Blood pressure monitor and blood pressure measurement method

Abstract

Provided are a sphygmomanometer and a blood pressure measurement method capable of performing appropriate blood pressure measurement when there is a temporary awakening at night. 【Solution means】The sphygmomanometer (10A to 10H) includes a blood pressure measurement means for measuring blood pressure using a cuff (14) attached to the subject, a movement detection means (24) for detecting the movement of the subject, a wake-up determination means (33) for determining the wake-up behavior and wake-up time of the subject based on the detection result of the movement detection means, a normal mode for measuring blood pressure by the operation of the subject, a sleep mode for automatically measuring the blood pressure of the subject, and a mode switching means (36) for switching to a wake-up mode for measuring the blood pressure at the time of waking up of the subject, and a time zone setting means (37) for setting a reception time zone for receiving the switching to the wake-up mode. When the wake-up determination means determines wake-up during the sleep mode and the wake-up time is within the reception time zone, the mode switching means switches from the sleep mode to the wake-up mode.

Description

Technical Field

[0001] The present invention relates to a sphygmomanometer for measuring the blood pressure of a subject and a blood pressure measurement method.

Background Art

[0002] In recent years, a sphygmomanometer has been proposed that automatically measures blood pressure during sleep according to a set schedule. For example, the sphygmomanometer of Patent Document 1 can be switched to a sleep mode in which blood pressure is automatically measured during sleep by an operation switch provided on the main body. In addition, an interruption switch for interrupting this sleep mode is also provided, and by operating such an interruption switch, the sleep mode can be temporarily interrupted.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] During sleep, for example, when getting up to go to the toilet or the like, the subject may temporarily get up. In such a case of "temporary waking up", in the above sphygmomanometer, if the subject does not operate the interruption switch to stop the sleep mode (automatic measurement), the blood pressure during temporary waking up may be erroneously measured as the blood pressure during sleep. In addition, even if the subject operates the interruption switch, if the subject forgets to cancel the interruption and falls asleep again, automatic measurement is not performed and the blood pressure during sleep is not measured. However, it is difficult to require the subject during temporary waking up to perform a switching operation of the measurement mode, and improvement has been demanded in the handling of temporary waking up at night.

[0005] The present invention has been made in view of such circumstances, and an object thereof is to provide a sphygmomanometer and a blood pressure measurement method capable of performing appropriate blood pressure measurement without the subject's operation when there is a temporary waking up at night.

Means for Solving the Problems

[0006] In order to solve the above problems, a sphygmomanometer according to a first aspect of the present invention includes a blood pressure measurement means for measuring the blood pressure of a subject by sending air to a cuff attached to the subject and detecting the pressure, a movement detection means for detecting the movement of the subject, a wake-up determination means for determining the wake-up behavior and the wake-up time of the subject based on the detection result of the movement detection means, a normal mode for measuring blood pressure by the operation of the subject, a sleep mode for automatically measuring the blood pressure of the subject, and a mode switching means for switching between a wake-up mode for measuring the blood pressure at the time of waking up of the subject, and a time zone setting means for setting an acceptance time zone for accepting the switching to the wake-up mode, wherein the mode switching means switches from the sleep mode to the wake-up mode when the wake-up determination means determines wake-up during the sleep mode and the wake-up time is within the acceptance time zone.

[0007] A sphygmomanometer according to a second aspect is preferably such that, in the sphygmomanometer according to the first aspect, when the wake-up time is before the acceptance time zone, the mode switching means temporarily interrupts the sleep mode.

[0008] A sphygmomanometer according to a third aspect is preferably such that, in the sphygmomanometer according to the second aspect, when the sleep mode is temporarily interrupted, the mode switching means resumes the sleep mode after a predetermined restart time has elapsed, or causes a bed entry determination means to determine the bed entry behavior of the subject based on the detection result of the movement detection means, and resumes the sleep mode when the bed entry determination means determines the bed entry behavior.

[0009] In the blood pressure monitor according to the fourth aspect, in the blood pressure monitor according to the third aspect, it is also preferable that the mode switching means controls to automatically measure the blood pressure during a temporary waking up until the sleep mode is resumed when the sleep mode is temporarily interrupted.

[0010] In the blood pressure monitor according to the fifth aspect, in the blood pressure monitor according to any one of the first to fourth aspects, it is also preferable that the blood pressure measuring means automatically measures the blood pressure after the waking up behavior after a predetermined waiting time has elapsed since the waking up time when the mode switching means switches to the waking up mode.

