CN1951518A - 肠流体输送装置用连接器 - Google Patents

肠流体输送装置用连接器 Download PDF

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CN1951518A
CN1951518A CNA2006101360936A CN200610136093A CN1951518A CN 1951518 A CN1951518 A CN 1951518A CN A2006101360936 A CNA2006101360936 A CN A2006101360936A CN 200610136093 A CN200610136093 A CN 200610136093A CN 1951518 A CN1951518 A CN 1951518A
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P·J·M·达利
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Kandele Health 529 Co ltd
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Abstract

用于将营养液容器连接到肠供给管以将营养液提供给患者的连接器，该连接器包括一体形成的刺针，该刺针伸入到由该连接器的主体的内表面限定的腔中；与该腔连通的空气通道贯穿该刺针至该连接器的外面；将过滤器固定到该通道的连接器外的一端；该连接器的主体是独立结构，既限定该液体通道的任何部分，又形成为用于刺透该容器的可刺透密封层。

Description

肠流体输送装置用连接器
技术领域
本发明总体上涉及一种肠流体输送装置用连接器，尤其涉及具有贯穿一体形成的刺针的空气通道的连接器。
背景技术
在用于患者的肠流体输送装置中，需要提供会实现流体输送装置与预先装填的箔密封容器的快速连接的连接器，该容器容纳肠营养液。在这种系统中，连接器优选是盖的形式，该盖代替预先装填的容器上的运输盖。盖或者肠流体输送装置包括用于穿孔容器上的箔密封层的刺针构件。盖具有流体连接该容器与该输送装置的供给管的液体通道和随着液体从容器中流出而将空气导入到该容器中的空气通道。过滤器被放置在空气通道中以抑制细菌进入该容器。
在一种传统连接器中，液体通道穿过刺针构件形成。该布置简化了安建程序；然而，当刺针穿孔密封层时，有时部分被刺破的密封层可能卡在液体通道中或者密封层可能向上折进该通道从而抑制液体流动。
在另一种传统连接器中，空气通道不伸入连接器的内部，并且在使用过程中，空气通道的入口靠近密封层。某些现有刺针装置不能提供足够大的穿过箔密封层的开口，并且密封层可能会卡在气体通道中，从而可能引起供给容器的破裂。
发明内容
在本发明的一个方面，提供了用于将营养液的容器连接到肠供给管以将该营养液提供给患者的连接器，该连接器大体包括具有内表面和外表面的主体，该内表面限定用于接纳容器出口的腔。液体通道被限定在该主体中。该液体通道具有与该腔流体连通的第一端和第二端，在连接器被安装在容器上时，该第二端用于连接到该肠供给管以流体连接容器和肠供给管。刺针与该主体一体形成。该刺针具有伸入到该腔中的自由端，该自由端用于随着该容器出口被接纳在该腔中而刺透包覆该容器出口的可刺透密封层。在连接器被安装到该容器时，空气通道贯穿该刺针至该主体的外表面，用于将空气从该连接器外面引导到该容器内。该主体是独立结构，既限定该液体通道的任何部分又形成为用于刺透该容器的可刺透密封层。
将在以下部分清楚并指出其它目标和特征。
附图说明
图1是根据本发明的示教构造的用于将肠营养液容器连接到肠供给管的连接器的透视图；
