CN211658147U - Electrocardiosignal acquisition device and monitoring system thereof - Google Patents
Electrocardiosignal acquisition device and monitoring system thereofDownload PDFInfo
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Abstract
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Translated fromChinese技术领域technical field
本实用新型涉及心电图术的测量领域，特别是涉及一种心电信号采集装置及其监测系统。The utility model relates to the measurement field of electrocardiography, in particular to an electrocardiographic signal acquisition device and a monitoring system thereof.
背景技术Background technique
在进行心电监测时，心电监护仪需要通过心电信号采集装置采集多个点的心电信号，通过检测特定的2个电极片之间的电位差变化，描绘出心电图。传统的心电监护仪采集心电信号时，是通过在被测者身体的特定位置粘附电极片，然后使用导联线将各个电极片与心电监护仪连通。而需要采集心电信号的位置较多，因此导联线的所需数量也较多，如此给医务人员和患者带来许多的不便。When performing ECG monitoring, the ECG monitor needs to collect ECG signals at multiple points through the ECG signal acquisition device, and draw the ECG by detecting changes in the potential difference between two specific electrode pads. When a traditional ECG monitor collects ECG signals, electrode pads are attached to a specific position on the subject's body, and then lead wires are used to connect each electrode pad to the ECG monitor. However, there are many locations where ECG signals need to be collected, so the required number of lead wires is also large, which brings a lot of inconvenience to medical staff and patients.
为解决该技术问题，现有技术提出了通过不需要使用导联线的心电信号采集装置，如专利《动态心电信号采集装置》(公告号CN207152589U)，通过电极片采集心电信号，并信号调理模块将采集到的心电信号转换成心电数据，然后通过无线通信模块将心电数据发送给无线心电监护仪。无线心电监护仪可以根据获取的各个采集点的心电数据确定特定位置的电位差变化。In order to solve this technical problem, the prior art proposes an ECG signal acquisition device that does not require the use of lead wires, such as the patent "Ambulatory ECG Signal Acquisition Device" (Announcement No. CN207152589U), which collects ECG signals through electrode pads, and collects ECG signals through electrodes. The signal conditioning module converts the collected ECG signals into ECG data, and then sends the ECG data to the wireless ECG monitor through the wireless communication module. The wireless ECG monitor can determine the potential difference change at a specific location according to the acquired ECG data of each collection point.
虽然现有技术解决了导联线数量多，给心电监护带来不变的技术问题，但是，心电监护方式有很多，不同监护方式需要不同的导联方式，而现有技术只能通过改变各个心电信号采集装置位置才能切换，导致导联方式的切换非常不便。Although the existing technology solves the technical problem that the number of lead wires is large, which brings constant technical problems to ECG monitoring, there are many ECG monitoring methods, and different monitoring methods require different lead methods. Switching can only be done by changing the position of each ECG signal acquisition device, resulting in very inconvenient switching of lead modes.
实用新型内容Utility model content
为解决以上技术问题，本实用新型提供一种心电信号采集装置及其监护系统，心电采集装置可以根据自身所贴附的位置点，并结合切换的导联方式，控制信号调理模块与电极片之间的信号通断，控制心电信号采集装置在采集与不采集，这2种工作模式之间进行切换，从而切换监护系统的导联方式，实现不同的心电监护方式。In order to solve the above technical problems, the present utility model provides an ECG signal acquisition device and a monitoring system thereof. The ECG acquisition device can control the signal conditioning module and the electrodes according to the position point attached to itself and combined with the switching lead mode. The signal between the slices is switched on and off, and the ECG signal acquisition device is controlled to be collected and not collected, and the two working modes are switched, thereby switching the lead mode of the monitoring system and realizing different ECG monitoring methods.
