WO2010055783A9 - 表示が改善された血圧測定装置 - Google Patents
表示が改善された血圧測定装置 Download PDFInfo
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- WO2010055783A9 WO2010055783A9 PCT/JP2009/068649 JP2009068649W WO2010055783A9 WO 2010055783 A9 WO2010055783 A9 WO 2010055783A9 JP 2009068649 W JP2009068649 W JP 2009068649W WO 2010055783 A9 WO2010055783 A9 WO 2010055783A9
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- blood pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
- A61B5/0225—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers the pressure being controlled by electric signals, e.g. derived from Korotkoff sounds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/02141—Details of apparatus construction, e.g. pump units or housings therefor, cuff pressurising systems, arrangements of fluid conduits or circuits
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
- A61B5/743—Displaying an image simultaneously with additional graphical information, e.g. symbols, charts, function plots
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/04—Constructional details of apparatus
- A61B2560/0406—Constructional details of apparatus specially shaped apparatus housings
Definitions
- the present invention relates to a blood pressure measurement device, and more particularly to a blood pressure measurement device that displays a blood pressure measurement result as a bar graph.
- Conventional electronic sphygmomanometers digitally display blood pressure measurement results such as the highest blood pressure value and the lowest blood pressure value and notify the measurer (user).
- the measurer can know past blood pressure values by calling and displaying the history of blood pressure measurement results.
- Such a display method is effective for the measurer to recognize the measurement result as an accurate value, but it is difficult to determine the relative level of the blood pressure value at a glance. Further, when a plurality of history data are continuously called and displayed in order to know the transition state of blood pressure values in time series, it is difficult to instantly understand the blood pressure trend.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2004-121632
- the blood pressure measurement result is displayed in a substantially rod-shaped area so that the user can easily see which blood pressure measurement result belongs to, but the user belongs to the blood pressure measurement result. It is not possible to know in detail the degree within the category.
- Patent Document 2 Japanese Patent Laid-Open No. 2006-129893
- the blood pressure measurement result is displayed as an analog bar graph corresponding to a digital display as in the conventional mercury blood pressure monitor.
- Patent Document 3 Japanese Patent Laid-Open No. 2007-135715
- the user can easily read the high and low blood pressure levels as the maximum blood pressure and the minimum blood pressure.
- the measurer user himself must make the determination based on the blood pressure measurement result.
- Patent Document 4 Japanese Patent Application Laid-Open No. 61-193643
- the stored blood pressure data is processed and graphed for each time interval and displayed on a display device.
- the user can determine the transition state of the blood pressure value in time series at a glance.
- a display area for displaying a certain range of time-series data is required, and the display device becomes large.
- JP 2004-121632 A JP 2006-129893 A JP 2007-135715 A JP 61-193643 A
- An object of the present invention is to provide a blood pressure measuring device having a display mode that makes it possible to intuitively understand the level of a blood pressure value that is difficult to understand on a digital display.
- Another object of the present invention is to provide a blood pressure measurement device that makes it possible to determine the transition state of blood pressure values at a glance while having a small display area.
- a blood pressure measurement device includes a cuff attached to a measurement site of a living body, a control unit that calculates blood pressure while adjusting the cuff pressure for blood pressure measurement, and a blood pressure calculated by the control unit.
- a storage unit that stores data, a display unit, and a display operation unit that is operated to input instructions related to display using the display unit. Based on an instruction input via the display operation unit, the blood pressure indicated by the blood pressure data read from the storage unit is displayed on the same screen of the display unit by a bar divided by a plurality of segments of a predetermined unit, and numerical values are simultaneously displayed. Is displayed.
- the blood pressure measurement device reads out the blood pressure data from the storage unit, and displays the blood pressure indicated by the read blood pressure data with a bar, and at the same time, with a numerical value. And a display processing unit.
- blood pressure data to be read from the storage unit is read according to the time series of measurement times.
- the blood pressure data read from the storage unit indicates a maximum blood pressure and a minimum blood pressure.
- the systolic blood pressure and the diastolic blood pressure indicate the average of the systolic blood pressure and the diastolic blood pressure, respectively, of blood pressure data measured within a predetermined period.
- the systolic blood pressure and the diastolic blood pressure indicate the average of the systolic blood pressure and the diastolic blood pressure, respectively, of the blood pressure data measured within one week.
- the systolic blood pressure and the diastolic blood pressure indicate the average of the systolic blood pressure and the diastolic blood pressure, respectively, of the blood pressure data for one week measured in a predetermined time period of the day.
- the predetermined time zone refers to a time zone corresponding to morning or a time zone corresponding to night.
- a reference value indicating a predetermined blood pressure category is displayed in association with a position indicating a blood pressure value corresponding to the reference value on the bar.
- the predetermined blood pressure category refers to an early morning hypertension category.
- the blood pressure that fluctuates according to the adjustment is displayed with a bar on the same screen and simultaneously with a numerical value.
- each of the segments refers to 10 mm Hg.
- the bar has a rectangular shape.
- the blood pressure indicated by the blood pressure data is simultaneously displayed on the same screen of the display unit by a rectangular bar divided by a plurality of segments of a predetermined unit and by a numerical value.
- blood pressure data is read from the storage unit according to the chronological order of the measurement time.
- the read blood pressure data is simultaneously displayed on the same screen by a rectangular bar and a numerical value. Thereby, even if it is a small display area called a screen, the user can determine the transition state of the blood pressure value according to the time series at a glance.
