JPS62155830A - Blood pressure measuring 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 ■1 Background of the Invention A, Technical Field The present invention relates to a blood pressure measurement &
Regarding the location.

B. Prior art and its problems Blood pressure measuring devices are known that measure blood pressure values together with pulse rate and temperature at the time of measurement and display or print them.

However, when an individual measures blood pressure for health management purposes, it is not possible to simply display or print the blood pressure value and pulse rate measured at that time. It is impossible to know whether it is comparatively high or low, or to what extent.

Therefore, if you create a so-called trend graph that represents past measurement data in a graph, you can find out approximate daily values from past data. You can see how the values change. However, it is not possible to determine the average value even by looking at a graph of past measurement results.

Therefore, it is conceivable to calculate the average value in advance as the subject's daily value and display or print it together with the trend graph or the current measurement result. This allows you to compare the average value with the measured value at that time and determine whether it is higher or lower than the sweat level.

However, when calculating the average value, there is a problem in selecting the measurement value on which it is based. For example, the average value of measured values continuously measured over a short period of time has no meaning as a daily value. Further, when continuous measurements are made in such a short period of time, there are many cases where measurements are taken again due to errors due to the influence of hills, etc., and data other than the last data are often incorrect data. In the case of such erroneous measurements, it is cumbersome for the measurer to exclude RAM-defined data by operating an external switch or the like, and the operator often forgets to do so.

Furthermore, since very old measurement data no longer represents the daily values of the person being measured, it is inappropriate to use it as the basis for an average value.

As described above, it has been difficult to display or print the current measured value so that it can be compared with past measured data or daily values.

■■1 Purpose of the Invention The present invention solves the drawbacks of the prior art, and measures blood pressure along with pulse rate, displays or prints the measured value, and is used to represent the daily values of the person being measured. An object of the present invention is to provide a blood pressure measuring device that can display or print new past measurement data and their average values.

According to the present invention, in a blood pressure measuring device having a measuring means for measuring at least a systolic blood pressure value and a diastolic blood pressure value, and an output means for outputting a measured value measured by the measuring means, the blood pressure is measured in one stage. a storage means for storing measured value data stored in the storage means; a data processing means for processing the measured value data stored in the storage means to create predetermined data; and a data processing means for processing the measured value data stored in the storage means and the data processing means. The present invention is characterized in that it has a selection stage for selecting data to be output from the selected data, and outputs a display including a graph from the output means based on the data selected by the selection means.

According to one feature of the invention, the data processing means is capable of calculating an average value from the measured value data.

According to another feature of the present invention, the storage means includes a measured value data storage section that stores measured value data, and a processed data storage section that stores data obtained by processing the measured value data by the data processing means. Value data record! ! The unit is composed of a plurality of cells, each of the plurality of cells includes a systolic blood pressure storage area for storing systolic blood pressure and a diastolic blood pressure storage area for storing diastolic blood pressure, and the processing data storage unit stores measurement value data. Data set register indicating the number of cells.

A systolic blood pressure total register that stores the total value of systolic blood pressure values stored in the systolic blood pressure storage area, a diastolic blood pressure total register that stores the total value of diastolic blood pressure values stored in the diastolic blood pressure storage area, and a systolic blood pressure storage area. It can include an average systolic blood pressure register that stores the average value of the systolic blood pressure values stored in the diastolic blood pressure storage area, and an average systolic blood pressure register that stores the average value of the diastolic blood pressure values stored in the diastolic blood pressure storage area.

According to another feature of the invention, a blood pressure measuring device is provided.

Furthermore, it is possible to have data changing means for changing the measured value data stored in the storage means.

According to another feature of the present invention, the data changing means includes a measurement time of the previous measured value data stored in the storage means;
It has a comparison means that compares the measurement time of the current J11 bar value data measured by the measurement means, and when the current measurement time is within a predetermined time from the previous measurement time, the previous measurement value data is Can be deleted.

According to another feature of the present invention, the data changing means includes a measurement time of the oldest measured value data stored in the storage means;
It has a comparison means for comparing the current time with the current time, and can delete old measurement value data exceeding a predetermined number of days from the current time.

