CN1795831A - 鸭嘴密封保护器 - Google Patents

鸭嘴密封保护器 Download PDF

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CN1795831A
CN1795831A CNA2005101301897A CN200510130189A CN1795831A CN 1795831 A CN1795831 A CN 1795831A CN A2005101301897 A CNA2005101301897 A CN A2005101301897A CN 200510130189 A CN200510130189 A CN 200510130189A CN 1795831 A CN1795831 A CN 1795831A
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保罗·T·弗兰厄
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    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
    • A61B2017/3464—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals with means acting on inner surface of valve or seal for expanding or protecting, e.g. inner pivoting fingers

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Abstract

一种用于与套管针组件联用的密封件，包括适于选择性地打开和闭合的密封体和该密封体附近的保护器，用于在器械穿过密封体时保护密封体。该保护器包括至少一个被安装用于枢转运动的翼片，该翼片包括基本上向着密封组件的中心定位的内边缘和被安装到支撑构件上的外边缘，该支撑构件使翼片保持在密封体上方的位置。翼片的形状和尺寸被设置成使密封体的大部分由翼片的轮廓覆盖。

Description

鸭嘴密封保护器
技术领域
本发明涉及一种套管针组件，更具体地说，本发明涉及一种套管针密封组件，其包括使插入的器械与密封体之间的有害接触降到最小的保护器。
背景技术
套管针组件是一种手术器械，其用于获得对体腔的接触。套管针组件通常包括两个主要组成元件：由套管针外壳和套管针插管构成的套管针套管以及套管针闭塞器。套管针插管直接穿过皮肤接触体腔，并且套管针闭塞器插在套管针插管中。一旦接触到体腔，就可进行腹腔镜或者关节镜手术以及内窥镜过程。为了刺穿皮肤，将套管针插管的远端置于事先用手术刀割开的皮肤上。然后用套管针闭塞器刺穿皮肤并进入体腔。通过对闭塞器的近端施加压力，迫使套管针闭塞器锋利的尖端穿过皮肤，直至进入体腔。套管针插管通过由套管针闭塞器形成的穿孔插入，并将套管针闭塞器撤回，而将套管针插管留下作为进入体腔的路径。
套管针插管的近端部分通常与套管针外壳连接，套管针外壳限定了一腔室，该腔室具有与由套管针插管所限定的内腔连通的开放远端部分。套管针闭塞器或者其它细长的手术器械或工具通过由套管针外壳限定的腔室的近端部分沿轴向延伸进入并从套管针插管撤回。
将密封配置或者密封装置与套管针插管和套管针外壳联用来防止内腔镜手术中流体或气体的流出是很常见的。在内腔镜手术过程中，为了成功完成手术，必须保持内部气压。当器械进入和撤出置于腹腔中的套管针套管时，为了保持内部气压，套管针闭塞器和穿过套管针插管的器械都需要密封装置。
