术中,由吻合器械去除在痔疮顶部的粘膜和粘膜下层带,由此通过抑制血液流向组织来治疗痔疮。
在一些情形下,希望防止吻合钉的过早发射。因此,期望有一种包括防止活动手柄在砧座组件和钉仓组件充分接近之前被致动的闭锁机构的手术器械。
发明内容
本公开涉及一种手术器械,其包括手柄组件、细长部、头部、接近机构以及闭锁机构。所述手柄组件包括活动手柄和固定手柄。所述细长部从所述手柄组件向远侧延伸并且限定纵轴线。所述头部被布置为邻近所述细长部的远侧部并且包括第一钳夹构件和第二钳夹构件。所述接近机构包括被布置为与所述第一钳夹构件机械协作的驱动构件并且所述接近机构被配置为使所述第一钳夹构件关于所述第二钳夹构件纵向地运动。所述闭锁机构被配置为选择性地允许所述活动手柄的致动以从所述第二钳夹构件射出紧固件。所述闭锁机构包括从所述活动手柄延伸出的销,并且所述销与所述驱动构件中的槽滑动地接合。
在所公开的实施例中,所述接近机构的致动导致所述槽相对于所述销的纵向平移。
在所公开的实施例中,所述驱动构件中的所述槽包括止挡部和发射部。当所述销与所述槽的所述止挡部接合时,防止所述活动手柄被致动,并且当所述销被布置于所述槽的所述止挡部与所述发射部之间时,所述活动手柄能够被致动。此处公开了当所述第一钳夹构件与所述第二钳夹构件处于接近位置时,所述销接合在所述槽的所述止挡部与所述发射部之间。此处公开了在所述活动手柄致动期间,所述销与所述槽的所述发射部接合。进一步公开了所述槽的所述发射部被布置为向远侧邻近所述槽的所述止挡部。进一步公开了所述槽的所述止挡部基本上与纵轴线平行,并且其中所述槽的所述发射部被布置为相对于所述槽的所述止挡部成一角度。进一步公开了所述槽的所述发射部是弓形的。
在所公开的实施例中,所述手术器械还包括被布置为邻近所述驱动构件的近侧部的接近旋钮,以及与所述接近旋钮的一部分螺纹接合的止动器。所述止动器的止挡部被配置为接触所述驱动构件的近侧面。
在所公开的实施例中,所述手柄组件与所述细长部螺纹接合。
本公开还涉及一种调整在手术器械的钉仓组件与砧座组件之间的最小组织间隙的方法。所述方法包括提供一种手术器械,所述手术器械包括:手柄组件、从所述手柄组件向远侧延伸并且限定纵轴线的细长部、被布置为邻近所述细长部的远侧部并且包括钉仓组件和砧座组件的头部。所述钉仓组件的组织接触面与所述砧座组件的组织接触面在它们之间限定组织间隙。所述方法还包括:相对于所述细长部旋转所述手柄组件,使得所述钉仓组件沿着所述纵轴线相对于所述手柄组件运动;以及将所述手柄组件固定到所述细长部上,以防止在它们之间的将来的运动。
在所公开的实施例中,所述细长部螺纹接合所述手柄组件。
在所公开的实施例中,所述手术器械还包括被布置为与所述砧座组件机械协作的接近旋钮。此处,所述方法还包括旋转所述接近旋钮以导致所述砧座组件相对于所述钉仓组件的纵向运动。此处,公开了所述手术器械还包括被布置为与所述接近旋钮机械协作并且与所述砧座组件机械协作的驱动构件,使得所述接近旋钮的旋转导致所述驱动构件的纵向平移和所述砧座组件的纵向平移。此处,公开了所述手术器械还包括与所述接近旋钮的部分螺纹接合的止动器。进一步公开了所述方法包括相对于所述接近旋钮旋转所述止动器直到所述止动器的止挡部接触所述驱动构件的近侧面。进一步公开了所述方法包括将所述止动器固定到所述接近旋钮以防止在它们之间的将来的运动。
附图说明
这里参照附图对本公开的手术吻合器械的各种实施例进行公开,附图中:
图1和图2是根据本公开的实施例的图示处于接近位置的本公开的手术吻合器械的立体图;
图3是图1和图2的手术器械的侧视图;
图4是在手术器械发射之后,图1至图3的手术器械的俯视图;
图5是图4中所指示的区域的放大视图;
图6是其上包括装运楔(shipping wedge)的本公开的手术器械的远侧端的立体图
图7是图6的装运楔的立体图;
图8是去除各种零件的本公开的手术器械的一部分的立体图;
图9是本公开的手术器械的装配立体图;
图10是本公开的手术器械的细长部的零件的装配立体图;
图11是本公开的手术器械的壳组件的装配立体图;
图12是本公开的手术器械的驱动组件的装配立体图;
图13是本公开的手术器械的枢轴件的装配立体图;
图14是本公开的手术器械的手柄组件的一部分的装配立体图;