技术方案如下：The technical solution is as follows:
第一方面，提供了一种心电信号采集装置，设置有电极片和信号采集器，该信号采集器包括信号调理模块、微控制器和通信模块，还包括导联开关和设定模块，所述电极片经导联开关与信号调理模块信号连接，所述设定模块用于设定采集装置采集心电信号的位置点信息，所述微控制器用于通过通信模块接收导联方式信息，并结合位置点信息和导联方式信息控制所述导联开关的通断。In a first aspect, an ECG signal acquisition device is provided, which is provided with an electrode sheet and a signal collector. The signal collector includes a signal conditioning module, a microcontroller and a communication module, as well as a lead switch and a setting module. The electrode sheet is signal-connected with the signal conditioning module via the lead switch, the setting module is used to set the location point information of the ECG signal collected by the acquisition device, the microcontroller is used to receive the lead mode information through the communication module, and The on-off of the lead switch is controlled in combination with the position point information and the lead mode information.
结合第一方面，在第一方面的第一种可实现方式中，所述设定模块包括输入模块，该输入模块用于输入与采集装置采集心电信号的位置点相对应的位置代码，所述微控制器接收输入模块发送的位置代码，并根据位置代码从存储器中调取与位置代码相对应的位置点信息。With reference to the first aspect, in a first implementable manner of the first aspect, the setting module includes an input module, and the input module is used to input a position code corresponding to a position point where the collection device collects the ECG signal, so The microcontroller receives the position code sent by the input module, and retrieves the position point information corresponding to the position code from the memory according to the position code.
结合第一方面的第一种可实现方式，在第一方面的第二种可实现方式中，所述输入模块为按键输入模块。With reference to the first implementation manner of the first aspect, in a second implementation manner of the first aspect, the input module is a key input module.
结合第一方面，在第一方面的第三种可实现方式中，所述导联开关包括连接电极和模拟开关电路，所述电极片与连接电极扣接，所述连接电极与模拟开关电路的信号输入端连接，所述模拟开关电路的开关控制端与微控制器信号连接，信号输出端与信号调理模块信号连接。With reference to the first aspect, in a third possible implementation manner of the first aspect, the lead switch includes a connection electrode and an analog switch circuit, the electrode sheet is buckled with the connection electrode, and the connection electrode is connected to the analog switch circuit. The signal input end is connected to the signal input end, the switch control end of the analog switch circuit is signally connected to the microcontroller, and the signal output end is signally connected to the signal conditioning module.
结合第一方面，在第一方面的第四种可实现方式中，所述通信模块为zigbee通信模块。With reference to the first aspect, in a fourth implementation manner of the first aspect, the communication module is a zigbee communication module.
第二方面，提供了一种无线心电监测系统，包括无线心电监护仪，以及上述的心电信号采集装置和无线遥控器，该无线遥控器用于设定心电导联方式，并生成导联方式信息发送给所有心电信号采集装置，各个所述心电信号采集装置接收导联方式信息并结合位置点信息控制自身的导联开关的通断，所述无线心电采集装置通过通信模块将采集的心电信号发送给所述无线心电监护仪。In a second aspect, a wireless ECG monitoring system is provided, including a wireless ECG monitor, the above-mentioned ECG signal acquisition device and a wireless remote control, the wireless remote control is used to set the ECG lead mode and generate the lead The mode information is sent to all ECG signal acquisition devices, and each ECG signal acquisition device receives the lead mode information and controls the on-off of its own lead switch in combination with the location point information. The collected ECG signal is sent to the wireless ECG monitor.
有益效果：采用本实用新型的心电信号采集装置及其监护系统，心电信号采集装置可以根据所需的导联方式切换自身的工作模式，从而形成不同的导联方式，形成不同心电监护方式的监护系统。Beneficial effects: by adopting the electrocardiographic signal acquisition device and the monitoring system thereof of the present invention, the electrocardiographic signal acquisition device can switch its own working mode according to the required lead mode, thereby forming different lead modes and forming different electrocardiographic monitoring systems. mode of monitoring system.
