CN102894972B - 生理信号搜集单元及其探头 - Google Patents
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Abstract
一种生理信号搜集单元及其探头,该生理信号搜集单元搭配一生理信号测量设备测量一覆盖有毛发的受测部位的生理信号,并包括一弹性束缚体及至少一探头。弹性束缚体供套戴于受测部位,开设有穿孔。探头包括一围绕界定出一通孔的电路基板,及设于该电路基板的电连接器与信号搜集元件。电路基板的外径大于等于该弹性束缚体的穿孔的孔径。使用时,受测部位的毛发成束地穿伸于该电路基板的通孔,电路基板穿过穿孔而夹设于弹性束缚体与受测部位间,信号搜集元件接触该受测部位的皮肤,该生理信号测量设备导接电连接器且控制信号搜集元件运作而取得生理信号。
Description
技术领域
本发明涉及一种生理信号测量工具,特别是涉及一种适用于覆盖有毛发的部位的生理信号搜集单元及其探头。
背景技术
目前的头部生理信号测量装置的应用,例如光容积脉波信号(photoplethysmography,PPG)测量、脑部带氧与不带氧血红素测量以及脑区域血氧(regional cerebral oxygen saturation,rSO2)测量,可用来分析脑部的血液流动情形,技术上是利用例如发光二极管的发光元件针对受测部位进行照射,再利用例如光晶体管或感光二极管的光感测元件接收该受测部位反射或透射的光线,进行信号处理及分析。
然而,头皮外部有毛发覆盖,在进行脑部光容积脉波信号测量、脑部血红素与区域血氧侦测时,光线的发射与接收皆会受到毛发阻碍而散射、影响强度,以致于无法正确获得脑部光容积脉波信号。现有改善方案,大多是提高发光元件的功率以确保接收的光强度,但高功率的光线照射可能造成皮肤组织的温度变化,使得血管扩张而影响血液流动情形,甚至伤害皮肤与脑部组织;另一方面,还有耗电以及发量影响光反射强弱等问题。
另外例如脑波(electroencephalogram,EEG)测量装置,包括脑波帽与多个电极,用来测量脑波,为了确保信号传递效果,测量时须于各电极与头皮接触部位施予导电胶。然而,现有脑波测量装置配戴程序复杂,且受测者测量完毕后必须清洗毛发去除导电胶。
综上所述,头部生理信号测量装置受到毛发覆盖的影响,为避免信号干扰,现有改善方案各有缺失或不便处。
发明内容
本发明的目的在于提供一种生理信号搜集单元及其探头。
本发明的目的以及解决的技术问题是采用以下技术方案来实现的。依据本发明提出的生理信号搜集单元,搭配一生理信号测量设备以测量一覆盖有毛发的受测部位的生理信号;并包括一弹性束缚体及至少一探头。弹性束缚体供套戴于该受测部位,且开设有至少一穿孔。探头包括一围绕界定出一通孔的电路基板,及设于该电路基板的一电连接器与至少一信号搜集元件,该电路基板的外径大于等于该弹性束缚体的穿孔的孔径。
借此,该受测部位的毛发能成束地穿伸于该电路基板的通孔,当该电路基板穿过该穿孔而夹设于该弹性束缚体与该受测部位间,该信号搜集元件接触该受测部位皮肤,该电连接器与该生理信号测量设备导接,该生理信号测量设备控制该信号搜集元件运作而取得生理信号。
前述探头的电路基板可以呈封闭环状,该电连接器设置于该电路基板邻近外周缘处;也可以呈C形环状,该电连接器设置于该电路基板邻近外周缘且远离该C形缺口处;或者呈U形,该电连接器设置于该电路基板邻近外周缘且远离该U形缺口处。
该探头的信号搜集元件可以是一电信号感测电极,或者数量至少为二,并区分为至少一发光元件及一邻近于该发光元件的感光元件。当探头是用来搜集信号以供计算脑区域血氧饱和度时,需要两种以上不同波长的发光源,通常采用一个红光二极管及一个近红外光二极管。但若为其他用途,则不限定为二个发光元件。该感光元件设置于两者间。当然也可以是电信号感测电极、发光元件及感光元件同时存在。
