CN201139563Y - Clothing type cardiogram monitor - Google Patents
Clothing type cardiogram monitor Download PDFInfo
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- CN201139563Y CN201139563Y CNU2006200468915U CN200620046891U CN201139563Y CN 201139563 Y CN201139563 Y CN 201139563Y CN U2006200468915 U CNU2006200468915 U CN U2006200468915U CN 200620046891 U CN200620046891 U CN 200620046891U CN 201139563 Y CN201139563 Y CN 201139563Y
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Abstract
The utility model relates to a clothing-type electrocardiogram monitoring device, the structure of which comprises clothing cloth, conductive fiber weaved in the clothing cloth, a sensor which is embedded on the clothes and is used for detecting the electrocardiogram signal, an amplifying circuit, detecting and analyzing circuits for the electrocardiogram signal, a microprocessor, an expert system module, an warning device, a wireless communication module and an interface circuit of a general holding device; the sensor and the microprocessor as well as the detecting and analyzing circuits for the electrocardiogram signal and the interface circuit are connected through conductive fiber. The detecting circuit for the electrocardiogram signal comprises a preamplifier, a voltage-current conversion circuit and a current-voltage conversion circuit; the detecting circuit for the electrocardiogram signal, the analyzing circuit and the interface circuit are respectively arranged at the front ventral position of the clothes; the sensor is a clinic contact electrode. The clothing-type electrocardiogram monitoring device is heart monitoring clothes provided for being worn by heart disease high risk patients or people who have family heart disease history, and can monitor the healthy state of heart disease patients in real time and further provides help for saving the lives of the patients.
Description
Technical Field
The utility model belongs to the technical field of the electron, a electrocardio guardianship device, especially a clothing formula electrocardio guardianship device is related to.
Background
Heart disease, cerebrovascular disease and cancer are three major conditions threatening human health. The mortality rate of heart disease has risen at an alarming rate over the last 30 years. The electrocardiogram is an important basis for heart detection, and doctors judge the health condition of the heart by analyzing the electrocardiogram characteristics so as to determine the treatment measures to be taken next step. In some heart diseases, the symptoms are intermittent, random and sudden, so that the short-time electrocardiogram cannot effectively find the symptoms, and therefore, missed diagnosis is easy to cause.
The existing electrocardiographic monitoring system mainly comprises an electrocardiographic monitor and a dynamic electrocardiographic system. The electrocardiograph monitor has stable acquisition of electrocardiographic signals and high resolution; however, both the electrocardiograph equipment used in hospitals and the small household equipment have the defects of large volume, high power consumption and difficult portability.
An electrocardiogram monitoring device appearing in the market at present is a portable emergency electrocardiogram monitoring instrument designed by an LCD and an 8-bit microcomputer, and has certain functions of automatic diagnosis, waveform storage, abnormal electrocardiogram alarm and the like. It can be convenient for the patient to monitor the heart at home, but still is inconvenient to carry about because of the large volume.
Another electrocardiographic monitoring device on the market is a portable electrocardiograph based on a 32-bit single-chip microcomputer, and the electrocardiographic monitoring device can only meet the self-monitoring of patients at home.
The Internet or the mobile terminal is introduced into the electrocardiosignal monitor to realize the remote transmission and diagnosis of the electrocardiosignals, but the electrocardiosignal monitor can only be used in a certain fixed place and cannot realize the diagnosis and early warning of the heart diseases of patients at any time and any place.
Recently, the american high instrument company released its new Holter product at the 52 nd international medical instrument exposition of china. The Bluetooth transmission function of the device can transmit the detected electrocardiosignals to a computer and a PDA with the Bluetooth function. Medical staff can determine whether the equipment starts to work normally through the PDA when wearing the Holter on the patient, and can check the working state of the equipment at any time during the wearing of the patient to view the waveform. However, practice has shown that: the Holter system still suffers from the following drawbacks: 1) the general population does not have expertise in the physiology and pathology of the heart and therefore needs to submit the information recorded by the Holter to a physician for diagnosis. If the heart is normal, the method can cause waste of manpower and financial resources; 2) most Holters do not have the function of real-time information processing and diagnosis after recording information. If the electrocardio data is abnormal and the patient cannot find the data in time, the treatment can be delayed; 3) holter needs to store continuous electrocardiosignals, invalid electrocardio data are not lacked, and the storage cost is high.
