CN103080727A - 用于记录尤其来自活组织的光谱的测量设备 - Google Patents

用于记录尤其来自活组织的光谱的测量设备 Download PDF

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CN103080727A
CN103080727A CN2011800289590A CN201180028959A CN103080727A CN 103080727 A CN103080727 A CN 103080727A CN 2011800289590 A CN2011800289590 A CN 2011800289590A CN 201180028959 A CN201180028959 A CN 201180028959A CN 103080727 A CN103080727 A CN 103080727A
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H.琼曼
M.希特泽尔
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Abstract

本发明涉及一种测量设备,所述测量设备具有可移动的包含测量头结构(1)的分光仪装置,其中所述测量头结构被这样构造使得能够在组织片段上放置所述测量头结构以便实施光谱测定的测量,并且所述测量设备具有插座元件(3),所述插座元件形成在其内部能够插入测量头结构的内部容纳空间,其中在邻接内部容纳空间的底部区域中布置了由混浊材料所构成的校准介质(5),并且所述插座元件与所述测量头结构被这样构造,使得在将测量头结构插入到插座元件内之后校准介质相对于外部环境被不透光地隔离。

Description

用于记录尤其来自活组织的光谱的测量设备
技术领域
本发明涉及一种测量设备,其用于采集表示关于光谱的、尤其来自于活组织的测量信号,例如用于对体液的以及必要时也对仅临时与血管有关的物质的存在
Figure BDA00002570766200011
浓度或者物质组成进行确定。
背景技术
公知如下可移动的分光仪,通过其可以完成对临时与血管相关的物质的分析,方法是在待检查的生物的相应组织区域上放置该分光仪并且通过该可移动的分光仪来分别记录从组织中射出的反射光。依据这样记录的光谱可以最大不同地获知在检查的组织区域中存在的物质。该分光仪可以被构造为经典的分光仪,其中通过光学措施来完成入射光的分解并且在按照波长分类的情况下测量所分解的光的强度。为了避开可移动部分,可以这样构造分光仪,使得按照其波长所分解的光被引导至CCD阵列并且通过所述CCD阵列进行分析。
发明内容
本发明要解决的基本的技术问题是,提出一种通过其能够以特别高的可靠性实施光谱测定的测量的解决方法。
按照本发明,上述技术问题通过一种测量设备来解决,所述测量设备具有:
-可移动的、包含测量头结构的分光仪装置,其中测量头结构被这样构造,使得该测量头结构能够放置在组织片段上以便实施光谱测定的测量,以及
-插座元件,所述插座元件形成内部容纳空间,在所述内部容纳空间中能够插入测量头结构,
-其中在邻接内部容纳空间的底部区域中布置了由混浊材料所构成的校准介质,并且
所述插座元件与所述测量头结构被这样构造,使得在将该测量头结构插入到插座元件内之后所述校准介质相对于外部环境被不透光地隔离。
由此可以以优选的方式在插入光谱装置之前直接实施校准测量,通过所述校准测量以高质量保证了设备在相关的光谱范围内可靠地工作。
优选地,将校准介质可拆卸地固定在插座元件中。校准介质优选这样构造,使得所述校准介质在其物质组成以及散射特性上基本上对应于皮肤的特征。校准介质能够被实施为插入式薄片,并且优选被构造为具有大约6mm的厚度。可以成组地提供多个这样的校准薄片。所述校准薄片优选这样构造,使得其形成容积辐射器,所述容积辐射器的散射特性相应于人体皮肤的特性。可以分别借助特定的物质来掺杂这些插入式薄片,从而针对特定的检查可以依据不透光的试样在这些物质上对分光仪进行校准。
分光仪的测量头结构优选这样构造,使得所述测量头结构经由第一光导体和第二光导体与光源装置相耦合,并且经由第三光导体与分光仪装置相耦合,其中光导体进入到由测量头结构所提供的罩面内,并且其中光导体的进入位置被这样彼此调谐,使得第一和第二光导体的进入位置与第三光导体的进入位置之间的距离不同。
