CN117377435A - 具有齿条释放的动力缝合装置 - Google Patents

具有齿条释放的动力缝合装置 Download PDF

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CN117377435A
CN117377435A CN202280037509.6A CN202280037509A CN117377435A CN 117377435 A CN117377435 A CN 117377435A CN 202280037509 A CN202280037509 A CN 202280037509A CN 117377435 A CN117377435 A CN 117377435A
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gear
shaft
assembly
cavity
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D·M·乔瓦尼克
陈星睿
A·拜达
S·班纳吉
B·J·克雷斯顿
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
    • 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
    • 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
    • A61B2017/00407—Ratchet means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
    • A61B2017/00473—Distal part, e.g. tip or head
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B2017/07214—Stapler heads
    • A61B2017/07271—Stapler heads characterised by its cartridge
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A61B2017/2932—Transmission of forces to jaw members
    • A61B2017/2943—Toothed members, e.g. rack and pinion

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Abstract

一种动力手柄组件，包括马达组件、齿条、轴和小齿轮，该小齿轮将该马达组件联接到该齿条。该轴支撑该小齿轮并且能够移动，以将该小齿轮从与该齿条接合的第一位置移动到与该齿条脱离的第二位置，以便于手动缩回该齿条。

Description

具有齿条释放的动力缝合装置
技术领域
本公开涉及动力外科装置，并且更具体地涉及动力外科缝合装置。
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，并且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，以及驱动组件。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，其中临床医生致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驱动组件，在失去动力时或当装置不能操作时可以被手动地缩回。
发明内容
外科装置包括动力手柄组件，该动力手柄组件具有马达组件、齿条、轴和小齿轮，该小齿轮将马达组件联接到齿条。轴支撑小齿轮并且能够移动，以将小齿轮从与齿条接合的第一位置移动到与齿条脱离的第二位置，以便于手动缩回该齿条。
本公开的一方面涉及一种用于外科装置的动力手柄组件，该动力手柄组件包括壳体、齿轮罩、马达组件、齿条、轴和小齿轮。壳体限定腔。齿轮罩被支撑在壳体的腔内，并且限定腔和延伸穿过该腔的纵向通道。马达组件包括输出轴和固定到输出轴的驱动齿轮。马达组件固定到齿轮罩，并且驱动齿轮位于齿轮罩的腔内。齿条容纳在齿轮罩的纵向通道内，并且能够在缩回位置与前进位置之间移动穿过齿轮罩的腔。轴延伸穿过齿轮罩的腔并且能够在第一位置与第二位置之间轴向移动。小齿轮联接到轴，并且容纳在齿轮罩的腔内。小齿轮能够响应于轴在其第一位置与第二位置之间的移动而在齿轮罩的腔内从第一位置移动到第二位置，在第一位置，小齿轮与齿条接合，在第二位置，小齿轮与齿条脱离。
本公开的其他方面涉及包括动力手柄组件、适配器组件和工具组件的外科装置。动力手柄组件包括壳体、齿轮罩、马达组件、齿条、轴和小齿轮。壳体限定腔。齿轮罩被支撑在壳体的腔内，并且限定腔和延伸穿过齿轮罩的腔的纵向通道。马达组件包括输出轴和固定到输出轴的驱动齿轮。马达组件固定到齿轮罩，并且驱动齿轮位于齿轮罩的腔内。齿条容纳在齿轮罩的纵向通道内，并且能够在缩回位置与前进位置之间移动穿过齿轮罩的腔。轴延伸穿过齿轮罩的腔并且能够在第一位置与第二位置之间轴向移动。小齿轮联接到轴，并且容纳在齿轮罩的腔内。小齿轮能够响应于轴在其第一位置与第二位置之间的移动而在齿轮罩的腔内从第一位置移动到第二位置，在第一位置，小齿轮与齿条接合，在第二位置，小齿轮与齿条脱离。适配器组件包括击发杆并且具有近侧部分和远侧部分。适配器组件的近侧部分联接到手柄组件。击发杆联接到齿条并且能够响应于齿条在其缩回位置与前进位置之间的移动而在缩回位置与前进位置之间移动。工具组件被支撑在适配器组件的远侧部分上。