本发明的有益效果在于:利用特制的探头搭配弹性束缚体的使用,能有效避开受测部位的覆盖毛发,让电信号感测电极或发光元件、感光元件能够直接接触受测部位的皮肤,以搭配脑部光容积脉波信号测量装置使用来说,可避免毛发所造成的光线阻绝及干扰;以搭配脑波测量装置使用来说,则不用繁杂的配戴程序且无须导电胶帮助导电。
附图说明
图1是一示意图,说明本发明的生理信号搜集单元的较佳实施例的穿戴过程;
图2是一平面示意图,说明本实施例中探头的设计;
图3是一立体图,说明本实施例中探头的设计;
图4及图5各是另一平面示意图,说明本实施例中,探头的电路基板的形状变化态样;
图6是一位置关系示意图,说明本实施例使用时,毛发束起而露出无干扰的区域;
图7是一俯视示意图,说明本实施例使用时,探头放置的状态。
具体实施方式
下面结合附图及实施例对本发明进行详细说明。
参阅图1与图6,本发明的生理信号搜集单元1的较佳实施例是搭配一生理信号测量设备(图未示),例如光容积脉波信号(PPG)测量装置、脑波(EEG)测量装置及脑区域血氧饱和度(rSO2)测量装置等,来测量一覆盖有毛发42的受测部位41,例如头部的生理信号。
本实施例的生理信号搜集单元1包括一弹性束缚体2及多个探头3。弹性束缚体2是由弹性布料制成帽体、头巾、绑带等形式,供受测者套戴于受测部位41。弹性束缚体2开设有至少一穿孔21。
参阅图2及图3,探头3包括一围绕界定出一通孔310的电路基板31,及设于该电路基板31的一电连接器32与多个信号搜集元件。本实施例所述的信号搜集元件包括有一电信号感测电极331、属于发光元件的二红光二极管332、二近红外光二极管333及属于感光元件且设置于红光二极管332与近红外光二极管333间的二感光二极管334或光晶体管,但不以此为限。若生理信号搜集单元1只与脑波测量装置搭配使用,信号搜集元件只需要有电信号感测电极331即可;若生理信号搜集单元1只与光容积脉波信号测量装置搭配使用,信号搜集元件只需要一红光二极管332与一近红外光二极管333其中至少一种及感光二极管334即可;若生理信号搜集单元1是与脑区域血氧饱和度测量装置搭配使用,才需要两种以上不同波长的发光源,例如一个红光二极管332与一个近红外光二极管333及设在两者间的感光二极管334。此外,一个探头3中的信号搜集元件数量不限。
图2及图3所示的电路基板31呈C形环状,电连接器32设置于电路基板31邻近外周缘且远离该C形缺口处,但也可以采用如图4所示的呈封闭环状的电路基板31’,电连接器32设置于电路基板31’邻近外周缘处,或者采用如图5所示的呈U形的电路基板31”,电连接器32设置于电路基板31”邻近外周缘且远离该U形缺口处,只要能围绕界定出通孔310即可。
参阅图1、图3、图6及图7,电路基板31的外径大于或至少等于弹性束缚体2的穿孔21的孔径。使用时,受测者先戴上弹性束缚体2,再将穿孔21处的毛发42拨出、成束地从C形缺口处穿伸于电路基板31的通孔310,此时被拨出的毛发42周围露出无干扰的区域,接着将探头3以信号搜集元件邻近受测者的方向塞入穿孔21,使电路基板31夹设于弹性束缚体2与该受测部位41间,信号搜集元件接触该无干扰的区域。电连接器32可外露于穿孔21以方便与生理信号测量设备的导线插接,该生理信号测量设备控制信号搜集元件运作而取得生理信号。
综上所述,本发明以特制的探头3搭配弹性束缚体2的使用,能有效避开受测部位41的覆盖毛发,让电信号感测电极331或发光元件、感光元件能够直接接触受测部位41的皮肤,以搭配光容积脉波信号测量装置使用来说,可避免毛发所造成的光线阻绝及干扰;以搭配脑波测量装置使用来说,不用繁杂的配戴程序且无须导电胶帮助导电,故确实能达成本发明的目的。
