CN1917809A - 用于刺血装置的阻尼和收回机构 - Google Patents
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Abstract
披露了包括具有包封了刺血机构的部分的内部表面的主壳(12)的刺血装置(10)。刺血机构包括接附到杆(38)的刺血针固定件(36)和围绕杆(38)的部分的驱动弹簧(42)。刺血装置(10)也包括邻近主壳(12)的可移动的壳(14)。可移动的壳(14)具有包封了刺血机构的杆(38)的部分的内部表面。所包封的杆(38)的部分具有保持件(40)和围绕杆(38)的至少一定区段的第二弹簧(46)。第二弹簧(46)适合于使可移动的壳(14)从扳起位置移动到静止位置。第二弹簧(46)还适合于使刺血机构从刺透位置移动到静止位置。
Description
技术领域
本发明大体上涉及诊断仪器,并且更特别地涉及使用第二弹簧用于对可移动的壳进行重新定位并且对刺血针进行阻尼的***和方法。
背景技术
对在体液内的分析物进行定量测定,这在对某些生理异常进行诊断和养护时是非常重要的。例如,在某些个体内,乳酸盐、胆固醇和胆红素应该被监测。特定地,对在体液内的葡萄糖进行测定,这对于糖尿病个体是重要的,糖尿病个体必须频繁地对在其体液内的葡萄糖水平进行检查,以调节在其饮食内的葡萄糖摄入量。
得到体液样本例如全血样本的一种方法是使用刺血装置。全血样本可以用于对个体的葡萄糖进行监测。现有的刺血装置使用刺血针,以刺破皮肤的组织,这允许血液样本形成在皮肤的表面上。然后,全血样本转移到检验装置。全血样本通常从检验对象的指尖采集,用于对葡萄糖进行监测,因为可以提供有效血液供给的毛细血管很集中。然而,从指尖采集血液是不利的,因为对于许多个体引起疼痛和不适的神经末梢很集中。
除了在刺破指尖时固有的疼痛和不适之外,由于在初始刺破皮肤之后不能对刺血针进行适当的阻尼,现有的刺血装置对于许多个体可能使疼痛增加。这可能导致多次刺透个体的皮肤,对于使用者,这需要额外的复原时间,并且增加了不适。可选择地,过分的阻尼作用可能减小刺血针的力度,并且对刺透深度有不利的影响,这使样本量是不充足的,并且需要再次进行刺血。
希望的是,刺血装置和方法解决这些问题,同时减少制造刺血装置所需要的构件的数量,因而减少装置的整体成本。
发明内容
根据本发明的一个实施例,披露了刺血装置。刺血装置包括具有包封了刺血机构的部分的内部表面的主壳。刺血机构包括接附到杆的刺血针固定件和围绕杆的部分的驱动弹簧。驱动弹簧位于刺血针固定件和内部表面之间。刺血机构适合于在静止位置、扳起位置和刺透位置之间进行移动。刺血装置还包括邻近主壳的可移动的壳。可移动的壳适合于从静止位置移动到扳起位置。可移动的壳具有包封了刺血机构的杆的部分的内部表面。所包封的杆的部分具有保持件和围绕杆的至少一定区段的第二弹簧。第二弹簧位于保持件和可移动的壳的内部表面之间。第二弹簧适合于使可移动的壳从扳起位置移动到静止位置。第二弹簧还适合于使刺血机构从刺透位置移动到静止位置。
根据本发明的另一个实施例,披露了使用上述的刺血装置用于对刺血针进行阻尼的方法。方法包括以下动作:提供上述的刺血装置,并且通过移动可移动的壳使之远离主壳而到达扳起位置,压缩驱动弹簧和第二弹簧。方法还包括以下动作:解除对第二弹簧的压缩,以使可移动的壳从扳起位置移动到静止位置,使之邻近主壳,并且激励驱动弹簧,以使刺血针固定件从扳起位置移动到刺透位置。方法还包括以下动作:当刺血针固定件从扳起位置移动到刺透位置的时候,重新压缩第二弹簧,并且解除对第二弹簧的压缩,以使刺血针固定件从刺透位置移动到静止位置。
以上对本发明的概述不是旨在代表本发明的每个实施例或每一个方面。这是接下来的附图和详细描述的目的。
附图说明
当阅读接下来的详细描述时,并且当对附图进行参考时,本发明的前述优点和其它优点是显而易见的。
