CN114711867A - 具有击发锁定机构的外科缝合装置 - Google Patents
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Abstract
一种外科缝合装置包含工具组件,所述工具组件包含能够相对于彼此在打开位置与夹持位置之间移动的砧座和钉仓组件。所述钉仓组件包含钉仓,所述钉仓能够在所述缝合装置的每次击发之后替换以促进所述缝合装置的再使用。所述砧座包含锁定机构,所述锁定机构在所述钉仓先前已被击发时防止所述缝合装置的操作。所述锁定机构适于在替换所述钉仓且所述工具组件从所述打开位置移动到所述夹持位置时从锁定位置移动到解锁位置。
Description
技术领域
本公开涉及一种外科缝合装置,且更确切地说,涉及一种具有锁定机制的外科缝合装置以防止用用过的钉仓击发缝合装置。
背景技术
用于同时缝合和切割组织的外科缝合装置在本领域中是众所周知的。通常,这些缝合装置包含工具组件和驱动组件。工具组件包含砧座组件和钉仓组件,所述钉仓组件具有包含刀和致动滑块的钉仓。驱动组件可相对于砧座和钉仓组件移动以在打开位置与夹持位置之间移动工具组件,且推进刀和致动滑块以将缝钉从钉仓射出且切割夹持在砧座与钉仓组件之间的组织。在击发缝合装置之后,致动滑块保留在工具组件内的推进位置中。
在一些缝合装置中,钉仓收纳在钉仓组件的沟道部件内,且可更换以促进缝合装置的再使用。为了防止在缝钉已从钉仓击发之后工具组件的刀的推进,工具组件可包含锁定组件。当滑块处于其推进位置时,锁定组件可从解锁位置移动到锁定位置以与驱动组件啮合,以防止驱动组件的再次推进。在一些缝合装置中,锁定组件可响应于新钉仓插入到沟道部件中而移动到解锁位置。
一直需要一种简单构造的锁定机构,当用过的钉仓定位在钉仓组件的沟道部件内时,所述锁定机构可防止缝合装置的驱动组件的推进。
发明内容
本公开针对一种外科缝合装置,其具有工具组件,所述工具组件包含可相对于彼此在打开位置与夹持位置之间移动的砧座和钉仓组件。钉仓组件包含钉仓,所述钉仓可在缝合装置的每次击发之后替换以促进缝合装置的再使用。砧座包含锁定机构,所述锁定机构在钉仓先前已被击发时防止缝合装置的操作。当替换钉仓且工具组件从打开位置移动到夹持位置时,锁定机构从锁定位置移动到解锁位置。
本公开的一个方面针对一种外科缝合装置,其包含细长主体、工具组件、锁定机构和驱动组件。细长主体具有近端部分和远端部分。工具组件支撑在细长主体的远端部分上,且包含砧座和钉仓组件。钉仓组件包含沟道部件和可拆卸地收纳在沟道部件内的钉仓。钉仓包含仓主体、缝钉和致动滑块组件,所述致动滑块组件包含致动滑块和支撑在致动滑块上的刀。致动滑块组件可在缩回位置与推进位置之间移动穿过仓主体。砧座包含砧座主体且耦合到钉仓组件,使得工具组件可在打开位置与夹持位置之间移动。锁定机构支撑在砧座上且包含锁定部件,所述锁定部件可响应于工具组件从打开位置到夹持位置的移动而在锁定位置与解锁位置之间移动。驱动组件包含可相对于工具组件在缩回位置与推进位置之间移动的夹持部件。锁定部件定位成防止夹持部件在锁定位置中从缩回位置移动到推进位置。
本公开的另一方面针对一种包含砧座和锁定机构的砧座组件。砧座包含具有界定多个钉形成凹座和中心刀槽的钉形成表面的砧座主体。钉形成凹座定位在中心刀槽的相对侧上。锁定机构支撑在砧座主体上且包含可在锁定位置与解锁位置之间移动的锁定部件。
在本公开的各方面中,锁定部件偏置到锁定位置。
在本公开的一些方面中,当致动滑块组件处于其缩回位置时,锁定部件啮合致动滑块组件以将锁定部件保持在解锁位置中。
在本公开的某些方面中,锁定机构包含将锁定部件可枢转地紧固到砧座主体的枢转部件。
在本公开的各方面中,锁定机构包含用于朝向锁定位置推动锁定部件的偏置部件。
在本公开的一些方面中,偏置部件包含扭力弹簧。
在本公开的某些方面中,锁定机构包含延伸穿过砧座主体且啮合锁定部件以防止锁定部件向外移动的销钉。
在本公开的各方面中,锁定部件以悬臂方式紧固到砧座主体且包含弹性臂,所述弹性臂可变形以将锁定部件从锁定位置移动到解锁位置。
