CN101678930B - 用于容纳液体、特别是肠营养液的容器的封盖以及具有这种封盖的容器 - Google Patents

用于容纳液体、特别是肠营养液的容器的封盖以及具有这种封盖的容器 Download PDF

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CN101678930B
CN101678930B CN2008800169987A CN200880016998A CN101678930B CN 101678930 B CN101678930 B CN 101678930B CN 2008800169987 A CN2008800169987 A CN 2008800169987A CN 200880016998 A CN200880016998 A CN 200880016998A CN 101678930 B CN101678930 B CN 101678930B
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T·布兰登伯格
G·格瑞尔
I·拉希米
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Abstract

本发明涉及一种用于容纳液体的容器——特别是用于容纳肠营养液的容器——的封盖，该封盖包括一盖件(3)和一周缘件(4)。盖件(3)包括一用于取出液体的取出部(5)，该取出部包括具有一用于输送装置的软管的尖部的连接部分(7)和一封闭部分(8)，该封闭部分具有用于封闭所述连接部分的开口(12)的可刺穿的膜片。所述取出部(5)具有一用于接纳所述尖部的接纳区段(10)，该接纳区段(10)设计成密封包围所述尖部的环形体部，该环形体部连接在所述连接部分(7)的上边缘上并向内延伸。用于尖部的接纳区段确保在将尖部插入封盖的取出部(5)中时不会有肠营养液从封盖流出。