According to another feature of the present invention, the selection means can select the average f center of the current measurement value data measured by the measurement means and the measurement value data calculated by the data processing means.

According to another feature of the present invention, the selection means can select the average value of the plurality of measurement value data measured by the measurement means and the plurality of measurement value data calculated by the data processing means.

According to another feature of the present invention, the blood pressure measuring device further includes a switching means for the operator to select and switch whether or not to store the measured value data measured by the measuring means in the storage means. be able to.

According to another feature of the present invention, the measuring means can measure not only the systolic blood pressure value and the diastolic blood pressure value, but also the pulse rate, the temperature, and the date and time of measurement.

According to other features of the invention, the output means can be a display device and a printer.

DETAILED DESCRIPTION OF THE INVENTION AND METHOD OF OPERATION Hereinafter, embodiments of the blood pressure measuring device according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 shows a hardware configuration diagram of a blood pressure measuring device according to the present invention.

Microphone 2 detects sounds or vibrations from blood vessels and converts them into electrical signals in order to detect Korotkoff sounds. The Korotkoff sound is pressurized by the arm body 8 and gradually depressurized (it is generated from the arterial blood vessels, and the point where it occurs first is the systolic blood pressure and the point where it occurs last is the diastolic blood pressure. Korotkoff sounds are identified from the signal output from microphone 2.

The filter amplifier 3 shapes and amplifies the signal from the microphone 2 and outputs it to the AD converter 4.

The pressure detection unit 5 detects the pressure applied to the blood vessel via the cuff 8 by the pressurizing means, and converts it into a hypochondriacal signal. The amplifier 6 amplifies the signal from the pressure detection section 5 and outputs it to the 0 conversion section 4.

The AD converter 4 converts analog signals input from the filter amplifier 3 and the amplifier 6 into digital signals, and outputs the digital signals to the CPU 7.

The reference power supply section 13 generates a voltage that is used as a reference when the AD conversion section 4 converts the signals inputted from the filter amplifier 3 and the amplifier 6 into digital signals of, for example, 256 levels.

The pressure setting switch 12 is set by the operator to a predetermined value, such as 120 mmHg, 150 mm 1 g, or 180 I, based on the subject's daily systolic blood pressure so that the maximum pressure applied to the blood vessels by the cuff 8 does not become larger than necessary. layer Hg
, for setting in 21h intestinal og.

CPU? measures the blood pressure based on the vibration signal from the blood vessel and the pressure signal applied to the blood vessel input from the An converter 4. A measured value storage section 71 is provided within the CPU 7 for temporarily storing measured values.

The clock generator 17 generates a clock signal for controlling the operation timing of the CPU 7 and outputs it to the CPU 7.

The drive unit 14 operates the pressure pump 1 according to instructions from the CPU 7.
0 and exhaust valve 11. The pressurizing pump 10 sends out pressurized air to pressurize the blood vessels using the cuff 8. The exhaust valve 11 exhausts the pressurized air sent from the pressure pump 10 to the cuff 8 when the measurement is stopped after being pressurized by the pressure pump IO. The vacuum pulp 9 is for gradually exhausting and reducing the pressure of the pressurized air being sent to the cuff 8 from the pressure pump IO.

The display unit 1B displays the measured values determined by the CPU 7 and the data obtained by processing the stored measured values, and also displays the end of the measurement and the status of the device on the screen! 0 display section 16
further displays whether the mode of the blood pressure measuring device is automatic memory mode or not. Automatic memory mode is set to ΔIII after measurement is completed.
In this mode, all the results are stored in the memory 18 and the average value is calculated.

The printer 15 prints the measured values and data obtained by processing the stored measured values.

The memory 18 stores control procedures and processing progress of the CPU 7, and measurement results such as measured blood pressure values.

The timer 19 measures the time when blood pressure values and the like are measured.

