JP2010166961A - Electrocardiograph - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve a problem wherein it depends on memory to determine the method by which the acquired electrocardiographic waveform is measured because the electrocardiographic waveform is measured by using electrodes in a body of an electrocardiograph or measured by using disposable electrodes in an induction electrode cord without using the electrodes in the body of the electrocardiograph. <P>SOLUTION: A first mode to output the electrocardiographic waveform of a subject by using the electrodes in the body of the electrocardiograph or a second mode to output the electrocardiographic waveform by using the induction electrode cord connected to an internal circuit of the electrocardiograph without using the electrodes in the body of the electrocardiograph can be selected in the electrocardiograph. Since both the selected mode and the information on the electrocardiographic waveform, etc. measured in the mode are recorded, the information can be stored in the elapse of time after the measurement. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an electrocardiograph, in particular, an electrocardiograph having a mode for measuring an electrocardiogram waveform using an electrode of a main body and a mode for measuring an electrocardiogram waveform using an external induction electrode cord.

  Conventionally, an electrocardiograph has an electrocardiogram waveform by holding the electrocardiograph electrode in one hand of the patient and bringing the other electrode in contact with the chest when there is an accident related to the heart. Event-type electrocardiographs that measure the electrocardiogram, and Holter-type electrocardiographs that measure the electrocardiographic waveform while performing daily activities over a long period of time, for example 24 hours, with the electrodes attached to the patient's body. The

  In Patent Document 1, as shown in FIG. 18, the first electrode 52 and the second electrode 53, which are reference electrodes of the electrocardiograph body 51, are held by hand, and the third electrode 54 is brought into contact with the chest, In the internal circuit, the difference between the potential difference between the first electrode 52 and the second electrode 53 and the potential difference between the first electrode 52 and the third electrode 54 is used as an electrocardiographic signal. Further, as shown in FIG. 19, a method of measuring by connecting a cord connected to the disposable electrode members 52A, 53A, 54A attached to the body of the subject to the connector hole of the connector jack and connecting to the internal circuit is disclosed. ing.

Patent Document 2 is a portable electrocardiograph, and as shown in FIG. 20, an electrocardiograph using three leads by bringing electrodes attached to a substantially rectangular parallelepiped box body into contact with the body at least at four locations. , And the potential difference between the electrode 61 and the electrode 62 (first induction), the potential difference between the electrode 62 and the electrode 64 (third induction), and the potential based on the ground electrode 63 of the electrode 61 and the electrode 64 (chest V5 induction). ) And the respective electrocardiographic waveforms are displayed on the liquid crystal display panel 65 as shown in FIG.

JP-A-9-56686 JP 2007-195690 A

  As described above, in the electrocardiograph disclosed in Patent Document 1, a method of measuring an electrocardiogram waveform by grasping the first and second electrodes by hand, and attaching a disposable electrode member to the body of the subject. In addition, a method for measuring the induced waveform is shown. However, although it has been described that an electrocardiographic waveform is measured and recorded, there is a drawback in that it is not known which method was measured later. In Patent Document 2, the difference in the electrocardiogram waveforms by a plurality of measurement methods using a plurality of electrodes fixed to the box-shaped electrocardiograph body is recognized simultaneously as shown in FIG. it can. However, Patent Document 2 does not have the idea of using an induction electrode cord. When the electrocardiogram is measured at a plurality of locations with this box-type electrocardiograph, the electrocardiogram of a small physique is measured like a child and a large adult. Therefore, it is impossible to measure with a common device that fixes the electrocardiogram waveform, and there is a problem that the degree of freedom is low as compared with the case of using the induction electrode cord.

  The present invention is intended to solve the problems of such a conventional configuration, can be measured with a high degree of freedom using an induction electrode cord, and the electrocardiogram waveform with a clear measurement site. In addition, the purpose is to record the examination date and subjective symptoms as a record.