在本公开的一些方面中,锁定机构包含支撑在砧座主体上且定位成朝向锁定位置推动锁定部件的臂的偏置机构。
在本公开的某些方面中,偏置机构包含柱和螺旋弹簧,所述螺旋弹簧围绕所述柱定位且与锁定部件的臂啮合以朝向锁定位置推动锁定部件。
在本公开的各方面中,锁定机构包含锁定板和锁定部件,且砧座主体界定第一通孔和第二通孔。
在本公开的一些方面中,锁定板包含U形夹和引导部件,且U形夹延伸穿过第一通孔且可枢转地耦合到锁定部件,且引导部件延伸穿过第二通孔。
在本公开的某些方面中,锁定部件可在锁定位置与解锁位置之间枢转。
在本公开的各方面中,砧座主体包含界定凹槽的外表面,且锁定板收纳在凹槽内且可在升高位置与降低位置之间移动。
在本公开的一些方面中,升高位置对应于锁定部件的锁定位置,且降低位置对应于锁定板的解锁位置。
在本公开的某些方面中,锁定机构包含定位成朝向降低位置推动锁定板的第一偏置部件。
在本公开的各方面中,锁定机构包含定位成朝向锁定位置推动锁定部件的第二偏置部件。
将根据以下描述理解本公开的其它特征。
附图说明
下文参考附图在本文中描述本公开的各个方面,其中:
图1为根据本公开的各方面的包含具有锁定机构的工具组件的外科缝合装置的侧面透视图,其中工具组件处于打开位置;
图2为图1中所展示的所指示细节区域的放大视图;
图3为图2中所展示的工具组件的侧面透视图,其中工具组件处于夹持位置;
图4为图1中所展示的缝合装置的驱动组件的夹持部件的侧面透视图;
图5为图3中所展示的工具组件的刀和致动滑块的侧面透视图;
图6为图4和5中所展示的夹持部件、致动滑块和刀的侧面透视图,其中夹持部件与致动滑块啮合;
图7为图3中所展示的工具组件的砧座的透视图,其中锁定机构紧固到砧座;
图8为图7中所展示的砧座和锁定机构的透视图,其中锁定机构与砧座分离;
图9为沿图3的截面线9-9截取的横截面视图,其中锁定机构处于解锁位置;
图10为图9中所展示的工具组件的夹持部件、致动滑块和锁定机构的侧面透视图,其中锁定机构处于解锁位置;
图11为沿图9的截面线11-11截取的横截面视图;
图12为通过工具组件截取的横截面视图,其中锁定机构处于解锁位置;
图13为图12中所展示的工具组件的夹持部件、致动滑块和锁定机构的侧面透视图,其中锁定机构处于锁定位置;
图14为沿图12的截面线14-14截取的横截面视图;
图15为图1中所展示的缝合装置的工具组件的砧座和锁定机构的替代版本的透视图;
图16为图15中所展示的砧座和锁定机构的透视图,其中锁定机构与砧座分离;
图17为图1中所展示的工具组件的夹持部件和致动滑块和图16中所展示的锁定机构的侧面透视图,其中锁定机构处于解锁位置;
图18为通过工具组件截取的横截面视图,其中图17中所展示的锁定机构处于解锁位置;
图19为图1中所展示的工具组件和图15中所展示的锁定机构的侧面透视图,其中锁定机构处于锁定位置;
图20为图1中所展示的工具组件的夹持部件和致动滑块和图19中所展示的锁定机构的侧面透视图,其中锁定机构处于锁定位置;
图21为图1中所展示的缝合装置的工具组件的砧座和锁定机构的另一替代版本的透视图;
图22为图21中所展示的砧座和锁定机构的透视图,其中锁定机构与砧座分离;
图23为图1中所展示的工具组件的夹持部件和致动滑块和图22中所展示的锁定机构的侧面透视图,其中锁定机构处于解锁位置;
图24为通过工具组件截取的横截面视图,其中图23中所展示的锁定机构处于解锁位置;
图25为图1中所展示的工具组件的夹持部件和致动滑块和图23中所展示的锁定机构的侧面透视图,其中锁定机构处于锁定位置;
图26为图1中所展示的工具组件和图25中所展示的锁定机构的侧面透视图,其中锁定机构处于锁定位置;
图27为图1中所展示的缝合装置的工具组件的砧座和锁定机构的又一替代版本的透视图;
图28为图27中所展示的砧座和锁定机构的透视图,其中锁定机构与砧座分离;
图29为图1中所展示的工具组件的夹持部件和致动滑块和图28中所展示的锁定机构的侧面透视图,其中锁定机构处于解锁位置;