The pressurizing switch 20 and the exhaust switch 22 are switches for driving the pressurizing pump IO and the exhaust valve 11, respectively. The measured value print switch 23 is
The printer 15 instructs the printer 15 to print out the measurement results stored in the measurement value storage section 71 of 7. Graph printing switch 21
instructs the printer 15 to print a graph of the measured values stored in the all constant value storage section 71 of the CPU 7.

The mode changeover switch 24 changes over the storage processing mode displayed on the display section 18.

As shown in FIG. 2, the memory 18 includes a measured value data storage section 30 that stores measurement data, and a processed data storage section 50 that stores data obtained by processing a constant data. The measured value data storage unit 30 is composed of a total of M cells, and each cell has a pointer P31 . A time storage area T32 that stores the Jl regular time, a systolic blood pressure storage area S33 that stores the measured systolic blood pressure value, a diastolic blood pressure storage area D34 that stores the measured diastolic blood pressure value, and a pulse storage area that stores the measured 1st beat. P
It consists of 35.

The processed data storage section 50 is made up of the following registers. The data set register N51 indicates the number of cells in which measurement data is stored, and the systolic blood pressure total register 5A
52 stores the sum of the systolic blood pressure values stored in the systolic blood pressure storage area S33 of each cell. The diastolic blood pressure total register DA53 stores the sum of the diastolic blood pressure values stored in the diastolic blood pressure storage area D34 of each cell. The pulse rate total register PA54 stores the sum of the pulse rates stored in the pulse rate storage area P35 of each cell.

The operation of this embodiment consisting of the following H configuration is performed by the third module averaged systolic blood pressure register 5M55 in the systolic blood pressure storage area S33 of each cell.
The average value 1 of the systolic blood pressure values stored in is stored. The average diastolic blood pressure register DM5B stores the average value of the diastolic blood pressure values stored in the diastolic blood pressure storage area D34 of each cell. The average pulse rate register PM57 stores the average value of the pulse rates stored in the pulse rate storage area P35 of each cell.

The print number register n58 stores the number of cells printed by the printer 15. The print systolic blood pressure total register 5a59 stores the sum of the printed systolic blood pressure values. The print diastolic blood pressure total register Da80 is a general summary of the printed diastolic blood pressure values.
, De1fn V * 2h fan wheel middle wheel 9 explanation.

First, in step 100, initial settings such as zero adjustment of the pressure detection section 5 and voltage check of the power source (not shown) are performed.

When a battery is used as a power source, if the power supply voltage is defective, such as when discharge progresses and the voltage drops below the specified level, a buzzer (not shown) on the display section 16 will sound and a message to that effect will be displayed on the display section. 16.

When the initial settings are completed, steps 110, 140°160
Graph print switch 21, mode changeover switch 2
4, or a pressure switch with a force of 200 Å. When the graph printing switch 21 is input, a graph printing process to be described later in step 120 is executed, and the process proceeds to step 140. When the mode changeover switch 24 is operated in step 140, a mode changeover process to be described later in step 150 is executed, and the process proceeds to step 160. Pressure switch 20 is pressed down input on step f160. Both industrial and industrial functions are the same.

Then, in the subsequent step 18G, the drive unit 14 is energized to close the exhaust valve 11, the pressurizing pump 10 is activated in the step 190, and the internal pressure of the cuff 8 is measured based on the signal from the pressure detection unit 5 in the subsequent step 200. , wait for the pressurization set value to be reached.

If the exhaust switch 22 is input before the pressurization set value is reached in step 210, the process proceeds to step 220, and the CP
U7 energizes the drive unit 14, opens the exhaust valve 11, exhausts the air in the cuff 8, and proceeds to step 310.