附图说明Description of drawings
图1为本实用新型的心电信号采集装置的系统原理框图；Fig. 1 is the system principle block diagram of the electrocardiographic signal acquisition device of the present invention;
图2为图1中信号调理模块的电路原理框图；Fig. 2 is the circuit principle block diagram of the signal conditioning module in Fig. 1;
图3为图1中导联开关的电路原理图；Fig. 3 is the circuit schematic diagram of the lead switch in Fig. 1;
图4为本实用新型的心电监护系统的系统原理框图。FIG. 4 is a system principle block diagram of the ECG monitoring system of the present invention.
具体实施方式Detailed ways
下面结合实施例和附图对本实用新型作进一步说明。The present utility model will be further described below in conjunction with the embodiments and the accompanying drawings.
如图1所示的心电信号采集装置的系统原理框图，该心电信号采集装置设置有电极片和信号采集器，该信号采集器包括信号调理模块、微控制器、通信模块、导联开关和设定模块。As shown in Figure 1, the system principle block diagram of the ECG signal acquisition device is provided with electrode pads and a signal acquisition device. The signal acquisition device includes a signal conditioning module, a microcontroller, a communication module, and a lead switch. and setting modules.
所述电极片经导联开关与信号调理模块信号连接，信号调理模块用于对电极片采集的心电信号进行信号处理，得到心电数据发送给微控制器。如图2所示，所述信号调理模块包括与现有的心电信号调理电路相同的前置放大电路、滤波电路、陷波器和AD转换器。所述电极片依次经导联开关、前置放大电路、滤波电路、陷波器和AD转换器连接微控制器。The electrode sheet is signal-connected with a signal conditioning module through a lead switch, and the signal conditioning module is used to perform signal processing on the ECG signal collected by the electrode sheet, and obtain ECG data and send it to the microcontroller. As shown in FIG. 2 , the signal conditioning module includes the same preamplifier circuit, filter circuit, notch filter and AD converter as the existing ECG signal conditioning circuit. The electrode sheet is sequentially connected to the microcontroller through a lead switch, a preamplifier circuit, a filter circuit, a wave trap and an AD converter.
其中，电极片与前置放大电路采用单极导联的方式连接，即前置放大电路中放大器的反相输入端接零电位点，同相输入端经导联开关连接电极片，如此微控制器就可以通过信号调理模块测得电极片所在位置点的电位变化。Among them, the electrode piece and the preamplifier circuit are connected by a unipolar lead, that is, the inverting input terminal of the amplifier in the preamplifier circuit is connected to the zero potential point, and the non-inverting input terminal is connected to the electrode piece through the lead switch, so that the microcontroller The potential change at the point where the electrode piece is located can be measured through the signal conditioning module.
所述导联开关包括连接电极和模拟开关电路，为方便更换电极片，连接电极设置有与一次性电极片相对应的连接扣，所述连接电极通过连接扣与所述电极片扣接。The lead switch includes a connection electrode and an analog switch circuit. In order to facilitate the replacement of the electrode sheet, the connection electrode is provided with a connection button corresponding to the disposable electrode sheet, and the connection electrode is buckled with the electrode sheet through the connection button.
所述模拟开关电路如图3所示，包括三极管T，三极管T的基极作为开关控制端Vt与微控制器连接，发射极接地，集电极连接电阻R的一端，电阻R的另一端作为信号输入端V0连接电极片，集电极与电阻R的共同端作为信号输出端Vi与所述放大器的同相输入端连接。The analog switch circuit is shown in Figure 3, including a transistor T, the base of the transistor T is connected to the microcontroller as the switch control terminalVt , the emitter is grounded, the collector is connected to one end of the resistor R, and the other end of the resistor R is used as The signal input terminal V0 is connected to the electrode plate, and the common terminal of the collector and the resistor R is connected to the non-inverting input terminal of the amplifier as the signal output terminal Vi .