本公开的其他方面涉及一种用于外科装置的动力手柄组件，该动力手柄组件包括壳体、马达组件、齿条、轴和小齿轮。壳体限定腔。马达组件包括输出轴和固定到输出轴的驱动齿轮。齿条容纳在壳体的腔内，并且能够在缩回位置与前进位置之间移动。轴延伸穿过齿轮罩的腔并且能够在第一位置与第二位置之间轴向移动。小齿轮联接到轴，并且能够响应于轴在其第一位置与第二位置之间的移动而从第一位置移动到第二位置，在第一位置，小齿轮与齿条接合，在第二位置，小齿轮与齿条脱离。
在本公开的各方面中，轴能够旋转地紧固到齿轮罩。
在本公开的一些方面中，偏置构件位于齿轮罩的腔内，以将小齿轮推向其第一位置。
在本公开的某些方面中，驱动齿轮与小齿轮接合，使得驱动齿轮的旋转引起小齿轮的旋转。
在本公开的各方面中，马达组件包括具有马达轴的马达、万向接头、接头壳体和输出轴，并且万向接头将马达轴联接到输出轴。
在本公开的一些方面中，马达轴限定第一轴线，并且输出轴限定第二轴线，并且第一轴线与第二轴线限定锐角。
在本公开的某些方面中，马达组件的输出轴支撑第一锥齿轮，并且轴支撑与第一锥齿轮接合的第二锥齿轮，使得第一锥齿轮的旋转会引起第二锥齿轮的旋转。
在本公开的各方面中，第二锥齿轮固定地固定到轴，使得第二锥齿轮的旋转会引起轴和小齿轮的旋转。
在本公开的一些方面中，齿轮罩包括侧壁，并且侧壁中的每个侧壁支撑轴承。
在本公开的各方面中，轴能够旋转地支撑在齿轮罩上的轴承之间。
本公开的其他特征将从以下描述中予以了解。
附图说明
下面参考附图描述所公开的缝合装置的各个方面，其中：
图1是根据本公开的各方面的缝合装置的第一版本的侧面透视图，其中缝合装置处于未铰接、松开的位置；
图2是图1所示的缝合装置的手柄组件的侧面透视图，其中壳体半部被移除；
图3是图3所示的手柄组件的内部部件的分解侧面透视图；
图4是沿图2的剖面线4-4截取的横截面图；
图5是沿图4的剖面线5-5截取的横截面图；
图6是沿图5的剖面线6-6截取的横截面图；
图7是图1所示的缝合装置的马达组件的侧面透视图，其中接头壳体以虚线示出；
图8是图1所示的缝合装置的再加载组件处于夹紧和击发位置的侧面透视图；
图9是沿图8的剖面线9-9截取的横截面图；
图10是图1所示的手柄组件的横截面图，其中缝合装置处于夹紧和击发位置；
图11是图1所示的手柄组件的一部分的侧面透视图，此时缝合装置从夹紧和击发位置手动缩回；
图12是图1所示的缝合装置的手柄组件的另选版本，该手柄组件包括图11所示的具有旋转轴的另选版本的马达组件；
图13是图12所示的手柄组件的旋转轴的侧面透视图；
图13A是图12所示的手柄组件的透视图，其中手柄组件的壳体被移除并且小齿轮处于第一位置；
图13B是图12所示的手柄组件的透视图，其中壳体和齿轮罩被移除并且小齿轮处于第一位置；
图13C是沿图13A的截面线13C-13C截取的横截面视图，其中小齿轮处于第一位置；
图13D是沿图13A的截面线13C-13C截取的横截面图，其中小齿轮处于第二位置；
图14是图1所示的缝合装置的手柄组件的另选版本，其中以虚线示出了手柄组件的壳体；
图15是图14所示的手柄组件的内部部件的装配侧面透视图；
图16是图15所示的手柄组件的内部部件的分解侧面透视图；
图17是沿图15的剖面线17-17截取的横截面图；
图18是处于击发位置的图15所示的缝合装置的手柄组件的驱动组件的侧面横截面图；
图18A是穿过图14的驱动组件的侧面横截面图，示出了处于解锁位置的手动缩回机构；
图19是图1所示的缝合装置的手柄组件的另一另选版本，其中以虚线示出了手柄组件的壳体；
图20是图19所示的手柄组合件的马达组件和驱动组件的侧面透视图，其中齿轮罩被移除；
图21是图19所示的手柄组件的驱动组件的分解侧面透视图；
图22是图20所示的马达组件和驱动组件的侧面透视图，其中马达组件被致动以使驱动组件前进；
图23是图23所示的马达组件和驱动组件的平面图，其中马达组件与驱动组件接合；并且
图24是图23所示的马达组件和驱动组件的平面图，其中马达组件与驱动组件脱离。
具体实施方式
现将参考图式详细地描述所公开的外科装置，在图式中，相同参考标号指代若干视图中的每一个中的相同或对应元件。然而，应当理解，本公开的各方面仅仅是本公开的示例，并且可以各种形式体现。未详细描述众所周知的功能或构造，以免不必要的细节模糊本公开。因此，本文所公开的特定的结构和功能细节不应理解为限制性的，而仅仅是权利要求书的基础，并作为具有代表性的基础用于教导本领域的技术人员以几乎任何合适的具体结构不同地采用本公开。除此之外，方向术语(诸如前部、后部、上部、下部、顶部、底部)以及类似术语用于帮助理解本说明书，且并不旨在限制本公开。
在此描述中，术语“近侧”一般用于指代装置的较靠近临床医生的部分，而术语“远侧”一般用于指代装置的离临床医生较远的部分。另外，术语“内窥镜”通常用于指代内窥镜、腹腔镜、关节镜和/或通过小直径切口或套管进行的任何其他过程。此外，术语“临床医生”通常用于指代包括医生、护士、外科医生和支持人员在内的医务人员。
本公开涉及一种外科装置，该外科装置包括动力手柄组件，该动力手柄组件包括马达组件、齿条、正齿轮和手动缩回机构。该正齿轮能够从与该马达组件和该齿条接合的位置移动到与该马达组件脱离并与该齿条接合的位置，以便于手动缩回该齿条。本公开还涉及外科装置，该外科装置包括动力手柄组件，该动力手柄组件具有马达组件、齿条、轴和小齿轮，该小齿轮将马达组件联接到齿条。轴支撑小齿轮并且能够移动，以将小齿轮从与齿条接合的第一位置移动到与齿条脱离的第二位置，以便于手动缩回该齿条。
图1示出了通常示为缝合装置10的外科装置，其包括手柄组合件12、细长主体或适配器组合件14和工具组合件16。手柄组件12包括形成固定手柄部分18a的壳体18，关节杠杆19和致动按钮20。适配器组件14限定纵向轴线“X”并且包括联接到手柄组件12的近侧部分24和支撑工具组件16的远侧部分26。工具组件16通过枢转构件28固定到适配器组件14的远侧部分26，枢转构件限定横向于纵向轴线“X”的轴线“Y”。关节杠杆19经由关节连杆(未示出)操作地联接到工具组件16，使得关节杠杆19的操纵引起工具组件16围绕轴线“Y”在其中工具组件16与纵向轴线“Y”对准的非关节运动位置与其中工具组件的纵向轴线和纵向轴线“X”限定锐角的非关节运动位置之间的关节运动。适配器组件14被支撑在旋转旋钮30内，旋转旋钮可旋转地联接到手柄组件12的远侧部分。旋钮30可围绕纵向轴线“X”手动旋转，以使适配器组件14和工具组件16围绕纵向轴线“X”旋转。致动按钮20控制缝合装置10的不同功能的操作，包括缝合装置10的夹紧和击发。