图1是根据本发明的一个实施例的刺血装置和端罩的透视图。
图2是图1的刺血装置的前视图。
图3是图1的刺血装置的前视图,而刺血针容纳在其内。
图4是图1的刺血装置的截面图,而刺血针容纳在其内,刺血装置在静止位置内。
图5是在扳起位置内的图1的刺血装置的截面图。
图6是在扳起好的位置内的图1的刺血装置的截面图。
图7是在刺透位置内的图1的刺血装置的截面图。
图8是根据本发明的一个实施例的图1的刺血装置的按钮的前视图。
图9是根据本发明的一个实施例的包含在图1的刺血装置内的刺血机构的透视图。
尽管本发明可以进行多种更改并且可以采用多种可选择的形式,但在这里,通过在附图中的例子,显示了特定的实施例,并且详细地描述了特定的实施例。然而,应该理解的是,本发明不是旨在受到所披露的特别形式的限制。相反地,本发明涵盖了在如附加的权利要求书所限定的本发明的主旨和范围内的所有更改、等价物和替代物。
具体实施方式
本发明涉及适合于容纳刺血针用于从检验对象抽取体液的刺血装置。体液大体上包含至少一种分析物,分析物然后可以被检定,以测定其在体液样本内的浓度。
刺血装置和刺血针可以用于从检验对象产生血液样本或体液样本。这个样本然后用仪表和检验条或类似的装置进行分析,以测定所要检定的分析物的浓度。可以用刺血装置进行收集的分析物的类型的例子包括葡萄糖、脂质类(例如胆固醇、甘油三酸酯、LDL或HDL)、微白蛋白、血红蛋白A1C、果糖、乳酸盐或胆红素。
现在翻到附图,并且首先翻到图1-3,图示了根据本发明的一个实施例的用于从检验对象得到流体样本的刺血装置10。刺血装置10具有主壳12,可移动的壳14是可相对于主壳12进行移动的。主壳12包括第一主壳部分12a和第二主壳部分12b。第一主壳部分12a和第二主壳部分12b可以是可移开地可接附的,或可以形成为或模制为一个永久接附的物件。在刺血装置10的检验端上,端罩支撑件16连接到主壳12。端罩18可以可移开地接附到端罩支撑件16。当接附的时候,例如通过一对与端罩支撑件16整合形成在一起的支撑臂20a-b,端罩18保持在端罩支撑件16上。
当使用的时候,可移动的壳14受到拉动而远离主壳12,以使内部刺血机构移动到扳起好的位置,然后下压按钮22,以激励刺血机构24(图9),从而使刺血针30的针尖34的锐利尖端被推过形成在端罩18内的孔(未显示)。刺血装置10可以配备许多不同的端罩18,每个端罩18具有不同的宽度,以有助于以多种深度刺透皮肤。可选择地,端罩18可以包括可调整的调节控制盘26,以通过使用单一的端罩18而允许以不同的深度进行刺透。
图2-3图示了移开了端罩18的刺血装置10。刺血针固定件36包括形成在其内的位于中心的大体上为圆柱形的孔28。如图3所示,孔28适合于容纳刺血针30。刺血针30包括刺血针主体32,而带有锐利尖端的针尖34从针主体延伸。针尖34可以包封在保护罩70(图9)内,以使使用者免于发生意外刺透。另外,保护罩70有助于防止针尖34在使用之前受到污染,并且也可以在使用针尖34之后在废弃刺血针30之前进行替换。
也参考图4,图示了在静止位置内的分离了端罩18的刺血装置10的截面图。通过与其整合形成在一起,刺血针固定件36连接到延长杆38。杆38具有支撑在可移动的壳14内的保持件40。驱动弹簧42围绕杆38布置在刺血针固定件36和与第一主壳部分12a整合形成在一起的弹簧停止件44之间。
可移动的壳14具有一对与其整合形成在一起的延长的柱48a、b。柱48a、b中的每个都经过形成在第一主壳部分12a内的孔(未显示)延伸到主壳12内。在可移动的壳14内,第二弹簧46围绕杆38布置。第二弹簧46的第一端布置靠在可移动的壳14的内部表面上,而第二弹簧46的第二端布置靠在杆38的保持件46上。第二弹簧46沿着刺血装置10的纵向轴线在中心位于可移动的壳14内。