The clothing is a daily necessity of each person, and if the electronic system and the clothing can be sewn into a whole, the traditional functions of the clothing can be expanded. If the microprocessor is embedded in the clothes, the clothes can have certain functions of environmental perception and information processing, and the clothes can further meet the requirements of daily life of people. If a microprocessor capable of analyzing and diagnosing electrocardiosignals in real time is embedded in clothes of suspected patients or people with family heart disease history, the electrocardiosignals can be accurately and quickly judged at any time and any place without storing the electrocardiosignals, which has important significance for timely treatment of heart disease and even saving life.
Disclosure of Invention
An object of the utility model is to provide a clothing formula electrocardio guardianship device to the not enough that exists among the prior art, it is the heart guardianship clothing that supplies heart disease high risk patient or the people that have family heart medical history to wear, but real-time supervision heart disease patient's health status even saves its life.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a clothing type electrocardiogram monitoring device, which is characterized in that,
it comprises the following components: the garment comprises a garment fabric, conductive fibers woven in the garment fabric, a sensor embedded on the garment and used for detecting electrocardiosignals, an amplifying circuit, an electrocardiosignal detecting and analyzing circuit, a microprocessor, an alarm device, an expert system module, a wireless communication module and an interface circuit of a universal handheld device PDA or a mobile phone;
the sensor is connected with the microprocessor and the electrocardiosignal detection, analysis and interface circuit through conductive fibers; the detection circuit of electrocardiosignals comprises: the device comprises a preamplifier, a voltage-current conversion circuit and a current-voltage conversion circuit;
the electrocardiosignal detection circuit, the electrocardiosignal analysis circuit and the electrocardiosignal interface circuit are respectively arranged at the front abdominal part of the garment.
The garment-type electrocardiogram monitoring device is characterized in that the sensor is a contact electrode for clinical use.
The garment type electrocardiogram monitoring device is characterized in that the number of the contact electrodes is at least three, the contact electrodes can be respectively arranged on the left cuff, the right cuff and the right trouser leg of the garment, and clinical standard leads are formed.
The garment type electrocardiogram monitoring device comprises standard leads, an electrocardiogram signal detection circuit, an electrocardiogram signal analysis circuit, a microprocessor, an alarm, and an interface circuit of a universal handheld device PDA or a mobile phone.
The garment-type electrocardiographic monitoring device is characterized in that the conductive fibers can be clothing fibers and are arranged in a warp or weft manner.
The garment-type electrocardiographic monitoring device is characterized in that the outer surface of the conductive fibers is wrapped with an insulating material layer.
The garment-type electrocardiogram monitoring device is characterized in that the insulating material layer is wrapped with a waterproof material layer.
The garment type electrocardiogram monitoring device is characterized in that the waterproof material layer is wrapped with garment fibers matched with the garment patterns.
Since the technical scheme is used, compared with the prior art, the utility model, have following advantage and positive effect:
utilize the utility model discloses clothing formula electrocardio guardianship device, but real-time supervision wearer's electrocardiosignal, when the electrocardiosignal appears unusually, alarm device will remind danger or symptom that the wearer probably exists to inform medical personnel relevant information.
The garment may also condition the wearer's electrocardiosignals in real time and transmit the signals to a microprocessor embedded in the garment. The microprocessor filters the obtained signal and extracts the characteristics of the signal. When the microprocessor embedded in the garment finds that the detected data is abnormal, the alarm device on the garment reminds the wearer of potential danger, pre-judges possible heart diseases by means of a cardiologist base and an intelligent decision algorithm, and sends the information to relevant medical personnel through wireless equipment, so that the medical personnel can give guidance in time.