在本公开的各方面中，工具组件16形成再加载组件32的一部分，该再加载组件包括近侧主体部分34和工具组件16。再加载组件32的近侧主体部分34形成适配器组件14的延伸部，并且包括适于可释放地联接到适配器组件14的远侧末端的近侧末端和支撑工具组件16用于进行关节运动的远侧末端。在本公开的各方面中，工具组件16可以固定地联接到适配器组件14的远侧部分。
在本公开的各方面中，手柄组件12的壳体18由半段形成，该半段例如通过焊接或用螺杆联接在一起以限定腔38(图2)，该腔容纳手柄组件12的内部部件，这些内部部件将在下文进一步详细描述。壳体18限定上部开口40，该上部开口提供了通向手柄组件12的内部部件的通路。上部开口40被覆盖件42包围，该覆盖件可拆卸地支撑在上部开口40内。
图2和图3示出了手柄组件12的内部部件，这些内部部件包括齿轮罩44、马达组件46、齿条48、击发杆50、手动缩回机构52和中间正齿轮54以及驱动齿轮56。齿轮罩44通过螺杆等固定在壳体18的腔38内，并且限定相互交叉的第一腔60和第二腔62以及纵向延伸的通道64。齿轮罩44的第一腔60容纳驱动齿轮56，并且齿轮罩44的第二腔62容纳中间正齿轮54。驱动齿轮56和中间正齿轮各自包括啮合的齿轮齿，使得驱动齿轮56在第一腔60内的旋转引起中间正齿轮54在第二腔62内的对应旋转。齿条48容纳在齿轮罩44的通道64内并且包括与中间正齿轮54的齿轮齿啮合的齿轮齿。当驱动齿轮56旋转以使中间正齿轮54旋转时，中间正齿轮56与齿条48之间的接合使得齿条48纵向移动穿过齿轮罩44中的通道64。
马达组件46包括输出轴70(图4)，该输出轴固定到驱动齿轮56并且可经由致动按钮20(图1)激活以使驱动齿轮56旋转。在本公开的各方面中，马达组件46位于由固定手柄部分18a限定的壳体18的腔38的一部分内。马达组件46包括安装支架72，该安装支架使用螺杆74固定到齿轮罩44，使得驱动齿轮56容纳在齿轮罩44的第二腔62内。
图3至图6示出了包括旋转轴78、曲柄杆80和夹持构件82的手动缩回机构52。曲柄杆80包括中心毂部部分84，该中心毂部部分限定容纳旋转轴78的通孔86。通孔86包括圆柱形部分86a和矩形部分86b。曲柄杆80还包括杠杆部分88，该杠杆部分限定槽90并且形成夹头92。夹持构件82通过枢转构件94支撑在夹头92内，并且能够在位于槽90内的第一位置与从杠杆部分88正交延伸的第二位置之间枢转。
旋转轴78包括头部部分96和轴部分98，该轴部分从头部部分96向下延伸穿过曲柄杆80中的通孔86，如图5所示。轴部分98包括第一矩形部分100、圆柱形部分102和第二矩形部分104。第二矩形部分104包括分别接收C形夹110和112的间隔环形凹槽106和108。中间正齿轮54围绕旋转轴78的第二矩形部分104容纳在齿轮罩44的第一腔60内的C形夹112上。C形夹112位于第一腔60的外部，并且将旋转轴78固定到齿轮罩44。虽然旋转轴78被示为具有第一矩形部分和第二矩形部分，但也可以设想其他的轴配置。
齿轮罩44限定第一开口114和第二开口116，这两个开口与齿轮罩44的第一腔60的上端和下端连通。旋转轴78的圆柱形部分102容纳在齿轮罩44的第一开口114内，并且旋转轴78的第二矩形部分104延伸穿过齿轮罩44的第二开口116。C形夹110(图5)固定到旋转轴78的第二矩形部分104的下端，邻近齿轮罩44的下表面，并且C形夹112固定到旋转轴78的在齿轮罩44的第一腔60内的第二矩形部分104。C形夹110和112将中间正齿轮54固定到旋转轴78，并且将旋转轴78固定到齿轮罩44。旋转轴78的第二矩形部分104容纳在中间正齿轮54的矩形孔内，以能够将中间正齿轮54旋转地紧固到旋转轴78。
中间正齿轮54容纳在齿轮罩44的第一腔60内，并且能够在第一腔内在第一或下部位置和第二或上部位置之间移动。在下部位置(图5)，中间正齿轮54的齿同时接合齿条48的齿和驱动齿轮56的齿。在上部位置，中间正齿轮54的齿仅接合齿条48的齿。
手动缩回机构52包括位于中间正齿轮54的上表面与齿轮罩44的内表面之间的偏置构件120。偏置构件120将中间正齿轮54推向其较低位置，中间正齿轮54在该较低位置与驱动齿轮56和齿条48接合。在本公开的一些方面中，垫圈122位于偏置构件120的上表面与齿轮罩44的内表面之间。在本公开的某些方面中，偏置构件120包括螺旋弹簧。可以设想在缝合装置10(图1)中并入其他类型的偏置构件。
齿条44包括联接到击发杆50的远侧部分。在本公开的各方面中，击发杆50的近侧部分形成有直径大于击发杆50的主体的头部124(图3)，并且齿条48的远侧部分限定槽128。击发杆50的头部124容纳在齿条48的槽128中，以将击发杆50联接到齿条48，使得齿条48的纵向移动会引起击发杆50的纵向移动。头部124和槽128的联接允许击发杆50相对于齿条48旋转。
在本公开的一些方面中，手动缩回机构52包括限定圆形孔132(图3)的基座构件130。基座构件130固定到齿轮罩44的上表面，并且曲柄杆80的毂部部分84在圆形孔132内对齐。曲柄杆80能够从降低位置移动到升高位置。在降低位置，曲柄杆80的毂部部分84容纳在圆形孔132内，并且在升高位置，曲柄杆80的毂部部分84位于基座构件130的圆形孔132的上方。
