JP7164121B2 - Electrocardiogram real-time transmission system - Google Patents

Description

The present invention relates to an electrocardiogram real-time transmission system.

A system has been developed that transmits an electrocardiogram of a patient outside the hospital to a doctor in the hospital in real time (see Patent Document 1). According to this system, an electrocardiogram obtained by a 12-lead electrocardiograph is displayed in real time on a doctor's personal computer (also referred to as a display terminal) through a computer network. The electrocardiogram transmitted by this system is not limited to a specific doctor, and can be transmitted simultaneously to a plurality of desired facilities and persons in charge.

Japanese Patent No. 5654964

However, even if a medical worker such as a doctor who receives an electrocardiogram senses an abnormality in the electrocardiogram, the image of the electrocardiogram changes sequentially, so it is difficult for a medical worker such as a doctor to accurately judge the abnormality. be.

An object of the present invention is to enable a system for transmitting an electrocardiogram between two locations in real time to display the electrocardiogram in a static state in accordance with instructions from medical personnel, so that medical personnel can view the electrocardiogram as a still image when necessary. It's about making it visible.

The electrocardiogram real-time transmission system of the first invention is an electrocardiogram creating means attached to a subject to obtain the 12-lead electrocardiographic signal of the subject and to create an electrocardiogram corresponding to the measurement time of the electrocardiographic signal. an electrocardiogram display means for receiving an electrocardiogram from the electrocardiogram generating means and displaying the electrocardiogram for the medical staff in real time; transfer instructing means; and upon receiving an instruction signal from the electrocardiogram data transfer instructing means, tracing back the electrocardiogram data created by the electrocardiogram creating means by a predetermined time, or after receiving the instruction signal, the electrocardiogram creating means. data storage means for storing electrocardiogram data for a predetermined period of time created in step 1; Prepare.

According to the first invention, a medical worker such as a doctor monitors an electrocardiogram in real time, and when he or she feels an abnormality in the electrocardiogram and judges that a detailed diagnosis is necessary, he/she arbitrarily issues an instruction. You can view the ECG as a still image. Accordingly, medical personnel can view real-time ECGs and still image ECGs as needed.

A second invention according to the first invention further comprises electrocardiogram display instruction means for emitting an instruction signal in response to an instruction from the subject or a caregiver who takes care of the subject, and the data storage means receives the electrocardiogram display instruction means from the electrocardiogram display instruction means. When the instruction signal is received, the electrocardiogram data created by the electrocardiogram creating means is traced back for a predetermined period of time, or after receiving the instruction signal, the electrocardiogram data for a predetermined period of time created by the electrocardiogram creating means is stored. The still image display means displays the electrocardiogram data stored in the data storage means as a still electrocardiogram.

According to the second invention, when a subject or a caregiver who cares for the subject feels an abnormality in the subject and wants a medical professional such as a doctor to make a detailed diagnosis based on an electrocardiogram. The medical staff can arbitrarily issue an instruction such as the above to have the medical staff look at the electrocardiogram as a still image.

In a third invention based on the first or second invention, the electrocardiogram display means receives and displays the electrocardiogram from the electrocardiogram creation means by streaming distribution, and the data storage means is the electrocardiogram created by the electrocardiogram creation means. The raw data and image data of the electrocardiogram are stored, and the still image display means downloads and displays the raw data and image data of the electrocardiogram.

According to the third invention, real-time display of an electrocardiogram can be performed by streaming distribution. Further, the display of the electrocardiogram as a still image can be performed by downloading the raw data and the image data of the electrocardiogram.

According to a fourth aspect of the present invention, in any one of the first to third aspects, further comprising biological information acquisition means for acquiring biological information other than an electrocardiogram of the subject, the electrocardiogram display means, when displaying the electrocardiogram, The biological information acquired by the information acquisition means is also displayed, and the data storage means receives an instruction signal from the electrocardiogram data transfer instruction means or the electrocardiogram display instruction means, and acquires the biological information at that time point. The biometric information is stored, and the still image display means displays the biometric information stored in the data storage means when displaying the electrocardiogram.

