CN112971794A - Electrocardio monitoring device comprising four dry electrodes and application method - Google Patents
Electrocardio monitoring device comprising four dry electrodes and application method Download PDFInfo
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 26
- 201000010099 disease Diseases 0.000 claims description 12
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 12
- 208000010125 myocardial infarction Diseases 0.000 claims description 12
- 208000031225 myocardial ischemia Diseases 0.000 claims description 9
- 210000003813 thumb Anatomy 0.000 claims description 6
- 230000002861 ventricular Effects 0.000 claims description 6
- 230000001746 atrial effect Effects 0.000 claims description 5
- 206010003658 Atrial Fibrillation Diseases 0.000 claims description 3
- 210000003414 extremity Anatomy 0.000 claims description 3
- 210000002837 heart atrium Anatomy 0.000 claims description 3
- 208000028867 ischemia Diseases 0.000 claims description 3
- 230000002107 myocardial effect Effects 0.000 claims description 3
- 210000000689 upper leg Anatomy 0.000 claims description 3
- 208000003663 ventricular fibrillation Diseases 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 30
- 230000003321 amplification Effects 0.000 abstract description 27
- 238000001914 filtration Methods 0.000 abstract description 22
- 238000010586 diagram Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 210000001562 sternum Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 210000003109 clavicle Anatomy 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
- A61B5/0006—ECG or EEG signals
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Abstract
The invention provides an electrocardio monitoring device comprising four dry electrodes and an application method thereof, wherein the monitoring device comprises a shell, an electrocardio lead system is arranged in the shell and comprises three acquisition electrodes and a reference electrode, the collecting electrodes are respectively arranged at the upper left part, the lower left part and the upper right part of the shell, the reference electrode is arranged at the lower right part of the shell, the collecting electrode is electrically connected with a pre-amplifying circuit, the pre-amplifying circuit is electrically connected with a band-pass filtering module and a power frequency filtering module in sequence, the pre-amplification front circuit is electrically connected with a reference circuit, the reference circuit is electrically connected with the reference electrode, the power frequency filtering module is electrically connected with the rear-stage amplification module, the rear-stage amplification module is in signal connection with the main control system, and the main control system is in signal connection with the cloud platform.
Description
Technical Field
The invention relates to the technical field of electrocardio detection, in particular to an electrocardio monitoring device comprising four dry electrodes and an application method.
Background
Traditional electrocardiograph monitoring heart need paste the electrode at the sampling point of monitoring the heart electrograph, connects the wire, and its preparation step is many, needs medical personnel to accomplish. Moreover, the continuous dynamic electrocardiogram monitoring is inconvenient to use for a long time.
The existing single-lead heart paste can conveniently monitor the patient electrocardiogram for a long time, but the accuracy of the heart paste can not be used as the basis of medical diagnosis due to the small number of leads. Moreover, the patch electrodes used are not convenient and reliable enough for long-term use.
Disclosure of Invention
The invention aims to provide an electrocardio monitoring device comprising four dry electrodes and an application method thereof, so as to solve the problems in the background technology.
The invention is realized by the following technical scheme: in a first aspect, the invention provides an electrocardiographic monitoring device comprising four dry electrodes, comprising a housing, an electrocardio-conducting system is arranged in the shell and comprises three collecting electrodes and a reference electrode, the collecting electrodes are respectively arranged at the left upper part, the left lower part and the right upper part of the shell, the reference electrode is arranged at the right lower part of the shell, the collecting electrodes are electrically connected with the preamplification circuit, the pre-amplification circuit is electrically connected with the band-pass filter module and the work frequency filter module in sequence, the pre-amplification front circuit is electrically connected with the reference circuit, the reference circuit is electrically connected with the reference electrode, the power frequency filtering module is electrically connected with the rear-stage amplifying module, the rear-stage amplifying module is in signal connection with the main control system, and the main control system is in signal connection with the cloud platform.
The application provides an electrocardio monitoring devices who contains four dry electrodes has overturned the measuring method that traditional heart electrograph need paste electrode and connecting wire for individual oneself accomplishes dynamic heart electrograph monitoring, can convenient, simple, accurate going on.
Preferably, the preamplifier circuit comprises a first filter circuit, a second filter circuit and a first amplifier circuit, the plurality of collecting electrodes are electrically connected with the first filter circuit, the second filter circuit and the first amplifier circuit in sequence, and the first amplifier circuit is electrically connected with the band-pass filter module.