图4图示了当刺血装置10没有使用的时候的刺血装置10的内部。在这个位置内,刺血针固定件36布置在位于刺透位置和扳起好的位置之间的静止位置内。在静止位置内,驱动弹簧42和第二弹簧46都大致上解除压缩,并且彼此处于平衡。图5图示了当刺血针固定件36和可移动的壳14在扳起位置内的时候的刺血装置10的内部(刺血针30未显示),在这个位置内,可移动的壳14受到拉动而远离主壳12。在扳起位置内,当使用者移动可移动的壳14在箭头A的方向上远离壳12的时候,驱动弹簧42和第二弹簧46都大致上受到压缩。
现在参考图4-6和图8,为了使刺血针固定件36从其静止位置移动到其扳起位置,可移动的壳14受到拉动而在箭头A的方向上远离主壳12。可移动的壳14继续受到拉动-对抗驱动弹簧42和第二弹簧46的力-直到多个形成在刺血针固定件36上的成角度的停止部件50a、b移动经过(如图4-6所示向右)多个位于按钮22上的抓持臂52a、b(如图8最佳所示)。抓持臂52a、b中的每个具有适合于接合成角度的停止部件50a、b的各自的端部53a、b。抓持臂52a、b的端部53a、b相反于成角度的停止部件50a、b成角度,从而当成角度的停止部件50a、b在箭头A的方向上进行移动的时候,它们接触抓持臂52a、b的端部53a、b。成角度的停止部件50a、b的移动在第一主壳部分12a的方向上推动抓持臂52a、b的端部53a、b及所接附的按钮22。
一旦成角度的停止部件50a、b移动经过抓持臂52a、b的端部53a、b,位于第二主壳部分12b和按钮22之间的弹簧机构64(图8)推动抓持臂52a、b朝向第一主壳部分12a。这个移动使抓持臂52a、b的端部53a、b接合成角度的停止部件50a、b。在这个位置内,防止由于驱动弹簧42而引起的刺血针固定件36在箭头B的方向上的移动。如图6所示,在接合了成角度的停止部件50a、b之后,使用者释放可移动的壳14,并且允许现在受到压缩的第二弹簧46推动可移动的壳14回到其邻近主壳12的初始位置。刺血装置10现在在其扳起好的位置内,在其中,驱动弹簧42大致上受到压缩,同时第二弹簧46大致上解除压缩。
通过形成在刺血针固定件36的部分上的引导肋56(图9),刺血针固定件36在其静止位置和扳起好的位置之间受到引导。引导肋56行进在形成在一对凸起的引导轨道60a、b之间的槽58内,引导轨道60a、b形成在第一主壳12a的内部部分内。
为了在检验对象的皮肤上形成刺孔,端罩18接附到刺血装置10。当端罩18接附的时候,刺血针固定件36可以在扳起好的位置内,或一旦当端罩18可移开地接附到端罩支撑件16的时候,刺血针固定件36就可以扳起。端罩18然后牢固地放置靠在进行刺透的皮肤上,并且下压按钮22。下压按钮22使与按钮22的底部整合形成在一起的抓持臂52a、b(图8)朝向第一主壳部分12a进行移动而远离刺血针固定件36。因而,不再通过抓持臂52a、b的端部53a、b与刺血针固定件36的成角度的停止部件50a、b接触而防止刺血针固定件36在箭头B的方向上进行移动。弹簧机构64(图8)-例如可发生弹性变形的泡沫材料-布置在按钮22和主壳12的部分之间,以使按钮22偏置到其非激励的位置。
当如上所述释放刺血针固定件36时,驱动弹簧42在箭头B的方向上推动刺血针固定件36,直到针尖34的锐利尖(图3)经过在端罩18内的孔24,以进行刺透。当刺血针固定件36在箭头B的方向上进行移动的时候,所接附的杆38也在箭头B的方向上进行移动。当刺血针固定件36移动到刺透位置的时候,杆38的保持件40使第二弹簧46进行压缩。最后,受到压缩的第二弹簧46的返回力变得比驱动弹簧42的刺透力大。在此时,第二弹簧46的返回力使刺血针固定件36改变方向并且通过在箭头A的方向上进行移动而返回到其静止位置。可选择地,在一些实施例中,所提供的停止部件使刺血针固定件36停止而不会在箭头B的方向上移动得太远,此时第二弹簧46使刺血针固定件36返回到其静止位置。