Therefore, the heart monitoring garment is a heart monitoring garment worn by patients at high risk of heart disease or people with family heart disease history, and achieves the purposes of maintaining the health of the patients with heart disease and saving the lives of the patients.
Drawings
The objects, specific structural features and advantages of the present invention will be further understood from the following description of the embodiments taken in conjunction with the accompanying drawings. Wherein,
FIG. 1 is a block diagram of the working principle of the garment-type ECG monitoring device of the present invention;
FIG. 2 is a schematic diagram of a lead connection mode in a garment-type ECG monitoring system;
FIG. 3 is a schematic view of the woven structure of conductive fibers in a garment;
FIG. 4 is a schematic diagram of a functional module of the garment-type ECG monitoring system;
FIG. 5 is a bandage type electrode for detecting ECG signals;
FIG. 6 is a schematic cross-sectional view of a conductive fiber woven into a garment;
FIG. 7 is a block diagram of the ECG signal detection circuit;
fig. 8 is an electrical schematic block diagram of the present invention;
fig. 9 is a schematic diagram of the distribution of the garment-type electrocardiographic monitoring device of the present invention.
In the figure: 1-sticky felt, 2-electrodes, 3-conductive fibers, 4-insulating materials, 5-waterproof materials, 6-clothing fibers matched with clothing, 7-a preamplifier circuit, 8-a voltage-current conversion circuit, 9-a current-voltage conversion circuit, 10-leads, 11-an electrocardiosignal detection circuit, 12-an electrocardiosignal analysis circuit (microprocessor), 13-an alarm device, 14-the microprocessor, a universal handheld device PDA, a mobile phone interface circuit, 15-left cuffs, 16-right cuffs and 17-left trouser legs.
Detailed Description
The utility model discloses clothing formula ECG monitor, it constitutes and includes: the garment comprises a garment fabric, conductive fibers woven in the garment fabric, a sensor embedded on the garment and used for detecting electrocardiosignals, an amplifying circuit, a detection and analysis circuit of the electrocardiosignals, a microprocessor, an alarm device, an expert system module, a wireless communication module and an interface circuit of a universal handheld device PDA or a mobile phone.
The garment is provided with three contact electrodes, an amplifying circuit, conductive fibers, a corresponding detection and analysis circuit, an expert system, an alarm device and a wireless communication module. The contact electrode is used for detecting electrocardiosignals of a wearer, and the subsequent amplifying circuit amplifies the signals and transmits the signals to the microprocessor embedded in the clothing through the conductive fibers woven in the clothing for analysis and processing. The microprocessor carries out necessary filtering processing on the signals to remove noise, then matches the result obtained by analysis of the microprocessor with a preset heart disease specialist system and a database, and starts the alarm device and the wireless communication module to send information to medical care personnel when detecting that the signals are abnormal.
Fig. 1 shows a block diagram of the entire electrocardiographic monitoring device.
The principle and the process of the electrical signal acquisition, conversion and transmission of the clothing type electrocardiogram monitoring device are as follows:
the sensor in the clothing type electrocardiogram monitoring system adopts a contact electrode 2 which is commonly used in clinic. In consideration of the durability of the parts on the garment, the clinical adhesive sticker fixing mode can be changed into a felt sticking mode as shown in fig. 2. This facilitates the wearing of the electrode 2 and ensures good electrode contact. Three electrodes shown in fig. 2 are sewn at the two cuffs 15 and 16 and the right trouser leg 17 of the garment, so that a clinical standard lead form can be formed, as shown in fig. 2. Of course, the positions of the electrodes can be customized according to actual needs, so as to realize other forms of standard leads, chest wall leads and the like.