Preferably, the reference circuit comprises a voltage follower and a reverse amplification circuit, one output end of the first amplification circuit is connected with the voltage follower through a signal, the output end of the voltage follower is connected with the reverse amplification circuit through a signal, and the output end of the reverse amplification circuit is connected with the reference electrode through a signal.
Preferably, the distance between the collecting electrode on the upper left of the housing and the collecting electrode on the lower left of the housing is 3.5 cm.
Preferably, the distance between the collecting electrode on the upper left of the shell and the collecting electrode on the upper right of the shell is 10.5 cm.
Preferably, the distance between the collecting electrode on the upper left of the shell and the collecting electrode on the lower right of the shell is 11.2 cm.
Preferably, the distance between the collecting electrode on the upper left of the shell and the collecting electrode on the lower right of the shell is 10.5 cm.
Preferably, the distance between the collecting electrode on the upper left of the shell and the reference electrode on the lower left of the shell is 3.5 cm.
Preferably, the distance between the collecting electrode at the lower right of the shell and the reference electrode at the lower left of the shell is 10.5 cm.
In a second aspect, the present invention provides a method for using an electrocardiographic monitoring device comprising four dry electrodes, comprising the steps of:
s1, placing a switch of the electrocardio monitoring device on the upper part, placing a collecting electrode positioned at the upper right of the shell at a position V1 of a human body, placing a collecting electrode positioned at the lower left of the shell at a position V3 of the human body, placing the collecting electrode positioned at the upper left of the shell at a position V2 of the human body, setting a first detection duration, positioning an atrium through a collecting electrode signal at the position V1 on the basis of the first detection duration by a cloud platform, and diagnosing atrial diseases, such as atrial fibrillation, atrial myocardial ischemia, myocardial infarction and one or more of the diseases; positioning ventricles through collecting electrode signals at the positions of V2 and V3, and diagnosing ventricular diseases, namely one or more of ventricular fibrillation ventricular myocardial ischemia and myocardial infarction;
s2, placing the collecting electrode positioned at the upper left of the shell at a V4 position of a human body, placing the collecting electrode positioned at the lower left of the shell at a V5 position of the human body, setting a second detection duration, positioning the ventricle through collector signals at the V4 and V5 positions by the cloud platform on the basis of the second detection duration, and judging whether one or more diseases in myocardial ischemia myocardial infarction exist according to the detection result;
s3, placing the collecting electrode on the upper left of the shell at the thumb of the right hand of the human body, placing the collecting electrode on the upper right of the shell at the thumb of the left hand of the human body, simultaneously placing the collecting electrode on the lower left of the shell and the reference electrode on the lower right of the shell at the position of the left thigh of the human body, setting a third detection time length, and determining whether one or more of myocardial lower wall ischemia and myocardial infarction exists according to the detection results by the cloud platform based on the third detection time length and the collecting electrode signals of the four positions.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides an electrocardio monitoring device comprising four dry electrodes and an application method thereof.A common-mode interference signal in a human electrocardiosignal extracted by a preamplification module in the monitoring device is processed by a reference circuit and is output to the reference electrode by negative feedback amplification so as to counteract the common-mode interference in the collected electrocardiosignal. Then, the pre-amplification module outputs the processed electrocardiosignals to the band-pass filtering module, the band-pass filtering module filters signals outside an electrocardio range, the electrocardiosignals with impurity signals filtered by the band-pass filtering module are transmitted to the power frequency filtering module, and the power frequency filtering module filters power frequency interference and transmits the signals to the post-amplification module. The post-stage amplification module further amplifies the electrocardiosignals and then transmits the electrocardiosignals to the master control system, the electrocardiograms are recorded by the master control system and uploaded to the cloud platform, the cloud platform is connected with the 120 intelligent center and the hospital intelligent center in a network, the uploaded electrocardiograms are diagnosed by the cloud platform and then immediately inform the patient to save oneself, and simultaneously inform the 120 intelligent center and the hospital diagnosis result and suggest emergency treatment measures of ambulance hospital emergency department, such as medicine preparation and immediate application, and strive for second-to-rescue life.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a block diagram of an electrocardiographic monitoring device including four dry electrodes according to the present invention;
FIG. 2 is a block diagram of a preamplifier circuit according to the present invention;
FIG. 3 is a block diagram of a reference circuit according to the present invention;
FIG. 4 is a schematic view of the exterior of the housing provided by the present invention;
fig. 5 is a schematic size diagram of a housing according to an embodiment of the present invention.
