JPS60246734A - Patient monitor apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a patient monitoring device for monitoring the physiological functions of a postoperative patient for a long period of time.

[Technical background of the invention and its problems]

It is well known that trend graphs are extremely effective for broadly observing temporal changes in a patient's physiological functions over a wide range.

FIG. 1 shows a screen on a display device showing a trend graph of parameters A and B.

Usually, the time axis span of a trend graph is determined by the sampling time interval of trend data and the size of the coordinate axes on the screen.

Therefore, if it is desired to observe long-term trends in parameters, the sampling time interval must be increased.

9J shows a total of 3 hours and 30 minutes of trends with a sampling time interval of 15 minutes.If you want to observe a 7-hour trend with Drendog 2 in Figure 1, you must set the sampling time interval to 30 minutes. No.

As a result, it has conventionally been impossible to simultaneously observe long-term trends at relatively small sampling time intervals.

In addition, when multiple trend coordinates exist on the same screen as shown in Figure 1, by deleting the trend data of the parameter of interest and using all the coordinates for the parameter of interest, the time axis It is possible to increase the span, but there is a limit to the range of increase, and erasing other parameter information is often inconvenient for observation, such as when simultaneously comparing trend graphs of two or more parameters. Not practical.

[Purpose of the invention]

The present invention has been made in view of the above circumstances, and it makes it possible to display trend data for a long time at a time with a short sampling time interval, and does not cause any hindrance to the display of other parameters. The purpose of the present invention is to provide a patient monitoring device that can display a trend graph that is useful for understanding the patient's condition.

[Summary of the invention]

The outline of the present invention to achieve the above object is to provide a parameter storage means for storing various parameters of biological functions over time, the entire observation time from the start point to the end point of trend data to be displayed, and the time between trend data. In a breathlessness monitoring device having a time setting means for setting an interval, and a display means for displaying trend data of the various parameters in a predetermined format, the time interval is determined from the end point of the total observation time on the display means. For each interval of the trend graph coordinates to be displayed for each time axis span and for each interval from - to the final starting point,
A calculation control means for creating trend data based on the parameters from the parameter storage means; a screen storage section for individually storing each of the trend data; and a screen storage section for making it possible to identify each trend data output from the screen storage section. The present invention is characterized by comprising an identification means.

[Embodiments of the invention]

Examples of the present invention will be described below with reference to FIG. 11
04,. 6-h:y, 2. '4i4L' L A sensor section equipped with an hypochondrium information sensor 4 and a respiratory function sensor 5,
The outputs of each sensor of this sensor section 1 are input to an average value calculation means 6, and after the average value thereof is calculated, it is stored in a parameter storage means 7 over time.

Reference numeral 10 denotes time setting means, which includes a total time setting unit 9 for setting the sampling time interval of the trend data to be displayed and the total observation time of the time interval data. .

11 is a display control means, and this display control means 11 is
A calculation control means 12, an address selector section 13 consisting of four address cells, and the address selector circuits 131L to 131L.
Screen memory circuits 14&~14d respectively corresponding to 13d
A screen storage section 14 consisting of a screen storage section 14 and each screen storage circuit 141 to
4 data selector circuits 156 to 15 corresponding to 4d
The data selector unit 15 consisting of d and the three weighting circuits 16a corresponding to the data selector circuits 15a to 15c
- 16e, and each weighting circuit 16.
an adder 17 that adds the outputs of the address selector circuits 13a to 16c; a counter circuit 18 that outputs address switching for data display based on the outputs of the address selector circuits 13a to 13d; and a timing generation circuit 20 that drives the display means 19. It is configured with The calculation control means 12 calculates the size of the trend graph coordinate axes on the screen of the display means 19 based on the setting data from the time interval setting section 8 and the total time setting section 8 and the parameter data from the parameter storage means 7. Same - Number of trend patterns to be superimposed on the screen N
is calculated, and the trend data are stored in each of the screen storage circuits 14a to 14d.

Each address selector circuit 13 of the address selector section 13
a to 13d are designed to switch addresses when the screen storage circuits 14a to 14d are accessed from the calculation control means 12 or the display means 19 side.

The screen storage circuits 148 to 14e of the screen storage section 14 sequentially store trend data for each time period of the trend graph coordinate axes from the end point of the total time set by the total time setting section 9 to the start point. ing.

Further, the screen storage circuit 14d is configured to store fixed data (for example, parameter names, units, time on two coordinate axes, etc.).

Each data selector circuit 15a of the data selector section 15
.about.15d are designed to perform data switching when each screen storage circuit 14a to 14d is accessed from the calculation control means 12 and display means 19 side.

The weighting circuits 168 to 16e of the discriminating means 16 are connected to the data selector circuit 15a from the screen memory circuits 148 to 14e.
.about.15e are mutually weighted.

Next, the operation of the patient monitoring device having the above configuration will be described with reference to the trend graph shown in FIG. 3, and in the case where the number N of the trend patterns is three.

