CN106361335B - 一种电阻抗信号采集装置 - Google Patents
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Abstract
本发明涉及医疗器械，尤其是一种电阻抗信号采集装置。发明中的一种电阻抗断层成像信号采集装置，电阻抗断层成像信号采集装置，包括松紧带、外层绑带、牵引带和多个信号采集单元，牵引带上设有牵引带魔术贴勾面，信号采集单元均匀分布在松紧带上；牵引带穿过外层绑带、与松紧带相连；电极凸部与魔术贴勾面相连、碗部穿过通孔与人体头部接触，电极碗部在与头部接触部位可涂导电膏；外层绑带包括外层绑带头部和外层绑带尾部，外层绑带头部内侧设有外层绑带魔术贴勾面，外层绑带外侧设有外层绑带毛面。松紧带满足目标大小的适应性，小绑带满足舒适性，绒布层设计符合人体工学设计。
Description
技术领域
本发明涉及医疗器械，尤其是一种电阻抗信号采集装置。
背景技术
电阻抗断层成像是医学成像技术的一个新方向，它的基本原理是根据人体内不同组织在不同的生理、病理状态下具有不同的电阻/电导率，采用各种方法给人体施加小的安全驱动电流或感应电流，通过测量驱动电流在人体的响应信息，重建人体内部的电阻率分布或其变化的图像。 电阻抗断层成像技术具有很多优势，如对人体无创，无电离和辐射危险，系统结构简单，测量简便，可以用于快速的便携式成像，并且在对于人体脑部胃肺部进行连续动态的图像监护方面具有广泛的应用前景，这些是目前多数临床成像手段难以做到的。利用该技术，可以得到人体器官的功能性变化图像。既往研究表明某些人体组织的生理功能变化能引起组织阻抗的变化（如组织充血和水肿等），某些组织病理改变也能引起组织阻抗的变化（如癌变等），这些信息将会在电阻抗断层成像的图像中体现出来。电阻抗成像技术应用的瓶颈在于采集无线或电极的布局，目前还没有一种适用于临床实际使用的布局方法，电阻抗成像信号采集需要满足下面条件：天线或电极围绕目标平均布置；还要对目标周长大小有一定的适应性；有一定的紧固性；每个天线或电极要能独立查看满足安装维护的需要。
发明内容
为了解决现有技术存在的不足，本发明提供了一种使用方便、便于维护的电阻抗信号采集装置。
本发明中的一种电阻抗断层成像信号采集装置，包括松紧带、外层绑带、牵引带和多个信号采集单元，牵引带上设有牵引带魔术贴勾面，信号采集单元均匀分布在松紧带上；牵引带穿过外层绑带、与松紧带相连；信号采集单元包括从上到下依次设有的魔术贴勾面、魔术贴毛面、松紧带、第二魔术贴毛面和绒布层，魔术贴毛面、松紧带、第二魔术贴毛面和绒布层上设有用于放置电极的通孔，电极凸部与魔术贴勾面相连、碗部穿过通孔与人体头部接触，电极碗部在与头部接触部位可涂导电膏；外层绑带包括外层绑带头部和外层绑带尾部，外层绑带头部内侧设有外层绑带魔术贴勾面，外层绑带外侧设有外层绑带毛面。松紧带满足目标大小的适应性，小绑带满足舒适性，绒布层设计符合人体工学设计，毛面紧固天线或电极，外层绑带灵活调节紧固，孔与无松紧的绑带满足定位要求，外层绑带松紧结构灵活调节。
本发明的有益效果：松紧带满足目标大小的适应性，外层绑带满足舒适性，绒布层设计符合人体工学设计，毛面紧固天线或电极，外层绑带灵活调节紧固，孔与无松紧的绑带满足信号采集单元定位要求，外层绑带松紧结构灵活调节。
附图说明
图1为一种电阻抗信号采集装置结构示意图。
图2一种电阻抗信号采集装置内层绑带展开示意图。
图3为信号采集单元结构示意图。
图4为电极结构示意图。
图5为外层绑带结构示意图。
图6为外层绑带结构示意图。
图7为外层绑带粘合示意图。
图中标记：1、松紧带，2、信号采集单元，3、外层绑带，4、电极，5、牵引带，21、魔术贴勾面，22、魔术贴毛面，24、绒布层，25、第二魔术贴毛面，31、外层绑带头部，32、外层绑带尾部， 41、导电膏，42、铆压片，43、开口铜管，44、电极盘，51、牵引带魔术贴勾面。