如此，当微控制器输出高电平时，三极管T导通，信号输出端与地短接，因此整个导联开关处于断开的工作模式，电极片采集的心电信号不能从信号输出端输入信号调理模块。反之，整个导联开关处于导通的工作模式，电极片采集的心电信号可以从信号输出端输入信号调理模块。In this way, when the microcontroller outputs a high level, the transistor T is turned on, and the signal output terminal is short-circuited to the ground, so the entire lead switch is in the disconnected working mode, and the ECG signal collected by the electrode pad cannot be input from the signal output terminal. conditioning module. On the contrary, the whole lead switch is in the ON working mode, and the ECG signal collected by the electrode pad can be input to the signal conditioning module from the signal output end.
所述设定模块用于设定采集装置采集心电信号的位置点信息，所述设定模块包括输入模块，为了方便输入信息，输入模块为按键输入模块，用于输入与采集装置采集心电信号的位置点相对应的位置代码。按键输入模块通过通信串口与微控制器连接，在所述微控制器的只读存储器中预先存储有各种位置代码相对应的位置点信息。在使用时，只需要通过按键输入模块人工输入位置代码，所述心电采集装置的微控制器在接收到按键输入模块发送的位置代码后，就可以从只读存储器中读取相应的位置点信息，从而确定自身的贴附位置。The setting module is used to set the location point information of the ECG signal collected by the collecting device, and the setting module includes an input module. In order to facilitate the input of information, the input module is a key input module, which is used for inputting and collecting the ECG signal by the collecting device. The position code corresponding to the position point of the signal. The key input module is connected with the microcontroller through the communication serial port, and the position point information corresponding to various position codes is pre-stored in the read-only memory of the microcontroller. When in use, it is only necessary to manually input the position code through the key input module, and the microcontroller of the ECG acquisition device can read the corresponding position point from the read-only memory after receiving the position code sent by the key input module. information to determine its own attachment position.
所述通信模块用于接收导联方式信息，为了方便组网以及数据传输，本实施例所使用的通信模块为zigbee通信模块。微控制器可以通过通信模块将检测的心电数据发送给无线心电监护仪，也可以通过通信模块接收上位机发送的导联方式信息，微控制器根据导联方式信息，并结合反映自身贴附位置的位置点信息，就可以判定自身是否属于导联方式信息中需要进行心电信号采集的心电采集装置，如果不属于，微控制器就会输出高电平信号，将导联开关切换为断开模式，反之，则不输出高电平信号，导联开关切换为导通模式，如此即可实现导联方式的切换。The communication module is used for receiving lead mode information. In order to facilitate networking and data transmission, the communication module used in this embodiment is a zigbee communication module. The microcontroller can send the detected ECG data to the wireless ECG monitor through the communication module, and can also receive the lead mode information sent by the host computer through the communication module. With the location point information of the location, you can determine whether it belongs to the ECG acquisition device that needs to collect ECG signals in the lead mode information. If not, the microcontroller will output a high-level signal and switch the lead switch. In the off mode, otherwise, no high-level signal is output, and the lead switch is switched to the on mode, so that the lead mode can be switched.
如图4所示的无线心电监测系统的系统框图，该无线心电监护系统包括无线心电监护仪、无线血氧监测装置、无线心率监测装置、无线遥控器，以及多个上述的心电信号采集装置。其中，无线心电监护仪、无线血氧监测装置、无线心率监测装置均为现有装置，通过无线通信模块，如wife通信模块与无线心电监护仪进行通信，无线心电监护仪可以设置zigbee通信模块和wife通信模块，以便无线心电监护仪分别与心电信号采集装置和无线血氧监测装置等通信。A system block diagram of a wireless ECG monitoring system as shown in FIG. 4 , the wireless ECG monitoring system includes a wireless ECG monitor, a wireless blood oxygen monitoring device, a wireless heart rate monitoring device, a wireless remote control, and a plurality of the above-mentioned ECGs Signal acquisition device. Among them, the wireless ECG monitor, the wireless blood oxygen monitoring device, and the wireless heart rate monitoring device are all existing devices, which communicate with the wireless ECG monitor through a wireless communication module, such as a wife communication module, and the wireless ECG monitor can be set to zigbee Communication module and wife communication module, so that the wireless ECG monitor communicates with the ECG signal acquisition device and the wireless blood oxygen monitoring device respectively.