密封件还必须提供插入和取出手术器械时的良好的抗扯强度、抗刺扎性(resistance to snagging)以及低摩擦。器械相对于套管针插管的中心轴线成角度的插入和器械尖端的锋利程度是套管针密封失败的驱动因素。这两个因素可导致密封材料的“隆起”(tenting)。一旦产生隆起，穿刺器械持续的远侧运动将导致密封件的扯裂。
因此，当闭塞器或器械穿过套管针插管时，需要一种能够保护密封件的保护器。具体地说，需要存在一种保护器，其可与套管针组件中常用的鸭嘴密封件联用。本发明提供了这种保护器。
发明内容
因此，本发明的一个目的在于提供一种与套管针组件联用的密封件。该密封件包括一个适于选择性地开启和闭合密封件的密封体和一个该密封体附近的保护器，用于保护密封体，防止器械穿过密封体。保护器包括至少一个安装用于枢转运动的翼片，该翼片包括一个通常向着密封件的中心定位的内边缘，以及一个外边缘，其被安装到一支撑构件上，该支撑构件将翼片保持在密封体上方的位置。翼片的形状和尺寸被设置成使密封体的大部分被翼片的轮廓覆盖。
本发明的另一目的在于提供一种套管针组件，其包括具有近端及远端的套管针插管。套管针外壳与套管针插管的近端相联接，用于收纳并引导闭塞器穿过套管针插管。套管针外壳包括开口的近端部分，其限定了设有密封组件的开口，该密封组件包括保护器，用于在器械穿过时，保护密封组件的密封体。保护器包括至少一个用于枢转运动的翼片，该翼片包括通常向着密封件的中心定位的内边缘，以及被安装到一支撑构件上的外边缘，该支撑构件将翼片保持在密封体上方的位置。翼片的形状和尺寸被设置成使密封体的大部分被翼片的轮廓覆盖。
本发明的又一目的在于提供一种套管针组件，其包括具有近端及远端的套管针插管。套管针外壳与套管针插管的近端相联接，用于收纳并引导闭塞器穿过套管针插管。套管针外壳包括开口近端部分，其限定了设有近侧密封组件和远侧密封组件的开口。该密封组件包括保护器，用于在器械穿过时，保护密封组件的密封体。保护器包括至少一个用于枢转运动的翼片。该翼片包括通常向着密封件的中心定位的内边缘，以及被安装到一支撑构件上的外边缘，该支撑构件将翼片保持在密封体上方的位置，其中翼片的形状和尺寸被设置成使密封体的大部分被翼片的轮廓覆盖。
(1)本发明涉及一种用于与套管针组件联用的密封件，包括：
密封体，适于选择性地打开和闭合；
密封体附近的保护器，用于在器械穿过密封体时保护密封体；所述保护器包括：
至少一个翼片，其被安装以便枢转运动，该翼片包括基本上朝着密封件的中心定位的内边缘和安装到支撑构件上的外边缘，该支撑构件使翼片保持位于密封体上方的位置，其中翼片的形状和尺寸被设置成使密封体的大部分由翼片的轮廓覆盖。
(2)根据项目(1)所述的密封件，其中，所述密封件为鸭嘴密封件。
(3)根据项目(1)所述的密封组件，其中，所述保护器包括相对的第一和第二翼片，每个翼片包括基本上朝着密封件的中心定位的内边缘和安装到支撑构件上的外边缘，该支撑构件使翼片保持位于密封体的上方。
(4)根据项目(3)所述的密封组件，其中，所述支撑构件为支撑环，该支撑环的形状和尺寸被设置成以允许第一和第二翼片定位于密封件的上方的方式定位在套管针组件内。
(5)根据项目(3)所述的密封组件，其中，第一和第二翼片的相应外边缘被以如下所述的方式分别铰接到支撑构件上，即，允许第一和第二翼片按穿过套管针组件的器械的运动的要求，向下和向上偏转。
(6)根据项目(1)所述的密封组件，其中，所述翼片包括朝向密封体的下侧，所述翼片的所述下侧包括凸起表面，该凸起表面在器械插入过程中与密封体接触，以迫使密封体离开其位置到这样一种程度，即，器械可穿过密封体中心的密封开口。
(7)本发明还涉及一种套管针组件，包括：
包括近端和远端的套管针插管；以及
套管针外壳，其与套管针插管的近端相连，用于收纳并引导闭塞器穿过套管针插管，该套管针外壳包括限定了设有密封组件的开口的开口近端部分，该密封组件包括保护器，用于在器械穿过密封体时保护密封组件的密封体；该保护器包括至少一个被安装以便枢转运动的翼片，该翼片包括基本上朝着密封件的中心定位的内边缘和安装到支撑构件上的外边缘，该支撑构件使翼片保持位于密封体上方的位置，其中翼片的形状和尺寸被设置成使密封体的大部分由翼片的轮廓覆盖。
