WO2017157084A1 - 一次性抗噪、屏蔽电极 - Google Patents

一次性抗噪、屏蔽电极 Download PDF

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Publication number
WO2017157084A1
WO2017157084A1 PCT/CN2016/113376 CN2016113376W WO2017157084A1 WO 2017157084 A1 WO2017157084 A1 WO 2017157084A1 CN 2016113376 W CN2016113376 W CN 2016113376W WO 2017157084 A1 WO2017157084 A1 WO 2017157084A1
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Prior art keywords
noise
electrode
layer
shielding
electrode chip
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PCT/CN2016/113376
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English (en)
French (fr)
Inventor
赵德政
封春霞
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青岛光电医疗科技有限公司
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Priority claimed from CN201610155333.0A external-priority patent/CN105640544A/zh
Priority claimed from CN201620209441.7U external-priority patent/CN205548558U/zh
Application filed by 青岛光电医疗科技有限公司 filed Critical 青岛光电医疗科技有限公司
Publication of WO2017157084A1 publication Critical patent/WO2017157084A1/zh

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/24Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25Bioelectric electrodes therefor

Definitions

  • the invention belongs to the technical field of medical instruments, and relates to an electrocardiogram electrode, which is used for collecting ECG signals of human body.
  • it is a disposable anti-noise, shielding electrode.
  • the electrocardiographic electrode sheet of the prior art is composed of a metal electrode button, a backing sticker, a conductive electrode bottom button, a conductive adhesive and a release film, and the conductive electrode bottom buckle is riveted through the backing sticker and the metal electrode buckle, and the conductive adhesive Covered on the conductive electrode button, the release film covers the surface of the conductive paste. Since the sensing portion of the existing electrocardiographic electrode sheet is a conductive electrode bottom button, the sensing area is small and there is no anti-noise and shielding protection, so that the current conducted from the surface of the human body to the electrode sheet is weakly unstable, and is easily conducted through the electrode sheet. Due to the interference, the sensitivity of the instrument to the surface electrocardiogram current and the conduction rate are deteriorated, and the instability of the electrode potential is insufficient, so that the quality of the ECG waveform of the electrocardiogram is not high.
  • the present invention solves the above problems existing in the prior art, and provides a disposable anti-noise and shielding electrode, which has reasonable structural design and material selection, improves signal stability, and is resistant to noise and anti-interference. The result is accurate and reliable.
  • a disposable anti-noise, shielding electrode comprising: a moisturizing cover, a conductive water gel, a sponge, a nylon carrier, a backing, and an electrode chip body, wherein the electrode chip body is made of a conductive substrate or plated a sheet-like structure made of a non-conductive substrate coated with a conductive film, the conductive water gel is injected into the sponge, the sponge is disposed on the nylon sheet, and the nylon sheet passes through the backing The intermediate through hole is directly adhered to the front surface of the electrode chip body.
  • the back surface of the electrode chip body is provided with an anti-noise and shielding layer, and an adhesive layer covers the anti-noise and shielding layer of the electrode chip body.
  • the strip-shaped lead-out end extends on the edge of the electrode chip body, and the anti-noise and shielding layer on the back surface of the electrode chip body extends to the back side of the lead-out end
  • the edge of the adhesion layer also extends to cover the side of the lead end provided with an anti-noise and shielding layer.
  • the anti-noise and shielding layer comprises a noise-proof layer and a shielding layer.
  • the anti-noise layer is a carbon film and a metal, or a non-metal and metal composite layer
  • the shielding layer is a metal, or a non-metal and metal composite, or a non-metal shield.
  • the anti-noise layer and the shielding layer are both coating and printing layers.
  • the body of the moisturizing cover and the backing is circular
  • the main body of the electrode chip body is circular, and the leading end of the electrode chip body is disposed outside the coverage of the moisturizing cover and the backing.
  • the lead end is provided with a positioning and error proof slot.