Because the electrocardiosignal of the input electrode is very weak, the electrocardiosignal needs to be amplified by a first-stage front end before transmission, and the requirements on the preamplifier are as follows:
1) and (4) low noise. The internal noise of the preamplifier is weaker than that of the electrocardiosignal, the internal noise is converted into the electrocardiosignal which must be less than 15 μ V, otherwise the electrocardiosignal can be submerged by the noise;
2) high input impedance. Since there are various contact resistances between the electrodes and the skin, which are equivalent to the internal resistance of the signal source at the input end of the preamplifier, and they are relatively high, the preamplifier is required to have a high input impedance so as not to attenuate the electrocardiographic signal:
3) high anti-interference capability. In order to suppress various electromagnetic interferences outside the telecommunication signal, the preamplifier must have high interference rejection, i.e. high common mode rejection ratio;
4) low zero drift. Zero drift caused by temperature change is required to be as small as possible, and the drift can seriously affect the recording after being amplified;
5) wide linear working range. The wide linear working range can ensure that the electrocardiosignals do not generate waveform distortion.
In order to meet the above requirements, the preamplifier uses an in-phase parallel differential amplifier with high input impedance, low noise and high common mode rejection ratio, and an emitter output with high input impedance can be added before the differential amplifier as a buffer if necessary.
After the preamplifier amplifies the signal, in order to avoid interference in the transmission process, a voltage-current conversion circuit can be adopted to convert the voltage signal into a current signal for transmission, and when the current signal reaches the microprocessor, the current-voltage conversion circuit is used to recover the signal.
As shown in fig. 3, in order to maintain the beauty and practicability of the garment attached to the electrocardiographic monitoring system, the connection between the electrocardiographic signal and the microprocessor can be realized by conductive fibers woven in cloth, so that the whole set of device can be seamlessly combined with the garment. The conductive fibers can replace some clothing fibers in a warp or weft mode to realize the hiding of the conducting wires.
As shown in fig. 4, the feature extraction principle and the process of the electrocardiographic signal of the present invention are substantially as follows:
the typical electrocardiogram consists of characteristic parameters such as P wave, PR segment, PR interval, QRS complex, ST segment, T wave, QT interval, U wave and the like. For a normal heart, there is a range of these parameters. When the parameters are out of the normal range, it means that a temporary or even permanent abnormality of the heart has occurred. Common cardiac arrhythmias (including sinus arrhythmia, atrial arrhythmia, junctional arrhythmia, ventricular arrhythmia, supraventricular arrhythmia, migratory arrhythmia, etc.) as well as atrioventricular hypertrophy, myocardial ischemia, congenital heart disease, myocarditis, pericarditis, etc., are all characterized by these parameters.
After the microprocessor embedded on the garment receives the electrocardiosignals, noise in the signals can be removed in a digital filtering mode, then various parameters of the electrocardiosignals are extracted, and the signals are analyzed by adopting HRV analysis, correlation dimension analysis and the like which are commonly used clinically.
The microprocessor analyzes and processes the electrocardiosignal of the wearer in real time, starts the alarm device and displays the potential danger of the current heart when the information accords with the preset condition, and transmits the information to corresponding medical personnel through the wireless module.
Fig. 5 shows a bandage electrode in a garment-type electrocardiographic monitoring device, wherein the electrode 2 is a contact electrode used by a clinical electrocardiograph, the sticky felt 1 can facilitate the assembly of the electrode and ensure good contact, and the conductive fiber 3 transmits the acquired weak electrical signal to a preamplifier.
Fig. 6 is a schematic cross-sectional view of conductive fibers woven into a garment, wherein the conductive fibers 3 are covered with a layer of insulating material 4 to prevent short circuit. A layer of waterproof material 5 wraps the outside of the insulating layer 4, and clothes are convenient to wash. The outside of the waterproof material 5 can be wrapped with a layer of clothing fiber 6 matched with the clothing pattern, so that the attractive appearance of the clothing is kept.