- the self-winding electronic sphygmomanometer 1 includes a blood pressure measurement air bag 50, a pressure fixing air bag 51 for compressing and fixing the blood pressure measurement air bag 50 to a measurement site, blood pressure.
- a blood pressure measurement air system 52 for supplying or discharging air to / from the measurement air bag 50 via a tube 53, an amplifier 35 provided in association with the blood pressure measurement air system 52, a pump drive circuit 36, and a valve drive circuit 37 And an A / D (Analog / Digital) converter 38.
- the self-winding electronic sphygmomanometer 1 includes a compression / fixing air system 54 for supplying or discharging air to / from the compression / fixing air bag 51 via a tube 55, and an amplifier provided in association with the compression / fixing air system 54 45, a pump drive circuit 46, a valve drive circuit 47, and an A / D converter 48.
- the automatic winding electronic sphygmomanometer 1 includes a CPU (Central Processing Unit) 30 for centrally controlling and monitoring each part, a memory 39 for storing various information such as measured blood pressure values, and blood pressure measurement results.
- a display unit 40 for displaying various information included, an operation unit 41 operated to input various instructions for measurement, a timer 49 for measuring the current time, and a hinge unit 106 incorporating a sensor 107 described later are provided. .
- the blood pressure measurement air system 52 detects and outputs a pressure (hereinafter referred to as cuff pressure) in a blood pressure measurement air bladder 50 (corresponding to a cuff described later), and air is supplied to the blood pressure measurement air bladder 50.
- a pump 33 for supplying and a valve 34 that is opened and closed to exhaust or confine air from the blood pressure measurement bladder 50 are provided.
- the amplifier 35 receives the output signal of the pressure sensor 32, amplifies the input signal, and gives it to the A / D converter 38.
- the A / D converter 38 inputs the given analog signal, converts the input signal into a digital signal, and outputs it to the CPU 30.
- the pump drive circuit 36 controls the drive of the pump 33 based on a control signal given from the CPU 30.
- the valve drive circuit 37 controls opening and closing of the valve 34 based on a control signal given from the CPU 30.
- the pressure fixing air system 54 includes a pressure sensor 42 for detecting and outputting the pressure in the pressure fixing air bag 51, a pump 43 for supplying air to the pressure fixing air bag 51, and a pressure fixing air bag. It has a valve 44 that is opened and closed to exhaust or confine 51 air.
- the amplifier 45 receives the output signal of the pressure sensor 42, amplifies the input signal, and gives it to the A / D converter 48.
- the A / D converter 48 receives an applied analog signal, converts the input signal into a digital signal, and outputs the digital signal to the CPU 30.
- the pump drive circuit 46 controls the drive of the pump 43 according to a control signal given from the CPU 30.
- the valve drive circuit 47 controls the opening and closing of the valve 44 in accordance with a control signal given from the CPU 30.
- an automatic winding electronic sphygmomanometer 1 includes a fixing cylindrical case 57 for fixing an upper arm that is a measurement site of a measurement subject, a sphygmomanometer main body 58, and an elbow joint at the time of measurement.
- a placement portion 59 for placing the following arms is provided.
- the fixing cylindrical case 57 includes a display unit 40 made of an LCD (liquid Crystal Display) or the like, and an operation unit 41 provided so that the measurement subject can operate from the outside.
- the operation unit 41 reads the power switch 41A, the switch 41B operated to select the measurement subject, the switch 41C for instructing the start and stop of blood pressure measurement, and the stored measurement data on the readout display unit 40.
- switches 41D and 41E are operated.
- a series of operations until the measurement data is read from the storage unit and the read measurement data is displayed is called a call display.
- the switch 41D includes a switch 411D that is operated to call and display the morning time zone measurement data described later, and a switch 412D that is operated to call and display the night time zone measurement data described below.
- the self-winding electronic sphygmomanometer 1 can store blood pressure measurement data for two people.
- the users A and B can be designated by operating the switch 41B. Visitors other than the users A and B can be designated by operating the switch 41B. When a visitor is designated, blood pressure measurement is performed, but blood pressure measurement data is not stored.
- the automatic winding electronic sphygmomanometer 1 can store blood pressure measurement data for two people, but may be three or more.
- the fixing cylindrical case 57 has a blood pressure measurement air bag 50 attached to the measurement site on the inner peripheral surface.
- FIG. 3 shows a state where the upper arm, which is the measurement site of the measurement subject, is inserted and fixed from the front side of the drawing of the fixing cylindrical case 57.
- the mounting portion 59 is folded to the sphygmomanometer main body 58 side via the connection portion 591, and the fixing cylindrical case 57 is sphygmomanometer via the hinge portion 106. They are brought down to the main body 58 side to adopt an integral configuration.
- the person to be measured from the state of the integrated configuration, places the fixing cylindrical case 57 in front of the drawing via the hinge portion 106 as shown in FIG. Rotate to (measured person side) and move away from the sphygmomanometer body 58.
- the person to be measured can be inserted into the fixing cylindrical case 57.
- the fixing cylindrical case 57 and the sphygmomanometer main body 58 are connected via the hinge portion 106.
- FIG. 2 schematically shows a cross section of the fixing cylindrical case 57 in the state of FIG.
- the blood pressure measuring air bag 50, the pressure fixing curler 56, and the pressure fixing air bag 51 are directed from the outer periphery of the upper arm, which is the measurement site, toward the inner peripheral surface of the fixing cylindrical case 57.
- the compression fixing curler 56 is wound around the upper arm.
