JP6868338B2 - Biological information display device - Google Patents

Description

The present invention relates to a biological information display device such as a biological information monitor.

The biological information monitor can measure biological information such as an electrocardiogram, blood pressure, and oxygen saturation, and collectively display the measured values and waveforms on a display. Examples of biological information monitors include bedside monitors installed and used on the bedside of hospital rooms and central monitors installed and used on nurse stations and the like.

By observing the measured values and waveforms displayed on the biological information monitor, medical staff (doctors, nurses, etc.) can grasp the condition of the patient. Further, since the biological information monitor generally has an alarm function for notifying the abnormality by an alarm sound or the like when an abnormality of the measured value or the like occurs, the medical worker can immediately know the abnormality of the patient.

In addition to the above alarm function, the biological information monitor has a function to perform arrhythmia analysis, a function to display the progress of measured values over a long period of time (or a long time), or a screen selected and displayed according to the usage environment. Various functions such as functions may be added. In this way, in recent years, the number of functions has increased or the number of functions has increased.

In the conventional biometric information monitor, not only the functional diversification and sophistication are progressing as described above, but also the display mode of the screen is diversifying. For example, in the device described in Patent Document 1, a screen showing the type or urgency of the alarm is displayed. Further, for example, in the apparatus described in Patent Document 2, a patient who should display a monitoring screen for a specific patient among a plurality of patients being monitored in a part of the display area and display the monitoring screen in another display area. Display the setting operation screen for specifying.

Japanese Unexamined Patent Publication No. 2008-200111 JP-A-2002-263070

By the way, in order for a medical professional to quickly and accurately grasp the condition of a patient, it is preferable that the measured waveform and the measured value are displayed in a wide area. However, as the number of types of biometric information displayed on one screen increases and the number of images other than biometric information displayed on one screen (images for operation settings, etc.) increases, the area for displaying the measured waveform and measured value becomes smaller. It is considered to be inconvenient.

In particular, when the screen size is small as in a portable biological information monitor, the area for displaying the measured waveform and the measured value becomes small, and the visibility of the measured waveform and the measured value becomes worse.

The present invention has been made in consideration of the above points, and provides a biometric information display device capable of promptly and accurately grasping a patient's condition by a medical professional.

One aspect of the biological information display device of the present invention is
A biometric information display device that displays an image containing measured waveforms and measured values on the same screen.
A display that displays the image and
A display control unit that controls the measured waveform and the display so that a predetermined measured value is superimposed on the display.
Equipped with
The predetermined measured value displayed overlaid on the measured waveform is a measured value corresponding to the measured waveform.
The display control unit displays a display in which the relative conspicuity of the measured value is greater than that of the waveform in the relationship between the corresponding waveform and the measured value when transitioning from the non-alarm time to the alarm time. The display of the waveform and / or the measured value is changed.

According to the present invention, the display area of the waveform can be enlarged and the correspondence between the waveform and the measured value can be easily grasped, so that the medical worker can quickly and accurately grasp the condition of the patient. Can be realized.

Block diagram showing the configuration of the biological information monitor according to the embodiment The figure which shows the conventional display form The figure which shows the display form of embodiment The figure which shows the layer structure of embodiment The figure which shows the display form of another embodiment

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

<Structure>
FIG. 1 is a block diagram showing a configuration of a biological information monitor according to an embodiment of the present invention.

The biological information monitor 100 has a connector portion 101. The connector unit 101 is a connector for connecting the biological information detection unit attached to the patient to the biological information monitor 100. The connector portion 101, electrocardiogram electrodes 111 for detecting an electrocardiogram, blood pressure cuff 112 for detecting the blood pressure, SpO ₂ sensor 114 for detecting the temperature sensor 113, SpO ₂ for detecting the temperature , And a biometric information detection unit such as a cardiac output sensor 115 for detecting the cardiac output is connected. Of course, a biological information detection unit other than these may be connected to the connector unit 101. The connector unit 101 functions as an interface between the connected biological information detection unit and the measurement processing / alarm processing unit 102.