手动缩回机构52的旋转轴78的头部96容纳在曲柄杆80的孔86内。当曲柄杆80处于其降低位置时，旋转轴78的圆柱形部分102容纳在曲柄杆80的通孔86的矩形部分86b内(图5)。在该位置，旋转轴78能够在曲柄杆80的通孔86内旋转，而不会引起曲柄杆80的旋转。当曲柄杆80朝向其升高位置移动时，旋转轴78的第一矩形部分100(图3)容纳在曲柄杆80的通孔86的矩形部分86b内。在该位置，曲柄杆80的旋转引起旋转轴78的对应旋转，并且因此，引起中间正齿轮54的旋转。旋转轴78的头部96的直径大于曲柄杆80的通孔86的矩形部分86b的宽度。因此，将曲柄杆80移动到升高位置会使旋转轴78移动到其上部位置，在该上部位置，中间正齿轮54的齿仅与齿条48的齿接合。
图7示出了马达组件46，该马达组件包括马达142、马达轴144、万向接头146、接头壳体148以及马达组件输出轴70。如上所述，马达组件输出轴70支撑正齿轮54。万向接头146(例如，万向节)将马达轴144联接到马达组件输出轴70，以将马达轴144的旋转转化为马达组件输出轴70的旋转。万向接头144允许马达轴144的纵向轴线与马达组件输出轴70的纵向轴线成一定角度定位。马达组件46的马达142被支撑在手柄组件12的固定手柄部分18a内。万向接头146允许固定手柄部分18a(图2)相对于缝合装置10(图1)的纵向轴线成一定角度，以在缝合装置10的手柄组件12上提供更符合人体工程学的夹持配置。
手柄组件12(图1)还包括一个或多个电池140(图2)，这些电池容纳在手柄组件12的壳体18的腔38中。电池140经由位于手柄组件12内的致动开关20(图1)和控制电路(未示出)(例如，印刷电路板和一个或多个控制器)向马达组件46提供电力，以控制缝合装置10的击发。
图4至图6示出了缝合装置10(图1)的手柄组件12，其中缝合装置10在该缝合装置击发前处于松开位置。在该位置，齿条48处于齿轮罩44的通道64内的缩回位置，并且中间正齿轮54处于其降低位置，并且与齿条48和驱动齿轮56接合。
图8和图9示出了缝合装置10处于击发位置时的再加载组件32。如上所述，再加载组件32包括工具组件16和近侧主体部分34。在本公开的各方面中，工具组件16包括砧座组件150和仓组件152。仓组件152包括支撑多个钉和推动器(未示出)的钉仓154和致动滑块156。近侧主体部分34包括驱动组件158，该驱动组件包括柔性梁160和工作端162。驱动组件158的工作端162具有I形梁配置，并且固定到柔性梁160的远测末端部分。柔性梁160具有可释放地联接到击发杆50的远侧部分的近侧末端部分。当击发杆50从缩回位置移动到前进位置时，驱动组件158从缩回位置移动到前进位置，以通过工具组件16移动驱动组件158的工作端162，从而通过工具组件16使致动滑块156前进。当致动滑块156移动穿过工具组件16时，致动滑块156接合推动器(未示出)，以将钉(未示出)从钉仓154弹入砧座组件150。在击发位置，驱动组件158的工作端162和致动滑块156处于它们在工具组件内的前进位置，并且工具组件16处于围绕组织(未示出)夹紧的夹紧位置。关于驱动组件158的操作及其与工具组件的相互作用的更详细描述，请参见美国专利第8,132,706号。
图10示出了缝合装置10(图1)的手柄组件12，此时缝合装置10被击发。当缝合装置10击发时，中间正齿轮54(图4)与齿条48和驱动齿轮56接合。当马达组件46激活时，驱动齿轮56使中间正齿轮54旋转，以使齿条48在箭头“A”所指示的方向上前进。齿条48联接到击发杆50，使得击发杆50的前进引起齿条48的前进，以使击发杆50在箭头“A”的方向上前进，并且使驱动组件158(图11)在工具组件16内前进。
图11示出了准备使用时的手动缩回机构52。当缝合装置10断电或损坏使得马达组件46无法缩回驱动组件158以释放夹紧在砧座组件150与仓组件152之间的组织(图11)时，可操作手动缩回机构52以缩回驱动组件158(图11)。为了接近手动缩回机构52，移除覆盖件42(图1)，以露出手柄组件12的壳体18中的上部开口40。一旦覆盖件被移除，就在箭头“C”的方向上向上拉动曲柄杆80，使曲柄杆80从其降低位置移动到升高位置。当曲柄杆80朝向其升高位置移动时，旋转轴78的第一矩形部分100(图3)容纳在曲柄杆80中的通孔86的矩形部分86b(图3)中。一旦旋转轴78的第一矩形部分100容纳在曲柄杆80中的通孔86的矩形部分86b中，曲柄杆80在箭头“C”的方向上的继续移动将使旋转轴78和中间正齿轮54提升到它们的上部位置，从而压缩偏置构件120(图5)。在上部位置，中间正齿轮54与驱动齿轮56脱离并且仅与齿条48接合。一旦曲柄杆80处于其升高位置，夹持构件82就能够围绕枢转构件94在箭头“D”的方向上枢转到操作位置。
一旦曲柄杆80移动到其升高位置，曲柄杆80就能够旋转，以使旋转轴78和中间正齿轮54旋转，从而缩回齿条48。更具体地，当曲柄杆80旋转时，旋转轴78的第一矩形部分100(图3)容纳在曲柄杆80的通孔86的矩形部分86b中将曲柄杆80能够旋转到紧固到旋转轴78。因此，当曲柄杆80旋转时，旋转轴78也旋转。通过旋转轴78的第二矩形部分104容纳在中间正齿轮54的矩形孔54a(图3)中，中间正齿轮54能够旋转地紧固到旋转轴78，使得旋转轴78的旋转引起中间正齿轮54的旋转。在上部位置，中间正齿轮54仅与齿条48啮合，并且因此，中间正齿轮54的旋转引起齿条48的缩回。
图12至图13D示出了缝合装置10(图1)的手柄组件12(图2)的替代版本，该替代版本通常被显示为手柄组件212。手柄组件212包括壳体214，该壳体与缝合装置10的壳体18(图1)基本相似。壳体214限定容纳手柄组件212的内部部件的腔216和被覆盖件262包围的开口260。
手柄组件212包括马达组件220，该马达组件容纳在腔216内，并且包括使驱动齿轮222(图13B)旋转的输出轴(未示出)。马达组件220和驱动齿轮222与上文所述的马达组件46和驱动齿轮56基本相似，并且在此不再详细描述。