Description

用于容纳液体、特别是肠营养液的容器的封盖以及具有这种封盖的容器
技术领域
本发明涉及一种用于容纳液体、特别是肠营养液的容器的封盖，该封盖具有一盖件和一周缘件。此外，本发明还涉及一种用于容纳肠营养液的容器，特别是BFS容器，该容器具有这种封盖。 
背景技术
已知吹-灌-封三合一技术(BFS技术)，其中，在一道工序中无菌并无热原地将容器——例如挤出的PE或PP质的瓶——吹成希望的形状，在冷却后紧接着用无菌填料无菌地进行灌装，然后密封封闭。根据吹-灌-封三合一技术制成的容器——特别是瓶——也被称作BFS容器。 
如果将已知的BFS容器用于容纳无菌的医用液体、例如肠营养液，则容器需要一封盖系统，以允许借助于输送装置将该肠营养液输送给患者。 
为了供给肠营养液，已知一种肠营养液袋，该肠营养液袋具有也被称为接口的连接件，在该连接件上可连接一用于将营养液输入患者的输送装置。 
已知的用于将肠营养液输入患者的输送装置具有一软管，该软管在一端上具有尖部，该尖部能连接在肠营养液袋的连接件上。软管的另一端具有用于连接肠内营养饲管的连接器。 
已知的肠营养液袋的已知连接件由一膜片密封地封闭，该膜片在连接软管时被输送装置的尖部刺穿。 
由DE 202004003267U1已知一种用于BFS容器的封盖，该封盖包括一盖件和一周缘件，其中在该盖件中插入一裂口的膜片，该膜片允许输送装置的尖部插入。所述裂口的膜片齐平地位于封盖的盖件内。 
发明内容
本发明的目的在于，提供一种用于容纳液体的容器的封盖、特别是用于容纳肠营养液的BFS容器的封盖，其中简化了在连接输送装置的软管的尖部时对容器的操作。此外，本发明的目的还在于，提供一种用于容纳液体的容器、特别是用于容纳肠营养液的BFS容器，该容器在连接输送装置的尖部时能被简单地操作。 
根据本发明，所述目的通过权利要求1和14的特征实现。从属权利要求给出优选的实施形式。 
所述用于容纳液体的容器——特别是用于容纳肠营养液的BFS容器——的本发明的封盖，包括一盖件和一周缘件，其中，在盖件中设有一用于取出液体——特别是肠营养液——的取出部。原则上，除取出部外，根据本发明的封盖还可包括一用于将医用液体注入肠营养液中的注入部。 
根据本发明的封盖的取出部包括一用于输送装置的软管的尖部的连接部分和一封闭部分，该封闭部分具有用于封闭所述连接部分的开口的可刺穿的膜片。 
根据本发明的封盖的突出特点在于，所述取出部具有一用于接纳所述尖部的接纳区段，该接纳区段设计成密封包围所述尖部的环形体部，该环形体部连接在所述连接部分的上边缘上并向内延伸。由此确保，在用尖部刺穿所述膜片时封盖仍被密封地封闭。如果将尖部连接在封盖上，则尽管封盖被所述膜片密封封闭但在刺穿膜片时仍存在以下危险：膜片与尖部之间不密封。密封包围所述尖部的环形体部确保不会有肠营养液从封盖流出。 
在一种优选实施形式中，所述密封包围所述尖部的环形体部当在所述连接部分的内壁与所述环形体部的外壁之间形成一窄缝的情况下连接在所述连接部分的上边缘上。由此可使环形体部在插入尖部时略变形，从而使尖部被所述体部密封地包围。环形体部的壁厚可确定成和/或用以制成环形体部的材料可选择成，使得环形体部可具有合适的弹性。 
在另一种优选实施形式中，所述密封包围所述尖部的环形体部具有非圆形的、特别是基本为方形的横截面，从而将同样具有方形横截面的尖部不可相对转动地保持在环形体部中。原则上也可以是圆形横截面，但其中不能防止尖部转动。 
在另一种优选实施形式中，连接部分具有一基本为圆柱形的部段，该部段从封盖的盖件向外延伸。优选地，密封包围所述尖部的所述环形体部连接在连接部分的圆柱形部段的上边缘上。但环形体部也可以从封盖的盖件向内延伸。 
在另一种优选实施形式中，连接部分的基本为圆柱形的部段具有外螺纹。由此能够使具有螺纹帽的尖部牢固地拧紧在封盖上，从而防止尖部滑出。 
为无菌地封闭可刺穿的膜片，优选使连接部分用一被称为“显窃启部件 
Figure G2008800169987D00031
的可折断部件封闭，该可折断部件通过一环裂区连接在所述连接部分的上边缘上。在折断或扭断该可折断部件后，膜片露出，使得尖部能被插入。 
为改善操作，优选使所述可折断部件具有抓取翼板，该抓取翼板在侧向从封闭部分伸出。侧向的抓取翼板优选连接在可折断部件的中央的盘状部段上。 
抓取翼板优选一直延伸到所述封盖的盖件，使得在抓取翼板的下边缘与盖件之间仅留出一窄缝。由此排除输送装置的软管被夹在抓取翼板与封盖之间的危险。 
在另一种特别优选的实施形式中，封闭部分具有一基本为圆柱形的部段，该基本为圆柱形的部段从所述盖件向内延伸。在这种实施形式中，可刺穿的膜片放置在封闭部分的圆柱形部段中。 
在另一种特别优选的实施形式中，封闭部分的所述基本为圆柱形的部段设计成接合在所述可刺穿的膜片上的折边凸缘，该折边凸缘将所述膜片固定地夹紧在封闭部分的开口中。由此简化了封盖的制造。首先将所述膜 片放入封闭部分的圆柱形部段中，然后对该圆柱形部段的边缘进行折边。例如可使封闭部分的圆柱形部段的边缘热变形。 
然而原则上也可能，以卡合的形式将可刺穿的膜片放入或沿径向夹紧在封闭部分的圆柱形部段中。 
根据本发明的封盖可大批量地、成本低地制成为一体式的塑料质注塑件。 
根据本发明的容器具有上述的根据本发明的封盖。优选地该容器设计成瓶子，特别是BFS瓶，其中封盖与容器密封连接。其中封盖可与容器粘接和/或熔接/焊接(verschweiβen)，或被设计成螺旋盖。 
附图说明
下面参照附图详细说明本发明的一实施例。其中： 
图1以侧视图示出根据本发明的封盖的一种实施例，该封盖与一可折断部件相连接， 
图2以侧视图示出图1的封盖，其中可折断部件被折断，而输送装置软管的尖部被旋拧在封盖上， 
图3示出图2的封盖沿A-A线的剖面， 
图4示出图2的封盖沿C-C线的剖面， 
图5示出图2的封盖的透视图，以及 
图6示出带有本发明封盖的本发明容器的一种实施例。 
具体实施方式
图1以侧视图示出根据本发明的封盖1，该封盖由一可折断部件2密封地封闭。封盖1包括一盖件3和一周缘件4。盖件3包括一外部段3A，在该外部段3A上经一向外拱起的部段3B连接一内部段3C。盖件3的内部段3C具有一取出部5，以便能够取出液体、特别是肠营养液。肠营养液利用一在图1中未示出的尖部取出，该尖部在折断所述可折断部件2后被连接在封盖上。 
下面参照图2-5对封盖进行详细说明，其中连接在未示出的输送装置的未示出的软管的一端上的尖部6被旋拧在封盖上。 
用于取出肠营养液的取出部5具有一连接部分7和一封闭部分8。连接部分7具有一基本为圆柱形的部段9，该部段从盖件3的内部段3C向外延伸。在圆柱形部段9的上边缘上连接一环形体部10。该环形体部10具有基本为方形的横截面，该横截面与尖部6的横截面相对应。密封地包围尖部的环形体部10这样形成在圆柱形部段9的上边缘处，使得在圆柱形部段9的内壁与环形体部10的外壁之间留有一窄缝18。 
封盖1的封闭部分8具有基本为圆柱形的部段11，该部段从盖件3的内部段3C的内侧向内延伸。在封闭部分8的圆柱形部段11的开口12中设有一可被刺穿的膜片13。该自封式膜片13具有外环形部段13A和内部段13B，内部段13B具有一碗状凹陷部13C并裂口。 
在安装时，在将膜片13放入圆柱形部段11中之后将该圆柱形部段11的下边缘11A折起，使得下边缘11A从下方抓住膜片13。由此将膜片13的外部段13A夹紧地保持在封闭部分8的开口12中。 
封盖1的周缘件4具有一隆起的下边缘14，该下边缘在下侧上具有一环绕的凹槽15。封盖可被套装在一瓶上，其中瓶颈的上边缘接合在封盖的隆起边缘的凹槽中。 
尖部6旋拧在封盖1上。尖部6具有一以不能拆下的方式固定的锁紧螺母6A，该锁紧螺母具有内螺纹6B，而连接部分7的圆柱形部段9的外壁具有相应的外螺纹9A，从而锁紧螺母6A能被拧在封盖1的连接部分7上。 
封盖1不仅通过膜片13密封，还通过密封地包围尖部6的环形部段10密封。由此确保在将尖部插入封盖的取出部中时肠营养液不会流出。 
在取出肠营养液前，利用可折断部件2将封盖1密封地封闭(图1)。可折断部件2具有盘状的内部段2A，该内部段2A通过一环裂区19与连接部分7的圆柱形部段9的上边缘相连接。在可折断部件2的盘状内部段2A上通过窄接片2B连接两个抓取翼板2C，该抓取翼板在两侧伸出。抓 取翼板2C设计成扁平体，其宽度与盖件3的外部段3A的宽度相当。抓取翼板2C一直延伸到盖件3的外部段3A，其中，在抓取翼板2C的下边缘与盖件3的外部段3A的上侧之间留有一窄缝。两个抓取翼板2C分别具有一形状为向外指向的箭头的挖去部2D，以便标示封盖是取出部。 
图6示出根据本发明的封盖连同根据本发明的容器，该容器在本实施例中为BFS瓶。封盖1固定地安放在瓶17的瓶颈16上，该瓶灌装有肠营养液。封盖1与瓶颈16相熔接/焊接，其中瓶颈的上边缘16A接合到封盖的隆起边缘14的凹槽15中。 