  • the present invention has an electrode chip body made of a conductive substrate or a non-conductive substrate plated with a conductive film, and an anti-noise and shielding layer is disposed on the electrode chip body to improve signal stability and resistance. Noise and anti-interference ability;
  • the electrode chip lead-out end of the invention replaces the connection manner of the original electrode button, saves materials, reduces the pollution of the metal buckle to the environment; and also provides anti-noise, shielding layer, anti-noise and anti-noise on the lead end The interference capability is further improved; [0017] 3.
  • the lead-out end of the electrode chip of the present invention is provided with a positioning and error-proof slot 7, which is connected to the electrode clip by plugging, and the connection is more convenient and reliable.
  • FIG. 1 is an exploded view showing the assembly of a disposable anti-noise and shielding electrode according to the present invention
  • FIG. 2 is a front view of a disposable anti-noise and shielding electrode of the present invention.
  • the reference numerals in the figure are: 1- moisturizing cap, 2-conductive water gel, 3-sponge, 4-nylon tab, 5-backing, 6-electrode chip body, 7-position, error-proof slot, 8-anti-noise layer, 9-shield layer, 10-adhesive layer.
  • a first embodiment of a disposable anti-noise and shielding electrode comprises: a moisturizing cover 1, a conductive water gel 2, a sponge 3, a nylon support 4, a backing 5, an electrode.
  • the chip body 6, the electrode chip body 6 is made of a conductive substrate or a non-conductive substrate coated with a conductive film, and the conductive water gel 2 is injected into the sponge 3 to form conductive water on the surface of the sponge 3.
  • the sponge 3 is disposed on the nylon support sheet 4, the nylon support sheet 4 passes through the through hole in the middle of the backing 5 and directly adheres to the front surface of the electrode chip body 6, and the back surface of the electrode chip body 6 is provided There is an anti-noise and shielding layer, and an adhesive layer 10 is disposed on one side of the electrode chip body 6 having an anti-noise and shielding layer.
  • an elongated lead-out end extends on the edge of the electrode chip body 6, and the anti-noise and shielding layer on the back surface of the electrode chip body 6 extends to the back side of the lead-out end, and the edge of the adhesive layer 10 It also extends to cover the side of the above-mentioned terminal with anti-noise and shielding layer.
  • a positioning and error-proof slot 7 is provided at the leading end.
  • the anti-noise and shielding layer described above includes a noise-resistant layer 8 and a shielding layer 9.
  • the anti-noise layer 8 is a carbon film and a metal or non-metal and metal composite layer
  • the shielding layer 9 is a metal or non-metal and metal composite or non-metal shield.
  • the anti-noise layer 8 and the shielding layer 9 can be coated or printed by a printing method. In this way, the myoelectric interference can be effectively processed, the anti-noise, the shielding layer can effectively resist noise, shield external electromagnetic interference, improve the accuracy and reliability of the ECG signal acquisition, and the processing is convenient.
  • the body of the moisturizing cover 1 and the backing 5 is circular, and has an extended semicircular shape on the edge.
  • the main body of the electrode chip body 6 is circular and extends in a strip shape on the edge.
  • the end of the anti-noise and shielding lead end is disposed outside the coverage of the moisturizing cover 1 and the backing 5.
  • Embodiment 2 of a disposable anti-noise and shielding electrode of the present invention is basically the same as the main structure of Embodiment 1, except that Embodiment 2 does not have a lead-out end on the edge of the electrode chip body 6.
  • the edge of the electrode chip body 6 can be directly clamped by the electrode holder, and the structure is simple and convenient to manufacture.
  • the back surface of the electrode chip body 6 is covered with the anti-noise layer 8 and the shielding layer 9 as an integrated electrode chip, and the electrode chip body 6 is attached with the anti-noise layer 8 and one side of the shielding layer 9 to adhere the adhesive layer 10 through the glue. Bonding the backing 5, the conductive conductive glue 2 is injected into the sponge 3, the sponge 3 is backed with the nylon supporting sheet 4, and is adhered to the electrode chip body 6. Finally, the viscous cover 1 covers the conductive water gel 2 on the electrode sheet. surface.