然而,刺血针固定件36典型地在箭头A的方向上移动得比返回到其静止位置所需要的远。因而,轻微地对驱动弹簧42进行重新压缩,这使刺血针固定件36再次行进在箭头B的方向上。当刺血针固定件36开始在箭头B的方向上移动回来(由于轻微地对驱动弹簧42进行重新压缩)的时候,第二弹簧重新压缩。重新压缩第二弹簧46所需的力有效地对刺血针固定件36的移动进行阻尼。这样的阻尼有助于抑制或防止驱动弹簧42引起对皮肤进行第二次不想要的刺透-并且抑制或防止其本来的发生振动的趋势(由于它是可发生弹性变形的)。
现在翻到图8,图示了根据本发明的一个实施例的按钮22。按钮22包括主体62,两个抓持臂52a、b从主体62延伸。抓持臂52a、b中的每个分别包括相反于主体62的端部53a、b。每个端部53a、b适合于接合刺血针固定件36的成角度的停止部件50a、b。弹簧机构64例如可发生弹性变形的泡沫位于主体62的下侧上。如以上就图4-6所讨论的那样,当按钮22合并到刺血装置10内的时候,弹簧机构64接触第二主壳部分12b的部分,以使按钮22偏置在非激励位置内。
现在翻到图9,图示了布置在刺血针固定件36内的刺血针30的透视图。所显示的刺血针30带有具有与刺血针主体32整合形成在一起的部分并且覆盖了针尖34的锐利尖的保护罩70。在使用刺血装置10之前,新的刺血针30的刺血针主体32***到布置在刺血针固定件36内的圆柱形的孔内,然后在图9所示的箭头C的方向上,将保护罩70从刺血针组件30拧下来。
刺血针固定件36包括适合于***到槽58(图5-6)内的引导肋56。引导肋56和槽58适合于有助于通过刺血针30对检验对象的皮肤进行线性的刺透。线性的刺孔是优选的,因为对于刺破皮肤,它们具有产生较小疼痛并且使复原加快的趋势。
上述刺血装置10的结构提供了许多先前通过典型的刺血装置没有认识的优点。例如,第二弹簧46既用于使可移动的壳14从扳起位置移动到静置位置,也用于使刺血针固定件36从其刺透位置返回到其静置位置。因而,通过只使用两个弹簧,刺血装置10是全功能的。
使用两个相反的弹簧,这允许只通过对在驱动弹簧42和第二弹簧46之间的弹簧比值进行调整而对刺透强度进行调整,这减小了对计算装置的多种构件的摩擦相互作用和质量的需要。典型地,驱动弹簧42的弹簧常数大于第二弹簧46的弹簧常数,这使第二弹簧46由于由驱动弹簧42提供的力而初始受到压缩。
上述刺血装置10的结构也允许驱动弹簧42和第二弹簧46都自由地浮置在杆38上。因而,不再需要接附每个弹簧的一端或两端,这减小了制造刺血装置10所需要的成本和时间。
尽管就一个或多个特别的实施例对本发明进行了描述,但本领域的那些技术人员应该认识到的是,在不偏离本发明的主旨和范围的情况下,可以对其进行许多改变。这些实施例和其明显的变体中的每个都被认为在本发明的主旨和范围内,这在接下来的权利要求书中进行了阐述。
Claims (13)
1.一种刺血装置,其包括:
具有包封了刺血机构的部分的内部表面的主壳,刺血机构包括接附到杆的刺血针固定件和围绕杆的部分的驱动弹簧,驱动弹簧位于刺血针固定件和内部表面之间,刺血机构适合于在静止位置、扳起位置和刺透位置之间进行移动;和
邻近主壳的可移动的壳,可移动的壳适合于从静止位置移动到扳起位置,可移动的壳具有包封了刺血机构的杆的部分的内部表面,所包封的杆的部分具有保持件和围绕杆的至少一定区段的第二弹簧,第二弹簧位于保持件和可移动的壳的内部表面之间,
在其中,第二弹簧适合于使可移动的壳从扳起位置移动到静止位置,第二弹簧还适合于使刺血机构从刺透位置移动到静止位置。
2.根据权利要求1所述的刺血装置,其特征在于,第二弹簧具有小于驱动弹簧的弹簧常数的弹簧常数。
3.根据权利要求1所述的刺血装置,其特征在于,驱动弹簧没有接附到刺血针固定件或主壳的内部表面。
4.根据权利要求1所述的刺血装置,其特征在于,第二弹簧没有接附到杆的保持件或可移动的壳的内部表面。