(8)根据项目(7)的套管针组件，其中，密封组件为鸭嘴密封组件。
(9)根据项目(7)的套管针组件，其中，所述保护器包括相对的第一和第二翼片，每个翼片包括基本上朝着密封体的中心定位的内边缘和安装到支撑构件上的外边缘，该支撑构件使翼片保持位于密封体的上方。
(10)根据项目(9)的套管针组件，其中，所述支撑构件为支撑环，该支撑环的形状和尺寸被设置成以允许第一和第二翼片定位于密封体的上方的方式定位在套管针组件内。
(11)根据项目(9)的套管针组件，其中第一和第二翼片的相应外边缘被以如下所述的方式分别铰接到支撑构件上，即，允许第一和第二翼片按穿过套管针组件的器械的运动的要求，向下和向上偏转。
(12)根据项目(7)的套管针组件，其中所述翼片包括朝向密封体的下侧，所述翼片的所述下侧包括凸起表面，该凸起表面在器械插入过程中与密封体接触，以迫使密封体离开其位置到这样一种程度，即，器械可穿过密封体中心的密封开口。
(13)本发明进一步涉及一种套管针组件，包括：
包括近端和远端的套管针插管；以及
套管针外壳，其与套管针插管的近端相连，用于收纳并引导闭塞器穿过套管针插管，该套管针外壳包括限定了设有近侧密封组件和远侧密封组件的开口的开口近端部分，该远侧密封组件包括保护器，用于在器械穿过密封体时保护密封组件的密封体；该保护器包括至少一个被安装以便枢转运动的翼片，该翼片包括基本上朝着密封件的中心定位的内边缘和安装到支撑构件上的外边缘，该支撑构件使翼片保持位于密封体上方的位置，其中翼片的形状和尺寸被设置成使密封体的大部分由翼片的轮廓覆盖。
(14)根据项目(13)的套管针组件，其中所述远侧密封组件为鸭嘴密封组件。
(15)根据项目(13)的套管针组件，其中所述保护器包括相对的第一和第二翼片，每个翼片包括基本上朝着密封件的中心定位的内边缘和安装到支撑构件上的外边缘，该支撑构件使翼片保持位于密封体的上方。
(16)根据项目(15)的套管针组件，其中所述支撑构件为支撑环，该支撑环的形状和尺寸被设置成以允许第一和第二翼片定位于密封件的上方的方式定位在套管针组件内。
(17)根据项目(15)的套管针组件，其中第一和第二翼片的相应外边缘被以如下所述的方式分别铰接到支撑构件上，即，允许第一和第二翼片按穿过套管针组件的器械的运动的要求，向下和向上偏转。
(18)根据项目(13)的套管针组件，其中所述翼片包括朝向密封体的下侧，所述翼片的所述下侧包括凸起表面，该凸起表面在器械插入过程中与密封体接触，以迫使密封体离开其位置到这样一种程度，即，器械可穿过密封体中心的密封开口。
当结合解释本发明的一些实施例的附图阅读时，通过下列详细描述，本发明的其它目的和优点将更为明显。
附图说明
图1是根据本发明的套管针组件的分解图。
图2是根据本发明的保护器的顶部透视图。
图3是图2所示保护器的俯视图。
图4是图2所示保护器的侧视图。
图5和6分别示出了有无套管针闭塞器在其中延伸穿过时的套管针外壳的剖视图。
具体实施方式
这里对本发明的详细实施例进行描述。然而，应理解的是，这些公开的实施例仅仅作为可以多种形式体现的本发明的例证。因此，这里公开的细节不应被解释为限制，而是仅仅作为权利要求书的基础，以及作为指导本领域普通技术人员如何制造和/或使用本发明的基础。
参照图1至6，公开了根据本发明的用于鸭嘴密封组件12的保护器10。当套管针闭塞器16和器械穿过套管针外壳22和套管针插管20时，通过保护密封体14避免与它们直接接触，保护器10提供了改进的抗扯强度。
保护器10适于与用于微创内窥镜手术过程(包括但不限于腹腔镜和关节镜手术过程)的低成本手术套管针组件18。这种手术套管针组件是一次性的，并且一个装置仅仅用于一个患者。