图15是本公开的手术器械的接近机构的装配立体图;
图16是本公开的手术器械的砧座组件的装配立体图;
图17是本公开的手术器械的活动手柄的装配立体图;
图18是去除各种零件的本公开的手术器械的装配立体图,并且图示出处于闭锁位置的发射组件;
图19是图18中所指示的区域的放大视图;
图20是沿图18中的20-20线所取的本公开的手术器械的剖视图;
图21是图20中所指示的区域的放大视图;
图22是沿图4中的22-22线所取的本公开的手术器械的剖视图;
图23是沿图22中的23-23线所取的本公开的手术器械的剖视图;
图24是图22中所指示的区域的放大视图;
图25是图22中所指示的区域的放大视图;
图26是去除各种零件的本公开的手术器械的装配立体图,并且图示出处于允许发射位置的发射组件;
图27是图26中所图示的手术器械的一部分的放大视图;
图28是沿图22中的28-28线所取的从近侧看的横截面图;
图29是沿图22中的29-29线所取的横截面图;
图30是沿图22中的30-30线所取的从近侧看的横截面图;
图31是图示出处于允许发射位置的安全闩锁的图22中所指示的区域的放大视图;
图32图示出处于闭锁位置的图31的安全闩锁;
图33是去除各种零件的本公开的手术器械的立体图,并且图示出处于允许发射位置的发射组件;
图34是图33中所指示的区域的放大视图;
图35是去除各种零件的本公开的手术器械的部分的侧视图,并且图示出处于允许发射位置的发射组件;以及
图36是去除各种零件的本公开的手术器械的部分的侧视图,并且图示出处于致动位置的发射组件。
具体实施方式
现在参照附图详细描述本公开的手术器械的实施例,附图中类似的附图标记在多个视图的每个视图中表示相同或者相应的元件。在本说明书的通篇中,术语“近侧”将指较靠近操作者的器械的部分,并且术语“远侧”将指较远离操作者的器械的部分。
图1至图36图示出一般地示为100的本公开的手术器械的实施例。简单地说,手术器械100包括手柄组件200、限定纵轴线X-X的细长主体部300、头部400以及闭锁机构500。可以改变细长主体部300和头部400的长度、形状、曲率和/或直径以适应特定的外科手术操作。
特别参照图1至图4,手柄组件200包括固定手柄210、活动手柄220以及接近机构250。头部400包括第一钳夹构件(即,砧座组件410)和第二钳夹构件(即,壳组件420)。砧座组件410能够关于壳组件420在隔开位置(例如,图18和图20)与接近位置(例如,图1、图2和图22)之间运动。
参照图9、图12、图15和图18,公开了接近机构250的进一步的细节。接近机构250包括接近旋钮252和驱动构件或者驱动螺杆260。接近旋钮252与驱动螺杆260机械接合,并且驱动螺杆260的远侧部262被配置为机械接合砧座固定器412(图16)。驱动螺杆260的近侧部包括螺旋通道262并且可滑动地定位在可旋转套管254的中央镗孔253内(图15),可旋转套管254从接近旋钮252向远侧延伸。销256贯穿在套管254的远侧部中的孔255而进入螺旋通道262。套管254相对于固定手柄210轴向地固定。于是,接近旋钮252的旋转导致套管254的旋转,这样导致销256沿驱动螺杆260的通道262运动以实现驱动螺杆260的轴向运动,以及因此导致砧座固定器412和砧座组件410的对应的轴向运动。也就是说,接近旋钮252的旋转导致砧座组件410在隔开位置与接近位置之间关于壳组件420的运动。更具体地说,接近旋钮252在第一方向(例如,顺时针方向)上的旋转使砧座固定器412缩回以导致砧座组件410的近侧运动(即,朝向壳组件420)。接近旋钮252在相反的第二方向(例如,逆时针方向)上的旋转将砧座固定器412向远侧推进以导致砧座组件410的远侧运动(即,远离壳组件420)。也可以构思其他接近机构。在专利号为7,303,106的美国专利中描述了接近机构的进一步细节,其全部内容通过引用合并于此。