手柄组件212包括齿轮罩224，该齿轮罩限定固定腔226和纵向通道228。手柄组件212的驱动组件218包括正齿轮或小齿轮230和齿条232。小齿轮230与驱动齿轮222接合，使得驱动齿轮222的旋转引起小齿轮230的旋转。小齿轮230还能够围绕轴234被旋转地支撑在齿轮罩224的腔226内，并且能够在第一位置(图13C)与第二位置(13D)之间在腔226内移动。齿条232延伸穿过齿轮罩224中的纵向通道228，并且包括齿232a，当小齿轮230处于其第一位置时，这些齿与小齿轮230接合，并且当小齿轮230处于其第二位置时，这些齿与小齿轮230脱离。
轴234(图13)延伸穿过在齿轮罩224中限定的非圆形孔236，并且包括头部238、非圆形轴部分240和圆柱形部分242。轴234的非圆形轴部分240限定肩部240a(图13D)，该肩部与轴234的圆形部分242相邻定位。轴234的非圆形轴部分240能够滑动地容纳在齿轮罩224的非圆形孔236中，使得轴234能够旋转地紧固到齿轮罩224，但能够在升高位置与降低位置之间在非圆形孔236内滑动。在本公开的各方面中，齿轮罩224的非圆形孔236和轴234的非圆形轴部分240具有对应的D形配置，但还可以设想其他配置。轴234的圆柱形部分242限定环形凹槽244(图13C)。
小齿轮230限定中心孔248(图13C)，该中心孔容纳轴234的圆柱形部分242并且能够围绕其旋转。例如螺旋弹簧250(图12)等的偏置构件在罩壁226a(图12)与小齿轮230的与轴234的头部238相对的一侧之间位于齿轮罩224的腔226内。螺旋弹簧250处于压缩状态，并且将小齿轮230推向其第一位置，在该第一位置，小齿轮230与齿条232接合。垫圈252容纳在形成于轴234的圆柱形部分242中的环形凹槽244内。轴234的圆柱形部分242延伸穿过齿轮罩224的底部中的孔256(图13C)，并且垫圈252位于齿轮罩224的腔226的外部，以将轴234固定到齿轮罩224。
当马达组件220激活时，与小齿轮230(图13C)啮合的驱动齿轮222(图13B)旋转，以使小齿轮230转动。当小齿轮230处于与齿条232(图13C)接合的其第一位置时，小齿轮230的旋转会引起齿条232的纵向移动。应当注意的是，当小齿轮230处于其第一位置时，轴234的非圆形部分240的肩部240a与小齿轮230的顶部接合。
当缝合装置10(图1)断电或损坏，使得马达组件220无法缩回驱动组件218以释放夹紧在砧座150与仓组件152(图11)之间的组织时，可以移除手柄组件212的壳体214中的覆盖件260(图12)，以露出壳体214中的开口262(图12)，从而提供通向轴234的头部238的通路。为了手动缩回齿条232，可以在图13D中的箭头“G”的方向上向下按压轴234，以使齿轮罩224的腔226内的小齿轮230从其第一位置向下移动到其第二位置。更具体地，当轴234被向下按压时，轴234上的肩部240a向下按压在小齿轮230上，以压缩螺旋弹簧250并将小齿轮230移动到与齿条232脱离的其第二位置。
一旦小齿轮230与齿条232脱离，就可以使用任何已知的缩回装置(例如，棘轮/棘爪机构、钩状工具等)朝近侧拉动或驱动齿条232，以将工具组件16(图8)的驱动组件158从夹紧位置移动到松开位置。应当注意的是，可以在手柄组件212的壳体214中创建附加的开口，以接近缩回装置。
图14至图18示出了缝合装置300，该缝合装置包括手柄组件的替代版本，该替代版本通常被显示为手柄组件312。手柄组件312包括壳体314，该壳体与缝合装置10的壳体18(图1)基本相似，并且在此不再详细描述。壳体314限定接收手柄组件312的内部部件的腔316。
图14至图16示出了手柄组件312的内部部件，这些内部部件包括马达组件318、驱动组件320和手动缩回机构322。马达组件318被支撑在壳体314的腔316(图18)内，并且包括具有平坦表面324a的输出轴324。在本公开的一些方面中，输出轴324(图16)具有D形配置，但也可以设想其他配置。
驱动组件320联接到马达组件318的输出轴324，并且包括单向正齿轮328、驱动螺杆330、驱动螺母332、连杆334、联接构件336、导向管338和齿轮罩340。齿轮罩340包括安装凸缘342和圆柱形主体344。齿轮罩340的安装凸缘342限定容纳螺杆348的孔346。螺杆348容纳在形成于马达组件318的远侧面上的带螺纹的孔350中，以将齿轮罩340固定到马达组件318。齿轮罩340的圆柱形主体344限定腔352和与腔352连通的窗口354。齿轮罩340的圆柱形主体344限定两个开口356(图中仅示出一个开口)和两个切口358。开口356中的一个开口和切口358中的一个切口彼此竖直对齐地位于窗口354的两侧上。齿轮罩340的圆柱形主体344的腔352接收单向正齿轮328。齿轮罩340的圆柱形主体344的远侧部分支撑轴承359。
单向正齿轮328限定接纳轴承362的中心通孔360。在本公开的各方面中，中心通孔360和轴承362具有对应的非圆形配置，例如D形配置，使得轴承362能够滑动地容纳在单向正齿轮328的中心通孔360内。单向正齿轮328和轴承362的对应配置能够旋转地将部件彼此紧固。轴承362还限定具有非圆形配置的中心通孔364。
驱动螺杆330包括带螺纹的外表面366、近侧延伸部368和远侧延伸部370。驱动螺杆330的近侧延伸部368延伸穿过齿轮罩340内的轴承359，并且被容纳和固定在轴承364的中心通孔364内。驱动螺杆330的远侧延伸部370容纳在被支撑在壳体314(图16)内的轴承372内，以将驱动螺杆330能够旋转地支撑在壳体314内。
当马达组件318被激活以使输出轴324旋转时，在与单向正齿轮328接合时，输出轴324的旋转会引起单向正齿轮328的对应旋转。如上所述，单向正齿轮328能够旋转地紧固到轴承362，该轴承固定到驱动螺杆330并且能够旋转地紧固到该驱动螺杆。因此，单向正齿轮328的旋转会引起驱动螺杆330的对应旋转。