除包括根据本发明的保护器10的鸭嘴密封组件12以外，套管针组件18的常规结构不形成本发明的部分。例如，通过解释本发明的鸭嘴密封组件10，套管针组件18可采取本领域普通技术人员公知的各种形式。
记住这一点，作为例子，套管针组件18包括套管针插管20、套管针闭塞器16以及套管针外壳(或手柄)22。套管针插管20限定一内腔，该内腔具有一开口的远端部分和一开口的近端部分。所述近端部分延伸进入并安装于套管针外壳22的远端部分中。套管针外壳22具有一开口的近端部分，该近端部分限定了其中定位有近侧密封组件24的开口。鸭嘴密封组件12定位于近侧密封组件24的下方，用于选择性地密封套管针外壳22的开口。
套管针闭塞器16可滑动并可取出地在套管针插管20内延伸。套管针闭塞器16插入套管针外壳22和套管针插管20中，并延伸穿过近侧密封组件24和鸭嘴密封组件12。在套管针闭塞器16的近端设置一个闭塞器手柄16a，并在其远端形成一个锋利的尖端或刃16b。如同本领域公知的那样，近侧密封组件24与套管针闭塞器16或者其它延伸穿过套管针插管20的手术器械合作，以与套管针插管的外表面密封地结合，并由此避免流体经由套管针外壳22流过
如上所述，鸭嘴密封组件12支撑于近侧密封组件24的下方。根据本发明的优选实施例的鸭嘴密封组件12包括第一和第二密封体28和30，它们从形状及尺寸设置为适于安装在套管针外壳22中的周向凸缘构件32延伸。每个第一及第二密封体28、30包括上表面和下表面。当第一及第二密封体28和30沿着其整个长度保持基本上一致的厚度时，除在鸭嘴密封体的上表面通常采用的肋以外，上表面和下表面通常为镜像关系。
如上所述，密封组件12设有定位在密封体28、30附近的保护器10，用于在套管针闭塞器16和器械穿过套管针插管20时保护密封体28、30。保护器10起到这样一种作用，即，保护鸭嘴密封组件12的密封体28、30避免由锋利的手术器械穿过套管针外壳22插入而形成的接触或穿透所导致的扯裂。本发明的保护器10提供了在腹腔镜手术过程中保持吹入的增加的可靠性。
按照本发明的优选实施例的保护器10为模制的塑料，例如聚醚氨酯(pellethane)。然而，这并不意味着将保护器10仅仅限定为模制的塑料，保护器10也可由包含用于这里描述的功能的所需特性和特征的任何类型的材料制成。
参见图2、3、4、5及6，更为详细地示出了保护器10。保护器10设计为保护与套管针组件18联用的鸭嘴密封组件12的密封体28、30。保护器10刚好悬挂于密封体28、30的上表面34、36的上方，并由抗扯的材料制成。
保护器10包括两个相对的保护器翼片42、44。第一及第二翼片42、44中的每个包括基本上向着套管针外壳22的中心定位的内边缘46、48，和一个基本上向着套管针外壳22的壁定位的外边缘50、52。第一和第二翼片42、44的外边缘50、52分别与外部支撑构件铰接，按照优选的实施例，该外部支撑构件显示为环54，其围绕第一及第二翼片42、44延伸，并支撑它们。
参照图5及6，外部支撑环54的形状和尺寸设置为以允许第一及第二翼片42、44位于鸭嘴密封组件12的密封体28、30的上方的方式定位于套管针外壳22内。同样地，本领域普通技术人员很容易理解，在不背离本发明的精神的情况下，可对外部支撑环54及第一和第二翼片42、44进行变化，以与不同的套管针组件结构联用。尽管按照本发明的优选实施例的保护器设计为与仅仅具有两个翼片的鸭嘴密封件联用，本领域普通技术人员能够理解，本发明的构思可应用于采用两个以上翼片的结构中。此外，在不背离本发明的精神的情况下，本发明的构思可应用于各种鸭嘴密封件，例如那些呈十字形的鸭嘴密封件。将第一及第二翼片42、44连接到外部支撑环54上的铰链55、56允许第一及第二翼片42、44按穿过套管针插管20和套管针外壳22插入的器械的运动的要求向下和向上偏转。例如，在器械插入过程中要求向下偏转，在抽出过程中需要向上偏转。