该无线遥控器与现有的基于zigbee通信模块的无线遥控器相同，通过无线遥控器本身的输入模块输入与导联方式相对应的代码，然后从本身的存储器中调取对应的导联方式信息，并通过zigbee通信模块发送给贴附在人体各个心电信号采集点处的心电信号采集装置。The wireless remote control is the same as the existing wireless remote control based on the zigbee communication module. The code corresponding to the lead mode is input through the input module of the wireless remote control itself, and then the corresponding lead mode information is retrieved from its own memory. , and sent to the ECG signal acquisition device attached to each ECG signal acquisition point of the human body through the zigbee communication module.
各个所述心电信号采集装置在接收导联方式信息后，可以结合位置点信息控制自身的导联开关的通断。其中，导联开关处于导通模式的心电信号采集装置可以测得所在位置的电位变化数据，并通过通信模块发送给无线心电监护仪，无线心电监护仪可以根据各个心电信号采集装置采集的电位变化数据得到各个位置点之间的电位差变化数据，从而得到心电图。After receiving the lead mode information, each ECG signal acquisition device can control the on-off of its own lead switch in combination with the position point information. Among them, the ECG signal acquisition device with the lead switch in the conduction mode can measure the potential change data at its location and send it to the wireless ECG monitor through the communication module. The wireless ECG monitor can collect data according to each ECG signal. The collected potential change data obtains the potential difference change data between each position point, thereby obtaining the electrocardiogram.
当需要切换监护系统的导联方式时，只需要通过无线遥控器输入选择的导联方式的代码，整个监护系统的导联方式就可以自动切换，不需要在更换各个心电信号采集装置的位置。When you need to switch the lead mode of the monitoring system, you only need to input the code of the selected lead mode through the wireless remote control, and the lead mode of the entire monitoring system can be automatically switched without changing the position of each ECG signal acquisition device. .
最后需要说明的是，上述描述仅仅为本实用新型的优选实施例，本领域的普通技术人员在本实用新型的启示下，在不违背本实用新型宗旨及权利要求的前提下，可以做出多种类似的表示，这样的变换均落入本实用新型的保护范围之内。Finally, it should be noted that the above descriptions are only the preferred embodiments of the present invention, and those of ordinary skill in the art, under the inspiration of the present invention, can make many Similar expressions, such transformations fall within the protection scope of the present invention.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112617854A (en)* | 2020-12-31 | 2021-04-09 | 上海联影医疗科技股份有限公司 | Electrocardio lead connection method and system |
| CN113288100A (en)* | 2021-06-23 | 2021-08-24 | 上海铭师堂健康科技有限公司 | Intelligent physiological monitor and intelligent physiological monitor system |
| CN114557699A (en)* | 2022-03-07 | 2022-05-31 | 为麦智能科技(北京)有限公司 | Dynamic electrocardiogram monitor and electrocardiogram acquisition method |
| US11896404B2 (en) | 2019-12-31 | 2024-02-13 | Shanghai United Imaging Healthcare Co., Ltd. | Systems and methods for medical imaging of a heart and analysis of ECG target channel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11896404B2 (en) | 2019-12-31 | 2024-02-13 | Shanghai United Imaging Healthcare Co., Ltd. | Systems and methods for medical imaging of a heart and analysis of ECG target channel |
| CN112617854A (en)* | 2020-12-31 | 2021-04-09 | 上海联影医疗科技股份有限公司 | Electrocardio lead connection method and system |
| CN112617854B (en)* | 2020-12-31 | 2023-09-22 | 上海联影医疗科技股份有限公司 | Electrocardiograph lead connection method and system |
| CN113288100A (en)* | 2021-06-23 | 2021-08-24 | 上海铭师堂健康科技有限公司 | Intelligent physiological monitor and intelligent physiological monitor system |
| CN114557699A (en)* | 2022-03-07 | 2022-05-31 | 为麦智能科技(北京)有限公司 | Dynamic electrocardiogram monitor and electrocardiogram acquisition method |
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