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CN103619236A - 用于制造膜环或者测试带环的方法以及环形匣 - Google Patents

用于制造膜环或者测试带环的方法以及环形匣 Download PDF

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CN103619236A
CN103619236A CN201180022533.4A CN201180022533A CN103619236A CN 103619236 A CN103619236 A CN 103619236A CN 201180022533 A CN201180022533 A CN 201180022533A CN 103619236 A CN103619236 A CN 103619236A
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H.哈蒂希
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Abstract

本发明涉及一种用于制造诊断性的测试装置用的膜环或者测试带环的方法,其中a)纵长延伸的带条(26)被横向于带条纵向方向伸展的切口(24)划分为分段(20);b)其中所述切口(24)仅仅一直引导到所述带条(26)的剩余宽度,从而在与所述切口(24)邻接的分段(20)之间保留材料桥(38);c)所述带条(26)在其端部汇合为一环(22)时闭合,其中所述切口(24)的朝所述材料桥(38)伸展的切边分别围成一锐角(α);d)所述环(22)作为用于所述测试装置的膜环或者测试带环装在支承结构(12)中。

Description

用于制造膜环或者测试带环的方法以及环形匣
本发明涉及一种用于制造尤其用于对体液进行检验的诊断性的测试装置用的膜环或者测试带环的方法。此外,本发明涉及一种作为用于诊断性的测试装置的过程产品的环形匣。
在医疗的诊断学的领域内,使用带条或者盘片形式的微型过滤膜这种做法本身为人所知。盘形的匣子在用于血糖测量的手持测量仪器中的使用比如从WO2009/037192中得到公开。在直接切割扁形材料环方面的缺点是材料的损耗,所述材料的损耗尤其对于窄小的环来说特别明显。因此,对于正方形的待加工面的具有49mm的外直径和39mm的内直径的环来说,仅仅利用了28.8%,在此从所述正方形的待加工面中切去了所述环。如果将所述环以最可能紧密的布置结构从待加工面上切除,那么在理论上最大可以利用33.2%,但在实际上更小一些。对于膜片的较高的成本来说,能够利用的表面的采获量首先对于大量生产的产品来说具有重要的经济上的作用。此外,单个的膜片表面的操作十分耗时,并且在机械方面比较麻烦并且容易出错。
由上述情况出发,本发明的任务是,进一步改进在现有技术中知道的方法和装置,并且在诊断性的应用方案的领域内对材料使用和耗材的操作进行优化。
为了解决该任务,提出在独立的权利要求中所给出的特征组合。本发明的有利的设计方案和改进方案由从属权利要求中获得。
本发明以这样的构思为出发点,即为大量的单个测试在环形的布置中尤其作为匣子分别提供一分析性的材料段。与此相应地在方法方面提出,
a)优选通过对于面状的或者带状的原材料的切割来提供的纵长延伸的带条被横向于(也就是说直角于或者斜向于)带条纵向方向伸展的切口划分为分段;
b)其中所述切口仅仅一直引导到所述带条的可能变化的一种剩余宽度,从而在与所述切口邻接的分段之间保留一材料桥;
c)所述带条在其端部汇合为一环时闭合,其中所述切口的朝所述材料桥伸展的切边分别围成一锐角;
d)所述环作为用于所述测试装置的膜环或者测试带环被安装在支承结构中。