When the internal pressure of the cuff 8 reaches the set value, the process proceeds from step 200 to step 230, and the pressurizing pump 10 is stopped. After the pressurizing pump 10 is stopped, a small amount of air leaks through the pressure reducing valve 9 and the pressure starts to be reduced, and the measurement process of step 240 is performed. The measurements of the systolic blood pressure, diastolic blood pressure and pulse rate are carried out by known methods using the microphone 2 and the vascular sounds and Korotkoff sounds. When the measurement of the systolic blood pressure value (S), diastolic blood pressure value), pulse rate ψ), and measurement time (T) is completed, in step 250, these measured values are temporarily transferred to the CPU.
The measurement value is stored in the measured value storage unit 71 in 7. Then, in step 260, the drive unit 14 is energized, the exhaust valve 11 is opened, and the air in the cuff 8 is exhausted. Next, in step 270, data processing, which will be described later, is performed on these measured values, and in subsequent step 300, the processing results are displayed on the display section 16.

After that, in steps 31O1320, 340, 350, the graph printing switch 21, the measured value printing switch 23,
It waits for the mode changeover switch 24 and the pressure switch 20 to be input. Therefore, during this time, the processing results of the measurement results are displayed on the display section 16.

If the graph printing switch 21 is input in step 310, the graph printing process in step 12G is executed,
When the measured value print switch 23 is input in step 320, the measured value print process described later in step 330 is executed, and in step 340, the mode changeover switch 23 is turned on.
is input, the mode switching process in step 150 is executed, and if the pressurization switch 20 is input in step 350, the process returns to step 170, and measurement of blood pressure etc. is started again. If the pressure switch 20 is not input, the process returns to step 310.

Next, details of the mode switching process in step 150 mentioned above will be explained below with reference to FIG.

In the mode switching process, the mode setting flag f is checked in step 151, and after the measurement is completed, the measurement result is automatically stored in the memo IJ 18, and if the automatic storage mode is f=1 to calculate the average value, step 152 is performed. Then, in step 153, the automatic memory mark on the display section 16 is turned off. On the other hand, if f=o in step 151, it is switched to f=1 in step 154, and the automatic memory mark on the display section 16 is turned on at Stella 7'155.

Prior to i++ determination, the mode changeover switch 24 is set to automatic storage mode (a mode in which the measurement results are automatically stored in the memory 18 after measurement is completed) when the measurement results are required as data for the trend graph. When the measurement result is unnecessary as data for the trend graph (for example, when the subject is not the subject of the data stored in the memory 18), it is used to cancel the automatic storage mode.

Next, the details of the data processing of Stella F270 shown in Fig. 3 are explained in Fig. 5.
This will be explained below with reference to the figures.

In data processing, first, in step 271, the mode setting flag fi is checked, and if the automatic storage mode (f=1), the process proceeds to Stella f272, and if f=1, the process returns to the main routine of FIG. In step 272, it is checked whether the measured values such as blood pressure have been obtained normally. If they are obtained normally, the process proceeds to step 273; if not, the process returns to the main routine of FIG. Conventionally, in a blood pressure monitor having a pulse measurement function, if pulse measurement is not performed due to reasons such as the number of detected Korotkoff sounds being smaller than a specified number, an error message is displayed on the display unit 16. However, in such a case, the process returns to step 272 and returns to the main routine.

In step 273, the pointer 31 is checked and the measurement time T' of the cell to which the pointer 31 is set, that is, the cell in which the previous measurement result is stored, is read. Then, in the following step 274, the difference Δ from the current measurement time T stored in the measurement value storage unit 71 of the CPU 7 is determined.
Calculate T. Next, Stella f275 compares ΔT with a preset predetermined time 'ro, and if ΔT is smaller, the previous measurement result is considered to be an erroneous measurement and step 2
Proceed to step 76 and below to delete the previous measurement results.

That is, first, in step 276, the systolic blood pressure total register 5A52. The systolic blood pressure value S', the diastolic blood pressure value D', and the pulse rate P' of the cent position cell of the pointer 31 are subtracted from the total values stored in the diastolic blood pressure total recorder DA53 and the pulse rate total recorder PA54. and step 2
In step 77, the cell pointer position is changed and set to the previous cell by one, and the process proceeds to step 281.