  According to a first aspect of the present invention, the display mode, the first mode in which the electrocardiogram waveform of the subject is output using the electrode of the electrocardiograph body, and the electrode of the electrocardiograph body is not used. A mode selection means selectable to a second mode for outputting an electrocardiogram waveform using an induction electrode cord connected to an internal circuit of the electrocardiograph, the mode selected by the mode selection means, and the mode selected by the mode An electrocardiograph that displays information such as a measured electrocardiogram waveform together is provided. Furthermore, in claim 2, the electrocardiograph according to claim 1, wherein a disposable electrode can be attached to the induction electrode cord.

  Claim 3 of the present invention provides the electrocardiograph according to claim 1, wherein the measurement site can select a chest or a palm in the first mode, and claim 4 provides CC5 in the second mode. The electrocardiograph according to claim 1 or 2, wherein an induction electrode, a CM5 induction electrode, or a NASA induction electrode can be selected.

  According to a fifth aspect of the present invention, the information on the electrocardiographic waveform and the like includes information on the subjective symptoms of the subject, and the sixth aspect of the present invention compares the electrocardiographic waveform information and the like with the already stored electrocardiographic waveform information and the like. As a result, the electrocardiograph according to claim 1, which is a comment to be output, is provided.

According to a seventh aspect of the present invention, the electrocardiograph includes the mobile phone function, includes means for transmitting the electrocardiogram waveform information and the like to a server, and stores the electrocardiogram waveform information and the like stored in the server. It is providing the electrocardiograph of Claims 1 and 2 provided with the means to receive the browser determination which the browser terminal determined about the said information, such as an electrocardiogram.

An eighth aspect of the present invention is to provide the electrocardiograph according to claim 7, wherein the information such as the electrocardiographic waveform includes the viewer determination.

  As described above, the electrocardiograph of the present invention includes a first mode in which an electrocardiogram waveform is output by measurement using an electrode of the electrocardiograph body, and an electrocardiograph without using the electrode of the electrocardiograph body. A second mode for outputting an electrocardiogram waveform using an inductive electrode cord connected to the internal circuit, each measurement site, each ECG waveform at each measurement site, and information including a prior physical condition Since comment information from a similar type of waveform by an electrocardiogram waveform or information of a specialist is added, it is convenient to find an abnormal point because it is possible to examine where the abnormality is. Moreover, since the induction electrode cord is used, it is possible to perform measurement with a high degree of freedom for both children and adults.

View from above of electrocardiograph of the present invention View from below of electrocardiograph of the present invention The figure which connects the induction | guidance | derivation electrode cord to the internal circuit of the electrocardiograph of this invention Figure with a disposable electrode attached to the tip of the induction electrode cord The figure which applies the electrocardiograph of the present invention to the human chest and measures The block diagram which shows the relationship of the element which comprises the system of the electrocardiograph of this invention Affixing the disposable electrode attached to the induction electrode cord of the electrocardiograph of the present invention The figure which shows the electrode selection and measurement site | part selection of the electrocardiograph of this invention Flow chart showing switching of display of electrocardiograph of the present invention Transition diagram at the start of measurement of the electrocardiograph of the present invention The figure which shows the comment of the electrocardiograph of this invention The figure which shows the waveform display of the electrocardiograph of this invention The figure which shows the RR graph of the electrocardiograph of this invention The figure which shows the information of the measurement result of the electrocardiograph of this invention The figure which corrects the information input at the time of measurement after the measurement of the electrocardiograph of the present invention The block diagram when the electrocardiograph has a cellular phone function in another embodiment of the present invention The figure which shows the flow of the information in another Example of this invention. ~ Conventional example (Patent Document 1) ~ Conventional example (Patent Document 2)

  Hereinafter, embodiments of the present invention will be described with reference to FIGS.