Abstract

一种一次性抗噪、屏蔽电极,包括:保湿盖(1)、导电水胶(2)、海绵(3)、尼龙托片(4)、背衬(5)、电极芯片本体(6),其特点是:所述电极芯片本体(6)由导电基材或镀覆有导电膜的非导电基材制成的片状结构,所述导电水胶(2)注入所述海绵(3)中、所述海绵(3)设置在所述的尼龙托片(4)上,所述尼龙托片(4)穿过所述背衬(5)中间的通孔并直接黏附在所述电极芯片本体(6)正面上,所述电极芯片本体(6)背面上设有抗噪、屏蔽层(8、9),有一粘附层(10)覆盖在所述电极芯片本体(6)具有抗噪层(8)、屏蔽层(9)的一面上。其结构设计及材料选择合理,制作成本较低,生产效率高,背面设有抗噪层(8)有效处理肌电干扰、抗噪,屏蔽层(9)能够有效抗噪、屏蔽外界电磁干扰,提高心电信号采集的准确性和可靠性。

Description

说明书 发明名称:一次性抗噪、 屏蔽电极
技术领域
[0001] 本发明属于医疗器械技术领域, 涉及一种心电电极, 用于人体心电信号的采集
, 具体说是一种一次性抗噪、 屏蔽电极。
背景技术
[0002] 在医疗领域, 有心血管疾病引起的死亡站到了总死亡构成比的 40%左右, 对人 们的健康造成了极大的威胁。 心血管疾病的具有突发性和危险性的特点, 研究 表明心血管疾病的患者的心电图上会有表现。 因此, 对患者进行实吋心电监测 以及吋发现心电异常变化, 对心血管疾病防治具有重要意义。 由于心脏在机械 收缩之前首先产生电激动, 产生生物电流并经组织和体液传导至体表, 于是, 它不同部位产生不同的电位变化, 形成体表电位差, 把这种变化着的电位差记 录下来, 形成动态曲线, 便形成了心电图。 为了测量由于心脏收缩产生的电位 差, 需要利用专门的心电测量仪器, 此类仪器通常通过与人体表面相接触的心 电电极片来采集人体的心电信号。
技术问题
[0003] 现有技术的心电电极片由金属电极扣、 背衬贴纸、 导电电极底扣、 导电胶和离 型膜组成, 导电电极底扣穿过背衬贴纸与金属电极扣铆接, 导电胶覆在导电电 极扣上, 离型膜覆盖在导电胶的表面。 由于现有心电电极片的传感部分为导电 电极底扣, 传感面积小且无抗噪、 屏蔽保护, 造成从人体表面传导给电极片的 电流微弱不稳定, 且在通过电极片传导吋易受干扰, 导致仪器对体表心电电流 的敏感性和导通率变差, 电极电位的不稳定性这一不足, 致使心电图心电波形 的质量不高。
问题的解决方案
技术解决方案
[0004] 本发明为解决现有技术存在的上述问题, 提供一种一次性抗噪、 屏蔽电极, 其 结构设计及材料选择合理, 提高了信号的稳定性及抗噪声、 抗干扰能力, 测量 结果准确可靠。
[0005] 本发明的目的是通过以下技术方案实现的:
[0006] 一种一次性抗噪、 屏蔽电极, 包括: 保湿盖、 导电水胶、 海绵、 尼龙托片、 背 衬、 电极芯片本体, 其特征在于, 所述电极芯片本体由导电基材或镀覆有导电 膜的非导电基材制成的片状结构, 所述导电水胶注入所述海绵中、 所述海绵设 置在所述的尼龙托片上, 所述尼龙托片穿过所述背衬中间的通孔并直接黏附在 所述电极芯片本体正面上, 所述电极芯片本体背面上设有抗噪、 屏蔽层, 有一 粘附层覆盖在所述电极芯片本体具有抗噪、 屏蔽层面上。
[0007] 对上述技术方案的改进: 所述电极芯片本体的边沿上延伸出长条状的引出端, 所述电极芯片本体背面上的抗噪、 屏蔽层延伸到所述引出端背面上, 所述粘附 层边沿也延伸覆盖所述引出端上设有抗噪、 屏蔽层的一面。
[0008] 对上述技术方案的进一步改进: 所述的抗噪、 屏蔽层包括抗噪层和屏蔽层。
[0009] 对上述技术方案的进一步改进: 所述抗噪层为碳膜及金属、 或非金属与金属合 成层, 所述屏蔽层为金属、 或非金属与金属合成、 或非金属屏蔽。
[0010] 对上述技术方案的进一步改进: 所述抗噪层及屏蔽层均为涂布、 印刷层。
[0011] 对上述技术方案的进一步改进: 所述的保湿盖及背衬的主体为圆形,
[0012] 且在边沿上有一延伸的半圆形, 所述电极芯片本体的主体为圆形, 所述电极芯 片本体的引出端末端设置在所述保湿盖及背衬的覆盖范围之外。