- the shape of the compression fixing curler 56 becomes substantially circular along the circumference of the upper arm by winding.
- the substantially circular diameter is telescopic.
- the compression / fixing curler 56 contracts its diameter by its action, and accordingly, the compression / fixing curler 56 and the human body (upper arm) ) Is pressed against the measurement site.
- the blood pressure measurement air bladder 50 is wound and fixed around the human body (arm) by the compression / fixation curler 56 and the compression / fixation air bladder 51, and the blood pressure can be measured.
- the automatic winding electronic sphygmomanometer 1 includes a pressure adjustment unit 101, a blood pressure calculation unit 102 including an average calculation unit 1021, an input determination unit 103, a display processing unit 104, and an inclination detection unit 105.
- the pressure adjusting unit 101 controls the pump driving circuits 36 and 46 and the valve driving circuits 37 and 47 to adjust the internal pressures of the blood pressure measurement air bladder 50 and the pressure fixing air bladder 51.
- the blood pressure calculation unit 102 calculates blood pressure based on the signal input from the A / D converter 38 and stores the calculation result in the memory 39. In addition, the calculation result is output to the display processing unit 104 for display. Details of the function of the blood pressure calculation unit 102 will be described later.
- the average calculating unit 1021 detects that the time data indicates a predetermined day of the week (for example, Sunday) based on the time data counted by the timer 49, the blood pressure measurement data for the past one week is read from the memory 39, An average measurement value is calculated based on the read measurement data for one week, and the calculated average data is stored in the memory 39. Details of the function of the average calculation unit 1021 will be described later.
- the input determination unit 103 inputs a signal output when the operation unit 41 is operated by the measurement subject, determines which switch of the operation unit 41 is operated based on the input signal, and determines the determination result. Output. Specifically, the input determining unit 103 stores in advance, for each switch, the signal level output when the switch is operated in association with each other. When the user operates the switch, the level of the signal input from the operation unit 41 and the stored level are compared and collated, and the type of switch stored corresponding to the matching level is specified. Thereby, the type of the operated switch can be determined.
- the tilt detection unit 105 is provided in association with the sensor 107 of the hinge unit 106.
- the sensor 107 detects an inclination angle (see angle ⁇ in FIG. 3) of the fixing cylindrical case 57 with respect to the sphygmomanometer main body 58 via the hinge portion 106.
- the detected tilt angle signal is provided to the tilt detection unit 105.
- the inclination detection unit 105 compares the angle indicated by the input inclination angle signal with a predetermined angle stored in advance, and outputs a signal based on the comparison result to the display processing unit 104 and the blood pressure calculation unit 102 as an inclination detection signal. .
- the display processing unit 104 has a function for displaying data on the display unit 40. Specifically, the display processing unit 104 stores in the in-measurement processing unit 111 for performing display during blood pressure measurement, the current measurement processing unit 112 for displaying the current blood pressure measurement result at the end of blood pressure measurement, and the memory 39. A processing unit 113 for reading and displaying the measurement results of each time, and a weekly processing unit 114 for reading and displaying the average blood pressure measurement results stored in the memory 39 on a weekly basis.
- the functions of the pressure adjustment unit 101, the blood pressure calculation unit 102, the input determination unit 103, the display processing unit 104, and the inclination detection unit 105 are stored in advance in the memory 39 as a program.
- the CPU 30 reads out these programs from the memory 39 and executes the read programs, thereby realizing the functions of the corresponding units.
- FIG. 6 shows an example of the contents stored in the memory 39.
- Memory 39 includes regions E1, E2, E3 and E4.
- the area E1 is an area in which the measurement result is temporarily stored in the format of the record R0 when blood pressure measurement is performed.
- Each of the regions E2, E3, and E4 is provided with a region for storing blood pressure measurement results for each of the users A and B.
- the record R0 of the area E1 which is the blood pressure measurement result is read, and the read record R0 is stored in the format of the record R1. More specifically, the blood pressure measurement result record R1 of the user A is stored in the area E2a in the area E2, and the blood pressure measurement result record R1 of the user B is stored in the area E2b in the area E2.
- the average data of the morning time zone measurement data calculated for each week based on the blood pressure measurement result stored in the area E2 is stored in the format of the record R2. More specifically, the average data of weekly morning time zone measurement data based on the data stored in the area E2a of the user A is stored in the area E3a. Similarly, average data of weekly morning time measurement data based on data stored in the area E2b of the user B is stored in the area E3b in the area E3.
- average data of the night time zone measurement data calculated for each week based on the blood pressure measurement result stored in the area E2 is stored in the format of the record R3. More specifically, the average data of the weekly nighttime measurement data based on the data stored in the area E2a of the user A is stored in the area E4a in the area E4. Similarly, average data of weekly night time measurement data based on data stored in the area E2b of the user B is stored in the area E4b in the area E4.
- the record R0 in the area E1 includes, as the blood pressure measurement result this time, the systolic blood pressure data SYS, the diastolic blood pressure data DIA, the pulse rate data PL, the measurement time data TM, and data indicating whether it corresponds to early morning hypertension.
- DE1 data DE2 indicating whether or not the person to be measured has moved during blood pressure measurement, whether the tilt angle of the fixing cylindrical case 57 has deviated from a predetermined angle for normal measurement, that is, tilted Data DE3 for instructing whether or not, and data DE4 for identifying the user are included.
- Data TM refers to measurement time.
- the blood pressure calculation unit 102 stores the time data input from the timer 49 as data TM in the record R0.