5.根据权利要求1所述的刺血装置,其特征在于,驱动弹簧和第二弹簧都没有接附到刺血机构的任何构件。
6.根据权利要求1所述的刺血装置,其特征在于,第二弹簧围绕整个包封在可移动的壳内的杆的部分。
7.一种用于对刺血针进行阻尼的方法,其包括以下动作:
提供刺血装置,其包括
(i)具有包封了刺血机构的部分的内部表面的主壳,刺血机构包括接附到杆的刺血针固定件和围绕杆的部分的驱动弹簧,驱动弹簧位于刺血针固定件和内部表面之间,刺血机构适合于在静止位置、扳起位置和刺透位置之间进行移动;和
(ii)邻近主壳的可移动的壳,可移动的壳适合于从静止位置移动到扳起位置,可移动的壳具有包封了刺血机构的杆的部分的内部表面,所包封的杆的部分具有保持件和围绕杆的至少部分的第二弹簧,第二弹簧位于保持件和可移动的壳的内部表面之间;
通过移动可移动的壳远离主壳而到达扳起位置,压缩驱动弹簧和第二弹簧;
解除对第二弹簧的压缩,以使可移动的壳从扳起位置移动到静止位置,邻近主壳;
激励驱动弹簧,以使刺血针固定件从扳起位置移动到刺透位置;
当刺血针固定件从扳起位置移动到刺透位置的时候,重新压缩第二弹簧;和
解除对第二弹簧的压缩,以使刺血针固定件从刺透位置移动到静止位置。
8.根据权利要求7所述的方法,还包括以下动作:对在驱动弹簧和第二弹簧之间的弹簧比值进行调整,以当刺血针固定件从扳起位置移动到刺透位置的时候,对施加到刺血针固定件的力进行调整。
9.根据权利要求7所述的方法,其特征在于,驱动弹簧没有接附到刺血针固定件或主壳的内部表面。
10.根据权利要求7所述的方法,其特征在于,第二弹簧没有接附到杆的保持件或可移动的壳的内部表面。
11.根据权利要求7所述的方法,其特征在于,驱动弹簧和第二弹簧都没有接附到刺血机构的任何构件。
12.根据权利要求7所述的方法,其特征在于,第二弹簧具有小于驱动弹簧的弹簧常数的弹簧常数。
13.根据权利要求7所述的方法,还包括以下动作:当刺血针固定件从扳起位置移动到刺透位置的时候,用由刺血针固定件容纳的刺血针刺破检验对象的皮肤。
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- 2005-02-04 DE DE602005011251T patent/DE602005011251D1/de active Active
- 2005-02-04 AU AU2005212297A patent/AU2005212297A1/en not_active Abandoned
- 2005-02-04 CN CNB2005800041439A patent/CN100508888C/zh active Active
- 2005-02-04 BR BRPI0507324-3A patent/BRPI0507324A/pt not_active IP Right Cessation
- 2005-02-04 JP JP2006552279A patent/JP2007521122A/ja not_active Withdrawn
- 2005-02-04 WO PCT/US2005/003623 patent/WO2005077275A1/en active Application Filing
- 2005-02-04 CA CA002553624A patent/CA2553624A1/en not_active Abandoned
- 2005-02-04 ES ES05712899T patent/ES2315844T3/es active Active
- 2005-02-04 AT AT05712899T patent/ATE415127T1/de not_active IP Right Cessation