According to the fourth invention, when displaying the electrocardiogram to medical personnel, biological information other than the electrocardiogram is also displayed. Therefore, the medical staff can more accurately diagnose the subject based on the electrocardiogram.

1 is a functional block diagram of a first embodiment of the present invention; FIG. 1 is a system configuration diagram of a first embodiment; FIG. 4 is a flow chart showing the contents of an electrocardiogram creation program of the tablet terminal of the ambulance vehicle in the first embodiment. 4 is a flow chart showing the contents of an electrocardiogram display program of the tablet terminal of the ambulance vehicle in the first embodiment. 4 is a flow chart showing the contents of an electrocardiogram display program of a computer in a medical institution according to the first embodiment; It is an example of a display image of an electrocardiogram by streaming delivery. It is an example of the display image of the electrocardiogram by data storage. It is a system block diagram of 2nd Embodiment of this invention.

<Basic configuration of the first embodiment>
FIG. 1 shows a first embodiment of the invention by way of a functional block diagram. The electrocardiogram real-time transmission system of this embodiment is typically used to transmit the electrocardiogram of a subject who is a patient outside a hospital, for example, in an ambulance vehicle, to a medical worker such as a doctor in the hospital. be done. Of course, the usage of the electrocardiogram real-time transmission system of the present invention is not limited to this usage.

The electrocardiogram creating means is attached to a subject to acquire the 12-lead electrocardiographic signal of the subject, and generates an electrocardiogram by correlating the electrocardiographic signal with the measurement time. The biometric information acquiring means acquires biometric information other than the electrocardiogram of the subject. The electrocardiogram display means receives the electrocardiogram from the electrocardiogram creating means and displays the electrocardiogram to the medical staff in real time. Further, the electrocardiogram display means also displays biometric information other than the electrocardiogram acquired by the biometric information acquisition means when displaying the electrocardiogram. With the above configuration, the medical staff can check the electrocardiogram of the subject at a remote location in real time together with biological information other than the electrocardiogram.

The electrocardiogram data transfer instruction means issues an electrocardiogram data transfer instruction signal in response to an instruction from the medical staff viewing the electrocardiogram displayed by the electrocardiogram display means. The data storage means, when receiving the instruction signal from the electrocardiogram data transfer instruction means, stores the electrocardiogram data created by the electrocardiogram creation means retroactively for a predetermined period of time. At this time, the biometric information acquired by the biometric information acquisition means is also stored in the data storage means retroactively for a predetermined period of time. The still image display means receives the electrocardiogram data and the biometric information stored in the data storage means and displays them as a still electrocardiogram together with the biometric information for the medical staff. With the above configuration, the medical staff can monitor the electrocardiogram in real time, and when they feel an abnormality in the electrocardiogram and decide that a detailed diagnosis is necessary, they can arbitrarily issue instructions and display the electrocardiogram with a still image. can be viewed together with biometric information. Accordingly, medical personnel can view real-time ECGs and still image ECGs as needed.

The electrocardiogram display instruction means issues an electrocardiogram display instruction signal according to an instruction from the subject or a caregiver who takes care of the subject. The data storage means, upon receiving the instruction signal from the electrocardiogram display instruction means, retroactively stores the electrocardiogram data created by the electrocardiogram creating means for a predetermined time period. At this time, the biometric information acquired by the biometric information acquisition means is stored in the data storage means. The still image display means displays the electrocardiogram data stored in the data storage means as a static electrocardiogram together with the biological information. With the above configuration, when a subject or a caregiver who cares for the subject feels an abnormality in the subject and wants a medical worker such as a doctor to make a detailed diagnosis based on an electrocardiogram. An instruction can be arbitrarily issued so that the medical staff can see the electrocardiogram of the static image together with the biological information.