图30为通过图1中所展示的缝合装置的工具组件的替代版本截取的侧面透视图,所述工具组件包含图29的锁定机构;
图31为沿图30的截面线31-31截取的横截面视图;
图32为具有图29中所展示的锁定机构的图30中所展示的工具组件的夹持部件和致动滑块的侧面透视图,其中锁定机构处于锁定位置;
图33为包含处于锁定位置的图29的锁定机构的图30中所展示的缝合装置的工具组件的侧面透视图;以及
图34为沿图33的截面线34-34截取的横截面视图。
具体实施方式
现在将参考附图详细描述所公开的缝合装置,其中相似附图标号在若干视图中的每一个中表示相同或对应元件。然而,应理解,本公开的各方面仅仅是本公开的示例,且可以各种形式实施。为了避免在不必要的细节上模糊本公开,未对众所周知的功能或构造进行详细描述。因此,本文所公开的特定结构和功能细节不应解释为限制性的,而是只应被解释为权利要求书的基础,和用于教示本领域的技术人员用实际上任何适当的详细结构以不同方式采用本公开的代表性基础。此外,例如前部、后部、上部、下部、顶部、底部、远端、近端的方向术语及类似术语用于帮助理解描述,且并不旨在限制本公开。
在本说明书中,术语“近端”通常用于指装置的更靠近临床医生的部分,而术语“远端”通常用于指装置的更远离临床医生的部分。另外,术语“内窥镜”通常用于指内窥镜、腹腔镜、关节镜和/或通过小直径切口或套管进行的任何其它过程。另外,术语“临床医生”通常用于指医务人员,包含医生、护士和辅助人员。
所公开的外科缝合装置包含工具组件和用于致动工具组件的驱动组件。工具组件包含可相对于彼此在打开位置与夹持位置之间移动的砧座和钉仓组件。钉仓组件包含沟道部件和以可释放方式收纳在沟道部件内且可替换以促进缝合装置的再使用的钉仓。钉仓包含夹持部件、刀和致动滑块,其可响应于驱动组件从缩回位置到推进位置的移动而移动穿过钉仓的主体以将工具组件从打开位置移动到夹持位置,从钉仓中射出缝钉,且切割夹持在砧座与钉仓组件之间的组织。砧座支撑锁定机构,所述锁定机构可响应于工具组件从打开位置到夹持位置的移动而从锁定位置移动到解锁位置。在锁定位置,锁定机构阻止驱动组件从其缩回位置移动到其推进位置以防止缝合装置的操作。在解锁位置,锁定机构定位成允许驱动组件从缩回位置移动到推进位置以操作缝合装置。
图1至3说明根据本公开的各方面的外科缝合装置,所述外科缝合装置通常展示为包含手柄组件12、细长主体14和工具组件100的缝合装置10。细长主体14界定纵向轴线“X”。手柄组件12包含界定手柄18a、多个致动器按钮20、旋钮22和铰接杆24的主体18。旋钮22可旋转地支撑在手柄组件12的主体18的远端部分上且支撑细长主体14,以促进细长主体14和工具组件100相对于手柄组件12绕纵向轴线“X”的旋转。致动器按钮20控制缝合装置10的各种功能的操作,包含接近、击发和切割。铰接杆24可旋转地支撑在旋钮22上且可枢转以实现工具组件100相对于细长主体14绕横向于细长主体14的纵向轴线“X”的轴线的铰接。尽管缝合装置10说明为电动动力缝合装置,但据设想,所公开的工具组件100也将适于与手动动力外科缝合装置或与用于机器人控制缝合装置的机器人系统一起使用。美国专利第9,055,943号公开了一种包含动力手柄组件的外科缝合装置,且美国专利第6,241,139号公开了一种包含手动致动手柄组件的外科缝合装置。美国专利第9.962,159号公开一种经配置成与机器人系统一起使用的缝合装置。