Claims (14)
1.一种生理信号搜集单元,搭配一生理信号测量设备以测量一覆盖有毛发的受测部位的生理信号,该生理信号搜集单元包括至少一探头,该探头包括至少一信号搜集元件及一电连接器;其特征在于,该生理信号搜集单元还包括:
一弹性束缚体,供套戴于该受测部位,且开设有至少一穿孔;并且
该至少一探头还包括一围绕界定出一通孔的电路基板,该电连接器与该信号搜集元件设置于该电路基板,该电路基板的外径大于等于该弹性束缚体的穿孔的孔径;
借此,该受测部位的毛发能成束地穿伸于该电路基板的通孔,当该电路基板穿过该穿孔而夹设于该弹性束缚体与该受测部位间时,该信号搜集元件接触该受测部位的皮肤,该电连接器与该生理信号测量设备导接,该生理信号测量设备控制该信号搜集元件运作而取得生理信号。
2.根据权利要求1所述的生理信号搜集单元,其特征在于,该探头的电路基板呈封闭环状,该电连接器设置于该电路基板邻近外周缘处。
3.根据权利要求1所述的生理信号搜集单元,其特征在于,该探头的电路基板呈C形环状,该电连接器设置于该电路基板邻近外周缘且远离C形缺口处。
4.根据权利要求1所述的生理信号搜集单元,其特征在于,该探头的电路基板呈U形,该电连接器设置于该电路基板邻近外周缘且远离U形缺口处。
5.根据权利要求1至4中任一项所述的生理信号搜集单元,其特征在于,该探头的信号搜集元件为一电信号感测电极。
6.根据权利要求1至4中任一项所述的生理信号搜集单元,其特征在于,该探头的信号搜集元件数量至少为二,并区分为至少一发光元件及一邻近于该发光元件的感光元件。
7.根据权利要求6所述的生理信号搜集单元,其特征在于,该发光元件的数量为二,其中一个为红光二极管,另一个为近红外光二极管。
8.一种探头,适用于接触一覆盖有毛发的受测部位并搜集生理信号,该探头包括至少一信号搜集元件及一电连接器;其特征在于,该探头还包括:
一电路基板,围绕界定出一供该受测部位的毛发成束地穿伸的通孔,该电连接器与该信号搜集元件设置于该电路基板,且该至少一信号搜集元件接触该受测部位并受控运作而取得生理信号。
9.根据权利要求8所述的探头,其特征在于,该电路基板呈封闭环状,该电连接器设置于该电路基板邻近外周缘处。
10.根据权利要求8所述的探头,其特征在于,该电路基板呈C形环状,该电连接器设置于该电路基板邻近外周缘且远离C形缺口处。
11.根据权利要求8所述的探头,其特征在于,该电路基板呈U形,该电连接器设置于该电路基板邻近外周缘且远离U形缺口处。
12.根据权利要求8至11中任一项所述的探头,其特征在于,该信号搜集元件为一电信号感测电极。
13.根据权利要求8至11中任一项所述的探头,其特征在于,该信号搜集元件数量至少为二,并区分为至少一发光元件及一邻近于该发光元件的感光元件。
14.根据权利要求13所述的探头,其特征在于,该发光元件的数量为二,其中一个为红光二极管,另一个为近红外光二极管。
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US9420961B2 (en) | 2016-08-23 |
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TW201304736A (zh) | 2013-02-01 |
US20130030270A1 (en) | 2013-01-31 |
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