驱动螺母332包括带螺纹的孔374，该孔容纳驱动螺杆330的带螺纹的外表面366并与之螺纹接合。驱动螺母332联接到连杆334的近侧部分。在本公开的各方面中，驱动螺母332包括突出部378，这些突出部容纳在形成于连杆334的近侧部分中的开口380内，以将驱动螺母332连接到连杆334。连杆334从驱动螺母332的远侧延伸，并且包括连接到联接构件336的远侧部分。在本公开的各方面中，联接构件336包括突出部384，这些突出部容纳在形成于连杆334的远侧部分中的开口386内，以将联接构件336连接到连杆334。驱动螺母332和连杆334容纳在导向管338内。
当驱动螺杆330旋转时，驱动螺杆330的外部带螺纹的表面366与驱动螺母332的内部带螺纹的孔374之间的接合使驱动螺母332在导向管338内沿驱动螺杆330纵向平移。驱动螺母332连接到连杆334，使得驱动螺母332沿驱动螺杆330的纵向平移引起连杆334在导向管338内纵向移动，从而前进到联接构件336。
联接构件336联接到击发杆382(图17)，使得联接构件336的纵向移动引起击发杆382的纵向移动。在本公开的各方面中，击发杆382包括头部部分384和细长主体386。头部部分384的直径大于细长主体386的直径。联接构件336限定槽390，该槽的宽度大于细长主体386的直径，但小于头部部分384的直径。击发杆382的细长主体386穿过联接构件336中的槽390被容纳，以将击发杆382轴向固定到联接构件336，同时允许击发杆382和联接构件336相对旋转。
单向正齿轮328能够移动地位于在齿轮罩340的圆柱形主体344的腔352内的缩回位置(图17)和前进位置(图18A)之间。在缩回位置，单向正齿轮328与驱动螺杆330的近侧延伸部368和马达组件318的输出轴324接合，使得马达组件324的输出轴324的旋转引起驱动螺杆330的旋转。在前进位置，单向正齿轮328与马达组件318的输出轴324脱离，但仍与驱动螺杆330接合。偏置构件396(例如，螺旋弹簧)位于马达组件318的远侧表面与单向正齿轮328的近侧表面之间，以推动单向正齿轮328朝向前进位置。在本公开的各方面中，单向正齿轮328的近侧表面限定容纳偏置构件396的凹陷部328a(图18A)。
图16至图18A示出了包括棘爪组件410和锁夹412的手动缩回机构322。棘爪组件410包括手柄414和主体部分416。在本公开的各方面中，主体部分416具有椭圆形或环形配置并且支撑棘轮棘爪418，该棘轮棘爪通过枢转构件420(图16)能够枢转地固定到主体部分416的上部部分)。棘轮棘爪418向下延伸到由主体部分416限定的圆形开口中。主体部分416容纳在齿轮罩340周围，其中棘轮棘爪418在单向正齿轮328上方位于齿轮罩340中的窗口354上。主体部分416的下部部分限定圆形槽422。
锁夹412具有矩形形状并且包括基座部分426和从基座部分426向上延伸的间隔腿部428。锁夹412的腿部428中的每个腿部包括台阶形内表面430，该台阶形内表面包括第一表面430a和第二表面430b。腿部428的第一表面430a间隔开以限定第一宽度，并且第二表面430b间隔开以限定第二宽度，该第二宽度大于第一宽度。腿部428中的每个腿部穿过齿轮罩340的开口356和切口358中的一者被容纳，使得锁夹412的腿部428的台阶形内表面430位于齿轮罩340的腔352内。锁夹412能够从第一位置和第二位置移动，在第一位置，锁夹412的腿部428的第一表面430a与单向正齿轮328对齐，在第二位置，锁夹412的腿部428的第二表面430b与单向正齿轮328间隔开。在锁夹412的腿部428的第一表面430a之间限定的宽度是为了防止单向正齿轮328移动到其前进位置，而在锁夹412的腿部428的第二表面430b之间限定的宽度允许单向正齿轮328移动到前进位置。
锁夹412的基座部分426包括突出部434(图16)，该突出部容纳在棘爪组件410的主体部分416中的圆形槽422(图18A)内。突出部434的容纳将棘爪组件410联接到锁夹412，以使棘爪组件410围绕齿轮罩340保持在稳定位置。如下文进一步详细描述的，突出部434被配置为在圆形槽422内滑动。
图17示出了处于预击发位置的驱动组件320，其中棘爪组件410位于齿轮罩340周围，并且棘轮棘爪418位于齿轮罩340中的窗口354(图16)上方。组装手柄组件312(图14)时，单向正齿轮328在近侧被压向马达组件318，以压缩偏置构件396并将单向正齿轮328定位在其缩回位置。在单向正齿轮328处于其缩回位置后，锁夹412的腿部428(图16)从齿轮罩340的与棘轮棘爪418相对的一侧插入形成于齿轮罩340上的开口356和切口358至其第一位置。在锁夹412的第一位置，锁夹412的腿部428的第一表面430a接合单向正齿轮328的远侧面，以抵抗偏置构件396的推动将单向正齿轮328保持在其缩回位置。在其缩回位置，单向正齿轮328与马达组件318的输出轴324和单向正齿轮328接合。当锁夹412处于其第一位置时，锁夹412上的突出部434被压入棘爪组件410的主体部分416上的圆形槽422中，以将棘爪组件410联接到锁夹412(图18A)。
在手柄组件12(图17)的预击发位置，驱动螺母332位于驱动螺杆330的近侧末端附近，并且联接构件336位于导向管338的远侧末端附近，使得连杆334处于缩回位置，并且击发杆382处于其缩回位置。
图18A示出了处于击发位置的手柄组件312(图14)。当通过按压致动按钮302击发缝合装置300(图14)时，马达组件318(图16)激活，以使输出轴324旋转。输出轴324的旋转引起单向正齿轮328和驱动螺杆330的对应旋转，以使驱动螺母332在箭头“J”方向上沿驱动螺杆330前进。当驱动螺杆330使驱动螺母332前进时，驱动螺母332使连杆334前进，从而使击发杆382在箭头“K”方向上前进，并且致动工具组件306(图14)，如上文关于缝合装置10(图1)的工具组件16所描述。