Fig. 7 is a block diagram showing the components of the electrocardiographic signal detection circuit, which includes: a preamplifier 7, a voltage-to-current conversion circuit 8, and a current-to-voltage conversion circuit 9.
Fig. 8 shows an electrical schematic block diagram of the present invention, in which the arrangement sequence of the devices includes lead 10, an ecg signal detection circuit 11, an ecg signal analysis circuit (microprocessor) 12, an alarm 13, a microprocessor, a general handheld device PDA, and a mobile phone interface circuit 14 in sequence according to the signal flow direction.
Fig. 9 shows that the utility model discloses clothing formula electrocardio guardianship device's constitution distribution schematic diagram, three contact electrode 2 install respectively at the left cuff 15 of clothing, right cuff 16 and right trouser legs 17 position, and detection circuitry 11, analytical circuit 12 and interface circuit 13 are installed in the front side belly position of clothing, and contact electrode 2 is connected through weaving the 3 electricity of conductive fiber in the clothing between detection circuitry 11 and the analytical circuit 13.
Claims (8)
1. A clothing type electrocardiogram monitoring device is characterized by comprising: the garment comprises a garment fabric, conductive fibers woven in the garment fabric, a sensor embedded on the garment and used for detecting electrocardiosignals, an amplifying circuit, a detection and analysis circuit of the electrocardiosignals, a microprocessor, an expert system module, an alarm device, a wireless communication module and an interface circuit of a universal handheld device PDA or a mobile phone;
the sensor is connected with the microprocessor and the electrocardiosignal detection, analysis and interface circuit through conductive fibers; the detection circuit of electrocardiosignals comprises: the device comprises a preamplifier, a voltage-current conversion circuit and a current-voltage conversion circuit;
the electrocardiosignal detection circuit, the electrocardiosignal analysis circuit and the electrocardiosignal interface circuit are respectively arranged at the front abdominal part of the garment.
2. The garment-based ECG monitoring device of claim 1, wherein the sensor is a clinical contact electrode.
3. The garment-type ECG monitoring device as claimed in claim 2, wherein the number of the contact electrodes is at least three, and the contact electrodes are respectively disposed on the left cuff, the right cuff and the right bottom of the pants and constitute the clinical standard leads.
4. The garment-type electrocardiographic monitoring device according to claim 3, wherein the devices are arranged in the sequence of standard leads, an electrocardiographic signal detection circuit, an electrocardiographic signal analysis circuit, a microprocessor, an alarm, a universal handheld device PDA or an interface circuit of a mobile phone according to the trend of the signal flow.
5. The garment-type ECG monitoring device of claim 1, wherein the conductive fibers are clothing fibers and are arranged in a warp or weft pattern.
6. The garment-based ECG monitoring device of claim 5, wherein the outer surface of the conductive fibers is coated with a layer of insulating material.
7. The garment-type ECG monitoring device of claim 6, wherein the insulating layer is covered with a waterproof layer.
8. The garment-based ECG monitoring device of claim 7, wherein the waterproof material layer is wrapped with a fabric of clothing matching the pattern of the garment.
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CNU2006200468915U CN201139563Y (en) | 2006-10-18 | 2006-10-18 | Clothing type cardiogram monitor |
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Cited By (12)
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CN102300499A (en) * | 2010-05-07 | 2011-12-28 | 杨章民 | Method and system for generating physiological signals with fabric capacitive sensors |
CN102665535A (en) * | 2009-09-30 | 2012-09-12 | 健康监测有限公司 | Continuous non-interfering health monitoring and alert system |
CN102669848A (en) * | 2012-05-16 | 2012-09-19 | 苏州纳华美纳米科技有限公司 | Monitoring system for human body physiological index and clothes microclimate index |
WO2013075270A1 (en) * | 2011-11-25 | 2013-05-30 | Yang Chang-Ming | Object, method, and system for detecting heartbeat or whether or not electrodes are in proper contact |
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