The measurement processing / alarm processing unit 102 executes a predetermined measurement process to perform a biometric information detection unit (electrocardiographic electrode 111, blood pressure measurement cuff 112, body temperature sensor 113, SpO ₂ sensor 114) connected to the connector unit 101. And the cardiac output sensor 115) is used to measure the patient's biological information. As for the method of measuring various biological information using the biological information detection unit, conventionally known methods can be applied, and therefore detailed description thereof will be omitted here.

The measurement value calculation unit 103 calculates the measurement value (maximum value, minimum value, average value, etc.) of each biological information using the measurement result obtained by the measurement processing / alarm processing unit 102, and displays the calculated measurement value. It is sent to the control unit 106. The waveform forming unit 104 forms a waveform of each biological information using the measurement result obtained by the measurement processing / alarm processing unit 102, and sends the formed waveform to the display control unit 106. Further, the measurement processing / alarm processing unit 102 makes an alarm determination by comparing the obtained measurement result with the alarm threshold value.

The display control unit 106 forms a display image to be displayed on the display 107 by using the measured value measured by the measured value calculation unit 103 and the waveform formed by the waveform forming unit 104, and displays the display image. It is displayed on 107.

The display 107 is, for example, a liquid crystal display with a touch panel, and not only has a display function for displaying biological information, but also has a function as an input unit for receiving an input operation by an operator. Specifically, the display 107 can change the display format of the display 107 by sending an operation signal corresponding to the touch operation by the operator to the display control unit 106. Further, the display 107 can change the measurement mode by sending an operation signal corresponding to the touch operation by the operator to the measurement processing / alarm processing unit 102 via the operation unit 108.

The operation unit 108 includes operation buttons (for example, power switch, measurement start / stop button, data recording button, etc.) provided on the front surface of the housing of the biometric information monitor 100, and a mouse, keyboard, or the like connected to the biometric information monitor 100. Includes operation input section. Further, the touch operation information from the display 107 is input to the operation unit 108, and the touch operation from the user is also output. The operation signal from the operation unit 108 controls the display control operation of the display control unit 106 and the measurement operation of the measurement processing / alarm processing unit 102.

Further, the measurement processing / alarm processing unit 102 performs an alarm determination by comparing each measured biological information with a predetermined alarm threshold value, and when a determination result requiring an alarm is obtained, the alarm indicator 109, the speaker 110, and the alarm 110 An alarm instruction signal is output to the display control unit 106. The alarm indicator 109 is provided on the upper part of the housing of the biological information monitor 100, and emits light, for example, red when an alarm instruction signal is input. The speaker 110 outputs an alarm sound when an alarm instruction signal is input. The display control unit 106 causes the display 107 to display an alarm image when an alarm instruction signal is input.

<Display image>
Next, the display form of the biological information in the present embodiment, which is displayed on the display 107 of the biological information monitor 100, will be described with reference to FIGS. 2 and 3. FIG. 2 shows a conventional display form, and FIG. 3 shows a display form according to the present embodiment.

As shown in FIG. 2, in the conventional display mode, the screen 130 is divided into a patient information display area 131, a waveform display area 132, a measured value display area 133, and a menu bar display area 134.

In the waveform display area 132, the state of fluctuation of the measured value of each biological information is drawn as a waveform. In this example, an electrocardiogram (ECG) waveform W1, an oxygen saturation (SpO ₂ ) waveform W2, a blood pressure (BP) waveform W3, and a respiratory waveform (RESP) W4 are drawn. The type and drawing position of the biometric information to be drawn can be appropriately changed by the setting operation.

In the measured value display area 133, the measured values of each biological information are drawn as numbers. In this example, the measured values of heart rate (HR), oxygen saturation (SpO ₂ ), blood pressure (BP) and respiratory rate (RR) are drawn. The type and drawing position of the biometric information to be drawn can be appropriately changed by the setting operation.

In the menu bar display area 134, each rectangular area such as "home" and "menu" constituting the menu bar is an input area. For example, when the input area 136 having the notation "menu" is touched, the setting operation screen that presents the setting operation menu for monitoring in general is displayed as a sub screen.