当工具组件316处于夹紧和击发位置(图8)并且动力缝合装置300(图14)变得无法使用且无法使用马达组件318松开夹紧时，手动缩回机构322允许手动松开工具组件。为了操作手动缩回机构322，在图18A中的箭头“L”的方向上向下按压棘爪组件410。当向下按压棘爪组件410时，通过突出部434联接到棘爪组件410的锁夹412从其第一位置移动到其第二位置。在第二位置，锁夹412与单向正齿轮328脱离，使得偏置构件396将单向正齿轮328从其缩回位置移动到其前进位置。在前进位置，单向正齿轮328与马达组件318的输出轴324脱离。当向下按压棘爪组件410时，棘轮棘爪418移动穿过齿轮罩340的窗口354与单向正齿轮328接合。
在单向正齿轮328处于其前进位置之后，棘爪组件410的手柄414能够旋转，以使单向正齿轮328和驱动螺杆330旋转，从而缩回击发杆382。当棘爪组件410旋转时，突出部434(图18A)在棘爪组件410的圆形槽422内移动。
图19至图24示出了缝合装置500，该缝合装置包括缝合装置10的手柄组件的替代版本，该替代版本通常被显示为手柄组件512。手柄组件512包括壳体514，该壳体与缝合装置10的壳体18(图1)基本相似，并且在此不再详细描述。壳体514限定接收手柄组件512的内部部件的腔516。腔516能够通过壳体514中的开口(未示出)被接近，该开口被覆盖件(未示出)包围。
手柄组件512包括马达组件520，该马达组件容纳在手柄组件512的腔516内，并且包括使被示为锥齿轮524的驱动齿轮旋转的输出轴522(图21)。马达组件520类似于如上所述的马达组件46，在此不再详细描述。
手柄组件512包括齿轮罩526，该齿轮罩限定固定腔528和纵向通道530。手柄组件512的驱动组件518包括锥齿轮532和齿条534。驱动组件518的锥齿轮532与马达组件520的锥齿轮524接合，使得锥齿轮524的旋转会引起锥齿轮532的旋转。锥齿轮532还能够围绕轴536被旋转地支撑在齿轮罩526的腔528内，并且能够在第一位置(图23)与第二位置(24)之间在腔528内移动。轴536包括头部536a，该头部与壳体514中的开口580相邻定位。齿条534延伸穿过齿轮罩526中的纵向通道530，并且包括齿534a。齿条534包括远侧部分538，该远侧部分联接到击发杆540的近侧部分540a。
轴536能够旋转地支撑在齿轮罩526的两个侧壁542a与542b之间，并且支撑小齿轮或正齿轮544。齿轮罩526的侧壁542a和542b中的每个侧壁限定圆形开口546(仅示出了一个)，该圆形开口容纳轴承548a、548b(图21)。轴承548a和548b通过保持板550a和550b固定在齿轮罩526的开口546内，这些保持板通过螺杆552固定到齿轮罩526的侧壁542a和542b。轴承548限定容纳轴536的端部的孔554。
轴536包括D形部分556并且限定环形凹槽558(图21)。D形部分556具有容纳在形成于驱动组件518的锥齿轮532中的D形孔560内，以将轴536固定到锥齿轮532，使得锥齿轮532的旋转会引起轴536的旋转。轴536的D形部分556也容纳在形成于小齿轮544中的D形孔562内，使得轴536的旋转会引起小齿轮544的对应旋转。轴536中的环形凹槽558容纳C形夹566，以将小齿轮544固定在轴536上。
小齿轮544在齿轮罩526的腔528内固定在轴536上。轴536能够在第一位置与第二位置之间在轴承548的孔554内移动，以使小齿轮544在第一位置与第二位置之间移动。在轴536和小齿轮544的第一位置(图23)，小齿轮544与齿条534的齿534a接合，使得小齿轮544的旋转会引起齿条534在齿轮罩526的纵向通道530内的纵向移动。在轴536和小齿轮544的第二位置，小齿轮544与齿条534脱离。例如螺旋弹簧570等的偏置构件在齿轮罩526的侧壁542a与小齿轮544之间被支撑在齿轮罩526的腔528内，以将小齿轮544推向第一位置。
图22和图23示出了手柄组件512(图19)的驱动组件518，其中轴536和小齿轮544被螺旋弹簧570(图21)推向第一位置。如上所述，当轴536和小齿轮544处于它们的第一位置时，小齿轮544与齿条534接合。当马达组件520致动以使马达组件锥齿轮524在图22中的箭头“K”的方向上旋转时，驱动组件锥齿轮532旋转，以使轴536在图22中的箭头“L”的方向上旋转。当轴536旋转时，固定到轴536的小齿轮544旋转，以使齿条534在箭头“M”的方向上纵向移动。齿条534联接到击发杆540。因此，齿条534的纵向移动会引起击发杆540的对应纵向移动，从而如上所述致动工具组件16(图8)。
当缝合装置500(图19)断电或损坏，使得马达组件520无法缩回驱动组件518以释放夹紧在砧座150与仓组件152(图11)之间的组织时，可以移除手柄组件512的壳体514中的覆盖件(未示出)，以露出壳体514中的开口(未示出)，从而提供通向轴536的头部536a的通路。为了手动缩回齿条534，可以在图24中的箭头“G”的方向上向下按压轴536，以使齿轮罩526的腔528内的小齿轮544在箭头“K”的方向上从其第一位置移动到其第二位置，并且将小齿轮544与齿条534脱离。
一旦小齿轮544与齿条534脱离，就可以使用任何已知的缩回装置(例如，棘轮/棘爪机构、钩状工具等)朝近侧拉动或驱动齿条534，以将工具组件16(图8)的驱动组件518从夹紧位置移动到松开位置。应当注意的是，可以在手柄组件512的壳体514中创建附加的开口，以接近缩回装置和/或齿条534。
本领域技术人员将理解，本文中具体描述并且在附图中展示的装置和方法是本公开的非限制性示例性方面。据设想，在不脱离本公开的范围的情况下，结合本公开的一个示例性方面示出或描述的元件和特征可与另一方面的元件和特征组合。同样，本领域的技术人员将基于本公开的上述方面理解本公开的另外的特征和优点。因此，本公开不受已具体示出和描述的内容的限制，除非由所附权利要求书指出。