通过这种方式,可以避免材料环的直接的冲裁,并且在制造过程中将有待抛弃的材料减少到最少。此外,通过线性的预加工、比如可以从卷到卷地来简化自动化过程。同时通过所述分割,尤其使得划分为单个测试的这个过程得以简化。
按照一种优选的设计方案,所述带条一直被切割到作为材料桥剩下的0.1到1.0mm的一种剩余宽度,用于保证足够的可弯曲性。优选选择统一的剩余宽度。
一种有利的实施方式规定,所述带条统一地从其纵向边缘之一开始切割,使得所述材料桥留在另一纵向边缘上。如果所述材料桥处于接下来形成的环的外边缘上,那么所述分段的搭接程度最大,而对于内边缘上的材料桥来说则没有进行搭接。
按照另一种有利的变型方案,所述带条在得到材料桥的情况下相应地在一线条上从其两条纵向边缘开始在两侧进行切割。
所述切口可以有利地用切割工具或者冲裁工具或者通过激光切割来产生。用激光进行的切割将切边压实,并且由此使所述材料桥稳定。因此优选的是激光切割。
在制造技术上有利的是,所切割的带条在环形成之前沿其纵向方向扭转或者说扭曲,使得所述分段关于通过所述材料桥伸展的倾斜轴线以连续增加的角度倾斜。由此可以进行接下来的环成形,而所述切边不会钩卡在彼此上面。
所述分段有利地在按照步骤c)进行环形成时连续地放到平坦的环形面上,并且此时从倾斜位置置于相互的搭接位置中。
在前面提到的方法步骤c)中,有利地使所述环如此成形,使得所述材料桥撑开一圆周,其中所述带条的端部在所述圆周上接触。
可以通过以下方式来进一步改进所述过程产品,即所述分段在环形成时成对地搭接地彼此重叠放置,其中通过所述切口的切边所限定的搭接区从环内侧面朝相应的材料桥伸展。
为了使所形成的环稳定,有利的是,相邻的分段优选在热量和/或压力的作用下搭接地彼此相连接,尤其是焊接或者粘接。也有利的是,在所述分段相互连接的同时将所述环固定在所述支承结构上,优选固定在匣中。
一种特别优选的使用情况规定了一种原材料,该原材料通过用反应性的检测化学药剂来涂覆的薄膜来构成,或者通过对于体液来说至少部分地渗透的膜片来构成。可以有利地在两侧的分段成对的接触的情况下,将膜环施加到测试带环上。也可以设想,将单个的测试区施加到膜环的分段上或者相反。
与诊断性的应用相关联的有利方案的是,所述分段作为耗材在环形匣中、优选在腔室中分开地提供或者布置,以便相应地进行单个测试。优选给这样的腔室分别装备了一用于提取体液的穿刺元件或者说针元件。
有利地将闭合的环放入到作为支承结构的盘形的壳体中,使得所述分段分别分配给所述壳体的一个腔室。
另一种有利的设计方案规定,从纵向边缘开始以直角来切割所述带条,其中如此形成的切口的切边相应成对地平行于一条共同的切割线地伸展。
为了实现测试带环,可以将利用在体液中的待检验物质用的反应性的检测化学药剂来涂覆的薄膜用作原材料。对于用于选择性地分开体液的内含物质的膜环来说,有利的是,作为原材料使用滤膜。
一种用于尤其用来对于体液进行检查的诊断性的测试装置的环形匣也是本发明的主题,它具有支承结构以及装入在其中的根据按本发明的方法制造的膜环或者测试带环,其中作为环绕的构成物闭合地装入的环由通过切口来分割的带材料构成,并且所述通过材料桥来连接的分段形成了相应地用于单个测试的过滤器或者检测元件。这样的膜环或者测试带环因此具有带条,所述带条通过横向于带条纵向方向的边缘切口被划分为分段,其中所述切口仅仅一直伸展到所述带条的可能变化的剩余宽度,从而在与所述切口邻接的分段之间保留材料桥,并且其中所述带条闭合成一环,使得所述切口的一直朝所述材料桥伸展的切边分别围成一锐角。
对于这样的环形匣来说,所述支承结构可以具有用于转移体液的开口或者说窗口,其中所述开口分别被所述膜环或者测试带环的一分段所遮盖。优选所述支承结构在盘形的壳体中具有环状地布置的测试室,所述测试室有利地分别包含一穿刺元件,并且所述测试室被分别分配给所述膜环或者测试带环的一分段以便实施单个测试。在此所述分段应该分别具有一用于接纳体液的敞开的应用部位。