In the figure, a shell is 1, an acquisition electrode is 2, a reference electrode is 3, a pre-amplification circuit is 4, a band-pass filtering module is 5, a power frequency filtering module is 6, a reference circuit is 7, a post-amplification module is 8, a main control system is 9, a cloud platform is 10, a first filtering circuit is 11, a second filtering circuit is 12, a first amplifying circuit is 13, a voltage follower is 14, and a reverse amplifying circuit is 15.
Detailed Description
For a better understanding of the technical content of the present invention, the following specific embodiments are provided, and the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 4, a first aspect of the present invention provides an electrocardiograph monitoring device including four dry electrodes, including a housing 1, wherein an electrocardiograph lead system is disposed in the housing 1, the electrocardiograph lead system includes a plurality of collecting electrodes 2 and at least one reference electrode 3, the collecting electrodes 2 are respectively disposed at the upper left, lower left, and upper right of the housing 1, the reference electrode 3 is disposed at the lower right of the housing 1, the collecting electrodes 2 are electrically connected to a pre-amplifying circuit 4, the pre-amplifying circuit 4 is electrically connected to a band-pass filter module 5 and a power frequency filter module 6 in sequence, the pre-amplifying circuit is electrically connected to a reference circuit 7, the reference circuit 7 is electrically connected to the reference electrode 3, the power frequency filter module 6 is electrically connected to a post-amplifying module 8, the post-amplifying module 8 is connected to a main control system 9 by signals, the main control system 9 is connected with the cloud platform 10 in a signal mode.
The acquisition electrode 2 and the reference electrode 3 are both dry electrodes, when the circuit is used, the shell 1 is placed near the double breasts of a human body, namely, at a position close to the heart of the human body, the electrocardiosignals are acquired through the acquisition electrode 2, useful differential signals are extracted from the electrocardiosignals of the human body and amplified through the preamplification module, and the preamplification module performs primary filtering and isolation processing on high-frequency signals and direct-current signals, so that the circuit has high input impedance and high common-mode rejection ratio;
the common-mode interference signal in the human body electrocardiosignal extracted by the pre-amplification module is processed by the reference circuit 7 and is output to the reference electrode 3 by negative feedback amplification so as to counteract the common-mode interference in the collected electrocardiosignal. Then, the pre-amplification module outputs the processed electrocardiosignals to the band-pass filtering module 5, the band-pass filtering module 5 filters signals outside the electrocardio range, the electrocardiosignals of which impurity signals are filtered by the band-pass filtering module 5 are transmitted to the power frequency filtering module 6, and the power frequency filtering module 6 filters power frequency interference and transmits the signals to the post-amplification module 8. The back-stage amplification module 8 further amplifies the electrocardiosignals and then transmits the electrocardiosignals to the main control system 9, the electrocardiosignals are analyzed by the main control system 9 and then displayed with electrocardio values, the electrocardio values output by the main control system 9 are uploaded to the cloud platform 10, the cloud platforms 10 and 120 and the hospital intelligent center are networked, after the uploaded electrocardio values are diagnosed by doctors of the cloud platform 10, the patients are immediately informed to save themselves, and simultaneously, the cloud platforms 120 and the hospital are informed to diagnose and advise emergency department of ambulance hospitals to apply emergency measures, such as medicine preparation and immediate application, and strive for seconds to save lives.
Specifically, in some embodiments of the present application, the pre-amplification circuit 4 includes a first filter circuit 11, a second filter circuit 12 and a first amplification circuit 13, the plurality of collecting electrodes 2 all electrically connect with the first filter circuit 11, the second filter circuit 12 and the first amplification circuit 13 in sequence, and the first amplification circuit 13 electrically connects with the band-pass filter module 5.
The first filter circuit 11 is used for filtering high-frequency clutter signals in electrocardio signals, the second filter circuit is used for filtering low-frequency clutter signals in the electrocardio signals, and the first amplifying circuit 13 amplifies the electrocardio signals subjected to double filtering and transmits the electrocardio signals to the reference circuit 7.