图2和3说明包含砧座组件102和钉仓组件104的工具组件100。钉仓组件104包含钉仓106和收纳钉仓106的沟道部件108。在本公开的各方面中,钉仓106以可释放方式支撑在沟道部件108内且可替换以促进工具组件100的再使用。钉仓106包含仓主体110、致动滑块112(图5)和多个缝钉114(图9)。仓主体110界定中心刀槽116和钉收纳凹座118。在本公开的各方面中,钉收纳凹座118在定位在中心刀槽116的每一侧上的行中对准。尽管在图2中展示在中心刀槽116的每一侧上的三行钉收纳凹座118,但设想仓主体110可在中心刀槽116的每一侧上界定一或多行钉收纳凹座118。钉收纳凹座118中的每一个收纳缝钉114。尽管未展示,但钉仓104还包含推动器,其支撑缝钉114且当致动滑块112通过仓主体110推进以将缝钉114从仓主体110射出时由致动滑块112(图5)啮合。更确切地说,致动滑块112包含成角度的凸轮表面112a(图5),其啮合且提升钉仓104的仓主体110内的推动器以将缝钉114从仓主体110射出。
图4至7说明钉仓106的致动滑块112。在本公开的各方面中,致动滑块112支撑刀120以形成组件,所述组件可通过仓主体110从缩回位置移动到推进位置。刀120包含纵向主体部分122和竖直定位的切割部件124,所述切割部件从主体122穿过仓主体110中的中心刀槽116朝向砧座102延伸。
图7和8说明工具组件100的砧座102,所述砧座102包含具有近端部分132和远端部分134的砧座主体130。砧座主体130的远端部分134具有界定钉形成凹座136a的钉形成表面136。当工具组件100从打开位置移动到夹持位置以将钉形成凹座136a定位成与钉仓106的钉收纳凹座118对准时,钉形成表面136可移动成与钉仓106并列对准。砧座主体130界定沟道138和与沟道138连通的中心刀槽140。沟道138具有由位于中心刀槽140的每一侧上的斜升表面142界定的近端部分。砧座主体130的近端部分132包含界定开口146的侧凸缘144。开口146中的每一个收纳枢转部件148(图3),以将砧座102可枢转地耦合到钉仓组件104的沟道部件108。
缝合装置10(图1)包含驱动组件,所述驱动组件包含驱动螺钉150(图9)和夹持部件152。如本领域中已知的,驱动螺钉150轴向固定但可旋转地支撑在钉仓组件104内。
图4至6说明包含主体154的夹持部件152,所述主体154具有第一梁156、第二梁158和将第一梁156和第二梁158互连的中心部分160。中心部分160包含垂直支柱162和毂164。垂直支柱162界定远端挡板表面172且具有紧固到第一梁156的第一末端和紧固到毂164的第一侧的第二末端。毂164具有连接到第二梁158的第二侧。毂164界定收纳驱动螺钉150的螺纹通孔166。当驱动螺钉150在钉仓组件104内旋转时,夹持部件152在缩回位置与推进位置之间沿着钉仓106内的驱动螺钉150纵向驱动。
第一梁156收纳在界定在砧座102的砧座主体130内的沟道138内。当夹持部件152从其缩回位置移动到其推进位置时,夹持部件152的第一梁156啮合砧座主体130的斜升表面142以使砧座102相对于钉仓组件104从打开位置枢转到夹持位置。夹持部件152的第一梁156包含向远端延伸的指形件156a,所述指形件156a具有向下延伸的突出部170,所述突出部170沿着砧座102的中心刀槽140(图7)滑动以从刀槽140内推动组织。
当夹持部件152在其缩回位置与推进位置之间移动时,第二梁158定位成在沿着钉仓组件104的沟道部件108(图2)延伸的沟道108a(图11)内移动。当夹持部件152移动通过工具组件100时,第一梁156和第二梁158分别与砧座102和钉仓组件104的啮合设置了砧座102的钉形成表面136与钉仓106(图2)之间的最大组织间隙。
当钉仓106收纳在钉仓组件104的沟道部件108内时,夹持部件152定位在致动滑块112的近侧且邻近于致动滑块112。在此位置中,刀120的切割部件124与夹持部件152的垂直支柱162的远端挡板表面172(图4)相邻定位。