保护器翼片42、44的形状和尺寸设置为使密封体28、30的对应上表面34、36的大部分由保护器翼片42、44的轮廓覆盖。在器械(例如，套管针闭塞器16)插入过程中，如图6所示，通过用凸起部将密封体28、30顶离原来的位置到这样一种程度，即器械可穿过鸭嘴密封组件12中心的狭缝57，保护器翼片42、44保护鸭嘴密封组件12的密封体28、30不被扯裂。通过沿着第一及第二翼片42、44的底侧设置凸出表面58、60可实现这一点。凸出表面58、60的形状和尺寸设置为当器械向着第一及第二密封体28、30运动并经过保护器10时，迫使密封组件12朝向打开的结构。保护器10不打开鸭嘴密封组件12的密封体28、30，直到器械与保护器10接触，此时保护器10将力传送到密封体28、30上，由此在与器械直接接触之前打开鸭嘴密封组件12。结果，减少了与器械的直接接触，同样减小了扯裂的可能性。
根据优选实施例，本发明的保护器10被连接到套管针外壳22的外部密封基底62的下侧上。更具体地说，外部支撑环54位于在套管针外壳22的外部密封基底62的下侧中形成的凹槽64内。通过将外部支撑环54压配合到狭槽64中，以使外部支撑环54陷入其中，外部支撑环54与牢固地连接到其上。尽管在上述公开了将本发明的保护器10安装于套管针外壳22上的优选机制，本领域普通技术人员能够理解，在不背离本发明的精神的情况下，可采用各种机制来安装保护器10。
应当注意，保护器10的第一及第二翼片42、44不需要覆盖鸭嘴密封组件12的密封体28、30的整个表面直到密封组件12的中心径。完全覆盖是不需要的，因为在中心附近与未受保护的鸭嘴密封体28、30接触的器械仅仅穿过鸭嘴密封组件12，而不会以可能导致其损害的方式与密封体28、30接触。然而，器械与鸭嘴密封组件12的接触离密封组件的周边越近，密封体28、30“隆起”并被扯裂的可行性就越大。因此，朝鸭嘴密封组件12得中心需要更少的保护，而在其周边需要更多保护。保护器10的第一及第二翼片42、44保护密封体28、30至沿着密封体28、30的表面的未限定的点，在此器械的接触可能导致扯裂。
尽管显示的构思具有单独的保护器，该设计也可采用多个单独的保护器来进行。尽管保护器不需要完全保护到密封体会合的中心，如果需要，也可以提供保护。
尽管已经示出并描述了优选实施例，应当理解，并不意味着通过这种公开而对本发明进行限制，而是想要覆盖所有落入如同后附权利要求书中限定的本发明的精神和范围内的修改和可选择的结构。

Claims (7)

1.一种用于与套管针组件联用的密封件，包括：
密封体，适于选择性地打开和闭合；
密封体附近的保护器，用于在器械穿过密封体时保护密封体；所述保护器包括：
至少一个翼片，其被安装以便枢转运动，该翼片包括基本上朝着密封件的中心定位的内边缘和安装到支撑构件上的外边缘，该支撑构件使翼片保持位于密封体上方的位置处，其中翼片的形状和尺寸被设置成使密封体的大部分由翼片的轮廓覆盖。
2.根据权利要求1所述的密封件，其特征在于，所述密封件为鸭嘴密封件。
3.根据权利要求1所述的密封件，其特征在于，所述保护器包括相对的第一和第二翼片，每个翼片包括基本上朝着密封件的中心定位的内边缘和安装到支撑构件上的外边缘，该支撑构件使翼片保持位于密封体的上方。
4.根据权利要求3所述的密封件，其特征在于，所述支撑构件为支撑环，该支撑环的形状和尺寸被设置成以允许第一和第二翼片定位于密封件的上方的方式定位在套管针组件内。
5.根据权利要求3所述的密封件，其特征在于，第一和第二翼片的相应外边缘被以如下所述的方式分别铰接到支撑构件上，即，允许第一和第二翼片按穿过套管针组件的器械的运动的要求，向下和向上偏转。
6.根据权利要求1所述的密封件，其特征在于，所述翼片包括朝向密封体的下侧，所述翼片的下侧包括凸起表面，该凸起表面在器械插入过程中与密封体接触，以迫使密封体离开其位置到这样一种程度，即，器械可穿过密封体中心的密封开口。