另一发明方面涉及一种诊断性的测试装置,所述诊断性的测试装置用于连续地分段地对按本发明的环形匣进行处理。尤其所述能够更换的环形匣可以以能够旋转的方式支承在这样的仪器中,或者说可以通过旋转驱动装置来旋转,用于在所限定的应用部位上提供单个的分段。
下面借助于在附图中示意性地示出的实施例来对本发明进行详细解释。附图示出如下:
图1是诊断性的测试仪器用的具有仅仅一半示出的测试带环的环形匣的透视图;
图2是用于对所切割的测试带条进行预加工的装置的图解的示意图;并且
图3是由预加工的测试带条以节省材料的方式形成测试带环的不同的阶段的截断的俯视图。
在图1中示出的环形匣可以作为耗材装在用于血糖分析的未示出的便携的分析仪器中。该环形匣为此目的而包括一用作支承结构的盘形的壳体12,在该壳体中包含大量的圆形布置的用于接纳能够径向推出的穿刺元件16的腔室14,其中在所述腔室12上面的壳体盖上分别设置了开口18,在刺入体内时提取的血液可以通过所述开口转移到测试带环22的分段20上,用于光度测定的葡萄糖检测。所述测试带环可以配设干式化学的试剂层,所述试剂层接纳所施加的体液,并且与包含在其中的待检验物质、比如葡萄糖发生反应。也可以设想的是,膜环作为过滤器来安置,用于在所述穿刺元件16与测试环之间进行血液转移。
为了能够以尽可能节省材料的方式来制造这样的测试带环或者说膜环22,规定由通过切口24来分割的下面要详细解释的带材料来制造环。由此可以避免扁平材料环的直接的冲裁,并且在制造过程中将有待抛弃的材料减少到最少。
图2示出了所切割的带条26的预加工情况。在此将带条28作为原材料从储备卷轴30上拉下,并且通过输送辊32来导送。作为切割装置的激光器34能够借助于激光束36在带端部36上对所述带条26进行定尺寸剪切,并且能够在形成分段20的情况下将切口24加入在带材料中。作为替代方案也可以设想,从大面积的原材料上首先可切下带条,并且而后给所述带条配设横向切口。
也如可以从图3中看出的一样,在所示出的实施例中,相应地在直角于纵向边缘的横线上在两侧对所述带条26进行切割,从而在相邻的分段20之间保留中心的材料桥38。也可以这样安排,即统一地从纵向边缘或者侧面边缘开始直角地切割所述带条,使得所述材料桥而后布置在对置的另一条纵向边缘上。所述切口24有利地沿所述带条26的纵向方向看彼此相隔相同的间距,用于得到全等的分段20。
比如可以将具有90μm厚度的带材料切割为具有140mm的长度和5mm的宽度的带条,而所述切口具有2.8mm的纵向间距并且分别远离两条纵向边缘2.4mm来横向伸展,从而留下0.2mm的材料桥。
如在图4中示出的一样,所切割的带条26在环形成之前沿其纵向方向扭转,使得所述分段20关于通过所述材料桥38伸展的纵向轴线连续地以增加的角度倾斜或者扭转,并且相应地在俯视图中显得具有不同的宽度。通过该措施,能够以所述分段20的相互的搭接来实现无碰撞的环形成。
图5示出了由按图3和4的预加工的带条26来构成环22的情况。在此所述分段20连续地放在平坦的环形面上、有利地直接地放到壳体盖上。在放下时,所述分段20的倾斜位置回到相互的搭接位置中。通过所述切口24的相互对置的切边40所限定的搭接区域42而后从所述环内侧面44一直伸展到相应的材料桥38,而在径向上外面的切边40也以一锐角α从相应的材料桥38开始相互张开。在如此形成的环26中所述材料桥撑开一个圆周46,其中所述两个带端部36在所述圆周上相互接触。
所述分段20有利地在所述搭接区域42中通过热量和压力的作用彼此焊接在一起,比如借助于相应结构化的热冲头或者借助于透明的冲头和激光来焊接在一起。在此可以同时以材料连接的方式固定在所述壳体盖上。