- the data DE4 instructs the measurement subject to be instructed by operating the switch 41B.
- a signal input from the input determination unit 103 by the blood pressure calculation unit 102 is stored in the record R0 as data DE4.
- the data DE3 indicates a detection result of whether or not the angle ⁇ of the fixing cylindrical case 57 detected by the inclination detection unit 105 by the sensor 107 during blood pressure measurement is out of a predetermined angle range.
- the range of the predetermined angle indicates the range of the angle ⁇ detected when the measurer is in a normal measurement posture. It is assumed that the data of the predetermined angle range is detected in advance by experiments or the like and stored in a predetermined storage area of the memory 39.
- Data DE2 indicates the result of detecting whether or not the person to be measured has moved the body during blood pressure measurement. It is known that if the body is moved during the measurement, the measurement accuracy is lowered.
- the CPU 30 can detect the presence or absence of body movement based on the waveform of the pulse wave detected during blood pressure measurement. Since a well-known technique can be applied to the body motion detection procedure, the details are omitted here.
- the determination result of the angle ⁇ of the fixing cylindrical case 57 and the detection result of the presence or absence of body movement by the inclination detection unit 105 are output to the blood pressure calculation unit 102.
- the blood pressure calculation unit 102 stores the detection result and the body movement detection result input from the inclination detection unit 105 in the record R0 as data DE2 and DE3, respectively.
- the record R1 stored in the area E2a includes data DN, data SYS, DIA, PL, and TM, and data DE1, DE2, and DE3 indicating the serial numbers according to the order stored in the area E2a, that is, in accordance with the measurement time order.
- the record R1 is similarly stored in the area E2b for the user B. In each of the areas E2a and E2b, for example, a maximum of 99 records R1 can be stored.
- the record R2 in the area E3a includes data representing an average of measurement data in units of one week calculated based on the record R1 in which the data TM indicates the morning time zone among the records R1 stored in the area E2a.
- Record R2 is data WN indicating what week of data, data ASYS indicating the average of systolic blood pressure data SYS measured in the morning time zone for one week, and the minimum blood pressure of morning blood zone measurement for one week
- Data ADIA representing the average of the data DIA
- data APL representing the average of the pulse rate data PL of the morning time zone measurement for one week
- the average blood pressure indicated by the data ASYS and ADIA stored in the record R2 are early morning Data AE1 indicating whether hypertension is instructed or not is included.
- the record R2 of the area E3b includes data ASYS, ADIA, APL, and AE1 calculated on a weekly basis based on the data stored in the area E2b.
- the record R3 in the area E4a includes the average value data for the weekly time period measurement data based on the record R1 in which the data TM indicates the night time period among the records R1 stored in the area E2a.
- the record R3 in the area E4b includes the average value data of the weekly time period measurement data based on the record R1 in which the data TM indicates the night time period among the records R1 stored in the area E2b.
- each of the areas E3a, E3b, E4a, and E4b for example, records for a maximum of 8 weeks are stored. Specifically, this week (data WN indicates “0”), last week (1 week before: data WN indicates “1”), and last week (2 weeks before: data WN is “2”). A total of 8 weeks of records can be stored.
- the newly calculated content is overwritten on the record stored in the past, that is, the record indicated by the data WN is “7”.
- the value of the data WN of the record is updated from “7” to “0”, and the value of the data WN of each other record is updated by +1.
- Pointers P1, P2, and P3 are provided in the areas E2, E3, and E4, respectively.
- Pointer P1 indicates record R1 from which data is currently read in area E2.
- Pointer P2 points to record R2 from which data is currently read in area E3.
- Pointer P3 points to record R3 from which data is currently read in area E4.
- the blood pressure calculation unit 102 calculates blood pressure (maximum blood pressure (systolic blood pressure) and minimum blood pressure (diastolic blood pressure)) according to a known method, for example, an oscillometric method, based on the pulse wave signal input from the A / D converter 38. To do. Further, the pulse is calculated by a known method.
- the blood pressure calculation unit 102 determines whether or not it falls under early morning hypertension, whether there is body movement during measurement, and whether the inclination angle ⁇ of the fixing cylindrical case 57 during measurement is appropriate. It is determined whether or not the user is different and the determination result is stored in the memory 39 in association with the measurement data.
- the home blood pressure has a maximum blood pressure of 135 mmHg or more or a minimum blood pressure of 85 mmHg or more, it is defined as hypertension.
- Early morning hypertension is a factor that increases cardiovascular risk. Therefore, in the present embodiment, when it is detected that the blood pressure measurement is performed from 4 am to 10 am on the day based on the time measurement data of the timer 49, it is determined that the measurement is performed in the morning time zone, and the afternoon When it is detected that the measurement is performed from 7:00 to 2 am, it is determined that the measurement is performed at night time.
- the morning time zone measurement data SYS and DIA are compared with hypertension index data (135 mmHg / 85 mmHg), and it is detected whether or not early morning hypertension is based on the comparison result.
- the detection result is stored as data DE1.
- the average calculation unit 1021 inputs a signal generated by operating the switch 41B through the input determination unit 103, and identifies the user based on the input signal. Then, the past measurement data stored in the area of the memory 39 corresponding to the identified user is searched, and the measurement data in the morning time zone for one week is read. The average data of the read data is calculated. Similarly, the average data of the measurement data in the night time zone for one week is calculated.