图7和8说明包含锁定部件182、偏置部件184和枢轴部件186的工具组件100的锁定机构180。锁定部件182包含圆形毂部分188、从毂部分188向近端延伸的臂190和中心凸片189。中心毂189包含成角度的侧壁189a。臂190包含近端邻接表面192。毂部分188通过枢转部件186可枢转地紧固在砧座主体130(图8)中界定的圆形凹槽194内,使得锁定部件182可绕横向于工具组件100的纵向轴线“X”的轴线“Z”(图8)枢转。偏置部件184包含围绕枢转部件186和第一弹簧臂198和第二弹簧臂200收纳的中心毂部分196。第一弹簧臂198紧固到锁定部件182,且第二弹簧臂200与砧座主体130的圆形凹槽194收纳在一起以将锁定部件182推动到锁定位置。在锁定位置,锁定臂182的近端邻接表面192与夹持部件152的远端挡板表面172轴向对准以防止夹持部件152在工具组件100内从缩回位置朝向推进位置移动。
插销或销钉204通过砧座主体130中的开口206插入。销钉204界定啮合锁定部件182的臂190以阻止锁定部件182朝向砧座102的砧座主体130向外移动的平面208。
图9至11说明处于夹持位置的工具组件100,其中锁定机构180处于解锁位置。当新的钉仓106,即未击发的钉仓,定位在钉仓组件104的沟道部件108内且工具组件100移动到夹持位置时,砧座102的钉形成表面136(图8)移动到与钉仓106并列对准。钉仓106的仓主体110界定切口110a(图11),当工具组件100移动到夹持位置时,切口110a收纳锁定部件182的一部分。当砧座102相对于钉仓106枢转时,锁定部件182的中心凸片189的成角度侧壁189a(图11)啮合刀120以对抗偏置部件184的推动,推动锁定机构180的锁定部件182从锁定位置(图12)到解锁位置(图9)。在解锁位置中,锁定部件182与刀120啮合,且锁定臂182的近端邻接表面192保持在夹持部件152的远端挡板表面172的外侧位置中。在此位置中,可击发缝合装置10(图1)。
图12至14说明其中锁定机构180处于锁定位置的工具组件100。当击发缝合装置10时,夹持部件152通过工具组件100从缩回位置推进到推进位置。当夹持部件152移动穿过工具组件100时,夹持部件152邻接且通过钉仓106推进致动滑块112和刀120(其支撑在致动滑块112上)。由于致动滑块112为与夹持部件152处于邻接关系,因此当夹持部件152从推进位置移动回到缩回位置时,致动滑块112和刀120保留在钉仓106的远端末端中。因此,在缝合装置10(图1)经击发且夹持部件152返回到缩回位置之后,刀120和/或致动滑块112不再定位成阻止锁定机构180的锁定部件182从解锁位置到锁定位置的移动。因此,在缝合装置10(图1)经击发且夹持部件152缩回之后,锁定部件182由偏置部件184从解锁位置(图9)移动到锁定位置(图12),其中锁定部件182的近端邻接表面192定位成与夹持部件152的远端挡板表面172对准以防止夹持部件152的远端移动(或再次推进)。
图15至19说明工具组件300(图18),其包含通常展示为砧座302和锁定机构380的缝合装置10(图1)的砧座和锁定机构的替代版本。除了砧座302界定切口304和通孔306以外,砧座302大体上类似于砧座102(图7)。砧座302包含侧凸缘344。锁定机构380包含锁定部件382和紧固部件386。在本公开的各方面中,紧固部件386包含螺钉,但可以设想其它紧固部件。锁定部件382具有包含近端部分390a和远端部分390b的弹性臂390。近端部分390a界定孔392,且远端部分390b包含具有邻接表面394a的邻接部件394。通过将螺钉386插入穿过砧座302的侧凸缘344中的通孔306和锁定部件382的近端部分390a中的孔392且将螺钉386紧固到砧座302的内表面,锁定部件382的近端部分390a以悬臂方式紧固到砧座302的侧凸缘344中的一个的内壁。臂390包含厚度减小的中心部分390c,其允许臂390从未变形锁定位置(图18)向外弯曲到变形的解锁位置(图20)。
图17和18说明工具组件300,其中砧座302处于夹持位置且锁定机构380处于解锁位置。当砧座302在缝合装置10的击发之前移动到夹持位置(图18)时,邻接部件394啮合刀120的切割部件124以将邻接部件394向夹持部件152的远端挡板表面172的外侧偏转。在此位置中,夹持部件152可沿着驱动螺钉150从其缩回位置朝向其推进位置移动以移动致动滑块112和刀120穿过钉仓106以将缝钉114从钉仓106射出且切割夹持在砧座302与钉仓106之间的组织。