[0013] 对上述技术方案的进一步改进: 所述引出端设有定位、 防错插槽。
发明的有益效果
有益效果
[0014] 本发明与现有技术相比的优点和积极效果是:
[0015] 1、 本发明有一由导电基材或镀覆有导电膜的非导电基材制成的电极芯片本体 , 在电极芯片本体上设置抗噪、 屏蔽层, 提高了信号的稳定性及抗噪声、 抗干 扰能力;
[0016] 2、 本发明的电极芯片引出端替代了原有的电极扣的连接方式, 节省材料, 减 少了金属扣对环境的污染; 引出端上也设置抗噪、 屏蔽层, 抗噪声、 抗干扰能 力进一步提高; [0017] 3、 本发明的电极芯片的引出端上设有定位、 防错插槽 7, 通过插接方式与电极 夹连接, 连接更加方便、 可靠。
对附图的简要说明
附图说明
[0018] 图 1为本发明一次性抗噪、 屏蔽电极的装配分解图;
[0019] 图 2为本发明一次性抗噪、 屏蔽电极的主视图。
[0020] 图中的标号为: 1-保湿盖、 2-导电水胶、 3-海绵、 4-尼龙托片、 5-背衬、 6-电极 芯片本体、 7-定位、 防错插槽、 8-抗噪层、 9-屏蔽层、 10-粘附层。
本发明的实施方式
[0021] 以下结合附图对本发明作进一步详细描述:
[0022] 参见图 1、 图 2, 本发明一种一次性抗噪、 屏蔽电极的实施例 1, 包括: 保湿盖 1 、 导电水胶 2、 海绵 3、 尼龙托片 4、 背衬 5、 电极芯片本体 6, 电极芯片本体 6由 导电基材或镀覆有导电膜的非导电基材制成的片状结构, 将导电水胶 2注入所述 海绵 3中, 并在海绵 3表面形成导电水胶 2层, 将海绵 3设置在尼龙托片 4上, 尼龙 托片 4穿过所述背衬 5中间的通孔并直接黏附在电极芯片本体 6正面上, 所述电极 芯片本体 6背面上设有抗噪、 屏蔽层, 有一粘附层 10覆盖在所述电极芯片本体 6 具有抗噪、 屏蔽层的一面上。
[0023] 在电极芯片本体 6的边沿上延伸出长条状的引出端, 所述电极芯片本体 6背面上 的抗噪、 屏蔽层延伸到所述引出端背面上, 所述粘附层 10边沿也延伸覆盖到上 述引出端上设有抗噪、 屏蔽层的一面。 为了与电极夹连接更加方便、 可靠, 在 引出端设有定位、 防错插槽 7。
[0024] 具体而言, 上述的抗噪、 屏蔽层包括抗噪层 8和屏蔽层 9。 优选的, 上述抗噪层 8为碳膜及金属、 或非金属与金属合成层, 上述屏蔽层 9为金属、 或非金属与金 属合成、 或非金属屏蔽。 进一步的, 上述抗噪层 8及屏蔽层 9均可采用印刷方式 制成的涂布、 印刷层。 这样, 可以有效处理肌电干扰, 抗噪、 屏蔽层能够有效 抗噪、 屏蔽外界电磁干扰, 提高心电信号采集的准确性和可靠性, 且加工制作 方便。 [0025] 上述的保湿盖 1及背衬 5的主体为圆形, 且在边沿上有一延伸的半圆形, 所述电 极芯片本体 6的主体为圆形, 且在边沿上延伸出长条状的所述引出端, 所述抗噪 、 屏蔽引出端的末端设置在所述保湿盖 1及背衬 5的覆盖范围之外。
[0026] 本发明一种一次性抗噪、 屏蔽电极的实施例 2与实施例 1主要结构基本相同, 不 同之处是实施例 2在电极芯片本体 6的边沿上没有设置引出端。 使用吋, 用电极 夹直接夹持电极芯片本体 6的边沿即可, 结构简单, 制作方便。
[0027] 组装吋, 电极芯片本体 6背面覆盖抗噪层 8和屏蔽层 9成为一体式电极芯片, 电 极芯片本体 6带抗噪层 8和屏蔽层 9的一面贴附粘附层 10, 通过胶粘接背衬 5, 同 吋导电水胶 2注入海绵 3中, 海绵 3底衬尼龙托片 4, 胶黏贴于电极芯片本体 6上, 最后, 保湿盖 1覆盖在电极片上的导电水胶 2表面。
[0028] 使用吋, 揭幵最上层的保湿盖 1, 将背衬 5贴附于人体表面 (如胸部) , 将检测 仪器的导联线通过电极夹连接到电极芯片本体 6上的引出端, 即可进行心电图检
[0029] 当然, 上述说明并非是对本发明的限制, 本发明也并不限于上述举例, 本技术 领域的普通技术人员, 在本发明的实质范围内所做出的变化、 改型、 添加或替 换, 也应属于本发明的保护范围。