  FIG. 1 is a top view of an electrocardiograph according to the present invention, where 1 is an electrocardiograph body, 2 is a power button, 3 is a decision button used when deciding a selected item, and 4 is an item selection or , Move buttons used for moving / enlarging / reducing the measured waveform, 5 is a liquid crystal display for displaying an electrocardiogram waveform, etc. 6 is a chest to be measured by grasping the electrocardiograph body 1, and an electrode applied to the palm Indicates.

  FIG. 2 is a bottom view of the electrocardiograph according to the present invention. When the electrocardiograph body 1 is measured by holding the electrocardiograph 7, the electrode is in contact with the palm, one side is a minus electrode, 8 is a ground electrode, and 9 is a book. A USB connection terminal for connecting a USB cable for outputting an electrocardiogram waveform of the electrocardiograph of the invention to an external computer, 10 is an infrared communication window for transmitting measurement data to a mobile phone by infrared communication, and 11 is an induction electrode cord When performing measurement using an electrode, an induction electrode cord connection terminal for connecting an induction electrode cord to be described later, 12 is a battery cover that houses and covers a battery (not shown), 13 is a manufacturer of the electrocardiograph of the present invention, etc. Show the nameplate shown.

  FIG. 3 shows a state in which the induction electrode cord 14 is connected to the induction electrode cord connection terminal 10 in the electrocardiograph of the present invention.

  FIG. 4 shows a view in which the induction electrode cord is affixed to the subject's body via a disposable disposable electrode indicated by 15.

FIG. 5 shows a diagram in which the electrocardiograph of the present invention is applied to the chest of a human body.
The electrocardiograph of the present invention has a positive electrode 6 on the surface of the cuboid electrocardiograph body 1 that is in contact with the human body, and a negative electrode 7 on one side of the electrocardiograph body that is connected to the positive electrode. The ground electrode 8 is positioned on the surface to be mounted, and the positive electrode is positioned between the negative electrode 7 and the ground electrode. If these electrodes 6 to 8 are used, the voltage value between the positive electrode 6 and the ground electrode 8 and the voltage value between the ground electrode 8 and the negative electrode 7 can be measured. In the electrocardiograph according to the present invention, the positive electrode 6 is connected to the test portion (chest, palm) of the human body while holding the negative electrode 7 and the ground electrode 8 with the four fingers (forefinger to pinky) other than the right thumb and the right thumb. ), The voltage value of the positive electrode 6 -the ground electrode 8 and the voltage between the ground electrode 8 and the negative electrode 7 can be measured. By measuring the voltage of the R wave by a well-known method, the electrocardiographic waveform of the subject is measured. And heart rate can be estimated.

  FIG. 6 is a block diagram showing the relationship of elements constituting the system of the electrocardiograph of the present invention. The electrocardiograph according to the present invention is composed of an electrocardiogram waveform measuring unit 21 for measuring an electrocardiogram waveform from voltage signals taken at the electrodes 6 to 8 and a flash ROM, for example, and a program for storing program fonts. A font storage unit 22 and, for example, a graphic LCD are provided. A display unit for displaying an electrocardiogram waveform and a USB connection terminal 9 for transmitting the electrocardiogram waveform to an external PC are provided to input various operation commands. As shown in FIGS. 1 and 5, operation units 2 to 4 are provided.

  In addition to the main body electrodes 6 to 8, a disposable electrode 15 provided for selection of the induction electrode cord 14 is connected to the electrocardiogram waveform measurement unit 21. The induction electrode cord 14 is composed of three cords like the main body electrodes 6 to 8, and the disposable electrode includes a plus electrode, a ground electrode, and a minus electrode. As shown in FIG. 7, there are CC5 induction, CM5 induction, and NASA induction as shown in FIG.

  There is an electrocardiogram waveform storage unit 22 for storing the electrocardiogram waveform measured by the electrocardiogram waveform measurement unit 21. The stored waveform data is put on the light from the infrared emission source and the cellular phone is connected from the infrared communication window 10. Data is transmitted to the terminal 16, transferred from the mobile phone terminal 16 to a server (not shown), stored in the server, and data can be saved.