图19和20说明工具组件300,其中砧座302处于夹持位置且锁定机构380处于锁定位置。在击发缝合装置10(图1)之后,致动滑块112和刀120(图18)保留在钉仓106的远端部分中。当夹持部件152返回到其缩回位置时,锁定部件382的弹性臂390朝内弯曲到其未变形位置以将邻接表面394a定位成与夹持部件152的远端挡板表面172对准。在此位置中,锁定部件382防止夹持部件152在工具组件300内的再次推进。
图21至26说明工具组件400(图24),其包含通常展示为砧座402和锁定机构480的缝合装置10(图1)的砧座和锁定机构的替代版本。砧座402大体上类似于砧座302(图16),不同之处在于砧座402包含收纳如下文所描述的偏置机构484的第二通孔408。锁定机构480包含锁定部件482、偏置机构484和紧固部件486。在本公开的各方面中,紧固部件486包含螺钉,但可以设想其它紧固部件。锁定部件482具有包含近端部分490a和远端部分490b的弹性臂490。近端部分490a界定第一孔492,且远端部分490b包含具有邻接表面494a的邻接部件494。通过将螺钉486插入穿过砧座402的侧凸缘444中的通孔406和锁定部件482的近端部分490a中的孔492且将螺钉486紧固到砧座402的内表面,锁定部件482的近端部分490a以悬臂方式紧固到砧座402的侧凸缘444中的一个的内壁。臂490包含厚度减小的中心部分490c,其允许臂490从未变形锁定位置(图24)向外弯曲到变形解锁位置(图26)。
偏置机构484包含柱484a和偏置部件484b。柱484a延伸穿过砧座402中的第二通孔408且支撑偏置部件484b。在本公开的各方面中,偏置部件484b包含螺旋弹簧,所述螺旋弹簧定位在柱484a的周围且与锁定部件482的邻接部件494啮合以朝向锁定位置推动锁定部件482的臂490。
图23和24说明工具组件400,其中砧座402处于夹持位置,且锁定机构480处于解锁位置。当砧座402在缝合装置10的击发之前移动到夹持位置(图24)时,邻接部件494啮合刀120的切割部件124以对抗偏置部件484b向夹持部件152的远端挡板表面172的外侧的推动偏转邻接部件494。在此位置中,夹持部件152可沿着驱动螺钉150从其缩回位置朝向其推进位置移动以移动致动滑块112和刀120穿过钉仓106以将缝钉114从钉仓106射出且切割夹持在砧座402与钉仓106之间的组织。
图25和26说明工具组件400,其中砧座402处于夹持位置且锁定机构480处于锁定位置。在击发缝合装置10(图1)之后,致动滑块112和刀120(图26)保留在钉仓106的远端部分中。当夹持部件152返回到其缩回位置时,锁定部件482的由偏置部件484b推动的弹性臂490朝内弯曲到其未变形位置以将邻接表面494a定位成与夹持部件152的远端挡板表面172对准。在此位置中,锁定部件482防止夹持部件152在工具组件400内的再次推进。
图27至34说明工具组件500(图30),其包含通常展示为砧座502和锁定机构580的缝合装置10(图1)的砧座和锁定机构的替代版本。图27和28说明砧座502和锁定机构580。砧座502大体上类似于砧座102(图7),不同之处在于砧座502界定定位在砧座502的中心刀槽516的相对侧上的第一通孔510和第二通孔512(图28)。通孔510和512中的每一个大体上为矩形。在本公开的一些方面中,砧座502界定第一通孔510的每一侧上的圆形凹槽514。
锁定机构580包含锁定部件582、锁定板584、第一偏置部件586、第二偏置部件588和枢转部件590。锁定板584包含主体584a,所述主体584a包含延伸穿过砧座502的第一通孔510的U形夹592和延伸穿过第二通孔512的引导部件594。主体584a收纳在凹槽596(图30)内,所述凹槽596界定在砧座502的外表面中且可在升高位置与降低位置之间移动。