现在参照图35和图36,活动手柄220的从其允许发射位置(图35)到其致动或者发射位置(图36)的致动(即,在图36中的“A”箭头方向上枢转)导致从壳组件420朝向砧座组件410射出紧固件或者吻合钉450(图11)。也就是说,活动手柄220被布置为与推动器600机械协作,使得活动手柄220的致动导致推动器600的远侧推进而与吻合钉450直接地或者间接地接触,这导致朝向砧座组件410的吻合钉变形凹处411(图16)射出吻合钉450。更具体地说,偏置元件610向近侧推动推动器600而使其与活动手柄220的凸轮表面(cammingsurface)222接触。偏置元件610的远侧部与从手柄组件200的内壁204沿径向朝内延伸的壁202相接触(图22),于是使得偏置元件610能够向近侧偏置推动器600。当致动活动手柄220时,即,围绕枢轴件223枢转时,活动手柄220的凸轮表面222向远侧运动,使得推动器600的近侧部进行凸轮运动,这样导致推动器600的远侧平移以及吻合钉450的射出。专利号为7,303,106的美国专利中描述了活动手柄的致动导致吻合钉的射出的进一步细节,其全部内容通过引用合并于此。
现在参照图12、图18、图19、图26、图27以及图33至图36,示出了手术器械100的闭锁机构500。闭锁机构500被配置为防止从壳组件420过早射出吻合钉。另外,闭锁机构500防止活动手柄220的致动直到砧座组件410相对于壳组件420已经运动到其接近位置。闭锁机构500包括在驱动螺杆260中的槽270以及从活动手柄220的一部分延伸出并且接合槽270的销280。特别参照图12,槽270包括第一、止挡部272和第二、发射部276。
特别参照图19,在砧座组件410充分接近之前,活动手柄的销280在槽270的止挡部272内。在此位置上,防止使用者在箭头“A”方向上致动活动手柄220,因为尝试这么做将导致销280在箭头“B”方向上运动(图19)。如图所示,因为销280将受力抵住槽270的止挡部272的下壁273,所以销280不能够在箭头“B”的方向上运动,于是防止活动手柄220的致动。
现在参照图27,在砧座组件410充分接近之后,活动手柄220的销280邻近槽270的发射部276。也就是说,驱动螺杆260已经经由接近旋钮252的旋转向远侧推进而使得驱动螺杆260的槽270的发射部276邻近活动手柄220的销280。在此位置上,由使用者致动活动手柄220导致活动手柄220的握持部224在箭头“A”方向上运动并且导致活动手柄220的销280在箭头“B”方向上运动进入槽270的发射部276。如上所述,当活动手柄220的销280运动进入槽270的发射部276时,活动手柄220的凸轮表面222向远侧运动,使得推动器600的近侧部进行凸轮运动,这导致推动器600向远侧平移并且吻合钉450射出。
此外,当活动手柄220的销280在槽270的发射部276内时,物理地防止驱动螺杆260的纵向运动。也就是说,由于在销280与驱动螺杆260的槽270的发射部276之间的接合将防止驱动螺杆260的纵向运动,所以在此位置上,将防止使用者旋转接近旋钮252。更具体地说,销280与槽270的发射部276的远侧壁277之间的接合将防止驱动螺杆260以及因此防止砧座组件410向近侧平移(同样参见图35和图36)。销280与槽270的发射部276的近侧壁278之间的接合将防止驱动螺杆260以及因此防止砧座组件410向远侧平移。
在致动活动手柄220以实现发射并且使用者释放抵住活动手柄220的力之后,偏置元件610向近侧推动推动器600以及因此向近侧推动活动手柄220的凸轮表面222。销280同样地向近侧移出槽270的发射部276,于是使得驱动螺杆260能够纵向平移。
此外,槽270包括布置在槽270的最近侧端处的横向部279(图27)。可以预期的是,槽270的横向部279有助于手术器械100的装配。也就是说,在装配期间,活动手柄220的销280能够通过横向部279进入槽270。
在所图示的实施例中,并且特别参照图31和图32,手术器械包括被布置为与活动手柄220机械协作的安全闩锁650。安全闩锁650是手术器械100的另一个特征,其被配置为保持活动手柄220处于打开、非致动位置,直到已经使砧座组件410和壳组件420接近。当安全闩锁650处于如图32所示的止挡位置时(其中砧座组件410和壳组件420处于非接近(隔开)位置),不能够挤压或者致动活动手柄220。当安全闩锁650处于如图31所示的允许位置时(其中砧座组件410和壳组件420处于闭合位置),能够致动活动手柄220。可以预期的是,安全闩锁650被偏置到其止挡位置(图32),并且能够由使用者移进其允许位置(图31)。能够理解的是,安全闩锁650是可以被包括以有助于通过物理地阻挡活动手柄220的运动来防止过早发射吻合钉的附加特征。