- the clock data of the timer 49 indicates a predetermined day of the week (for example, Sunday)
- the measurement data of the record R1 in the morning time zone for the past week (data TM is from 4 am to 4 am
- the measurement data of the record R1 indicating 10:00) is read from the area E2 of the memory 39, the average of the read measurement data for one week is calculated, and the calculated result is stored in the area E3 of the memory 39.
- the measurement data of the past one week in the night time zone (measurement data of the record R1 in which the data TM indicates from 7:00 pm to 2:00 am) is read from the area E2 of the memory 39 and read 1
- the average of the measurement data for the week is calculated, and the result is stored in the area E4 of the memory 39.
- the average calculation unit 1021 compares the calculated average measurement data ASYS and ADIA in the morning time and index data (135 mmHg / 85 mmHg) of hypertension, and detects whether or not early morning hypertension is based on the comparison result.
- the detection result is stored in the record R2 as data AE1.
- the average calculation unit 1021 determines, for each user, the measurement data of the record R1 in the morning time zone and the night time zone for this week (from the immediately preceding Sunday to today) of the area E2. The average of the measurement data in the morning time zone and the night time zone for this week is calculated, and the results are stored in the areas E3 and E4 of the memory 39 as records R2 and R3 (data WN is '0'), respectively.
- Blood pressure measurement process The blood pressure measurement process according to the present embodiment will be described with reference to the flowchart of FIG.
- the blood pressure measurement process described below is an example, and the blood pressure measurement technique is not particularly limited.
- the CPU 30 first performs an initialization process (step S302). Specifically, the air of the blood pressure measurement air bladder 50 and the pressure fixing air bladder 51 is exhausted, the pressure sensors 32 and 34 are corrected, and the like.
- the pressure adjusting unit 101 drives the pump drive circuits 36 and 46 according to a predetermined procedure, and gradually increases the pressure of the blood pressure measurement air bladder 50 and the pressure fixing air bladder 51 (step S304).
- the internal pressure (cuff pressure) of the blood pressure measurement air bladder 50 gradually increases to a predetermined level for blood pressure measurement.
- the pressure adjusting unit 101 controls the pump drive circuit 36 to stop the pump 33.
- display processing using the display unit 40 by the processing unit 111 during measurement is performed (step S305).
- blood pressure is calculated in the pressurization process until the cuff pressure increases and a predetermined level is indicated.
- the pulse pressure signal superimposed on the cuff pressure signal detected by the pressure sensor 32 via the A / D converter 38 is given to the blood pressure calculation unit 102.
- the blood pressure calculation unit 102 converts the input pulse pressure signal into blood pressure data, and sequentially outputs the blood pressure data obtained by the conversion to the processing unit 111 during measurement.
- the during-measurement processing unit 111 generates image data based on the input data, and outputs the generated image data to the display unit 40.
- the display unit 40 displays an image based on the input image data.
- display unit 40 includes data 200 indicating current blood pressure, pulse rate data 201, blood pressure level bar 202, data 205A indicating another user, data 206 indicating that measurement is being performed, Data 207 indicating that pressure is being applied, data 208 indicating the degree of inclination of the fixing cylindrical case 57 based on the detection signal from the inclination detector 105, current time data 209 indicated by the timer 49, battery replacement alarm 210, and A reference value 204, which is an index of early morning hypertension, shown in association with the blood pressure level bar 202 is simultaneously displayed on the same screen.
- the pulse rate is not calculated, “00” is displayed as the value of the pulse rate data 201.
- the reference value 204 for determining the early morning hypertension classification is displayed in association with the position indicating the blood pressure value corresponding to the reference value 204 on the blood pressure level bar 202.
- the reference value 204 is displayed here, it may be printed on the screen of the display unit 40 in advance.
- a bar graph 215 with a hatched portion indicating the value of the blood pressure indicated by the data 200 is also displayed simultaneously with the blood pressure level bar 202.
- the bar length of the bar graph 215 expands and contracts in conjunction with the change in the value of the data 200 so as to indicate the value of the data 200.
- a rectangular mark 203 is displayed on the blood pressure level bar 202 as a scale for dividing into segments of, for example, 10 mmHg.
- the mark 203 is displayed transparently through the bar graph 215.
- the bar graph 215 on the rectangular, preferably rectangular, blood pressure level bar 202 and the digital numerical value by the data 200 are displayed simultaneously, and the bar of the bar graph 215 indicates the data 200. Since the subject expands and contracts in conjunction with the change in value, the measurement subject can intuitively check the progress of pressurization on the display screen of FIG.
- the blood pressure calculation unit 102 calculates blood pressure (maximum blood pressure, minimum blood pressure) according to a known procedure based on the pressure pulse wave signal detected via the A / D converter 38 (step S306).
- the blood pressure calculation unit 102 calculates the pulse rate by a known procedure.
- the calculated blood pressure and pulse rate are stored in the area E1 of the memory 39 as the aforementioned record R0, and the contents of the record R0 are given to the current measurement processing unit 112 of the display processing unit 104.
- the measurement processing unit 112 this time generates image data based on the given data and outputs it to the display unit 40 (step S308).
- the display unit 40 displays, for example, the screen of FIG. 10 based on the input image data.
- the display unit 40 displays data 250B for notifying the subject that the measurement data is not “recorded”. Is done.
- a bar graph 215 with a hatched portion is displayed so as to be superimposed on the blood pressure level bar 202.
- the values on the blood pressure level bar 202 corresponding to the systolic blood pressure and the diastolic blood pressure indicated by the data 200A and 200B are indicated by the upper end and the lower end of the bar of the bar graph 215, respectively.