[0011] In the blood pressure monitor according to the sixth aspect, in the blood pressure monitor according to any one of the first to fifth aspects, it is also preferable that the mode switching means switches the sleep mode to the normal mode when the waking up time determined by the waking up determination means has passed the reception time zone.

[0012] Also, in order to solve the above problems, a blood pressure measurement method according to a seventh aspect of the present invention includes a blood pressure measurement means for measuring the blood pressure of a subject by sending air to a cuff attached to the subject and detecting the pressure, a movement detection means for detecting the movement of the subject, and a normal mode for measuring the blood pressure by the operation of the subject, a sleep mode for automatically measuring the blood pressure of the subject, and a mode switching means for switching between a waking up mode for measuring the waking up blood pressure of the subject, and includes a step of determining the waking up behavior and the waking up time of the subject based on the detection result of the movement detection means, and a step of switching from the sleep mode to the waking up mode when the waking up determination means determines waking up during the sleep mode and the waking up time is within the reception time zone.

Advantages of the Invention

[0013] According to the present invention, it is possible to provide a blood pressure monitor and a blood pressure measurement method capable of performing appropriate blood pressure measurement without the subject's operation when there is a temporary waking up at night.

Brief Description of the Drawings

[0014]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Embodiments for Carrying Out the Invention

[0015] Next, preferred embodiments of the present invention will be described with reference to the drawings. Since the components of the first embodiment are the same as those of the second to eighth embodiments, the description will be omitted using the same reference numerals. Also, for the flowcharts similar to the blood pressure measurement method of the first embodiment, the description will be omitted using the same step numbers as in the first embodiment.

[0016] (First Embodiment) FIG. 1 is a perspective view of a sphygmomanometer 10A according to a first embodiment of the present invention, and FIG. 2 is a block diagram of the sphygmomanometer 10A. The sphygmomanometer 10A is composed of a main body 12 and a cuff 14. As shown in FIG. 1, the cuff 14 is formed in a belt shape and can be detachably wound around the upper arm or wrist of the person to be measured. The main body 12 is formed in a cylindrical shape and is fixed to the surface of the cuff 14 so that the longitudinal direction is perpendicular to the winding direction of the cuff 14. When the cuff 14 is attached to the arm of the person to be measured, the longitudinal direction is arranged to coincide with the extending direction of the arm.

[0017] As shown in FIG. 1, a display unit 27 and operation buttons 28 are provided on the outer surface of the main body 12. As shown in FIG. 2, a collapsible air bag 18 is provided inside the cuff 14. Inside the housing of the main body 12, a pump 21, an on-off valve 22, a pressure sensor 23, a motion detection unit 24, a storage unit 25, a communication unit 26, and a control unit 30 are provided.

[0018] The operation button 28 is a switch for turning the power on and off, and in the "normal mode" described later, it is also used as a button for starting / stopping blood pressure measurement and user selection. In this embodiment, the display unit 27 and the operation button 28 are provided separately, but a touch panel that combines both may also be used. In addition to the operation button 28, a plurality of operation buttons may be provided, and different operation functions may be assigned to these operation buttons.

[0019] The air bag 18 is connected to the pump 21 and the on-off valve 22, and air can be sent from the pump 21 to inflate the air bag 18, and exhausted by the on-off valve 22 to contract the air bag 18. The air bag 18 is connected to the pressure sensor 23 inside the main body 12, and the pressure inside the air bag 18 is measured by the pressure sensor 23.

[0020] The motion detection unit 24 is a three-axis acceleration sensor that detects the motion of the main body 12. Since the main body 12 is arranged to be parallel to the arm when the cuff 14 is worn on the arm, one of the x-axis, y-axis, or z-axis, for example, the x-axis, is set to coincide with the direction parallel to the arm (see Fig. 1). By detecting the motion of the main body 12 with the motion detection unit 24, the motion of the arm (the amount of movement in the three-axis directions) can be detected. In this embodiment, the motion detection unit 24 is provided inside the main body 12, but the motion detection unit 24 may be provided on the cuff 14.

[0021] The control unit 30 is embodied as a microcomputer in which a CPU (Central Processing Unit) that performs arithmetic processing, a ROM (Read Only Memory) and a RAM (Random Access Memory) as auxiliary storage units are implemented in an integrated circuit. The control unit 30 includes an air supply and exhaust control unit 31, a blood pressure calculation unit 32, a getting-up determination unit 33, a going-to-bed determination unit 34, a standby time setting unit 35, a mode switching unit 36, and a time zone setting unit 37. These functional units 31 to 37 are constituted by logic circuits or dedicated circuits formed in an integrated circuit or the like. These circuits may be realized by one or a plurality of integrated circuits, and a plurality of processes may be realized by one integrated circuit.