图2是该连接器的垂直截面图；
图3是咬合入小出口容器并安装到肠供给管的连接器的竖直截面图；
图4是螺纹连接到大出口容器并安装到肠供给管的连接器的竖直截面图；
图5是大出口容器、连接器和肠供给管的分解透视图；
图6是连接器的仰视图；
图7是去掉了一部分连接器主体的连接器的主视图，以显示该连接器的刺针；
图8是去掉了一部分连接器主体的连接器的侧视图，以显示该刺针；以及
图9是带有从连接器分解下来的过滤器和用于过滤器的安装架的连接器的侧视图，侧视图部分剖开以图解内部构造。
所有附图中，相同的附图标记表示相同的部分。
具体实施方式
现在参照附图，特别是参照图1-图2，用于将营养液容器连接到肠供给管的连接器总体由附图标记10表示。该连接器包括总体由附图标记12表示的主体，如以下更详细所述(图3-图5)，该主体具有限定用于接纳容器出口的腔16的内表面14(图2)。主体12具有圆筒状下部18和从该下部的顶面22向上伸出的较小圆筒状上部20。
参照图3-图5，腔16被成形为用于接纳不同类型的容器。如图3所示，将在上部20处的腔16的尺寸和形状形成为用于咬合地接纳容器26的较小出口24。在上部20处的内表面14可弹性变形以允许刚性地咬合构件27(例如，围绕出口24延伸的凸缘)咬合到该上部中。
如图4所示，将下部18处的腔16的尺寸和形状形成为可螺纹地接纳容器30的相对较大出口28。连接器10的下部18处的内表面14包括凸出内螺纹32，用于安装到围绕容器30的出口28延伸的外螺纹33。下部18处腔16的深度D(图2)在约0.55英寸(1.40cm)和0.71英寸(1.8cm)之间。该深度D使连接器10安装到具有不同尺寸的颈部的容器30并提供与不同容器更可靠的连接。此外，下部18的内螺纹32具有在约0.047英寸(0.12cm)和约0.043英寸(0.11cm)之间的厚度T1(高度)。在将连接器10螺纹连接在容器30上时，围绕下部18处的主体12的外表面设置的凸梭34(图1)向使用者提供足够的抓握力。连接器10可以配置成以不脱离本发明范围的其它方式安装到容器出口。而且，连接器10可以配置成仅安装到一种类型的容器，例如带螺纹的容器或者咬合装配的容器，或者连接器可以配置成安装到多于两种类型的容器。
参照图2-图4，液体通道38贯穿主体12的上部20并与腔16流体连通。尽管考虑到该液体通道可以伸入该腔，液体通道38的开口40与主体12的内表面14的上表面部分42基本齐平(即，该液体通道不伸入腔16)。在所示出的实施例中，上表面部分42基本是平的。液体通道38也贯穿导管44，该导管44从上部20处的主体12的外表面向处伸出。导管44具有凸出外螺纹46，用于安装到肠供给管54的内螺纹接头52(图3-图5)。导管44的外螺纹46具有介于约0.043英寸(0.11cm)和约0.02英寸(0.06cm)之间的厚度T2。将肠供给管54连接到连接器10的其它方式包括利用干涉装配都落在本发明的范围内。
如图3-图5所示，当组装时，通过在容器上螺纹连接(如图4和图5所示)或者装配连接器(图3)来将连接器10固定到各容器26、30的出口24、28。带螺纹的接头52被拧到连接器10的导管44上。因此，当组装好时，连接器10将肠供给管54流体连接至所安装的容器26、30。
参照图2-图7，与主体12一体形成的、总体由附图标记58表示的大体细长的刺针从主体的上表面部分42伸入到腔16中。刺针58距主体12的中心轴线AB一距离S1(图2)，距液体通道38的开口40的纵向轴线AO一距离S2(图2)。刺针58成形为刺透包覆容器26、30的出口24、28的可刺透密封层60(例如，箔密封层)(图3-图5)，以允许营养液流出容器。如图6中最清楚地示出，刺针58具有在其长度LS(图7)之间延伸的一对相对的窄侧面63A、63B和一对相对的宽侧面63C、63D。