- the mark 203 of the blood pressure level bar 202 is displayed through the bar graph 215 so that the subject can easily read the blood pressure value.
- the blood pressure calculation unit 102 generates a record R1 based on the data of the record R0, and stores the generated record R1 in the area of the user in the area E2 of the memory unit 39 (step S30). S310).
- the generated record R1 is stored in the region E2a or E2b based on the operation signal of the switch 41B.
- the air in the blood pressure measurement air bladder 50 and the pressure fixing air bladder 51 is rapidly exhausted, and the measurement process ends.
- step S308 may be performed after the storage process in step S310.
- the blood pressure measurement is performed during the pressurization process, it may be performed during the decompression process.
- the blood pressure measurement data stored in the memory 39 is read in response to an instruction by the operation of the operation unit 41, and the read data is displayed on the display unit 40. This is hereinafter referred to as call processing.
- the switch 41D or 41E is operated to instruct execution of the call display process.
- the calling process will be described with reference to FIG.
- a sufficient number of records R1, R2, and R3 are stored in the memory 39 in ascending order of the values of data DN and WN.
- the user A is designated by the operation of the switch 41B.
- a case where the call display process of the record R1 or R2 is performed on the blood pressure measurement data of the user A will be described. Even when the switch 41B is operated and the user B is designated, the processing is similarly performed.
- the input determination unit 103 of the CPU 30 determines whether or not any switch of the operation unit 41 is operated based on an output signal from the operation unit 41 (step T1). If the input determination unit 103 determines that some operation has been performed (YES in step T1), then, the type of the operated switch is determined based on the output signal from the operation unit 41 (steps T3 and T5).
- step T3 If it is determined that the switch 41E has been operated (YES in step T3), the process proceeds to step T7 described later. On the other hand, if it is not determined that the switch 41E has been operated (NO in step T3), it is determined whether or not the switch 41D has been operated (step T5). If it is determined that the switch 41D has been operated, the process proceeds to step T7.
- step T7 it is determined whether or not the type of the operation switch this time is the same as the type of the operation switch operated last time (step T7).
- the input determination unit 103 stores data of the type of operation switch determined based on the output signal from the operation unit 41. Each time the operation is performed, the switch type determined this time is compared with the stored switch type, and based on the comparison result, it is determined whether or not the same type of switch as the previous operation is operated (step T7). ). If it is determined that the same type of switch has been operated (YES in step T7), the display processing unit 104 records R1 indicated by the current values of the pointers P1, P2 and P3 in the areas E2a, E3a and E4a of the memory 39, respectively.
- step T9 the values of pointers P1, P2 and P3 are updated so as to indicate the next stored record. Then, the respective records indicated by the updated pointers P1, P2 and P3 are read out, generated as image data based on the data of the read out records, and the generated image data is given to the display unit 40 (step T13). The display unit 40 displays a screen according to the given image data. Thereafter, the process proceeds to step T1.
- step T7 the values of the pointers P1, P2 and P3 are the records R2 stored at the heads of the corresponding areas E2a, E3a and E4a. , R3 and R4 are updated (step T11). Thereafter, the process proceeds to step T13.
- step T13 the data of each record indicated by the current pointer is read, image data is generated based on the read data, and the generated image data is given to the display unit 40.
- the display unit 40 displays a screen according to the given image data.
- the processing unit 113 of the display processing unit 104 operates to call and display the data of the record R1 indicated by the pointer P1 in the area E2a. Therefore, each time the switch 41E is operated, the blood pressure data record R1 can be read from the region E2a in the time series order of the measurement time and displayed.
- An example of the display screen in this case is shown in FIG.
- FIG. 12 shows a display screen when the record R2 is called and displayed. Based on the value indicated by the data WN of the record R2, the character data 214A of 'last week' is displayed in FIG. The displayed record R2 displays date mark data 214B and 214C indicating that it is average data in the morning measurement time zone. Other display items are the same as those shown in FIGS.
- FIG. 13 shows a display screen when the record R3 is called and displayed. Based on the value indicated by the data WN of the record R3, the character data 214A of 'this week' is displayed in FIG. The displayed record R3 displays month mark data 214B and 214C indicating that it is the average data of the night measurement time zone. Other display items are the same as those shown in FIGS.
- the blood pressure measurement results of the maximum blood pressure value and the minimum blood pressure value are digitally displayed by the data 200A and 200B on the same screen, and the blood pressure is divided into 10 mmHg using the mark 203. Since the bar graph 215 having the data 200A and 200B as the upper and lower limit values is displayed on the level bar 202, the user can intuitively understand the level of the blood pressure value that is difficult to understand on the digital display. .
- the reference value 204 is displayed numerically in the vicinity of the scale corresponding to the reference value 204 of the hypertension category in the scale of the blood pressure level bar 202, it can be easily confirmed whether or not the measured blood pressure corresponds to hypertension. it can.
- the bar of the bar graph 215 is displayed so as to expand (increase) and contract (decrease) step by step in conjunction with changes in the blood pressure data 200 detected during the pressurization process of blood pressure measurement.
- the measurement subject can intuitively grasp the progress of pressurization.
- the past blood pressure measurement results stored in the memory 39 are simultaneously displayed as digital numerical values and a bar graph 215 on the same screen as shown in FIGS. Furthermore, it is possible to switch the screen to display continuous past history data according to the operation of the switch. Even though the display area is smaller than this, it is possible to discriminate the transition state of the blood pressure value on a daily or weekly basis at a glance with the digital numerical value and the bar graph 215.