Although not shown in FIG. 2, the calculation control means 12 receives an instruction to create and display a trend graph of predetermined parameters, accesses a predetermined address in the screen memory circuit 14a via the address selector circuit 13d, and also controls the data selector circuit. 315d, fixed data such as parameter name, unit, coordinate axis 2 time, etc. are stored in the screen storage circuit 14d.

Next, setting data for the sampling time interval and the total traversing time are input from the time interval setting section 8 and the total time setting section 9.

FIG. 3 shows a trend graph when the parameter is A, the sampling time interval is 15 minutes, and the total observation time is 15 hours.

In this case, the calculation control means 12 calculates that the time axis (horizontal axis) span is 6 hours, and also recognizes that three trend butters can be drawn on the same screen. -r
111 + 11 ζ Data for 6 hours from 4 o'clock in the bath is input from the parameter storage means 7 in which data such as blood pressure, body temperature, etc. is stored in advance, and based on this, data is Trend data is created and the results are stored in the screen storage circuit 14a. Similarly, division control means 12
creates trend data for the next six hours and stores it in the screen storage circuit 14b, and stores the remaining trend data up to the starting point in the screen storage circuit 14C.

The calculation control means 12 also stores time information on the screen storage circuit 14d to correspond to the trend data and display it below the time axis in parallel with the storage operation of the trend data described above.
On the other hand, the timing generation circuit 20 stores the calculation control means 1 in
The trend data stored in the screen storage circuits 148 to 14d is displayed on the display means 19 via the counter circuit 18 and the address selector circuits 13a to 13d in synchronization with the storage timing of the trend data in the screen storage circuits 148 to 14d of No. 2. Read out at the right time.

Of the read data output from the screen storage circuits 148 to 14d and passed through the data selector circuits 15a to 15d, respectively, the data selector circuits 15a to 15c
The read data of the three yuzus that have passed through are inputted to the weighted circuits 16a to 16c, where they are given different weights (
shading) is added.

For each weight, the outputs of the circuits 16a to 16c are added in an adder 17, and the read data (fixed data) from the data selector circuit 15d is also added in the adder 17, and each of these read data is displayed on the display means 19. As a result, as shown in FIG. 3, three types of trend graphs with different shading for each time axis span and distinguishable from each other are displayed on the picture frame of the display means 19, and the time information corresponding to each of these is displayed. Displayed with.

The present invention is not limited to the above embodiments, and various modifications can be made within the scope of the invention.

For example, the weighting is applied to green, blue,
By using a conversion table for each color of red and by making the display means 19 for color display, it is possible to display the trend graph for each time axis span in the three colors.

Further, in the above embodiment, a case has been described in which time information is stored in the screen storage circuit 14d, but the time information corresponding to each time axis and span is stored in each screen storage circuit 14a, 14b similarly to trend data.

14e, it is also possible to facilitate correspondence between trend patterns and time.

Further, in the above embodiment, the case where three trend graphs are displayed has been described, but it is also possible to display two or more trend graphs on the display means 19 by changing the configuration of the display control means 11. It can be easily implemented.

〔Effect of the invention〕

According to the present invention described in detail above, the total time for trend graphs with short sampling time intervals can be set arbitrarily, and trend graphs that can be identified from each other are drawn on the same trend coordinate axis in correspondence with each time axis span. In addition, it is possible to provide a patient monitoring device that can accurately grasp the patient's pathological condition by recognizing minute changes in biological functions over a long period of time.

Figure 1 is an explanatory diagram showing a trend graph using a conventional device.
FIG. 2 is a block diagram showing an embodiment of the present invention, and FIG. 3 shows a trend graph 7 using the apparatus shown in FIG.

DESCRIPTION OF SYMBOLS 1...Sensor part, 6...Average value calculation means, 7...
10: Time setting means, 11: Mountain display control means, 12: River calculation control means, 14: Screen storage section, 16: Identification means, 19: River display means.

Claims (1)

[Claims] (1) Parameter storage means for storing various parameters of biological functions over time, and setting the total observation time from the start point to the end point of trend data to be displayed and the time interval between trend data. In the patient monitoring device, the patient monitoring device has a time setting means for displaying the trend data of the various parameters in a predetermined format, and a display means for displaying the trend data of the various parameters in a predetermined format. calculation control means for creating trend data based on the parameters from the parameter storage means for each interval of the time axis span of the graph coordinates and for each interval up to the final starting point; What is claimed is: 1. A patient monitoring device comprising: a screen storage section for storing the trend data; and an identification means that makes it possible to identify each trend data output from the screen storage section. (21) The patient monitoring device according to claim 1, wherein the identification means includes a plurality of weighting circuits that weight the trend data for each section of the trend graph coordinates differently. (31) The identification means is provided with a plurality of conversion tables for adding different colors to the trend data for each section of the trend graph coordinates. Patient monitoring device. (4) The hands and calculation control means stores predetermined time information for each section of the trend graph in the screen storage section together with the trend data, and displays the time information for each section on the display means. The patient monitoring device according to any one of claims 1 to 3, characterized in that the patient monitoring device is configured to display and control the trend graph. According to any one of claims 1 to 4, the device is configured to simultaneously display and control trend data for each section and time information corresponding thereto on a display means. Patient monitoring device as described.