Claims (14)

1.一种用于容纳液体的容器的封盖，包括一盖件(3)和一周缘件(4)，所述盖件(3)包括一用于取出液体的取出部(5)，该取出部包括一连接部分(7)和一封闭部分(8)，该连接部分具有用于接纳输送装置的软管的尖部的接纳区段(10)，该封闭部分具有用于封闭所述连接部分的开口(12)的可刺穿的膜片(13)，其中所述连接部分(7)具有一基本为圆柱形的部段(9)，该部段从盖件(3)向外延伸，设计成环形体部的所述接纳区段(10)连接在所述连接部分(7)的基本为圆柱形的部段(9)的上边缘上并向内延伸，
其特征在于，
用于接纳所述尖部的所述接纳区段(10)设计成密封包围所述尖部的环形体部，使得在用所述尖部刺穿所述膜片时，所述接纳区段(10)密封包围所述尖部，从而所述封盖仍被密封地封闭。
2.根据权利要求1所述的封盖，其特征在于，所述连接部分(7)的所述密封包围所述尖部的环形体部(10)在所述连接部分(7)的内壁与所述环形体部(10)的外壁之间形成一窄缝(18)的情况下连接在所述连接部分的上边缘上。
3.根据权利要求1或2所述的封盖，其特征在于，所述密封包围所述尖部的环形体部(10)具有基本为方形的横截面。
4.根据权利要求1或2所述的封盖，其特征在于，所述密封包围所述尖部的环形体部(10)具有圆形的横截面。
5.根据权利要求1或2所述的封盖，其特征在于，所述密封包围所述尖部的环形体部(10)具有非圆形的横截面。
6.根据权利要求1或2所述的封盖，其特征在于，所述连接部分(7)的基本为圆柱形的部段(9)具有外螺纹(9A)。
7.根据权利要求1或2所述的封盖，其特征在于，所述连接部分(7)利用一可折断部件或可扭断部件(2)封闭，该可折断部件或可扭断部件通过一环裂区(19)连接在所述连接部分上边缘上。
8.根据权利要求7所述的封盖，其特征在于，所述可折断部件(2)具有一中央的盘状部段(2A)，在该中央的盘状部段上连接一抓取翼板(2C)，该抓取翼板在侧向从所述盘状部段(2A)伸出。
9.根据权利要求8所述的封盖，其特征在于，所述抓取翼板(2C)一直延伸到所述封盖的盖件(3)。
10.根据权利要求1或2所述的封盖，其特征在于，所述封闭部分(8)具有一基本为圆柱形的部段(11)，该基本为圆柱形的部段从所述盖件(3)向内延伸，其中所述可刺穿的膜片(13)放置在所述封闭部分(8)的所述圆柱形部段(11)中。
11.根据权利要求10所述的封盖，其特征在于，所述封闭部分(8)的所述基本为圆柱形的部段(11)设计成接合在所述可刺穿的膜片(13)上的折边凸缘(11A)。
12.根据权利要求10所述的封盖，其特征在于，所述盖件(3)包括一外部段(3A)，在该外部段上经一向外拱起的部段(3B)连接一内部段(3C)，其中所述封闭部分(8)的所述基本为圆柱形的部段(11)连接在所述盖件(3)的所述内部段(3A)上。
13.一种根据权利要求1或2所述的封盖，其特征在于，所述封盖用于容纳肠营养液。
14.一种具有根据权利要求1至13中任一项所述的封盖(1)的容器。
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