<System configuration of the first embodiment>
FIG. 2 shows a system configuration for realizing the above embodiment. In this case, two computers 5 and 6 are installed in facilities such as hospitals where medical workers are present. The computers 5 and 6 can be installed according to necessity, and either one of them may be used alone, or three or more computers may be used. On the other hand, a portable electrocardiograph 1 is attached to a subject, such as an ambulance, in order to obtain an electrocardiogram of the subject, such as a patient, who is in a remote location from a facility where medical personnel are present. The portable electrocardiograph 1 is capable of acquiring 12-lead electrocardiographic signals. The electrocardiogram signal acquired by the portable electrocardiograph 1 is transmitted to the tablet terminal 2 by short-range communication such as Bluetooth (registered trademark) or Wi-Fi (registered trademark). The transmission of electrocardiogram signals from the portable electrocardiograph 1 to the tablet terminal 2 can also be performed by wire. The tablet terminal 2 can display the electrocardiographic signal from the portable electrocardiograph 1 as an electrocardiogram corresponding to the measurement time. The tablet terminal 2 is installed near the portable electrocardiograph 1 so that it can be handled by a caregiver who takes care of the subject. The tablet terminal 2 is connected to a computer network 3 by means of telecommunications, eg Wi-Fi®. Since the tablet terminal 2 is installed in a narrow place such as an ambulance, it is preferably small and easy to handle, and may be a mobile terminal such as a smart phone. Moreover, it is good also as a portable personal computer. The computers 5 and 6 can also be replaced with tablet terminals or the like. Here, the function of displaying an electrocardiogram was realized by a combination of the portable electrocardiograph 1 and the tablet terminal 2, but such a function may be realized by a single electrocardiogram device, or a monitoring device (emergency transport). A monitor that monitors the patient's electrocardiogram, etc.) or a defibrillator (a device that applies an electric shock to a paralyzed heart to restore normal pulsation, and has a function to monitor the electrocardiogram). .

Biometric information other than the electrocardiogram of the subject is also measured and transmitted to the tablet terminal 2 from a biosensor 7 having a built-in communication function by short-range communication. As a communication function, generally used NFC (registered trademark), Bluetooth (registered trademark) or Wi-Fi (registered trademark) is used. In this case, the biosensor 7 includes a sphygmomanometer, a thermometer, an oxygen saturation meter, and a blood glucose meter. The biosensor 7 may not have a communication function, in which case the biometric information detected by the biosensor 7 is input to the tablet terminal 2 by wire. A server 4 is connected to the computer network 3 to support information exchange between the tablet terminal 2 and the computers 5 and 6 .

<Functional description of the first embodiment>
FIG. 3 shows an electrocardiogram creation program executed by the tablet terminal 2. As shown in FIG. 4 shows an electrocardiogram display program executed by the tablet terminal 2. As shown in FIG. Further, FIG. 5 shows an electrocardiogram display program executed by the computers 5,6. Since the computers 5 and 6 are configured to perform the same functions, in the following description, for the sake of convenience, only one of the computers 5 will be described as functioning.

In step S1 of FIG. 3, an electrocardiogram is created by receiving an electrocardiographic signal from the portable electrocardiograph 1 and corresponding to the measurement time. Since the details are publicly known, the description thereof is omitted.

In step S2 of FIG. 4, the screen of the tablet terminal 2 is transferred to the server 4. FIG. At the same time, the screen of the tablet terminal 2 transferred to the server 4 is displayed on the screen of the computer 5 in step S11 of FIG.

In step S3 of FIG. 4, the electrocardiogram created in step S1 is displayed on the screen of the tablet terminal 2. FIG. At this time, biometric information 71 other than the electrocardiogram acquired by the biosensor 7 is displayed above the electrocardiogram display area as shown in FIG. The area for displaying the biological information 71 is not limited to the area shown in FIG. 6, and can be displayed in an appropriate area. In the next step S4, the electrocardiogram displayed on the screen of the tablet terminal 2 is transmitted to the server 4 by streaming delivery together with the biological information. In step S12 of FIG. 5, the streamed electrocardiogram is read from the server 4 together with the biological information and displayed on the screen of the computer 5 as a moving image. FIG. 6 shows an example of an electrocardiogram and biological information 71 displayed on the screen of the computer 5 as a streaming image.

