CN1591019B - 一次性盒 - Google Patents

一次性盒 Download PDF

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CN1591019B
CN1591019B CN200410063509.7A CN200410063509A CN1591019B CN 1591019 B CN1591019 B CN 1591019B CN 200410063509 A CN200410063509 A CN 200410063509A CN 1591019 B CN1591019 B CN 1591019B
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U·拉普
S·弗赖
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Abstract

本发明涉及一种作为分析仪器的可更换部件的一次性盒,其包括集成在该盒内的流体路径。根据本发明,至少一个具有液体例如标定流体的容器,以不透液体的方式被集成在该一次性盒内。在该一次性盒内提供一个集成的尖头,例如一个可枢转的摇摆钩,通过该尖头可打开该容器,从而使得液体可被导入该一次性盒的流体路径。

Description

一次性盒
技术领域
本发明涉及一种一次性盒。
背景技术
具有运送流体的通道的一次性塑料物品通常被应用在医学设备中。相应的盒系统在替代传统的软管系统时很有价值。一些相应的流体路径形成在这些盒系统中。流过流体路径的流体由相应的致动器引入。例如,使用阀门,通过该阀门流体路径可以被打开或关闭。另一方面,用于流体传输的泵被集成在这种一次性系统中。在医学应用领域,一次性盒系统是已知的,其中提供了一个刚性部件,通道处于室内。该刚性部件由连续的柔性膜覆盖。根据DE10239597,柔性膜由刚性部件内柔软成形的区域形成。应用二元注塑技术,刚性和柔性区域可以被制成一个整体。
上述盒系统也可应用于分析技术的领域。
根据现有技术,必须应用昂贵的专用于无菌连接的接入适配器来接触用于分析的液体,例如标定流体。例如,这种接入适配器可从美国申请US6016683、US6136607A或EP1243336A2中得到。
发明内容
本发明的目的是提供一种一次性盒,其中不使用专用于此目的的接入适配器,就可以简单的方式无菌地进入液体,例如标定流体。
根据本发明可实现以上的目的。因此,提供了至少一个具有液体例如标定流体的容器,该容器以不透液体的方式,被集成在该一次性盒内,同时,在该一次性盒上提供一个优选制成为可枢转的摇摆钩的尖头,通过该尖头可打开该容器,从而使得液体可被导入该一次性盒的流体路径。
本发明的具体的优势可从主权利要求之后的从属权利要求中得到。
因此,一次性盒内尖头的区域由一个膜覆盖,并且该尖头的区域优选为由密封网片以环形方式围绕,而留出一个合并的流体路径空着。从而确保,在应用尖头切开一个膜壁之后,排除的液体被导入合并的流体路径,而不会泄漏。
该容器可优选为一个多层铝膜的袋。
在膜壁内,远离摇摆钩的侧面的摇摆钩区域内,该袋具有至少一个深拉拔的球形配置。所述球形配置可确保提供有该球形配置的膜在摇摆钩的枢转点处不会被破坏。可应用任何其他的设计来打开膜壁,而不应用上述可被枢转的摇摆钩。
摇摆钩优选与一次性盒制成一个整体。该一次性盒是一个注塑塑料件,并且该摇摆钩可被枢转地模制成注塑塑料件,从而使该摇摆钩可由推进器绕轴枢转以切开相应地被插入到一次性盒内的袋的一侧。有利的是,摇摆钩可具有一个沟槽形式的流体通道,从而避免了自由流可能带来的阻塞。
根据另一方面,本发明涉及一种无菌地进入插入到根据本发明的一次性盒中的袋的方法。据此,填充有液体的该容器以完全密封的方式被连接到该一次性盒,利用相关的摇摆钩切开所述袋的一个壁,从而打开该袋的入口,而不会破坏形成深拉拔的球形配置的袋的相对壁。
该系统具有的优势为:袋在由摇摆钩相应地切开之前是完全密封的,在膜壁上没有开口。敏感液体,如标定流体的存储容量以这种方式被提高了。
附图说明
本发明的细节和优势可从附图中所示的实施例中得到。其中:
图1是根据本发明一个实施例的一次性盒的平面图;
图2是对应于图1中剖面线II-II的剖面;
图3是对应于图1中剖面线III-III的剖面;
图4是用于插入根据平面图图1的一次性盒内的袋:
图5是对应于图4中剖面线V-V的剖面。
具体实施方式
在图1和2中所示的一次性盒10中,在第一部分12内形成一个通道结构14,该第一部分是一个注塑塑料部分,用于流体引导并以已知的方式用根据同一申请人的申请DE10239597中的柔韧的弹性体材料覆盖。注塑塑料部分12具有一个壳状的凹区16,其中有3个具有标定流体18的袋和一个废弃袋20。袋18中具有标定流体并且在一次性盒10的未使用状态下是封闭的,经输入区域将该袋连接到通道14,该输入区域可被直接打开。废弃袋20也被连接到28处的通道。一系列致动装置以阀门的形式(未详细示出)或以泵32的形式处于通道系统14内。相应的柔韧塑料层可经推进器被推动到机器侧(未详细示出),并位于阀门或泵32内。更详细的功能请参考DE10239597。液体可通过阀门30或泵32的相应控制被直接传送到通道系统14内。
取样口34作为样品液体的入口,例如全血、血浆或尿液。
取样口34可经滑块40封闭,该滑块与一个塑料盖38配合。输入样品并关闭塑料盖38后,可通过输入冲刷液体来冲刷整个取样口。
利用这种冲刷可由新鲜的标定溶液替代旧的血样或旧的标定溶液。代表其设计和功能的一次性盒10被插入分析仪器(未详细示出)并被压紧。通常,一次性盒被设计为24小时的使用周期或约30次测量的使用周期。所需的标定溶液取自相应的袋18。测量前,这些袋以不透液体的方式被集成到一次性盒内。即,以图2所示的方式在以壳状凹陷的注塑塑料部分12的区域16内一个放在另一个上面。在区域50、52或54内的所有情况下袋18都被紧紧连接到注塑塑料部分12。
袋18的设计如图4和5所示。在所有情况下袋18包括多层铝膜56或58的上层和下层,这些铝膜沿焊线60被焊接在一起,从而留出一个开口区域62空着。该开口区域由两个焊缝64形成,这两个焊缝开始相互平行地延伸,当形成一个圆锥形的开口区域68时,相互离开朝向袋18的外端延伸,形成圆锥形的焊线66。膜的一半具有深拉拔的球形配置68。此外,深拉拔的通道70的区域相互平行地延伸,该通道增强了袋,从而避免了弯折,该通道形成在开口区域62内。
在图4中显示了正在填充过程中的袋18。填充后并且焊接使开口封闭后,袋被紧紧地连接,优选为胶着地粘结到由注塑塑料部分形成的一次性盒10的第一部分12。在图3中显示了区域的横截面,其中示出了包括层56和58的袋18胶着地粘结到注塑塑料部分12。在这个处理过程中,在膜56中深拉拔的球形配置68被安置在注塑塑料部分12的区域中的某个位置,该位置中布置有可枢转模制的摇摆钩72。在图3中可以清楚地看到,围绕该摇摆钩安置了一密封唇74,并且该密封唇上用柔韧的塑料层76密封地覆盖。流体通道14在一侧打开。
为了打开袋18,摇摆钩72绕机器侧(未在图中详细示出)的致动推动装置枢转,从而使摇摆钩72的尖头顶端78隔开或切开袋18的膜58,如图3所示。由于具有深拉拔的球形配置68,袋18的膜56不会受到破坏。容纳在袋18内的标定流体穿过以这种方式形成的开口,而进入由密封网片74以环形方式围绕的空间,从而可被导入通道14。通过泵32可以在通道系统14内建立一个相应的真空。
以这种方式,可以简单地形成进入膜袋的无菌通路。本发明在此公开了一种一次性盒系统,该盒被推荐作为分析仪器的可更换部件,也可被用于其他系统的结构内,在这些系统中,不脱离本发明的框架,解决了无菌地到达填充在膜袋内的液体的问题。