On the other hand, if the time ΔT is larger than the predetermined time To in step 275, the process advances to step f278, and whether all measurement data is stored in each cell (1-M) of the data storage section 30 (
Check whether it is full or not. Specifically, the value held in the data set register 51 "N" is the number of cells in the data storage section 30.
This is done by checking whether it is equal to ``M''. If it is not full, the process proceeds to step 280, and the data center register 5 is
1 is incremented by one, and the process proceeds to step 281.

If it is full at step 278, step f279
Proceed to , and delete the oldest measurement data among the measurement data already stored. That is, the systolic blood pressure total register 5
A52. (
The systolic blood pressure value S", the diastolic blood pressure value D" and the pulse rate p// of the measurement data stored in the cell at the pointer position +1) are subtracted. Then, proceed to step f281.

In the step F281, first, the measured value in the CPU T is stored in the cell at the position (pointer position + 1), and each of the current measured values (systolic blood pressure value S, diastolic blood pressure value D, pulse P, measurement time T) stored in the section 71 is stored. ).

In the following step 282, the systolic blood pressure total register 5A52,
The currently measured systolic blood pressure value S, diastolic blood pressure value, and pulse rate P are added to the diastolic blood pressure total renosta DA53 and the pulse rate total renosta PA54.

In the following step f283, the set position of the pointer 31 is changed to (the cell position where the current pointer is pointed +1). Then, in the following step 284, step 283
Then, the pointer 31 is checked to see if data is stored in the cell next to the center cell. If no data is stored, it is checked whether data is stored in the next cell or not, and this routine is repeated until a cell storing data is found. In the final step 284,
The last cell in which the oldest measurement result is stored is searched in the data storage unit 30. In the following step 285, the measurement time 'T of the last cell is read. And then Stella f2
At step 86, the difference JT between the current measurement time T stored in the measurement value storage section 71 of the CPU 7 and the measurement time 'T of the last cell is calculated. In the following step 287, ΔT is compared with a preset predetermined time TI, and if ΔT is larger, the measurement results stored in the last cell are too old to be used as data for the trend graph. It is determined that it is inappropriate, and the process proceeds to step 288 and subsequent steps to erase the measurement results of the final cell. First, in step 288, the systolic blood pressure total register 5 is
A52. The systolic blood pressure value 's, the diastolic blood pressure value "D" and the pulse rate 'P of the final cell are subtracted from the diastolic blood pressure total register DA53 and the pulse rate total register PA54.Then, in step 289, the contents in the final cell are cleared, and in step 290, The data set register 51 is decremented by one. Then, the process returns to step 285 and the measurement time °T of the last cell in the data storage section 30, that is, the cell next to the cell cleared in step 289, is read.

Thereafter, steps 286 to 290 are repeated to erase all past measurement results for a predetermined period of time T1 or more from the current measurement time T from the data storage unit 30.

On the other hand, if the time difference ΔT is less than or equal to the predetermined time TI in step 287, the process proceeds to step 291, in which the contents of the systolic blood pressure total register SA52, the diastolic blood pressure total rhenosta DA53, and the pulse rate total rhenosta PA54 are transferred to the data set register 5.
1, the average value of the systolic blood pressure value S, the diastolic blood pressure value, and the pulse rate P is obtained, and these are stored in the average systolic blood pressure register 5M55, the average diastolic blood pressure register DM56, and the average pulse rate register PM57. and complete data processing.

Through the above processing, the measurement data is stored sequentially starting from cell 1, and when M cells are full, the next measurement data is stored in cell 1 again. At this time, at the same time as storing the measured data, a pointer 31 is set in the stored cell, and new measured data is always stored in the cell next to the cell where the pointer 31 is pointed.

Next, details of the graph printing process 120 will be explained with reference to the flowchart of FIG.

First, in step 121, it is checked whether the mode setting flag f is set to automatic storage mode (f=1),
Sten 7' if set to automatic memory mode.
The process proceeds to step 122 and below to perform graph printing processing, and if the automatic storage mode is not selected, the process returns to the main routine of FIG. 3 without executing graph printing processing.