In step S5 of FIG. 4, it is determined whether or not the tablet terminal 2 has been instructed to transfer the electrocardiogram as a still image. The instruction in this case is performed by tapping a capture button displayed on the screen of the tablet terminal 2 . When the transfer instruction is issued and step S5 is affirmatively determined, in step S6, the tablet, which is specified with the raw data and image data of the electrocardiogram retroactively for 10 seconds (equivalent to the predetermined time of the present invention) together with the biological information, is sent. It is saved in the directory of the terminal 2. As the biometric information, the biometric information at the time when the transfer instruction in step S5 is issued is saved. It should be noted that 10 seconds is appropriately set as necessary. Next, in step S7, the stored raw data and image data of the electrocardiogram are transferred to the server 4 together with the biological information, and the data stored in the directory are deleted. If there is no transfer instruction in step S5, or if the transfer instruction is canceled, a negative determination is made in step S5, and steps S6 and S7 are skipped.

In step S15 of FIG. 5, it is determined whether or not the raw data of the electrocardiogram and the image data have been transferred to the server 4 together with the biological information. If the raw data and image data have been transferred together with the biological information in step S7 of FIG. It is downloaded from the server 4 to the computer 5 together with the information and displayed on the screen of the computer 5 as a still image. Still image data is prepared in advance from image data such as PDF (registered trademark) and JPEG, or raw data such as MFER (medical waveform description rules), DICOM (international standard for medical imaging) PDF, and DICOM ECG (electrocardiogram). It is selectable. Multiple data can be selected at the same time. At this time, biometric information 72 other than the electrocardiogram acquired by the biosensor 7 is displayed above the electrocardiogram display area as shown in FIG. The area in which the biological information 72 is displayed is not limited to the area shown in FIG. 7, and can be displayed in an appropriate area. If raw data and image data have not been transferred in step S15, a negative determination is made in step S15, and the process of step S16 is skipped.

In step S13 of FIG. 5, it is determined whether or not the medical staff has instructed the computer 5 to transfer the electrocardiogram as a still image. The instruction in this case is performed by clicking a capture button displayed on the screen of the computer 5 with a mouse or tapping it with a finger. When a transfer instruction is issued and step S13 is affirmatively determined, a command to transfer an electrocardiogram is transmitted to the tablet terminal 2 via the server 4 in step S14. The tablet terminal 2 records that the command has been sent to the designated directory.

At step S8 in FIG. 4, it is determined whether or not a command has been sent to the directory of the tablet terminal 2. FIG. If the command has been transmitted and step S8 makes an affirmative determination, the raw data and image data of the electrocardiogram are stored together with the biological information in step S6 as described above. Further, in step S7, the raw data and image data of the electrocardiogram stored as described above are transferred to the server 4 together with the biometric information, and the stored data are deleted at the same time.

When the raw data and image data of the electrocardiogram are transferred to the server 4 together with the biological information, the determination in step S15 is affirmative as described above, and the raw data and image data of the electrocardiogram transferred to the server 4 in step S16 are transferred to the server 4 as the biological information. It is also downloaded from the server 4 to the computer 5 and displayed on the screen of the computer 5 as a still image. FIG. 7 shows an example of an electrocardiogram displayed on the screen of the computer 5 in a stationary state. The sharpness is higher than the streaming image of FIG. 6, and the doctor can make a more accurate diagnosis when evaluating subtle electrocardiogram changes. Moreover, since biological information 72 other than the electrocardiogram of the subject is also displayed above the electrocardiogram, the doctor can make a more accurate diagnosis. If the transfer instruction for the still image of the electrocardiogram is not issued in step S13, or if the transfer instruction is canceled, a negative determination is made in step S13 of FIG. 5, and the process of step S14 is skipped. Further, if the transfer instruction for the still image of the electrocardiogram is not issued, or if the transfer instruction is cancelled, a negative determination is made in step S8 of FIG. 4, and the processes of steps S6 and S7 are also skipped.