Claims (9)

1.一次性盒,其包括与盒集成在一起的流体路径,其中,至少一个具有液体的容器以不透液体的方式被集成在该一次性盒内,并且在该一次性盒上提供一个集成的尖头,通过该尖头可打开该容器,从而使得液体可被导入该一次性盒的流体路径;
其特征在于,该容器是膜袋,该膜袋包括第一膜壁和相对的第二膜壁,在尖头区域内,所述的容器具有在该膜袋的第二膜壁内的一个深拉拔的球形配置,该深拉拔的球形配置在所述第二膜袋的远离尖头的一侧,使得在尖头切开所述第一膜壁时不会破坏所述第二膜壁。
2.根据权利要求1所述的一次性盒,其特征在于,该一次性盒内尖头的区域由一个膜覆盖,并且该尖头的区域由密封网片以环形方式围绕,而留出一个合并的流体路径空着,其中,所述膜密封地覆盖在所述密封网片上面。
3.根据权利要求1或2所述的一次性盒,其特征在于,所述的容器是一个多层铝膜的柔性袋。
4.根据权利要求1或2所述的一次性盒,其特征在于,所述集成的尖头包括一个铰接到该一次性盒上的摇摆钩。
5.根据权利要求4所述的一次性盒,其特征在于,所述摇摆钩具有一个沟槽形式的流体通道,从而避免了自由流可能带来的阻塞。
6.根据权利要求1或2所述的一次性盒,其特征在于,至少一个尖头与该一次性盒形成一个整体。
7.根据权利要求1或2所述的一次性盒,其特征在于,该一次性盒是分析仪器的一个可更换部件。
8.根据权利要求1所述的一次性盒,其特征在于,所述液体是标定流体。
9.一种无菌地进入被插入到根据权利要求1到8中任何一项权利要求所述的一次性盒的容器的方法,其特征在于,填充有液体的该容器以完全密封的方式被连接到该一次性盒,并且利用相关的尖头切开所述膜袋的第一膜壁,从而打开该容器的入口,而不会破坏形成深拉拔的球形配置的膜袋的相对的第二膜壁。
CN200410063509.7A 2003-07-08 2004-07-08 一次性盒 Expired - Fee Related CN1591019B (zh)

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JP4373293B2 (ja) 2009-11-25
CN1591019A (zh) 2005-03-09
US20050008505A1 (en) 2005-01-13
DE10330803B4 (de) 2005-11-17
ES2371640T3 (es) 2012-01-05
EP1495809B1 (de) 2011-09-21
EP1495809A1 (de) 2005-01-12
JP2005031074A (ja) 2005-02-03
DE10330803A1 (de) 2005-05-04

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