优选这样构造测量头结构,使得光导体从后面基本上垂直地进入到罩面内。
第一光导体的进入位置与第三光导体的进入位置之间的距离优选大于第二光导体的进入位置与第三光导体的进入位置之间的距离。
第一光导体的进入位置与第三光导体的进入位置之间的距离优选等于第一光导体的进入位置与第二光导体的进入位置之间的距离。
可以这样构造测量头结构,使得光导体的进入位置形成了三角形的角点,其中在通向第三光导体的进入位置的侧边之间所定义的内角位于79°-94°范围内,优选为89°。
这样构造用于测量活的人体组织的测量头结构的特别优选的结构,使得第一光导体的进入位置与第三光导体的进入位置之间的距离为3.6mm。第二光导体的进入位置与第三光导体的进入位置之间的距离在此优选为2.3mm。
按照本发明的特别方面这样构造光源装置,使得所述光源装置包含两个分离的LED光源,所述LED光源分别配备给所述光导体中的一个。光导体优选被实施为无铁的多丝纤维。
附图说明
从下面的描述中结合附图给出了本发明的其它细节和特征。附图中:
图1示出了用于阐述按照本发明的可移动的测量装置的构造的简图。
具体实施方式
图1示出了用于对活组织进行光谱测定的分析的测量设备。测量设备包含测量头1。测量头1包含第一光导体L1和第二光导体L2,所述两个光导体在基本设备2的范围内与光源装置Q1、Q2相耦合。测量头1还具有第三光导体L3,所述第三光导体与同样设置在基本设备中的分光仪装置7相耦合。这些光导体L1、L2、L3进入到由测量头结构1所提供的罩面A内,并且其中光导体L1、L2、L3的进入位置这样彼此调谐,使得第一和第二光导体L1、L2的进入位置与第三光导体L3的进入位置之间的距离a、b明显不同、优选至少差别0.4mm。
光导体L1、L2和L3这样接入测量头结构1,使得所述光导体从后面基本上垂直地进入到罩面A内。罩面A或者光导体L1、L2、L3的进入窗口可以备配有封闭(Versiegelung)或者细的窗口结构,从而使得光导体是光学可通行的并且此外被机械地保护。
第一光导体L1的进入位置与第三光导体L3的进入位置之间的距离大于第二光导体L2的进入位置与第三光导体L3的进入位置之间的距离。第一光导体L1的进入位置与第三光导体L3的进入位置之间的距离等于第一光导体L1的进入位置与第二光导体L2的进入位置之间的距离。
光导体L1、L2、L3的进入位置在此形成了三角形的角点,其中在通向第三光导体L3的进入位置的侧边之间所定义的内角α位于79°-94°范围内,优选为89°。
第一光导体L1的进入位置与第三光导体L3的进入位置之间的距离在具体的实施例中优选为3.6mm。第二光导体L2的进入位置与第三光导体L3的进入位置之间的距离在此则优选为2.3mm。
光源装置包含两个分离的LED光源Q1、Q2,所述LED光源分别配备给光导体L1、L2中的一个。光导体L1、L2被实施为无铁的多丝纤维并且通过应变消除(Zugentlastung)接入未进一步示出的外罩中。分光仪装置包含CCD阵列7,通过所述CCD阵列可以在按照波长进行分类的情况下对通过第三光导体L3采集的光的强度的光谱分布进行采集。
罩面优选被构造为基本上圆形的或者轻微椭圆形的表面。光导体L1、L2、L3的进入位置优选这样确定,使得通过进入位置相应地定义的三角形的平面重心基本上与罩面的平面重心相一致。
这样构造测量头结构1,使得其能够放置在组织片段上以便实施光谱测定的测量。测量设备包含插座元件3,所述插座元件形成了内部容纳空间4,在所述内部容纳空间内能够插入测量头结构1。在与内部容纳空间4相邻接的底部区域内布置了由混浊材料所构成的校准介质5。校准介质5形成了容积辐射器。
这样构造插座元件3和测量头结构1,使得在将测量头结构1插入到插座元件3之后校准介质5相对于外部环境被不透光地隔离。为此还设置了密封装置6。
在此处所示出的实施例中,将校准介质5可拆卸地固定在插座元件3中。
这样构造校准介质5,使得所述校准介质在其物质组成以及散射特性上基本上相应于皮肤的特征。校准介质5被实施为插入式薄片并且具有大约6mm的厚度。
为了进行试验或者校准测量,将测量头结构以这种程度插入到插座元件3中,使得罩面A置于校准介质5上。
分光仪装置或所连接的信号处理装置的校准或者校正可以在采用优选存储在测量设备中存储的信号处理程序的情况下尽可能地自动进行,方法是,在将测量头1插入到插座元件3中之后进行测量以及通过相应的接口将该测量分类为校准测量、校正测量或参考测量。