Optionally, in some embodiments of the present application, the reference circuit 7 includes a voltage follower 14 and an inverse amplification circuit 15, an output terminal of the first amplification circuit 13 is signal-connected to the voltage follower 14, an output terminal of the voltage follower 14 is signal-connected to the inverse amplification circuit 15, and an output terminal of the inverse amplification circuit 15 is signal-connected to the reference electrode 3.
The voltage follower 14 is used for extracting a common-mode interference signal in the amplified electrocardiosignals, and the reverse amplification circuit 15 is used for amplifying the common-mode interference signal, and outputting the common-mode interference signal to the reference electrode 3 in a negative feedback amplification manner so as to counteract the common-mode interference in the acquired electrocardio information.
Optionally, the distance between the collecting electrode 2 on the upper left of the housing 1 and the collecting electrode 2 on the lower left of the housing 1 is 3.5 cm.
Optionally, the distance between the collecting electrode 2 on the upper left of the housing 1 and the collecting electrode 2 on the upper right of the housing 1 is 10.5 cm.
Optionally, the distance between the collecting electrode 2 on the upper left of the housing 1 and the collecting electrode 2 on the lower right of the housing 1 is 11.2 cm.
Optionally, the distance between the collecting electrode 2 on the upper left of the housing 1 and the collecting electrode 2 on the lower right of the housing 1 is 10.5 cm.
Optionally, the distance between the collecting electrode 2 at the upper left of the housing 1 and the reference electrode 3 at the lower left of the housing 1 is 3.5 cm.
Optionally, the distance between the collecting electrode 2 at the lower right of the housing 1 and the reference electrode 3 at the lower left of the housing 1 is 10.5 cm.
The invention discloses an application method of an electrocardio monitoring device comprising four dry electrodes, which comprises the following steps:
s1, placing a switch of the electrocardio monitoring device on the upper part, placing a collecting electrode 2 positioned at the upper right of the shell 1 at a human body V1 position, placing a collecting electrode 2 positioned at the lower left of the shell 1 at a human body V3 position, placing a collecting electrode 2 positioned at the upper left of the shell 1 at a human body V2 position, setting first detection duration according to 30 seconds, 60 seconds and 90 seconds, uploading the first detection duration to a cloud platform, and positioning an atrium by a collector electrode signal at a V1 position by the cloud platform on the basis of the first detection duration to diagnose atrial fibrillation atrial myocardial ischemia, myocardial infarction and other diseases; positioning ventricles through collecting electrode signals at the positions of V2 and V3, and diagnosing ventricular diseases, namely one or more of ventricular fibrillation ventricular myocardial ischemia and myocardial infarction;
s2, placing the collecting electrode 2 positioned at the upper left of the shell 1 at a position of a human body V4, placing the collecting electrode 2 positioned at the lower left of the shell 1 at a position of a human body V5, setting second detection duration according to 20 seconds, 40 seconds and 80 seconds, positioning a ventricle by the collecting electrode signals at the positions of V4 and V5 by the cloud platform on the basis of the second detection duration, and judging whether one or more diseases in myocardial ischemia myocardial infarction exist according to a detection result;
s3, placing the collecting electrode 2 on the upper left of the shell 1 at the thumb of the right hand of a human body, placing the collecting electrode 2 on the upper right of the shell 1 at the thumb of the left hand of the human body, simultaneously placing the collecting electrode 2 on the lower left of the shell 1 and the reference electrode 3 on the lower right of the shell 1 at the left thigh of the human body, setting a third detection time length according to 17 seconds, 34 seconds and 68 seconds, determining that the limb leads II and III are obtained according to collecting electrode signals of four positions on the basis of the third detection time length by the cloud platform, and judging whether one or more diseases such as myocardial lower wall ischemia and myocardial infarction exist according to a detection result
Optionally, it should be noted that the human body V1 is positioned between the fourth rib on the right edge of the sternum; human V2 is positioned between the fourth rib at the left edge of the sternum; the human body V3 is positioned at the midpoint of the line connecting V2 and V4, and the human body V4 is positioned at the intersection between the left clavicle midline and the 5 th rib; the human body V5 is located on the same horizontal line as V4 at the left anterior axillary line.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides an electrocardio monitoring devices who contains four dry electrodes, a serial communication port, which comprises a housin, be equipped with the electrocardio system of leading in the casing, the electrocardio system of leading includes three collection electrode, a reference electrode, collection electrode set up respectively in the upper left side of casing, left side below and upper right side, reference electrode set up in the right side below of casing, collection electrode links to each other with pre-amplifier circuit electrical property, pre-amplifier circuit and band-pass filter module, power frequency filter module electrical property in proper order link to each other, pre-amplifier circuit links to each other with reference circuit electrical property, reference circuit with the reference electrode electrical property links to each other, power frequency filter module and back amplifier module electrical property link to each other, back amplifier module links to each other with the major system signal, major system links to each other with cloud platform signal.