如图8和图10所示,推动器600包括近侧延伸件620。近侧延伸件620的至少部分的外周接触手柄组件200的内壁204(参见图22和图31)。可以预期的是,推动器600的近侧延伸件620有助于平衡在手术器械100的发射期间作用于驱动螺杆260上的力。也就是说,在驱动螺杆260的纵向平移期间,在手柄组件200的内壁204与近侧延伸件620之间的摩擦有助于防止驱动螺杆260在发射期间扭曲或者扭转。
特别参照图5和图34,手术器械100包括指示器700。指示器700包括被布置为邻近驱动螺杆260的远侧部的第一标记710、被布置为邻近推动器600的近侧延伸件620的第二标记720以及手柄组件200上的窗口730。指示器700被配置为使得使用者能够判定吻合钉450是否已经从壳组件420发射。当通过窗口730看时,第一标记710与第二标记720纵向对准,此时使用者知道吻合钉450已经发射。在图34中,其中第一标记710与第二标记720彼此纵向移位,还未致动活动手柄220并且因此尚未发射吻合钉。在图5中,第一标记710与第二标记720纵向对准,并且因此指示手术器械100已经发射。
参照图21和图25,图示出止动器800。止动器800与接近旋钮252螺纹接合,并且止动器800被配置为确保驱动螺杆260相对于活动手柄220的销280的位置。在装配期间,以与邻近销280的槽270的发射位置276相对应的充分量来旋转接近旋钮252。一旦确定此位置,旋转止动器800(例如向远侧推进)直到止动器800的止挡部802与驱动螺杆260的近侧面261相接触(图25)。接着,在装配期间,在止动器800的螺纹804与接近旋钮252的螺纹257接合处使用例如焊接或者螺纹粘合剂以防止止动器800相对于接近旋钮252的将来的纵向运动。当止动器800在此位置并且有效地固定到接近旋钮252时,确保了驱动螺杆260相对于销280的适当定位(例如,其中的槽270的发射部276)。
现在参照图24,手术器械100包括组织间隙调整机构900。组织间隙调整机构900使得在装配手术器械100之后能够改变在砧座组件410的组织接触面与壳组件420的组织接触面之间的间隙“G”。部分地由于制造公差的积累,在已装配的手术器械中获得精确的或者准确的组织间隙“G”经常花费非常昂贵。在本公开中,能够不使用更严厉或者更严格的制造公差而获得精确的组织间隙“G”。
组织间隙调整机构900包括邻近手柄组件200的远侧部布置的第一螺纹部910,以及被布置为邻近细长主体部300的近侧部的第二螺纹部920。第一螺纹部910被配置为与第二螺纹部920螺纹接合。在至少局部装配手术器械100之后,通过推进或者缩回壳组件420,手柄组件200相对于细长主体部300旋转以增大或者减小组织间隙“G”的尺寸。也就是说,当手柄组件200在第一方向上相对于细长主体部300围绕纵轴线X-X旋转时,壳组件420相对于手柄组件200向近侧运动并且组织间隙“G”增大,而当手柄组件200在第二方向上相对于细长主体部300围绕纵轴线X-X旋转时,壳组件420相对于手柄组件200向远侧运动并且组织间隙“G”减小。一旦获得理想的组织间隙“G”,在第一螺纹部910与第二螺纹部920接合的地方使用例如焊接或者螺纹粘合剂以防止手柄组件200与细长主体部300之间的将来的纵向运动。如能够理解的,组织间隙调整机构900的位置(即,手柄组件200和细长主体部300会合的地方)不限于附图中所示的位置,而是能够布置在手术器械100上的任何合理的位置上。
图6和图7图示出装运楔950。装运楔950包括第一对齿952和第二对齿954。齿952被配置为滑动地接合在砧座组件410的远侧端上的孔隙414(图16)。齿954是沿径向向外挠性的并且被配置为可释放地接合壳组件420的外壁上的开口422(图11)。可以预期的是,在手术器械100的装运、储存等期间装运楔950将砧座组件410保持在相对于壳组件420的基本上固定的纵向位置上。