Claims (9)

1.一种测量设备,其具有:
-可移动的分光仪装置,该分光仪装置包含测量头结构(1),其中,所述测量头结构被这样构造,使得所述测量头结构能够被放置在组织片段上以便实施光谱测定的测量,以及
-插座元件(3),所述插座元件形成在其内部能够插入测量头结构(1)的内部容纳空间(4),
-其中在邻接内部容纳空间的底部区域中布置了校准介质(5),并且
所述插座元件(3)与所述测量头结构(1)被这样构造,使得在将该测量头结构(1)插入到插座元件(3)内之后所述校准介质(5)相对于外部环境被不透光地隔离。
2.按照权利要求1所述的测量设备,其特征在于,所述校准介质由混浊材料制成。
3.按照权利要求1或2所述的测量设备,其特征在于,所述校准介质被可拆卸地固定在所述插座元件内。
4.按照权利要求1至3中至少一项所述的测量设备,其特征在于,所述校准介质被这样构造,使得所述校准介质在其物质组成以及散射特性上基本上对应于人体皮肤组织的特征。
5.按照权利要求1至4中至少一项所述的测量设备,其特征在于,所述校准介质被实施为插入式薄片并且具有大约6mm的厚度。
6.按照权利要求1至5中至少一项所述的测量设备,其特征在于,所述测量设备包含具有光源装置、分光仪装置以及测量头结构的测量装置,其中所述测量头结构经由第一光导体和第二光导体与所述光源装置相耦合,并且经由第三光导体与所述分光仪装置相耦合,并且其中所述光导体进入到由所述测量头结构所提供的罩面内,并且其中所述光导体的进入位置被这样彼此调谐,使得所述第一和第二光导体的进入位置与所述第三光导体的进入位置之间的距离不同。
7.按照权利要求6所述的测量设备,其特征在于,所述光导体在后面基本上垂直地进入到罩面内。
8.按照权利要求6或7所述的测量设备,其特征在于,所述第一光导体的进入位置与所述第三光导体的进入位置之间的距离大于所述第二光导体的进入位置与该第三光导体的进入位置之间的距离。
9.按照权利要求1至8中至少一项所述的测量设备,其特征在于,所述光导体L1、L2和L3接入外罩,并且设置穿孔连接装置,以便以可拆卸的方式将所述光导体L1、L2、L3与基本设备(2)进行光学地连接。
CN2011800289590A 2010-04-12 2011-04-11 用于记录尤其来自活组织的光谱的测量设备 Pending CN103080727A (zh)

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PCT/EP2011/001791 WO2011128053A2 (de) 2010-04-12 2011-04-11 Messanordnung zur aufzeichnung eines spektrums, insbesondere aus vitalem gewebe

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JP2013540257A (ja) 2013-10-31
EP2558845A2 (de) 2013-02-20

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