参照图6和图7，刺针58的底面62(即，该刺针的自由端)大体是平的。如图7所示，底面62从窄侧面63A(广泛地，第一窄侧面)向相对的窄侧面63B(广泛地，第二窄侧面)倾斜，使得该底面位于与主体12的中心轴线AB以角度θ1相交的平面内。底面62的倾斜构造形成用于刺透带螺纹的容器30的密封层60的尖端64。如图8所示，底面62也从宽面侧63C(广泛地，第一宽面侧)向相对的宽面侧63D(广泛地，第二宽面侧)倾斜，使得该底面位于与主体的中心轴线AB以角度θ2相交的平面内。
参照图7，窄侧面63B从宽侧面63D倾斜到相对的宽侧面63C，沿刺针的长度LS到尖端64限定刀刃66。在密封层60被尖端64刺破之后，随着连接器10在容器26、30的出口24、28上旋转(例如，拧动)，刀刃66切割密封层60。刺针58使较大的(即，大于刺针58的宽度)、通常圆形的开口70穿过密封层，如图3和图4所示。
参照图6-图8，刺针58的宽侧面63D通常是弓形的并在折叠边68处与倾斜的窄侧面63B接合。窄侧面63B向着底面62逐渐变细，使得折叠边68下降或者向着尖端64成一角度。当连接器10在容器26、30上旋转时，刀刃66切割密封层60并形成限定开口70的箔切口边69(图3和图4)。参照图3和图4，当连接器10继续旋转时，刺针58的折叠边68折叠密封层60的箔切口边69以使其远离密封层60中的开口70和液体通道38的开口40，从而箔切口边将不会挡住开口。
参照图2-图4，空气通道72从腔16贯穿刺针58和主体12的上部20。液体离开容器时在容器26、30内部形成的真空将空气通过空气通道72吸入该容器中，由此允许液体通过连接器10的液体通道38持续并自由地流出该容器。尽管该通道可以在沿刺针长度LS的其它位置开口，空气通道72在刺针58的底面62开口，以与腔16连通。
参照图2-图4和图9，空气通道72与总体由附图标记74表示的过滤器安装架流体连接，该过滤器安装架74从上部20处的主体12的外表面向外突出。过滤器安装架74包括大圆柱状开口76(图2)，该大开口76具有大体上横过主体12的中心轴线AB延伸的纵向轴线ACO。在大开口76内设置的管状管道78在大开口76内总体同轴地延伸。如图2所示，管道78具有与空气通道72流体连通的第一开口端80和在大开口76内部终止的第二开口端82。大开口76和管道78的外表面限定环状插孔84(图2)，用于与过滤器88的管端86干涉配合(图9)，从而当过滤器被装配在该插孔中时，该过滤器与该管道和空气通道72流体连通。如图1、图3和图4所示，当空气过滤器88被接纳在过滤器安装架74中时，该过滤器的过滤介质90伸到该安装架外。
除空气过滤器88之外，整个连接器10可以由原材料通过例如模塑(例如，喷射模塑法)或者模锻包括镗孔形成而形成为均匀并一体的单元。可选地，连接器10可以由一个元件或者以适当方式紧固在一起的多个分离元件构成。制造连接器10的适当材料包括聚丙烯(例如，聚丙烯535)、聚乙烯以及其它适当的聚合体。可以使用其它材料，并且对于连接器10的分离元件可以使用不同的材料。
当引入本发明或者本发明的优选实施例的元素时，冠词“a”、“an”、“该”和“所述”用于表示存在一个或者多个元素的意思。术语“包括”、“包含”以及“具有”规定为是包含的并且表示除了所列元素外可以存在另外的元素的意思。
考虑到上述说明，将会了解到可以实现本发明的多个目的并获得其它有利结果。由于可以对上述构造、产品以及方法进行各种变化而不脱离本发明的范围，因此，意欲将包含在上述描述和示出在附图中的所有内容解释为示意性的而非限制性的。