具体实施方式
下面结合附图对本发明作进一步详细说明，但不应将此理解为本发明的上述主题的范围仅限于上述实施例。
如图1-7所示，一种电阻抗断层成像信号采集装置，包括松紧带1、外层绑带3、牵引带5和多个信号采集单元2，牵引带5上设有牵引带魔术贴勾面51，信号采集单元2均匀分布在松紧带1上；牵引带5穿过外层绑带3、与松紧带1相连；信号采集单元2包括从上到下依次设有的魔术贴勾面21、魔术贴毛面22、松紧带1、第二魔术贴毛面25和绒布层24，魔术贴毛面22、松紧带1、第二魔术贴毛面25和绒布层24上设有用于放置电极4的通孔，电极4凸部与魔术贴勾面21相连、碗部穿过通孔与人体头部接触，电极4包括电极盘44和铆压片42，铆压片42通过开口铜管43与电极盘44相连，电极4碗部在与头部接触部位可涂导电膏41；外层绑带3包括外层绑带头部31和外层绑带尾部32，外层绑带头部31内侧设有外层绑带魔术贴勾面，外层绑带3外侧设有外层绑带毛面。通过牵引带5进行安装，使用方便，操作灵活；松紧带1满足目标大小的适应性，松紧带满足舒适性，绒布层设计符合人体工学设计，毛面紧固天线或电极，外层绑带灵活调节紧固，孔与无松紧的绑带满足定位要求，外层绑带松紧结构灵活调节。
Claims (1)
1.一种电阻抗信号采集装置，包括多个电阻抗单元，其特征在于，还包括松紧带、外层绑带和牵引带，牵引带上设有牵引带魔术贴勾面，信号采集单元均匀分布在松紧带上；牵引带穿过外层绑带、与松紧带相连；信号采集单元包括从上到下依次设有的魔术贴勾面、魔术贴毛面、松紧带、第二魔术贴毛面和绒布层，魔术贴毛面、松紧带、第二魔术贴毛面和绒布层上设有用于放置电极的通孔，电极凸部与魔术贴勾面相连、碗部穿过通孔与人体头部接触，电极碗部在与头部接触部位可涂导电膏；外层绑带包括外层绑带头部和外层绑带尾部，外层绑带头部内侧设有外层绑带魔术贴勾面，外层绑带外侧设有外层绑带毛面。
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| CN108903941A (zh) * | 2018-05-18 | 2018-11-30 | 南京航空航天大学 | 一种用于电阻抗检测的便携式手环 |
| CN108606791A (zh) * | 2018-05-29 | 2018-10-02 | 天津大学 | 一种用于人体电阻抗成像的吸附式电极系统 |
| CN108784696A (zh) * | 2018-05-29 | 2018-11-13 | 天津大学 | 一种用于人体电阻抗成像的吸附式电极控制方法 |
| CN109938729A (zh) * | 2019-03-29 | 2019-06-28 | 常州市第二人民医院 | 一种控水预警智能脚环 |
| RU2757963C1 (ru) * | 2020-11-25 | 2021-10-25 | Акционерное общество "Производственное объединение "Уральский оптико-механический завод" имени Э.С. Яламова" (АО "ПО "УОМЗ") | Модульная электродная система для трехмерной электроимпедансной томографии |
| CN114608623B (zh) * | 2022-03-08 | 2023-11-07 | 东南大学 | 敏感单元可更换叠层结构的二维传感器阵列及其制备方法 |
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