- 2005-02-04 EP EP05712899A patent/EP1713391B1/en active Active
- 2005-02-04 KR KR1020067015913A patent/KR20060134055A/ko not_active Application Discontinuation
- 2005-02-04 US US10/590,533 patent/US20080039885A1/en not_active Abandoned
- 2005-02-04 PL PL05712899T patent/PL1713391T3/pl unknown
- 2005-02-04 RU RU2006132065/14A patent/RU2006132065A/ru not_active Application Discontinuation
- 2005-02-04 EP EP08018281A patent/EP2011439A1/en not_active Withdrawn
-
2006
- 2006-08-07 MA MA29247A patent/MA28351A1/fr unknown
- 2006-09-05 NO NO20063975A patent/NO20063975L/no not_active Application Discontinuation
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Cited By (2)
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CN102098962A (zh) * | 2008-06-06 | 2011-06-15 | 格雷斯海姆雷根斯堡股份有限公司 | 用于取血样的穿刺设备 |
CN102098962B (zh) * | 2008-06-06 | 2015-03-11 | 格雷斯海姆雷根斯堡股份有限公司 | 用于取血样的穿刺设备 |
Also Published As
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AU2005212297A1 (en) | 2005-08-25 |
EP1713391A1 (en) | 2006-10-25 |
CA2553624A1 (en) | 2005-08-25 |
DE602005011251D1 (de) | 2009-01-08 |
JP2007521122A (ja) | 2007-08-02 |
NO20063975L (no) | 2006-09-05 |
ES2315844T3 (es) | 2009-04-01 |
EP1713391B1 (en) | 2008-11-26 |
EP2011439A1 (en) | 2009-01-07 |
PL1713391T3 (pl) | 2009-05-29 |
US20080039885A1 (en) | 2008-02-14 |
CN100508888C (zh) | 2009-07-08 |
CR8598A (es) | 2007-02-07 |
ATE415127T1 (de) | 2008-12-15 |
WO2005077275A1 (en) | 2005-08-25 |
MA28351A1 (fr) | 2006-12-01 |
PT1713391E (pt) | 2009-01-23 |
KR20060134055A (ko) | 2006-12-27 |
BRPI0507324A (pt) | 2007-07-03 |
RU2006132065A (ru) | 2008-03-20 |
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