In step 122, the pointer position of the data storage unit 30 is read and stored in a read address register (hereinafter referred to as RA) of the CPU 7 (not shown). This designates the address of the latest measurement data stored in the data storage section 30. Then, in step 123, the print number register n
58 and instructs printing of the latest measurement data.Next, in step f124, print systolic blood pressure total register 5a59 and print diastolic blood pressure total register D
Clear each of a 60 to “O”. Then, in step 125, prior to printing the measurement data, the pulse rate display 40i on the vertical axis in FIG. 9 is printed to prepare for printing the measurement data.

In the following step 126, the CPU 7 collects measurement data ki from the cell at the position indicated by RA. At this time, the month and day of measurement is read into a start time register (TS), not shown, and the measured data is printed out by the printer 15 in step 127. An example of printing in this graph printing mode is shown in FIG. FIG. 9 shows the measurement data printed a plurality of times as described above. Printing is done in the direction of the arrow.

The measurement data is printed in chronological order on a graph, with the vertical axis representing the blood pressure value and the horizontal axis representing the measurement time, starting from the latest measurement time. This graph is an axis graph showing the range between the systolic blood pressure value 41 and the diastolic blood pressure value 42 of the measured blood pressure values, and the systolic blood pressure value and diastolic blood pressure value at the time of measurement are displayed so that they can be recognized at a glance. has been done. The vertical axis shows the pulse rate (beats/minute) 43 in addition to the blood pressure value. When printing for one time (one cell) is completed, the process advances to step 128.
Step 1: Add the printed systolic blood pressure value S and diastolic blood pressure value to the print systolic blood pressure total register 5a59 and the print diastolic blood pressure total register Da 60, respectively.
Proceed to step 29.

In step 129, it is checked whether the graph print switch 21 is input. If not, the process proceeds to step 130 to continue printing measurement data, and the value of the print number register n56 and the value of the data center register 51 are checked. Check for equality. If they are not equal, there is some measurement data stored in the data storage section 30 that has not been printed yet, so the process proceeds to step 131 and the print number register n56 is incremented by one. In the following step 132, RA'i of CPU 7 is decremented by one,
Instructs the new measurement data address after the printed measurement data. Then, in step f133, check whether RA is 0'' or not. If it is @0#, step 134 is set.
Return to , and print new measurement data after the printed measurement data. If RA is not 10'', the process returns to step 126 and printing is performed.

If the graph print switch 21 instructing the end of printing has been input in step 129, or
30, print number register n58 is data center register 5
1, and if all the measurement data stored in the data storage section 30 has been printed, the process advances to step 7'135 to finish printing the measurement data, and an end time register (TE) (not shown) is entered. , reads the date of measurement in the cell indicated by RA, and then prints out the vertical axis blood pressure value display frame shown at 45 in FIG. The average value of the printed measurement data is determined by dividing by the value n of the register Da60 and the print number register n58, respectively. Then, the average value 46 obtained in step 137 is printed in characters as shown in FIG.
7, the month and day of measurement stored in the start time register TS and end time register TE are printed. Then, the process ends and returns to the main process shown in FIG.

By printing out data in this way, in order to accurately understand blood pressure values that are constantly changing, it is possible to stack up the results of measurements taken every few hours or every other day and observe changes in blood pressure values. I can do it. In particular, blood pressure values change sensitively depending on one's psychological state, and become temporarily high when one is nervous. For this reason, it is not possible to know the limit value accurately, and if antihypertensive drugs are used in patients who are easily nervous, they may actually make their health worse. As shown in Figure 9, by measuring blood pressure values over a long period of time and displaying them at the same time, changes in blood pressure values can be accurately and easily grasped.
Since the average blood pressure value is also displayed, you can make even more accurate decisions.

Next, when the @measured value print switch 23 is input, which will be described below with reference to the flowchart of FIG. Read data. Then, in step 332, the read measurement data is printed in characters.

FIG. 10 shows an example of measurement data printout by such measurement value printing processing.

In the example shown in FIG. 10, as character printing,
The ``systolic blood pressure value'', ``diastolic blood pressure value'', and ``pulse value'' are numerically printed along with the ``measurement date and time data'' clocked by the timer 19.