Compared with the conventional display form shown in FIG. 2, in the present embodiment shown in FIG. 3, the waveform of the biological information and the measured value of the biological information corresponding to each waveform are displayed in an overlapping manner. There is. Specifically, the heart rate "160" is superimposed on the electrocardiogram (ECG) waveform W1 _{and the oxygen saturation "92" is superimposed on the oxygen saturation (SpO 2} ) waveform W2, and the blood pressure (BP) waveform is displayed. The blood pressure value "116/78" is superimposed on W3, and the respiratory rate "15" is superimposed on the respiratory waveform (RESP) W4.

As a result, the display area dedicated to the measured value (measured value display area 133 in FIG. 2) becomes unnecessary, so that the measured waveform can be displayed for a longer period of time, and the medical staff can grasp the patient's condition. It will be easier. In practice, the biological information monitor 100 is set to the full-width waveform display mode (which may be called the waveform / measured value superimposition mode) as shown in FIG. 3, or the waveform / measured value as shown in FIG. The user can select whether to use the separation mode.

Further, in the present embodiment, the display control unit 106 arranges the image of the measured value on the layer 201 on the front side shown in FIG. 4 and arranges the image of the waveform on the rear layer 202, whereby the measured value and the waveform. Achieves superimposed display with. The transparency of the measured value arranged on the front layer 201 can be adjusted by the user. Further, in the case of the present embodiment, the color depth of the waveform arranged on the back layer can be adjusted.

By arranging the measured values on the layer in front of the waveform in this way, the measured values can be displayed more conspicuously than the waveform. Further, in order to make the waveform less noticeable than the measured value, the waveform may be adjusted so as to have a color similar to that of the background color. Here, the medical staff often first looks at the measured value in order to judge the condition of the patient. In the present embodiment, by arranging the measured value on the layer in front of the waveform, the measured value can be made conspicuous even when it is superimposed on the waveform, so that inconvenience due to the overlay can be suppressed.

Further, in the present embodiment, the transparency of the measured value can be adjusted. As a result, if you want to make the waveform stand out, you can increase the transparency of the measured value.

Further, in the present embodiment, since the waveform and the measured value are displayed at the same position, the correspondence between the waveform and the measured value is compared with the case where the measured value is displayed next to the waveform as in the conventional case. It becomes easier to grasp the relationship.

Further, if the color of the waveform and the color of the measured value are set to the same system for each type of biological information, it becomes easier to grasp the correspondence between the waveform and the measured value. For example, the electrocardiogram (ECG) waveform W1 and the heart rate "160" that are superimposed are both displayed in green, and the oxygen saturation (SpO ₂ ) waveform W2 and the oxygen saturation "92" that are superimposed are both displayed. The blood pressure (BP) waveform W3 and the blood pressure value "116/78", which are displayed in the yellow system and displayed in an overlapping manner, are both displayed in the orange system, and the respiration (RESP) waveform W4 and the respiratory rate "15" are displayed in an overlapping manner. May be displayed in white.

Further, if the waveform of the present embodiment and the measured value are superimposed and displayed, it becomes possible to display an alarm that easily arouses the medical staff.

For example, it becomes possible to display an alarm such as increasing the size of the measured value. That is, in the conventional display as shown in FIG. 2, since the size of the measured value display area 133 is fixed, the screen configuration must be changed in order to increase the size of the measured value, which is complicated. On the other hand, in the display of the present embodiment, the size of the measured value can be freely increased regardless of the screen configuration, so that an alarm display such as increasing the size of the measured value can be easily performed.

Further, when the waveform displayed in an overlapping manner and the color of the measured value are the same system as described above, the color of the measured value may be changed when an alarm is instructed. In this way, the medical staff can immediately recognize that the color of the measured value is different from the color of the waveform, and can suppress the oversight of the alarm. Here, as a conventional alarm display method, there is a method of changing the background color of the measured value, but in the case of the present embodiment, if such a method is adopted, the waveform is hidden, so the color of the measured value. An alarm display such as changing is preferable. The measured value display method when an alarm occurs may be selectable by the user.

Further, at the time of an alarm, the transparency of the measured value (or the background color of the measured value) may be reduced in order to emphasize the alarm state. Further, the alarm state may be emphasized by adjusting the waveform so that the color is similar to the background color to make the waveform inconspicuous.