Claims (16)

1.一种连接器，该连接器用于将营养液容器连接到肠供给管以将该营养液提供给患者，所述连接器包括：
具有内表面和外表面的主体，所述内表面限定用于接纳所述容器的出口的腔；
限定在该主体中的液体通道，所述液体通道具有与该腔流体连通的第一端和第二端，在所述连接器被安装在该容器上时，所述第二端连接到该肠供给管以流体连接所述容器和所述肠供给管；
与所述主体一体形成的刺针，所述刺针具有伸入到所述腔中的自由端，所述自由端用于在所述容器的出口被接纳在所述腔中时刺透包覆所述容器的出口的可刺透密封层；
贯穿所述刺针至所述主体的外表面的空气通道，用于在所述连接器被安装到该容器时将空气从连接器外面引导到所述连接器内；以及
所述主体是独立结构，既限定所述液体通道的任何部分又形成为用于刺透所述容器的可刺透密封层。
2.如权利要求1所述的连接器，其特征在于，所述液体通道没有任何部分伸入到所述腔中。
3.如权利要求2所述的连接器，其特征在于，所述主体的内表面包括上表面部分，所述液体通道具有与所述上表面部分大体齐平的开口。
4.如权利要求3所述的连接器，其特征在于，所述刺针从所述主体的内表面伸出。
5.如权利要求4所述的连接器，其特征在于，所述刺针与所述内表面上的液体通道开口间隔开。
6.如权利要求3所述的连接器，其特征在于，所述上表面部分基本是平的。
7.如权利要求1所述的连接器，还包括空气过滤器和过滤器安装架，该过滤器安装架设置在所述主体的外表面上与所述空气通道流体连通以将所述空气过滤器连接到所述主体。
8.如权利要求1所述的连接器，其特征在于，所述主体具有圆筒状下部和从该下部伸出的圆筒状上部，在该下部处的内表面具有用于可螺纹地安装到具有带螺纹的较大直径出口的容器的凸出的内螺纹，在该上部处的内表面适合于咬合装配到具有较小直径开口的容器。
9.如权利要求8所述的连接器，其特征在于，所述液体通道部分地由管状导管限定，该管状导管从所述主体的上部的外表面向外伸出并且在其外表面上具有用于可螺纹地安装到肠供给管的螺纹。
10.如权利要求1所述的连接器，其特征在于，所述刺针具有大体平坦的底面并且所述空气通道在该平坦的底面处通向所述腔中。
11.如权利要求10所述的连接器，其特征在于，所述刺针具有沿其长度延伸的刀刃。
12.如权利要求11所述的连接器，其特征在于，所述刺针的底面总体位于与所述主体的中心轴线以一角度相交的平面内，从而在所述刀刃的下端处形成尖端。
13.如权利要求1所述的连接器，其特征在于，所述主体具有中心轴线，所述刺针与所述中心轴线间隔开。
14.如权利要求13所述的连接器，其特征在于，所述液体通道在其第一端中具有开口，所述开口的纵向轴线与所述主体的中心轴线间隔开。
15.如权利要求1所述的连接器，其特征在于，所述刺针具有笫一和第二相对的宽侧面、以及第一和第二相对的窄侧面，所述第二窄侧面从所述第二宽侧面倾斜向该第一宽侧面，使得在所述第二窄侧面与所述第一宽侧面相遇处形成切割刃，所述第二窄侧面向着所述刺针的自由端逐渐变细，从而在所述第二窄侧面与所述第二宽侧面相遇处形成折叠边。
16.如权利要求15所述的连接器，其特征在于，所述第一宽侧面通常是弓形的。
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CN107096084A (zh) * 2008-08-13 2017-08-29 弗雷森纽斯医疗护理德国有限责任公司 用于将在透析机中使用的用后即弃型容器的连接器
CN102458341A (zh) * 2009-06-04 2012-05-16 株式会社Jms 盖子及使用其的营养剂用容器
CN102933464A (zh) * 2010-04-08 2013-02-13 雅培制药有限公司 用于可流动产品的瓶子包装
CN103025367A (zh) * 2010-07-30 2013-04-03 金伯利-克拉克环球有限公司 肠饲延伸装置连接器
CN103153260A (zh) * 2010-08-25 2013-06-12 巴克斯特国际公司 有助于用户进行重组的组件
CN103269732A (zh) * 2010-12-21 2013-08-28 美敦力迷你迈德公司 对齐和连接系统及方法
CN103269732B (zh) * 2010-12-21 2014-11-12 美敦力迷你迈德公司 对齐和连接系统及方法
CN111565788A (zh) * 2018-12-05 2020-08-21 En大冢制药株式会社 连接器
CN113194903A (zh) * 2018-12-21 2021-07-30 雀巢产品有限公司 肠内营养容器盖以及制备和使用该盖的方法

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CA2558773C (en) 2011-08-30
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US20070093775A1 (en) 2007-04-26
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IL177897A0 (en) 2006-12-31
CA2558773A1 (en) 2007-04-20
NO20064684L (no) 2007-04-23
TWI309161B (en) 2009-05-01
IL177897A (en) 2013-01-31
AU2006216072B2 (en) 2009-10-01
EP1776942A1 (en) 2007-04-25
CN1951518B (zh) 2010-06-23
US7611502B2 (en) 2009-11-03
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JP2007111520A (ja) 2007-05-10
KR20070043634A (ko) 2007-04-25

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