可呈杆形式的锁定部件582具有可枢转地耦合到锁定板584的U形夹592的第一末端和界定具有邻接表面598a的邻接部件598的第二末端。锁定部件582可在解锁位置(图31)与锁定位置(图34)之间移动,在所述解锁位置中,邻接部件598在夹持部件152外侧间隔开,在所述锁定位置中,邻接部件598与夹持部件152的远端挡板表面172对准以阻止夹持部件152的推进。第二偏置部件588收纳在砧座502中的圆形凹槽514(图27)中且啮合枢转部件590以将锁定板584推向砧座502的外表面中的凹槽596(图30)内的其降低位置(图34)。在本公开的各方面中,第二偏置部件588包含螺旋弹簧。第一偏置部件586包含扭力弹簧且与锁定部件582啮合以围绕枢转部件590朝向其锁定位置枢转锁定部件582。
图29至31说明工具组件500,其中砧座502处于夹持位置且锁定机构580处于解锁位置。在解锁位置中,锁定部件582的邻接部598与刀120啮合以防止锁定部件582移动到锁定位置。锁定部件582的邻接部件594与刀120的啮合还防止第二偏置部件588将锁定机构的锁定板584移动到其降低位置。当锁定板584处于其升高位置时,向临床医生通知钉仓106的刀120和致动滑块112(图29)处于其缩回位置,且钉仓尚未击发。
图32至34说明工具组件500,其中砧座502处于夹持位置且锁定机构580处于与锁定位置。在击发缝合装置10(图1)之后,致动滑块112和刀120(图29)保留在钉仓106的远端部分中。因此,当夹持部件152缩回到锁定部件582的邻接部件598的近端位置时,锁定部件582推动到其锁定位置,在所述锁定位置中,邻接部件598的邻接表面598a与夹持部件152的远端挡板表面172对准且定位在其远端以防止夹持部件152在工具组件500内向远端移动。偏置部件588还使锁定板584在图32中的箭头“A”的方向上向下移动到降低位置,以向临床医生指示致动滑块112和刀120(图29)未定位在钉仓506的近端部分中,且缝合装置10(图1)未准备好击发。
如上所述,所公开的锁定机构中的每一个都支撑在缝合装置的工具组件的砧座上。通过将锁定机构定位在砧座上,锁定机构保留在锁定位置,直到工具组件移动到夹持位置,而不是在钉仓插入缝合装置的钉仓组件时。
本领域技术人员将理解,在本文具体描述且在附图中示出的装置和方法是非限制性的示例性实施例。据设想,在不脱离本公开的范围的情况下,结合一个示例性实施例说明或描述的元件和特征可与另一个示例性实施例的元件和特征组合。同样,本领域技术人员将基于上述实施例了解本公开的其它特征和优点。因此,除了由所附权利要求指示之外,本公开不受已特别展示和描述的内容的限制。
Claims (20)
1.一种外科缝合装置,其包括:
细长主体,其具有近端部分和远端部分;
工具组件,其支撑在所述细长主体的所述远端部分上,所述工具组件包含:
钉仓组件,其包含沟道部件和钉仓,所述钉仓可拆卸地收纳在所述沟道部件内且包含仓主体、钉和致动滑块组件,所述致动滑块组件包含致动滑块和支撑在所述致动滑块上的刀,所述致动滑块组件能够在缩回位置与推进位置之间移动穿过所述仓主体;
砧座,其耦合到所述钉仓组件,使得所述工具组件能够在打开位置与夹持位置之间移动,所述砧座包含砧座主体;以及
锁定机构,其支撑在所述砧座上,所述锁定机构包含锁定部件,所述锁定部件能够响应于所述工具组件从所述打开位置到所述夹持位置的移动而在锁定位置与解锁位置之间移动;以及
驱动组件,其包含夹持部件,所述夹持部件能够相对于所述工具组件在缩回位置与推进位置之间移动,其中所述锁定部件定位成防止所述夹持部件在所述锁定位置中从所述缩回位置移动到所述推进位置。
2.根据权利要求1所述的外科缝合装置,其中所述锁定部件偏置到所述锁定位置。
3.根据权利要求2所述的外科缝合装置,其中当所述致动滑块组件处于其缩回位置时,所述锁定部件啮合所述致动滑块组件以将所述锁定部件保持在所述解锁位置中。