In step 332, all data of the measured values are printed in characters as shown at 81 in FIG.

Subsequently, in step 333, the pulse rate display on the vertical axis shown at 82 in FIG. 10 is printed, and preparations are made to print a graph of the measured data.

Then, in step 334, the mode setting flag f is checked, and if the automatic memory mode (f=1) is selected, the process proceeds to Stella 7° 335 to print the average value, and if f=1, printing of the average value is avoided, and step Proceed to 336. In the average value printing in step 335, the average systolic blood pressure register SM55, the average diastolic blood pressure register DM56, and the average pulse rate register P
Each average value stored in M57 is printed in the form of a bar graph as shown in FIG. 10 83. Next, in step 336, the current measurement data printed out by Stella 7' 332 is printed in the form of a bar graph as shown at 84 in FIG. Then, in the subsequent step 337, the blood pressure value display frame on the vertical axis shown at 85 in FIG. 10 is printed, the process ends, and the process returns to the main process in FIG. 3.

Furthermore, what is shown at 86 in FIG. 10 is the standard of V/HO when the vertical axis (blood pressure value) is set in the width direction of the recording paper that is preprinted on the recording paper used in this example. This is an appropriate blood pressure area display band showing the blood pressure value position of the value.

For example, the WHO blood pressure range is systolic blood pressure 160
mmHg or more, diastolic blood pressure value 95 + mnHg or more, so-called hypertensive region, systolic blood pressure value 140 wnHg = 1
60 mmHg, diastolic blood pressure 90 mmHg or more 4 Borderline hypertension region with both conditions of pharyngeal Hg and systolic blood pressure 1
A normal blood pressure region of 39wmHg or less and a diastolic blood pressure of 89■Hg or less are defined.

Next, the measured value display process in step 300 will be described below with reference to the flowchart shown in FIG.

To display the measured value, first check the mode setting flag in step 301, and if it is the automatic memory mode (r=1), proceed to Stella f302, and display the systolic blood pressure display section (not shown) and the diastolic blood pressure display section in the display section 16. The average value of each blood pressure information and the current measurement value are displayed alternately on the display section and pulse rate display section, and if it is not the automatic memory mode (f=0), the process proceeds to step 303 and the current measurement value is displayed on each display section. . When displaying the average value in step 302, a mark indicating that the displayed value is the average value is displayed at the same time, and the mark disappears while the measured value is being displayed.

According to this embodiment, by equipping the blood pressure measuring device with a recording function and a memory function, it is possible to automatically output temporal fluctuation trends of past blood pressure in the form of a trend graph. The average value of past measured values is also automatically output, allowing you to know the average value along with the trend graph.

Therefore, using this as a guide, it is possible to easily recognize whether the current measurement result is higher or lower than usual, which is effective for blood pressure diagnosis, health management, etc.

In addition, when a measurement is taken again within a certain period of time, a function is provided to automatically erase the previous measurement data. Automatically erase this data without operating a switch and store only correct data as trend data if the previous data is not a measured result or is not needed for other reasons. I can do it. Furthermore, even if there is an abnormality in the measurement results, the abnormal data can be automatically deleted and only the correct data can be stored.

By deleting measurement results past a predetermined time (or number of days) from the data stored in the storage means, it is possible to delete past measurement results beyond the current time. The influence of data can be removed.

Furthermore, a mode changeover switch is provided, which can be operated to cancel the automatic storage mode, so that it can be used by people other than the person who is subject to fluctuation recording.

■Specific Effects of the Invention According to the present invention, by providing a blood pressure measuring device with a memory function and a data processing function, it is possible to automatically output temporal fluctuation trends and average values of past blood pressure. Since it is possible, it is also possible to output a graph.

Therefore, it can be effectively used for blood pressure diagnosis, health management, etc.