Claims (20)

1.一种用于外科装置的动力手柄组件，包括：
壳体，所述壳体限定腔；
齿轮罩，所述齿轮罩被支撑在所述壳体的所述腔内，所述齿轮罩限定腔和延伸穿过所述齿轮罩的所述腔的纵向通道；
马达组件，所述马达组件包括输出轴和固定到所述输出轴的驱动齿轮，所述马达组件固定到所述齿轮罩，并且所述驱动齿轮定位在所述齿轮罩的所述腔内；
齿条，所述齿条容纳在所述齿轮罩的所述纵向通道内，并且能够在缩回位置与前进位置之间移动穿过所述齿轮罩的所述腔；
轴，所述轴延伸穿过所述齿轮罩的所述腔，所述轴能够在第一位置与第二位置之间轴向地移动；和
小齿轮，所述小齿轮联接到所述轴并且容纳在所述齿轮罩的所述腔内，所述小齿轮能够响应于所述轴在所述轴的第一位置与第二位置之间的移动而在所述齿轮罩的所述腔内从第一位置移动到第二位置，在所述第一位置，所述小齿轮与所述齿条接合，在第二位置，所述小齿轮与所述齿条脱离。
2.根据权利要求1所述的动力手柄组件，其中所述轴能够旋转地紧固到所述齿轮罩。
3.根据权利要求1所述的动力手柄组件，还包括偏置构件，所述偏置构件定位在所述齿轮罩的所述腔内，所述偏置构件被定位成将所述小齿轮推向所述小齿轮的第一位置。
4.根据权利要求1所述的动力手柄组件，其中所述驱动齿轮与所述小齿轮接合，使得所述驱动齿轮的旋转引起所述小齿轮的旋转。
5.根据权利要求1所述的动力手柄组件，其中所述马达组件包括马达，所述马达具有马达轴、万向接头、接头壳体和所述输出轴，所述万向接头将所述马达轴联接到所述输出轴。
6.根据权利要求5所述的动力手柄组件，其中所述马达轴限定第一轴线，并且所述输出轴限定第二轴线，所述第一轴线与所述第二轴线限定锐角。
7.根据权利要求1所述的动力手柄组件，其中所述马达组件的所述输出轴支撑第一锥齿轮，并且所述轴支撑与所述第一锥齿轮接合的第二锥齿轮，使得所述第一锥齿轮的旋转引起所述第二锥齿轮的旋转。
8.根据权利要求7所述的动力手柄组件，其中所述第二锥齿轮紧固地固定到所述轴，使得所述第二锥齿轮的旋转引起所述轴和所述小齿轮的旋转。
9.根据权利要求8所述的动力手柄组件，其中所述齿轮罩包括侧壁，所述侧壁中的每个侧壁支撑轴承，所述轴能够旋转地支撑在所述齿轮罩上的所述轴承之间。
10.一种外科装置，包括：
动力手柄组件，所述动力手柄组件包括：
壳体，所述壳体限定腔；
齿轮罩，所述齿轮罩被支撑在所述壳体的所述腔内，所述齿轮罩限定腔和延伸穿过所述齿轮罩的所述腔的纵向通道；
马达组件，所述马达组件包括输出轴和固定到所述输出轴的驱动齿轮，所述马达组件固定到所述齿轮罩，并且所述驱动齿轮定位在所述齿轮罩的所述腔内；
齿条，所述齿条容纳在所述齿轮罩的所述纵向通道内，并且能够在缩回位置与前进位置之间移动穿过所述齿轮罩的所述腔；
轴，所述轴延伸穿过所述齿轮罩的所述腔，所述轴能够在第一位置与第二位置之间轴向地移动；和
小齿轮，所述小齿轮联接到所述轴并且容纳在所述齿轮罩的所述腔内，所述小齿轮能够响应于所述轴在所述轴的第一位置与第二位置之间的移动而在所述齿轮罩的所述腔内从第一位置移动到第二位置，在所述第一位置，所述小齿轮与所述齿条接合，在所述第二位置，所述小齿轮与所述齿条脱离；
适配器组件，所述适配器组件具有近侧部分和远侧部分，所述近侧部分联接到所述手柄组件，所述适配器组件包括击发杆，所述击发杆联接到所述齿条并且能够响应于所述齿条在所述齿条的缩回位置与前进位置之间的移动而在缩回位置与前进位置之间移动；和
工具组件，所述工具组件被支撑在所述适配器组件的所述远侧部分上。
11.根据权利要求10所述的外科装置，其中所述动力手柄组件的所述轴能够旋转地紧固到所述齿轮罩。
12.根据权利要求10所述的外科装置，其中所述动力手柄组件还包括偏置构件，所述偏置构件定位在所述齿轮罩的所述腔内，所述偏置构件被定位成将所述小齿轮推向所述第一位置。
13.根据权利要求10所述的外科装置，其中所述动力手柄组件的所述驱动齿轮与所述小齿轮接合，使得所述驱动齿轮的旋转引起所述小齿轮的旋转。
14.根据权利要求10所述的外科装置，其中所述动力手柄组件的所述马达组件包括马达，所述马达具有马达轴、万向接头、接头壳体和所述输出轴，所述万向接头将所述马达轴联接到所述输出轴。
15.根据权利要求14所述的外科装置，其中所述动力手柄组件的所述马达组件的所述马达轴限定第一轴线，并且所述马达组件的所述输出轴限定第二轴线，所述第一轴线与所述第二轴线限定锐角。
16.根据权利要求10所述的外科装置，其中所述动力手柄组件的所述马达组件的所述输出轴支撑第一锥齿轮，并且所述轴支撑与所述第一锥齿轮接合的第二锥齿轮，使得所述第一锥齿轮的旋转引起所述第二锥齿轮的旋转。
17.根据权利要求16所述的外科装置，其中所述第二锥齿轮紧固地固定到所述轴，使得所述第二锥齿轮的旋转引起所述轴和所述小齿轮的旋转。
18.根据权利要求17所述的外科装置，其中所述齿轮罩包括侧壁，所述侧壁中的每个侧壁支撑轴承，所述轴能够旋转地支撑在所述齿轮罩上的所述轴承之间。
19.根据权利要求18所述的外科装置，其中，所述工具组件包括砧座组件和仓组件。
20.一种用于外科装置的动力手柄组件，包括：
壳体，所述壳体限定腔；
马达组件，所述马达组件包括输出轴和固定到所述输出轴的驱动齿轮；
齿条，所述齿条容纳在所述壳体的所述腔内，并且能够在缩回位置与前进位置之间移动；
轴，所述轴延伸穿过所述齿轮罩的所述腔，所述轴能够在第一位置与第二位置之间轴向地移动；和
小齿轮，所述小齿轮联接到所述轴，所述小齿轮能够响应于所述轴在所述轴的第一位置与第二位置之间的移动而从第一位置移动到第二位置，在所述第一位置，所述小齿轮与所述齿条接合，在所述第二位置，所述小齿轮与所述齿条脱离。
CN202280037509.6A 2021-05-26 2022-05-19 具有齿条释放的动力缝合装置 Pending CN117377435A (zh)

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