Claims (22)

1. 用于制造尤其用于对体液进行检验的诊断性的测试装置用的膜环或者测试带环的方法,其中
a)优选通过对于面状的或者带状的原材料的剪切来提供的纵长延伸的带条(26)被横向于带条纵向方向伸展的切口(24)划分为分段(20);
b)其中所述切口(24)仅仅一直引导到所述带条(26)的一种剩余宽度,从而在与所述切口(24)邻接的分段(20)之间保留一材料桥(38);
c)所述带条(26)在其端部汇合为一环(22)时闭合,其中所述切口(24)的朝所述材料桥(38)伸展的切边分别围成一锐角(α);
d)所述环(22)作为用于所述测试装置的膜环或者测试带环安装在支承结构(12)中。
2. 按权利要求1所述的方法,其特征在于,将所述带条(26)一直切割到作为材料桥(38)留下的0.1到1.0mm的剩余宽度。
3. 按权利要求1或2所述的方法,其特征在于,所述带条(26)统一地从其纵向边缘之一来切割,使得所述材料桥(38)留在另一纵向边缘上。
4. 按权利要求1或2所述的方法,其特征在于,所述带条(26)在得到材料桥(38)的情况下相应地在一线条上从其两条纵向边缘在两侧进行切割。
5. 按权利要求1到4中任一项所述的方法,其特征在于,所述切口(24)用切割工具或者冲裁工具或者通过激光切割来产生。
6. 按权利要求1到5中任一项所述的方法,其特征在于,所切割的带条(26)在环形成之前沿其纵向方向扭曲,使得所述分段(20)关于通过所述材料桥(38)伸展的倾斜轴线以连续增加的角度倾斜。
7. 按权利要求1到6中任一项所述的方法,其特征在于,将所述分段(20)连续地放在平坦的环形面上,并且在此时从倾斜位置置于相互的搭接位置中。
8. 按权利要求1到7中任一项所述的方法,其特征在于,使所述环(22)如此成形,使得所述材料桥(38)撑开一圆周(46),其中所述带条(26)的端部在所述圆周上彼此接触。
9. 按权利要求1到8中任一项所述的方法,其特征在于,所述分段(20)在环形成时成对地搭接地彼此重叠放置,其中受到所述切口(24)的切边的限制的搭接区(42)从环内侧面朝相应的材料桥(38)伸展。
10. 按权利要求1到9中任一项所述的方法,其特征在于,相邻的分段(20)优选在热量和/或压力的作用下搭接地彼此相连接,尤其是焊接或者粘接。
11. 按权利要求1到10中任一项所述的方法,其特征在于,在所述分段(20)相互连接的同时将所述环(22)固定在所述支承结构(12)上。
12. 按权利要求1到11中任一项所述的方法,其特征在于,所述原材料通过用反应性的检测化学药剂来涂覆的薄膜来构成,或者通过对于体液来说至少部分地渗透的膜片来构成。
13. 按权利要求1到12中任一项所述的方法,其特征在于,所述分段(20)作为耗材布置在分别用于单个测试的环形匣(10)中。
14. 按权利要求1到13中任一项所述的方法,其特征在于,将所述环(22)放入到作为支承结构的盘形的壳体(12)中,使得所述分段(20)分别分配给所述壳体的一腔室(14)。
15. 按权利要求1到14中任一项所述的方法,其特征在于,从纵向边缘开始以直角来切割所述带条(26),其中如此形成的切口的切边相应成对地平行于一共同的切割线地伸展。
16. 按权利要求1到15中任一项所述的方法,其特征在于,作为原材料使用用于对体液进行过滤地构造的膜片,或者使用利用在体液中的待检验物质用的反应性的检测化学药剂来涂覆的薄膜。
17. 环形匣,用于尤其用来对于体液进行检验的诊断性的测试装置,具有支承结构(12)以及装入在所述支承结构中的根据前述权利要求之一制造的膜环或者测试带环(22),其中所述闭合的环(22)由通过切口(24)来分割的带材料构成,并且所述分段(20)形成分别用于单个测试的过滤器或者检测元件。
18. 按权利要求17所述的环形匣,其特征在于,所述支承结构(12)具有多个用于转移体液的开口(18),并且所述开口(18)分别被所述膜环或者测试带环(22)的一分段(20)所遮盖。
19. 按权利要求17或18所述的环形匣,其特征在于,所述支承结构(12)具有盘形的壳体(12),该壳体则具有环状地布置的分别分配给一分段(20)的测试室。
20. 按权利要求17到19中任一项所述的环形匣,其特征在于,所述分段(20)分别具有一用于接纳体液的应用部位。
21. 按权利要求17到20中任一项所述的环形匣,其特征在于,所述膜环(22)作为过滤器布置在环状地构造的检测元件的前面。
22. 用于对体液进行检验的诊断性的测试装置,具有一壳体和一装入在所述壳体中的按权利要求17到21中任一项所述的环形匣。
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