7.一种套管针组件，包括：
包括近端和远端的套管针插管；以及
套管针外壳，其与套管针插管的近端相连，用于收纳并引导闭塞器穿过套管针插管，该套管针外壳包括限定了设有密封组件的开口的开口近端部分，该密封组件包括保护器，用于在器械穿过密封体时保护密封组件的密封体；该保护器包括至少一个被安装以便进行枢转运动的翼片，该翼片包括基本上朝着密封件的中心定位的内边缘和安装到支撑构件上的外边缘，该支撑构件使翼片保持位于密封体上方的位置处，其中翼片的形状和尺寸被设置成使密封体的大部分由翼片的轮廓覆盖。
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CN102421472A (zh) * 2009-05-07 2012-04-18 贝克顿迪金森法国公司 用于带有凸缘的容器的支承套管
CN102421472B (zh) * 2009-05-07 2013-10-23 贝克顿迪金森法国公司 用于带有凸缘的容器的支承套管
CN102510739A (zh) * 2009-05-19 2012-06-20 Ab医疗股份公司 用于套管针的充填器以及相关套管针
CN102573675A (zh) * 2009-05-19 2012-07-11 Ab医疗股份公司 套管针
CN102008342A (zh) * 2010-09-30 2011-04-13 苏州天臣国际医疗科技有限公司 新型密封组件
CN103142292A (zh) * 2011-12-07 2013-06-12 苏州天臣国际医疗科技有限公司 穿刺器的密封件
CN103142292B (zh) * 2011-12-07 2015-04-15 苏州天臣国际医疗科技有限公司 穿刺器的密封件
CN104284621A (zh) * 2012-02-29 2015-01-14 加图立大学校产学协力团 用于结肠镜检查的辅助工具
CN107635618A (zh) * 2015-03-10 2018-01-26 B.布劳恩梅尔松根股份公司 带有流量控制阀机构的导管组件和相关方法
CN113288352A (zh) * 2016-07-11 2021-08-24 康美公司 用于在机器人辅助腹腔镜外科手术中使用的套管组件包
CN112384277A (zh) * 2018-05-15 2021-02-19 直观外科手术操作公司 器械密封件
CN112384277B (zh) * 2018-05-15 2022-10-21 直观外科手术操作公司 器械密封件

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AU2005244553A1 (en) 2006-07-06
US7163525B2 (en) 2007-01-16
RU2005139540A (ru) 2007-06-27
CN100506178C (zh) 2009-07-01
CA2529770A1 (en) 2006-06-17
BRPI0505596A (pt) 2006-09-12
KR20060069333A (ko) 2006-06-21
CA2529770C (en) 2014-02-11
RU2391060C2 (ru) 2010-06-10
EP1671596A1 (en) 2006-06-21
US20060135978A1 (en) 2006-06-22
JP5279986B2 (ja) 2013-09-04
JP2006167474A (ja) 2006-06-29
AU2005244553B2 (en) 2010-07-22

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