- the blood pressure measurement device is not limited to the automatic winding type in which the main body and the cuff shown in FIG. 1 are integrally configured.
- a blood pressure measurement device in which a cuff 20 and a sphygmomanometer body 10 ⁇ / b> B that are manually wound around a measurement site are configured separately via an air tube 24 may be used.
- An operation unit 41 and a display unit 40 are provided on the front surface 10A of the housing of the sphygmomanometer main body 10B.
- the present invention is effective in a blood pressure measurement device that displays data related to blood pressure measurement in a bar graph.
- 40 display unit, 41 operation unit, 101 pressure adjustment unit, 102 blood pressure calculation unit, 103 input determination unit, 104 display processing unit, 111 processing unit during measurement, 112 current measurement processing unit, 113 every time processing unit, 114 every week processing unit 202 blood pressure level bar 203 mark 204 reference value.
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Abstract
Description
好ましくは、最高血圧と最低血圧は、所定期間内に測定された血圧のデータの最高血圧と最低血圧それぞれの平均を指す。
好ましくは、所定血圧区分を示す基準値が、バー上の当該基準値に対応する血圧値を指示する位置に、関連付けて表示される。
好ましくは、カフの圧力の調整過程において、調整に従い変動する血圧を、同一画面において、バーにより表示し、同時に、数値により表示する。
好ましくは、バーは矩形状を有する。
本発明に係る血圧測定装置として、図1~図4の構成を有する自動巻き型電子血圧計1を例示する。
子血圧計1は、圧迫固定用空気袋51にチューブ55を介して空気を供給または排出するための圧迫固定用エアー系54、圧迫固定用エアー系54に関連して設けられる増幅器45、ポンプ駆動回路46、弁駆動回路47およびA/D変換器48を備える。さらに自動巻き型電子血圧計1は、各部を集中的に制御および監視するためのCPU(Central Processing Unit)30、測定された血圧値などの各種情報を記憶するためのメモリ39、血圧測定結果を含む各種情報を表示するための表示部40、測定のための各種指示を入力するために操作される操作部41、現在時刻を計時するタイマ49および後述のセンサ107を内蔵するヒンジ部106を備える。
図5を参照し、本実施の形態に係る自動巻き型電子血圧計1の機能構成について説明する。自動巻き型電子血圧計1は、圧力調整部101、平均算出部1021を含む血圧算出部102、入力判別部103、表示処理部104および傾き検出部105を有する。圧力調整部101は、ポンプ駆動回路36および46、ならびに弁駆動回路37および47を制御することにより、血圧測定用空気袋50および圧迫固定用空気袋51の内圧を調整する。
図6には、メモリ39の記憶内容の一例が示される。メモリ39は、領域E1、E2、E3およびE4を含む。領域E1は、血圧測定が実施された場合に、測定結果がレコードR0の形式で一時的に格納される領域である。領域E2、E3およびE4のそれぞれには、ユーザAとBのそれぞれについて血圧測定結果を格納するための領域が設けられる。
血圧算出部102は、A/D変換器38から入力する脈波信号に基づき、周知の方法、たとえばオシロメトリック法に従い血圧(最高血圧(収縮期血圧)および最低血圧(拡張期血圧))を算出する。また、周知方法により脈拍を算出する。
図7のフローチャートに従い本実施の形態に係る血圧測定処理を説明する。以下に示す血圧測定処理は一例であり、血圧測定の手法については、特に限定されるものではない。
本実施の形態では、操作部41の操作による指示に応答して、メモリ39に格納された血圧測定データが読出されて、読出されたデータが表示部40に表示される。これを、以下、呼出し処理という。本実施の形態では、呼出し表示処理の実行を指示するためにスイッチ41Dまたは41Eが操作される。
上述した表示部40における画面表示によれば、同一画面において、最高血圧値と最低血圧値の血圧測定結果をデータ200Aと200Bによりデジタル表示し、且つマーク203を用いた10mmHgに目盛り区分された血圧レベルバー202において、データ200Aと200Bを上下限値として有する棒グラフ215を表示するようにしたので、ユーザは、デジタル表示ではわかりにくかった血圧値のレベルを棒グラフ215で直感的に理解することができる。
本実施の形態に係る血圧測定装置は、図1に示す本体とカフが一体的に構成された自動巻付け型に限定されない。たとえば、図14に示すように、測定部位に手動で巻付けられるカフ20と血圧計本体10Bが、エアチューブ24を介して別体として構成された血圧測定装置であってもよい。血圧計本体10Bの筐体の前面10Aに操作部41と表示部40が設けられる。
Claims (8)
- 生体の測定部位に装着されるカフ(50)と、
血圧測定のために前記カフの圧力を調整しながら血圧を算出する制御部(101、102)と、
前記制御部により算出された血圧のデータを記憶する記憶部(39)と、
表示部(40)と、
前記表示部を用いた表示に関する指示を入力するために操作される表示操作部(41)と、を備え、
前記表示操作部を介して入力される前記指示に基づき、前記記憶部から読出された血圧データが指す血圧を、前記表示部の同一画面において、所定単位の複数のセグメントにより区分されたバーにより表示し、同時に、数値により表示する、血圧測定装置。 - 前記表示操作部を介して所定指示が入力される毎に、前記記憶部から血圧データを読出し、読出された血圧データが指す血圧を、前記バーにより表示し、同時に、前記数値により表示する表示処理部(104)を、さらに備え、
前記所定指示が入力される毎に、前記記憶部から読出されるべき前記血圧データは、測定時間の時系列順に従い読出される、請求の範囲第1項に記載の血圧測定装置。 - [規則91に基づく訂正 06.10.2010]
前記記憶部から読出した血圧データは、最高血圧と最低血圧とを指示する、請求の範囲第1項に記載の血圧測定装置。 - 前記最高血圧は、所定期間内に測定された前記血圧のデータの最高血圧の平均を指し、