<Actions and effects of the first embodiment>
According to the first embodiment, an electrocardiogram displayed on a tablet terminal 2 such as an ambulance is displayed as a moving image on computers 5 and 6 such as a medical institution. In addition, when the subject in an ambulance or a caregiver such as an ambulance crew needs it, or when a medical worker determines that it is necessary, the raw data of the electrocardiogram and the still image based on the image data are sent together with the biological information. It can be displayed on the screens of the computers 5 and 6. Therefore, the medical staff can view the electrocardiogram as a moving image or a still image while being remote from the subject. Moreover, when an electrocardiogram is displayed as a moving or still image, biological information other than the electrocardiogram is also displayed. Therefore, a medical worker can make a more accurate diagnosis.

<Second embodiment>
FIG. 8 shows a second embodiment of the invention. A feature of the second embodiment as compared with the first embodiment is that a biological monitor 8 is provided instead of the portable electrocardiograph 1 and the biological sensor 7 in the first embodiment. Other configurations are basically the same in the second embodiment as in the first embodiment, including the system configuration and program contents shown in FIGS. In the second embodiment, the tablet terminal 2 has the function of connecting the biological monitor 8 to the computer network 3 . Therefore, an access point having a function of connecting the biological monitor 8 to the computer network 3 can be used instead of the tablet terminal 2 .

The biological monitor 8 creates and displays an electrocardiogram similar to that created and displayed by the portable electrocardiograph 1 and the tablet terminal 2 in the first embodiment. The electrocardiogram displayed on the biological monitor 8 is also displayed on the tablet terminal 2 in the same manner. In addition to the electrocardiogram, the biological monitor 8 measures blood pressure, body temperature, oxygen saturation, respiratory rate, ETCO ₂ , and blood sugar level as biological information other than the electrocardiogram, and displays them on its display screen together with the electrocardiogram. The biological monitor 8 is connected to the tablet terminal 2 by wire, and the electrocardiogram and biological information displayed on the biological monitor 8 are displayed as moving images on the computers 5 and 6 via the computer network 3 .

An instruction to transfer the electrocardiogram data given by the medical staff through the computers 5 and 6 is transmitted to the tablet terminal 2 via the computer network 3 . The tablet terminal 2 then transmits the transfer instruction signal to the biological monitor 8 . Upon receiving the transfer instruction signal, the biological monitor 8 collects biological data including an electrocardiogram for a predetermined time (for example, 10 seconds) from that time or for a predetermined time (for example, 10 seconds) after receiving the transfer instruction signal. Image data is extracted and transmitted to the tablet terminal 2 . If the living body monitor 8 has a memory function, it is possible to transmit to the tablet terminal 2 data obtained a predetermined time after receiving the transfer instruction signal. However, if the biological monitor 8 does not have a memory function, it transmits data for a predetermined period of time to the tablet terminal 2 after receiving the transfer instruction signal. In this case, in step S6 of FIG. 4, data for 10 seconds from that time is saved. The tablet terminal 2 saves the biological data including the electrocardiogram and the image data transmitted from the biological monitor 8 and saves them in the server 4 through the computer network 3 . The biological data and image data including electrocardiograms stored in the server 4 are eventually downloaded to the computers 5 and 6, and displayed as still images on the computers 5 and 6 for medical personnel. The electrocardiogram displayed at this time also displays biological information other than the electrocardiogram.

When the examinee or his caregiver feels an abnormality and wants the medical staff to see the still image of the electrocardiogram, the capture button displayed on the screen of the tablet terminal 2 is tapped. By such an operation, the raw data and image data of the electrocardiogram are saved in the specified directory of the tablet terminal 2, going back 10 seconds from that point. Alternatively, if you want the medical staff to see the still image of the electrocardiogram, operate the print button (not shown) on the biological monitor 8 to print it out, and save the data for 10 seconds from that point in the directory of the tablet terminal 2. . In this case, in step S6 of FIG. 4, data for 10 seconds from that time is stored. The saved data is saved in server 4 via computer network 3 . The electrocardiogram raw data and image data stored in the server 4 are eventually downloaded to the computers 5 and 6 and displayed as still images on the computers 5 and 6 for medical personnel. The electrocardiogram displayed at this time also displays biological information other than the electrocardiogram.

In the second embodiment, the portable electrocardiograph 1 and the biosensor 7 in the first embodiment are merely replaced with the biomonitor 8, and the second embodiment also has the same functions and effects as those of the first embodiment. can be achieved.