本公开还涉及一种此处所描述的手术器械100实施外科手术操作的方法、一种此处所描述的制造手术器械100的方法,一种此处所描述的装配手术器械100的方法,以及一种如此处所描述的调整组织间隙“G”的方法。
将理解的是,可以对此处公开的实施例做出各种修改。因此,上述描述不应被解释为限制,而仅仅是所公开的实施例的示例。本领域技术人员将想出在此处所附的权利要求的范围和精神之内的其他修改。

Claims (18)

1.一种手术器械,包括:
手柄组件,包括活动手柄和固定手柄;
细长部,从所述手柄组件向远侧延伸并且限定纵轴线;
头部,被布置为邻近所述细长部的远侧部,所述头部包括第一钳夹构件和第二钳夹构件;
接近机构,包括被布置为与所述第一钳夹构件机械协作的驱动构件,并且所述接近机构被配置为使所述第一钳夹构件关于所述第二钳夹构件纵向地运动;以及
闭锁机构,被配置为选择性地允许所述活动手柄的致动以从所述第二钳夹构件射出紧固件,所述闭锁机构包括从所述活动手柄延伸出的销,并且所述销与所述驱动构件中的槽滑动地接合。
2.根据权利要求1所述的手术器械,其中所述接近机构的致动导致所述槽相对于所述销的纵向平移。
3.根据权利要求1所述的手术器械,其中所述驱动构件中的所述槽包括止挡部和发射部,其中当所述销与所述槽的所述止挡部接合时,防止所述活动手柄被致动,并且其中当所述销被布置于所述槽的所述止挡部与所述发射部之间时,所述活动手柄能够被致动。
4.根据权利要求3所述的手术器械,其中当所述第一钳夹构件与所述第二钳夹构件处于接近位置时,所述销接合在所述槽的所述止挡部与所述发射部之间。
5.根据权利要求3所述的手术器械,其中在致动所述活动手柄期间,所述销与所述槽的所述发射部接合。
6.根据权利要求3所述的手术器械,其中所述槽的所述发射部被布置为在远侧邻近所述槽的所述止挡部。
7.根据权利要求3所述的手术器械,其中所述槽的所述止挡部基本上与纵轴线平行,并且其中所述槽的所述发射部被布置为相对于所述槽的所述止挡部成一角度。
8.根据权利要求3所述的手术器械,其中所述槽的所述发射部是弓形的。
9.根据权利要求1所述的手术器械,还包括被布置为邻近所述驱动构件的近侧部的接近旋钮,还包括与所述接近旋钮的一部分螺纹接合的止动器,并且其中所述止动器的止挡部被配置为接触所述驱动构件的近侧面。
10.根据权利要求1所述的手术器械,其中所述手柄组件与所述细长部螺纹接合。
11.一种调整在手术器械的钉仓组件与砧座组件之间的最小组织间隙的方法,所述方法包括:
提供手术器械,所述手术器械包括:包括活动手柄和固定手柄的手柄组件、从所述手柄组件向远侧延伸并且限定纵轴线的细长部、被布置为邻近所述细长部的远侧部并且包括钉仓组件和砧座组件的头部,其中所述钉仓组件的组织接触面与所述砧座组件的组织接触面在它们之间限定组织间隙;
相对于所述细长部旋转所述手柄组件,使得所述钉仓组件沿着所述纵轴线相对于所述手柄组件运动;以及
通过与被布置为与所述钉仓组件机械协作的驱动构件中的槽滑动地接合的从所述活动手柄延伸出的销将所述手柄组件固定到所述细长部上,以防止在它们之间的将来的运动。
12.根据权利要求11所述的方法,其中所述细长部螺纹接合所述手柄组件。
13.根据权利要求11所述的方法,其中所述手术器械还包括被布置为与所述砧座组件机械协作的接近旋钮。
14.根据权利要求13所述的方法,还包括旋转所述接近旋钮以导致所述砧座组件相对于所述钉仓组件的纵向运动。
15.根据权利要求13所述的方法,其中所述手术器械还包括被布置为与所述接近旋钮机械协作并且与所述钉仓组件机械协作的驱动构件,使得所述接近旋钮的旋转导致所述驱动构件的纵向平移和所述砧座组件的纵向平移。
16.根据权利要求15所述的方法,其中所述手术器械还包括与所述接近旋钮的部分螺纹接合的止动器。
17.根据权利要求16所述的方法,还包括相对于所述接近旋钮旋转所述止动器直到所述止动器的止挡部接触所述驱动构件的近侧面。
18.根据权利要求17所述的方法,还包括将所述止动器固定到所述接近旋钮以防止在它们之间的将来的运动。
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