前記最低血圧は、前記所定期間内に測定された前記血圧のデータの最低血圧の平均を指す、請求の範囲第3項に記載の血圧測定装置。 - 前記最高血圧は、1日の所定時間帯に測定された1週間分の前記血圧のデータの最高血圧の平均を指し、
前記最低血圧は、前記所定時間帯に測定された1週間分の前記血圧のデータの最低血圧の平均を指す、請求の範囲第3項に記載の血圧測定装置。 - 所定血圧区分を示す基準値が、前記バー上の当該基準値に対応する血圧値を指示する位置に、関連付けて表示される、請求の範囲第1項に記載の血圧測定装置。
- 前記所定血圧区分は、早朝高血圧の区分を指す、請求の範囲第6項に記載の血圧測定装置。
- 前記カフの圧力の調整過程において、前記調整に従い変動する前記血圧を、前記表示部の同一画面において、前記バーにより表示し、同時に、前記数値により表示する、請求の範囲第1項に記載の血圧測定装置。
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CN200980145906XA CN102215744A (zh) | 2008-11-17 | 2009-10-30 | 显示得以改善的血压测定装置 |
BRPI0921169A BRPI0921169A2 (pt) | 2008-11-17 | 2009-10-30 | dispositivo de medição de pressão sanguínea com mostrador aperfeiçoado |
DE112009003603T DE112009003603T5 (de) | 2008-11-17 | 2009-10-30 | Blutdruckmesseinrichtung mit verbesserter Anzeige |
MX2011005213A MX2011005213A (es) | 2008-11-17 | 2009-10-30 | Dispositivo de medicion de presion sanguinea con pantalla mejorada. |
RU2011124533/14A RU2011124533A (ru) | 2008-11-17 | 2009-10-30 | Устройство измерения кровяного давления с улучшенным отображением |
US13/109,663 US20110218446A1 (en) | 2008-11-17 | 2011-05-17 | Blood pressure measuring device with improved display |
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US13/109,663 Continuation US20110218446A1 (en) | 2008-11-17 | 2011-05-17 | Blood pressure measuring device with improved display |
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CN102973256A (zh) * | 2012-12-19 | 2013-03-20 | 天津九安医疗电子股份有限公司 | 血压计系统及其血压测量方法 |
US20140235963A1 (en) * | 2013-02-15 | 2014-08-21 | Welch Allyn, Inc. | Remote Health Care System |
JP6125401B2 (ja) * | 2013-10-23 | 2017-05-10 | ミサワホーム株式会社 | 健康管理システムおよび建物 |
CN107072560B (zh) * | 2014-10-20 | 2021-02-26 | 浜松光子学株式会社 | 血压测定装置和存储血压测定程序的计算机可读取的存储介质 |
JP6781871B2 (ja) * | 2016-03-09 | 2020-11-11 | 公立大学法人奈良県立医科大学 | 血圧測定装置及び血圧測定方法 |
JP6734773B2 (ja) * | 2016-12-28 | 2020-08-05 | オムロン株式会社 | 血圧関連情報表示装置、血圧関連情報表示方法およびプログラム |
JP6914743B2 (ja) * | 2017-06-19 | 2021-08-04 | オムロンヘルスケア株式会社 | 健康管理装置、健康管理方法、及び健康管理プログラム |
AU2018449639A1 (en) * | 2018-11-15 | 2021-04-29 | Baxter Healthcare Sa | Vascular monitoring system |
USD916930S1 (en) | 2020-02-13 | 2021-04-20 | Omron Healthcare Co., Ltd. | Display screen with icon |
USD916921S1 (en) * | 2020-02-13 | 2021-04-20 | Omron Healthcare Co., Ltd. | Display screen with icon |
JPWO2023073827A1 (ja) * | 2021-10-27 | 2023-05-04 | ||
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JPS61193643A (ja) * | 1985-02-25 | 1986-08-28 | オムロン株式会社 | 血圧デ−タ処理装置 |
JPH0616753B2 (ja) * | 1986-01-23 | 1994-03-09 | テルモ株式会社 | 電子血圧計 |
US5649536A (en) * | 1994-02-25 | 1997-07-22 | Colin Corporation | Blood pressure measuring apparatus |
JP3603036B2 (ja) * | 2001-03-16 | 2004-12-15 | コーリンメディカルテクノロジー株式会社 | 自動血圧測定装置 |
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JP3980589B2 (ja) | 2004-11-02 | 2007-09-26 | 有限会社Gmパートナーズ | 非水銀式アナログ血圧計 |
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JP2007117373A (ja) * | 2005-10-27 | 2007-05-17 | A & D Co Ltd | 電子血圧計 |
JP2007125079A (ja) * | 2005-11-01 | 2007-05-24 | Omron Healthcare Co Ltd | 電子血圧計 |
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MX2011005213A (es) | 2011-06-01 |
TW201023822A (en) | 2010-07-01 |
RU2011124533A (ru) | 2012-12-27 |
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US20110218446A1 (en) | 2011-09-08 |
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