  The comment creating unit 23 draws a comment on the similar electrocardiographic waveform from a plurality of comment groups in which the electrocardiographic waveform and the comment are associated with each other and adds a comment.

FIG. 8 is a diagram showing electrode selection and measurement site selection of the electrocardiograph of the present invention.
First, the main body electrode or the external electrode is selected, and then the measurement site is selected as “chest” or “palm” when the main body electrode is selected. When the external electrode is selected, any one of “CC5 induction electrode”, “CM5 induction electrode”, and “NASA induction electrode” is selected.

  FIG. 9 shows a flowchart for starting the electrocardiogram measurement by performing the electrode selection and the measurement site selection shown in FIG. 8, and FIG. 10 shows a process for measuring the electrocardiogram.

  First, after the power button 2 shown in FIG. 1 is pressed and a power switch (not shown) is turned on, the first screen in FIG. 10 is displayed.

  When “Measurement of electrocardiogram” in the first screen of FIG. 10 is displayed in another different color tone, when the determination button 3 in FIG. 1 is pressed, a determination switch (not shown) that operates in accordance with the operation of the determination button 3 is turned on. The process proceeds to S2 to determine whether or not “main body electrode” is selected.

  Next, when the “body electrode” is selected, pressing the decision button 3 turns on the decision switch, the process proceeds to S3, the display of “chest” selection is displayed, and it is determined whether or not “chest” is selected. When the determination button 3 is pressed, the determination switch is turned on, “chest” is selected, and electrocardiogram measurement is started.

  If “no” is selected depending on whether or not “chest” is selected, the process proceeds to S4, and whether or not “palm” is selected. When the determination button 3 is pressed, the determination switch is activated, and electrocardiogram measurement starts when “palm” is selected. become.

  If “No” is selected in the “palm” selection in S4, the process returns to the “chest” selection in S3 to determine whether or not “chest” is selected, and repeats between S3 and S4.

  In S5, it is determined whether or not “external electrode” is selected, and when “external electrode” is selected, it is determined whether or not “CC5 induction electrode” is selected in S6. Then, the electrocardiogram measurement is started when the “CC5 induction electrode” is selected.

  If “external electrode” is not selected in S5, the process returns to whether or not “main electrode” is selected in S2.

  When “CC5 induction electrode” is not selected in S6, it is determined whether or not “CM5 induction electrode” is selected in S7. When “CM5 induction electrode” is selected, the determination switch is turned on by pressing the decision button 3, ECG measurement starts when “CM5 lead electrode” is selected.

  If “CM5 induction electrode” is not selected in S7, the process returns to S6 or proceeds to S8 to determine whether “NASA induction electrode” is selected or not. When the decision switch is turned on, the electrocardiogram measurement is started.

  If “CC5 induction electrode” is not selected in S6 and “CM5 induction electrode” is not selected in S7, but if “NASA induction electrode” is not selected even after proceeding to S8, return to S6 and select “CC5 induction electrode”. It will be decided whether or not, and it will be repeated until it is decided.

FIG. 10 shows a transition diagram of the electrocardiogram measurement of the present invention.
First, when “electrocardiogram measurement” is selected and the determination button 3 is pressed, the determination switch is turned on, the electrocardiogram measurement is started, and an electrocardiogram waveform is displayed during the measurement.

11 to 15 show displays output at the end of the electrocardiogram measurement.
FIG. 11 displays comments that are determined to be optimal from comments prepared in advance for the electrocardiogram measurement results.
FIG. 12 shows an electrocardiogram waveform. When the movement button 4 is pressed, the electrocardiogram waveform moves.
FIG. 13 is an RR graph showing the regularity of pulsation. Using the measured average heart rate as a reference, the boundary of the set allowable fluctuation range (RR) is indicated by a dotted line.
FIG. 14 shows information at the time of electrocardiogram measurement. The measurement date and time, rank evaluation, and body electrode are used to indicate that the measurement site is “chest”, and “subject symptoms” set in advance before measurement are recorded.