[Brief explanation of drawings]

1 is a hardware configuration diagram of a blood pressure measuring device according to the present invention; FIG. 2 is a diagram showing internal functions of the memory in FIG. 1; FIG. 3 is a flowchart showing a processing procedure by the device in FIG. 1; FIG. 5 is a flowchart showing the flow of the mode switching process in FIG. 3; FIG. 5 is a flowchart showing the data processing flow in FIG. 3; FIG. 6 is a flowchart showing the graph printing process in FIG. 3; Figure 7 is a flowchart showing the flow of the measured value printing process in Figure 3, Figure 8 is a flowchart showing the flow of the measured value display process in Figure 3, and Figure 9 is an example of a graph printed by the graph printing process. FIG. 10 is a diagram showing an example of a graph printed by the measurement value printing process. 2...Microphone 4...AD converter 5...Pressure detector 7...CPU 15. ... Printer 16 ... Display section 18 ... Memory 19 ... Timer 24 ... Mode changeover switch 30 ... Measured value data storage section 50 ... Processed data storage section 51 ... Data Set register 71...measured value storage section

Claims (1)

[Scope of Claims] 1. A blood pressure measuring device having a measuring means for measuring at least a systolic blood pressure value and a diastolic blood pressure value, and an output means for outputting the measured value measured by the measuring means, storage means for storing the measured value data stored in the storage means; data processing means for processing the measured value data stored in the storage means to create predetermined data; and a selection means for selecting data to be output from the data processed by the data processing means, and a display including a graph is output from the output means based on the data selected by the selection means. Blood pressure measuring device. 2. The blood pressure measuring device according to claim 1, wherein the data processing means calculates an average value from the measured value data. 3. The storage means includes a measured value data storage section that stores the measured value data, and a processed data storage section that stores data obtained by processing the measured value data by the data processing means, and the measured value data storage section is composed of a plurality of cells, each of the plurality of cells includes a systolic blood pressure storage area for storing systolic blood pressure and a diastolic blood pressure storage area for storing diastolic blood pressure, and the processing data storage section stores the measured value data. a data set register indicating the number of cells in the cell; a systolic blood pressure total register storing the total value of systolic blood pressure values stored in the systolic blood pressure storage area; and a total systolic blood pressure value stored in the diastolic blood pressure storage area. a systolic blood pressure total register that stores values; an average systolic blood pressure register that stores an average value of the systolic blood pressure values stored in the systolic blood pressure storage area;
3. The blood pressure measuring device according to claim 2, further comprising an average diastolic blood pressure register that stores an average value of the diastolic blood pressure values stored in the diastolic blood pressure storage area. 4. The blood pressure measuring device further includes data changing means for changing the measured value data stored in the storage means, according to any one of claims 1 to 3. blood pressure measuring device. 5. The data changing means has a comparison means for comparing the measurement time of the previous measurement value data stored in the storage means and the measurement time of the current measurement value data measured by the measurement means. 5. The blood pressure measuring device according to claim 4, wherein the blood pressure measurement device deletes the previous measurement value data when the current measurement time is within a predetermined time from the previous measurement time. 6. The data changing means has a comparison means for comparing the measurement time of the oldest measured value data stored in the storage means with the current time, and when a predetermined number of days has passed from the current time, 5. The blood pressure measuring device according to claim 4, wherein old measured value data is deleted. 7. The selection means selects the average value of the current measurement value data measured by the measurement means and the measurement value data calculated by the data processing means. The blood pressure measuring device according to any one of Item 6. 8. The selection means selects a plurality of measurement value data measured by the measurement means and an average value of the plurality of measurement value data calculated by the data processing means. The blood pressure measuring device according to any one of Items 1 to 7. 9. The patent characterized in that the blood pressure measuring device further includes a switching means for an operator to select and switch whether or not to store the measured value data measured by the measuring means in the storage means. A blood pressure measuring device according to any one of claims 1 to 8. 10. The measuring means measures not only the systolic blood pressure value and the diastolic blood pressure value, but also the pulse rate, temperature, and the date and time of these measurements. The blood pressure measuring device according to any one of the above. 11. The blood pressure measuring device according to any one of claims 1 to 10, wherein the output means is a display device and a printer.