4.根据权利要求1所述的外科缝合装置,其中所述锁定机构包含枢转部件,所述枢转部件将所述锁定部件可枢转地紧固到所述砧座主体。
5.根据权利要求4所述的外科缝合装置,其中所述锁定机构包含用于朝向所述锁定位置推动所述锁定部件的偏置部件。
6.根据权利要求5所述的外科缝合装置,其中所述偏置部件包含扭力弹簧。
7.根据权利要求5所述的外科缝合装置,其中所述锁定机构包含销钉,所述销钉延伸穿过所述砧座主体且啮合所述锁定部件以防止所述锁定部件向外移动。
8.根据权利要求1所述的外科缝合装置,其中所述锁定部件以悬臂方式紧固到所述砧座主体且包含弹性臂,所述弹性臂能够变形以将所述锁定部件从所述锁定位置移动到所述解锁位置。
9.根据权利要求8所述的外科缝合装置,其中所述锁定机构包含偏置机构,所述偏置机构支撑在所述砧座主体上且定位成朝向所述锁定位置推动所述锁定部件的臂。
10.根据权利要求9所述的外科缝合装置,其中所述偏置机构包含柱和围绕所述柱定位的螺旋弹簧,所述螺旋弹簧与所述锁定部件的所述臂啮合以朝向所述锁定位置推动所述锁定部件。
11.根据权利要求1所述的外科缝合装置,其中所述锁定机构包含锁定板,且所述锁定部件和所述砧座主体界定第一通孔和第二通孔,所述锁定板包含U形夹和引导部件,所述U形夹延伸穿过所述第一通孔且可枢转地耦合到所述锁定部件,所述引导部件延伸穿过所述第二通孔,所述锁定部件能够在所述锁定位置与所述解锁位置之间枢转。
12.根据权利要求11所述的外科缝合装置,其中所述砧座主体包含界定凹槽的外表面,且所述锁定板收纳在所述凹槽内且能够在升高位置与降低位置之间移动,所述升高位置对应于所述锁定部件的所述锁定位置,且所述降低位置对应于所述锁定板的所述解锁位置。
13.根据权利要求12所述的外科缝合装置,其中所述锁定机构包含定位成朝向所述降低位置推动所述锁定板的第一偏置部件。
14.根据权利要求13所述的外科缝合装置,其中所述锁定机构包含定位成朝向所述锁定位置推动所述锁定部件的第二偏置部件。
15.一种砧座组件,其包括:
砧座,其包含砧座主体,所述砧座主体具有界定钉形成凹座和中心刀槽的钉形成表面,所述钉形成凹座定位在所述中心刀槽的相对侧上;以及
锁定机构,其支撑在所述砧座主体上,所述锁定机构包含能够在锁定位置与解锁位置之间移动的锁定部件。
16.根据权利要求15所述的砧座组件,其中朝向所述锁定位置推动所述锁定部件。
17.根据权利要求16所述的砧座组件,其中所述锁定机构包含枢转部件,所述枢转部件将所述锁定部件可枢转地紧固到所述砧座主体。
18.根据权利要求16所述的砧座组件,其中所述锁定部件以悬臂方式紧固到所述砧座主体且包含弹性臂,所述弹性臂能够变形以将所述锁定部件从所述锁定位置移动到所述解锁位置。
19.根据权利要求16所述的砧座组件,其中所述锁定机构包含锁定板和所述锁定部件,且所述砧座主体界定第一通孔和第二通孔,所述锁定板包含U形夹和引导部件,所述U形夹延伸穿过所述第一通孔且可枢转地耦合到所述锁定部件,所述引导部件延伸穿过所述第二通孔,所述锁定部件能够在所述锁定位置与所述解锁位置之间枢转。
20.根据权利要求19所述的砧座组件,其中所述砧座主体包含界定凹槽的外表面,且所述锁定板收纳在所述凹槽内且能够在升高位置与降低位置之间移动,所述升高位置对应于所述锁定部件的所述锁定位置,且所述降低位置对应于所述锁定板的所述解锁位置。
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- 2021-12-10 CN CN202111505578.9A patent/CN114711867A/zh active Pending
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EP4023166A2 (en) | 2022-07-06 |
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