2. The electrocardiograph monitoring device comprising four dry electrodes according to claim 1, wherein the preamplifier circuit comprises a first filter circuit, a second filter circuit and a first amplifier circuit, the three collecting electrodes are electrically connected with the first filter circuit, the second filter circuit and the first amplifier circuit in sequence, and the first amplifier circuit is electrically connected with the band-pass filter module.
3. The ecg monitoring device of claim 2, wherein the reference circuit comprises a voltage follower and an inverting amplifier circuit, an output of the first amplifier circuit is connected to the voltage follower, an output of the voltage follower is connected to the inverting amplifier circuit, and an output of the inverting amplifier circuit is connected to the reference electrode.
4. The device of claim 1, wherein the collection electrode is spaced 3.5cm from the collection electrode at the top left of the housing and the collection electrode at the bottom left of the housing.
5. The device of claim 1, wherein the collection electrode is spaced 10.5cm from the collection electrode at the top left of the housing and the collection electrode at the top right of the housing.
6. The device of claim 1, wherein the collection electrode is spaced apart by 11.2cm from the collection electrode at the top left of the housing and the collection electrode at the bottom right of the housing.
7. The device of claim 1, wherein the collection electrode is spaced 10.5cm from the collection electrode at the top left of the housing and the collection electrode at the bottom right of the housing.
8. The device of claim 1, wherein the collecting electrode is spaced 3.5cm from the reference electrode at the top left of the housing.
9. The device of claim 1, wherein the collection electrode is spaced 10.5cm from the reference electrode at a lower right portion of the housing.
10. The electrocardiographic monitoring device comprising four dry electrodes according to any one of claims 1-9, further comprising a method of using the electrocardiographic monitoring device comprising four dry electrodes, comprising the steps of:
s1, placing a switch of the electrocardio monitoring device on the upper part, placing a collecting electrode positioned at the upper right of the shell at a position V1 of a human body, placing a collecting electrode positioned at the lower left of the shell at a position V3 of the human body, placing a collecting electrode positioned at the upper left of the shell at a position V2 of the human body, setting a first detection duration, and positioning an atrium through a collecting electrode signal at the position V1 on the basis of the first detection duration by a cloud platform to diagnose atrial diseases, such as atrial fibrillation, atrial myocardial ischemia, myocardial infarction and one or more of the diseases; positioning ventricles through collecting electrode signals at the positions of V2 and V3, and diagnosing ventricular diseases, namely one or more of ventricular fibrillation ventricular myocardial ischemia and myocardial infarction;
s2, placing the collecting electrode positioned at the upper left of the shell at a V4 position of a human body, placing the collecting electrode positioned at the lower left of the shell at a V5 position of the human body, setting a second detection duration, positioning the ventricle through collecting electrode signals at the V4 position and the V5 position by the cloud platform on the basis of the second detection duration, and judging whether one or more diseases in myocardial ischemia myocardial infarction exist according to a detection result;
s3, placing the collecting electrode on the upper left of the shell at the thumb of the right hand of the human body, placing the collecting electrode on the upper right of the shell at the thumb of the left hand of the human body, simultaneously placing the collecting electrode on the lower left of the shell and the reference electrode on the lower right of the shell at the position of the left thigh of the human body, setting a third detection time length, determining that the collecting electrode is a limb lead II or a limb lead III according to the collecting electrode signals of the four positions on the basis of the third detection time length by the cloud platform, and judging whether one or more of myocardial lower wall ischemia and myocardial infarction exist according to the detection result.
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| CN202110167200.6A CN112971794A (en) | 2021-02-07 | 2021-02-07 | Electrocardio monitoring device comprising four dry electrodes and application method |
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| CN202110167200.6A CN112971794A (en) | 2021-02-07 | 2021-02-07 | Electrocardio monitoring device comprising four dry electrodes and application method |
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Application publication date: 20210618 |