In the first and second embodiments, the process of step S1 corresponds to electrocardiogram creating means of the present invention. The processes of steps S3, S4, and S12 correspond to electrocardiogram display means of the present invention. The processing of steps S13 and S14, including the capture button on the screens of the computers 5 and 6, corresponds to electrocardiogram data transfer instruction means of the present invention. The processing of steps S8, S6, and S7 corresponds to the data storage means of the present invention. The processing of steps S15 and S16 corresponds to still image display means of the present invention. The process of step S5 corresponds to electrocardiogram display instruction means of the present invention including switches (not shown) operated by the capture button on the screen of the tablet terminal 2 or the print button of the biological monitor 8. FIG. The biosensor 7 or the biomonitor 8 corresponds to biometric information acquisition means.

<Other embodiments>
Although specific embodiments have been described above, the present invention is not limited to those appearances and configurations, and various modifications, additions, and deletions are possible. For example, in the above embodiment, the subject and the medical staff are located far from each other, but they are not limited to this, and may be in the same hospital. In the above embodiment, the display of the real-time electrocardiogram and the display of the still image electrocardiogram are switched and displayed on one screen of the computer. may Further, in the above embodiment, the still image is displayed according to the instruction of the subject or the caregiver together with the instruction of the medical staff such as a doctor. may not be performed. Further, in the above embodiment, when the electrocardiogram is displayed, biological information other than the electrocardiogram is displayed together, but only the electrocardiogram may be displayed without displaying the biological information other than the electrocardiogram.

1 portable electrocardiograph 2 tablet terminal 3 computer network 4 server 5, 6 computer 7 biological sensor 8 biological monitor

Claims (3)

an electrocardiogram creating means attached to a subject to obtain a 12-lead electrocardiographic signal of the subject and to generate an electrocardiogram corresponding to the measurement time of the electrocardiographic signal;
an electrocardiogram display means for receiving an electrocardiogram from the electrocardiogram creating means and displaying the electrocardiogram in real time for medical personnel;
electrocardiogram data transfer instruction means for issuing an instruction signal in response to an instruction from a medical worker viewing the electrocardiogram displayed by the electrocardiogram display means;
When the instruction signal from the electrocardiogram data transfer instruction means is received, the electrocardiogram data created by the electrocardiogram creating means is traced back by a predetermined time, or after receiving the instruction signal, the electrocardiogram data created by the electrocardiogram creating means is processed. data storage means for storing electrocardiogram data for a period of time;
a still image display means for receiving the electrocardiogram data stored in the data storage means and displaying it as a still electrocardiogram for medical personnel;
an electrocardiogram display instruction means that emits an instruction signal according to the instruction of the subject or a caregiver who cares for the subject,
When receiving the instruction signal from the electrocardiogram display instruction means, the data storage means traces back the electrocardiogram data created by the electrocardiogram creation means by a predetermined time, or after receiving the instruction signal, the electrocardiogram creation means. Save the electrocardiogram data for a predetermined time created in ,
The electrocardiogram real-time transmission system, wherein the still image display means displays the electrocardiogram data stored in the data storage means as a stationary electrocardiogram. In claim 1 ,
The electrocardiogram display means receives and displays the electrocardiogram from the electrocardiogram creation means by streaming delivery,
The data storage means stores the raw data and image data of the electrocardiogram created by the electrocardiogram creating means,
The electrocardiogram real-time transmission system, wherein the still image display means downloads raw data and image data of the electrocardiogram from the data storage means and displays them. In claim 1 or 2 ,
Provided with a biological information acquisition means for acquiring biological information other than the electrocardiogram of the subject outside the hospital,
The electrocardiogram display means displays the biometric information acquired by the biometric information acquisition means when displaying the electrocardiogram,
The data storage means receives an instruction signal from the electrocardiogram data transfer instruction means or the electrocardiogram display instruction means, and stores the biological information acquired by the biological information acquisition means at that time,
The electrocardiogram real-time transmission system, wherein the still image display means also displays the biological information stored in the data storage means when displaying the electrocardiogram.

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