Claims

权利要求书
一种一次性抗噪、 屏蔽电极, 包括: 保湿盖、 导电水胶、 海绵、 尼龙 托片、 背衬、 电极芯片本体, 其特征在于, 所述电极芯片本体由导电 基材或镀覆有导电膜的非导电基材制成的片状结构, 所述导电水胶注 入所述海绵中、 所述海绵设置在所述的尼龙托片上, 所述尼龙托片穿 过所述背衬中间的通孔并直接黏附在所述电极芯片本体正面上, 所述 电极芯片本体背面上设有抗噪、 屏蔽层, 有一粘附层覆盖在所述电极 芯片本体具有抗噪、 屏蔽层面上。
按照权利要求 1所述的一次性抗噪、 屏蔽电极, 其特征在于, 所述电 极芯片本体的边沿上延伸出长条状的引出端, 所述电极芯片本体背面 上的抗噪、 屏蔽层延伸到所述引出端背面上, 所述粘附层边沿也延伸 覆盖所述引出端上设有抗噪、 屏蔽层的一面。
按照权利要求 1或 2所述的一次性抗噪、 屏蔽电极, 其特征在于, 所述 的抗噪、 屏蔽层包括抗噪层和屏蔽层。
按照权利要求 3所述的一次性抗噪、 屏蔽电极, 其特征在于, 所述抗 噪层为碳膜及金属、 或非金属与金属合成层, 所述屏蔽层为金属、 或 非金属与金属合成、 或非金属屏蔽。
按照权利要求 4所述的一次性抗噪、 屏蔽电极, 其特征在于, 所述抗 噪层及屏蔽层均为涂布、 印刷层。
按照权利要求 2所述的一次性抗噪、 屏蔽电极, 其特征在于, 所述的 保湿盖及背衬的主体为圆形, 且在边沿上有一延伸的半圆形, 所述电 极芯片本体的主体为圆形, 所述电极芯片本体的引出端末端设置在所 述保湿盖及背衬的覆盖范围之外。
按照权利要求 2所述的一次性抗噪、 屏蔽电极, 其特征在于, 所述引 出端设有定位、 防错插槽。
按照权利要求 6所述的一次性抗噪、 屏蔽电极, 其特征在于, 所述引 出端设有定位、 防错插槽。
PCT/CN2016/113376 2016-03-18 2016-12-30 一次性抗噪、屏蔽电极 WO2017157084A1 (zh)

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