As described above, according to the present embodiment, the waveform display area can be enlarged and the waveform can be enlarged by displaying the waveform of the biological information and the measured value of the biological information corresponding to the waveform in an overlapping manner. Since it becomes easy to grasp the correspondence between the measured value and the measured value, it is possible to realize the biological information monitor 100 that allows the medical staff to quickly and accurately grasp the condition of the patient.

In the above-described embodiment, as shown in FIG. 3, when the measured values corresponding to the respective waveforms W1, W2, W3, and W4 are superimposed and displayed on the measured waveforms W1, W2, W3, and W4. That is, the case where one measured value is superimposed on one waveform is described, but the present invention is not limited to this, and the measured values of a plurality of related parameters are superimposed and displayed on one waveform. May be good.

FIG. 5 shows the display form. In the example of FIG. 5, HR "60" is superimposed on the electrocardiogram (ECG) waveform W1 and BP1 "116/77 (62)" is superimposed on the blood pressure (BP) waveform W2, and the oxygen saturation (SpO) is displayed. _{2 ) SpO 2} value "92" and NIBP value "120/82 (99)" are superimposed on the waveform W3, _{and RESP value "30" and EtCO 2} value "38" are superimposed on the respiratory waveform (RESP) W4. It is displayed. In this way, the NIBP value "120/82 (99)" is superimposed on the oxygen saturation (SpO ₂ ) waveform W3 in _{addition to the SpO 2} value "92", and the respiratory waveform (RESP) W4 is displayed. _{The EtCO 2} value "38" is superimposed in addition to the RESP value "30". It is possible for the user to select and set which waveform is overlaid with which measurement value according to the clinical situation. Alternatively, which waveform is overlaid with which measurement value may be set by selecting the relevant parameter depending on the device according to the clinical situation. By doing so, the relationship between one waveform and a plurality of measured values can be grasped at a glance, so that the medical staff can grasp the patient's condition more quickly and accurately. Incidentally, as shown in FIG. 5, when a plurality of measured values are superimposed and displayed on one waveform, a measured value label is displayed in the vicinity of the measured value in order to indicate what the displayed measured value is. (for example, "HR", "BP1", "SpO _2", "NIBP", "RESP", "EtCO _2") it is preferable to display a.

Further, in the above-described embodiment, the case where the present invention is applied to the biological information monitor has been described, but the present invention is not limited to the biological information monitor, but is widely used in the biological information display device that displays the waveform and the measured value on the same screen. It is applicable, for example, to a display device of a respirator or an anesthesia machine.

The above-described embodiments are merely examples of embodiment of the present invention, and the technical scope of the present invention should not be construed in a limited manner by these. That is, the present invention can be implemented in various forms without departing from its gist or its main features.

The present invention is suitable for a biological information display device that displays an image including a measured waveform and a measured value on the same screen.

100 Biometric information monitor 102 Measurement processing / alarm processing unit 103 Measurement value calculation unit 104 Waveform formation unit 106 Display control unit 107 Display

Claims (5)

A biometric information display device that displays an image containing measured waveforms and measured values on the same screen.
A display that displays the image and
A display control unit that controls the measured waveform and the display so that a predetermined measured value is superimposed on the display.
Equipped with
The predetermined measured value displayed overlaid on the measured waveform is a measured value corresponding to the measured waveform.
The display control unit displays a display in which the relative conspicuity of the measured value is greater than that of the waveform in the relationship between the corresponding waveform and the measured value when transitioning from the non-alarm time to the alarm time. Change the display of the waveform and / or the measured value,
Biological information display device. The display control unit makes the measured value relatively conspicuous by reducing the transparency of the measured value when transitioning from the non-alarm time to the alarm time.
The biological information display device according to claim 1. The display control unit makes the waveform inconspicuous by adjusting the waveform so that it has a color similar to that of the background color when transitioning from the non-alarm time to the alarm time, whereby the measurement is performed more than the waveform. Make the value relatively noticeable,
The biological information display device according to claim 1 or 2. The predetermined measured value displayed overlaid on the measured waveform is a measured value selected and set according to the clinical setting.
The biological information display device according to any one of claims 1 to 3. The display control unit arranges the waveform on a predetermined layer and arranges the measured value on a layer on the front side of the layer on which the waveform is arranged.
The biological information display device according to any one of claims 1 to 4.

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