  FIG. 15 is performed when the information at the time of measurement is corrected. By using the movement button 4, the measurement method can be changed and the subjective symptom change data can be corrected. For example, when measurement is performed without much concern before measurement, information at the time of measurement can be input later.

  FIG. 16 corresponds to FIG. 6, and the electrocardiograph has a mobile phone function 30 and transmits electrocardiographic waveform information to the server 31 far away. For example, a doctor who is said to be a contracted specialist refers to information such as an electrocardiogram waveform and sends a determination result to the server, and the server 31 sends the information to the electrocardiograph terminal side, You can also access the server on the terminal side and see the results.

  FIG. 17 shows a network between a server, an electrocardiograph terminal with a mobile phone function, and an authorized reader terminal such as a doctor, and the determination result from the doctor as described above is also stored as electrocardiogram information. Can be displayed or printed out.

  As described above, the electrocardiograph of the present invention includes the first mode in which an electrocardiogram waveform is measured by using an electrode of the electrocardiograph body, and the electrocardiograph without using the electrode of the electrocardiograph body. Each mode of the second mode for outputting an electrocardiogram waveform using an induction electrode cord connected to the internal circuit of each, each measurement site, and the electrocardiogram waveform at each measurement site are displayed, and Information including physical condition, comment information from similar types of waveforms by electrocardiogram waveform or specialist information etc. are added, so it is convenient to find abnormal points because it is possible to investigate where abnormal . Moreover, since the induction electrode cord is used, it is possible to perform measurement with a high degree of freedom for both children and adults.

1 .... Electrocardiograph body 2 .... Power button 3 .... Determination button 4 ....・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Move Button 5 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Liquid Crystal Display 6 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Electrode 7 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・・ ・ ・ ・ ・ Electrode 8 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Electrode 9 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ USB connection terminal 10 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Infrared communication Window 11 ... Induction electrode connection terminal 12 ... Battery cover 13 ... Name plate 14 ...・ ・ ・ ・ ・ ・ Induction electrode cord 15 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Disposable electrode 16 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Mobile phone terminal 17 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・PC (computer)
20 ... Control circuit 21 ... Electrocardiogram measurement circuit 22 ... Electrocardiogram waveform storage unit 23 ...・ ・ ・ ・ ・ ・ ・ ・ Comment making part 30 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Mobile phone function part 31 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Server

Claims (8)

  A display means, a first mode for outputting an electrocardiogram waveform of the subject using an electrode of the electrocardiograph body, and an internal circuit of the electrocardiograph without using the electrode of the electrocardiograph body Mode selection means selectable to a second mode for outputting an electrocardiogram waveform using an inductive electrode code, and a mode selected by the mode selection means, an electrocardiogram waveform measured by the mode, etc. An electrocardiograph that records information together.   The electrocardiograph according to claim 1, wherein a disposable disposable electrode is attached to the induction electrode cord.   The electrocardiograph according to claim 1, wherein in the first mode, the measurement site can select a chest or a palm.   The electrocardiograph according to claim 1, wherein a CC5 induction electrode, a CM5 induction electrode, and a NASA induction electrode can be selected in the second mode.   The electrocardiograph according to claim 1, wherein the information such as the electrocardiographic waveform includes information relating to a subject's subjective symptoms.   The electrocardiograph according to claim 1, wherein the information such as the electrocardiographic waveform is a comment that is output as a result of comparing the stored electrocardiographic waveform information and the like.   The electrocardiograph includes the mobile phone function, and includes means for transmitting the electrocardiographic waveform information and the like to a server, and the viewer terminal stores the electrocardiographic waveform information and the like stored in the server. The electrocardiograph according to claim 1, further comprising means for receiving a viewer's determination for determining information such as shape.   The electrocardiograph according to claim 7, wherein the information such as the electrocardiographic waveform includes the viewer determination.