[0022] The sphygmomanometer 10A is oscillometric. It inflates the airbag 18 of the cuff 14 to compress the blood vessel, and while deflating the airbag 18 to release the compression of the blood vessel, it measures the pressure of the airbag 18 with the pressure sensor 23 and calculates the blood pressure value from the measured value. The air supply and exhaust control unit 31 controls the pump 21, the on-off valve 22, and the pressure sensor 23. The blood pressure calculation unit 32 calculates the blood pressure value from the measured value of the pressure sensor 23, stores it in the storage unit 25, and displays the blood pressure value on the display unit 27.

[0023] Here, the blood pressure monitor 10A is provided with a "normal mode", a "sleep mode", and a "waking up mode". The "normal mode" is for blood pressure measurement during the active time period after waking up, and measures blood pressure when the subject operates the operation button 28. The "sleep mode" is for blood pressure measurement during the night bedtime period. After the bed occupancy determination unit 34 described later determines bed occupancy, it automatically measures the blood pressure during sleep according to the set schedule (after the standby time after bed occupancy has elapsed). The "waking up mode" automatically measures the blood pressure after waking up behavior (blood pressure at waking up) according to the set schedule (after the standby time after waking up has elapsed) after the waking up determination unit 33 described later determines waking up.

[0024] The mode switching unit 36 switches between the above normal mode, sleep mode, and waking up mode, and controls the switching of the measurement mode according to the blood pressure measurement method described later.

[0025] The waking up determination unit 33 monitors the movement of the subject (the detection value of the movement detection unit 24) during the "sleep mode", for example, in two items: the posture of the arm and the amount of arm activity. Based on the preset waking up threshold values for the two items, it detects that the arm movement has increased. When the state where the arm movement has increased continues for a predetermined time or reaches a predetermined number of times, it determines "waking up". The waking up determination unit 33 stores the time when it detects that the arm movement has increased as the "waking up time".

[0026] The bed occupancy determination unit 34 monitors the movement of the subject (the detection value of the movement detection unit 24) during the "normal mode", for example, at least by the amount of arm activity. Based on the preset bed occupancy threshold value, it detects that the arm movement has decreased. When the state where the arm movement has decreased continues for a predetermined time or reaches a predetermined number of times, it determines "bed occupancy". The bed occupancy determination unit 34 stores the time when it detects that the arm movement has decreased as the "bed occupancy time".

[0027] The standby time setting unit 35 is connected to the communication unit 26 and stores in the storage unit 25 the wake-up standby time and the bedtime standby time that are set via the communication unit 26. When measuring the wake-up blood pressure in the wake-up mode, the standby time setting unit 35 controls the blood pressure measuring means to start the measurement after the elapse of the wake-up standby time. The "wake-up standby time" is the time from the wake-up determination to the automatic blood pressure measurement. For example, 30 minutes, 1 hour, 1 hour 30 minutes, etc. are set as defaults, and the user can select and set from them. The "bedtime standby time" is the time from the bedtime determination to the automatic blood pressure measurement. Similarly, 30 minutes, 1 hour, 1 hour 30 minutes, etc. are set as defaults, and the user can select and set from them. Multiple standby times, such as measuring three times at 30-minute intervals after going to bed, may be set for the wake-up standby time and the bedtime standby time.

[0028] The time zone setting unit 37 is connected to the communication unit 26 and stores in the storage unit 25 the "reception time zone" (described later) that accepts the switching to the wake-up mode, which is set via the communication unit 26. When the mode switching unit 36 inquires about the reception time zone, the time zone setting unit 37 returns the stored reception time zone to the mode switching unit 36.

[0029] The storage unit 25 is realized by a small storage medium such as a solid state drive (SSD) or a flash memory, for example. The storage unit 25 stores information related to the wake-up standby time and the bedtime standby time, information related to the reception time zone, information related to the measured blood pressure values, etc. in association with each other. Also, when there are multiple subjects to be measured, the storage unit 25 stores the identification of the subject ID.

[0030] The communication unit 26 has a function of communicating with an external communication device 50 such as a smartphone or a tablet terminal, and is disposed inside the mark 29 in FIG. 1. Examples of the communication function include FeliCa (registered trademark) and BLUETOOTH (registered trademark). A dedicated application for blood pressure measurement is installed in the external communication device 50 in advance, and data such as blood pressure values stored in the storage unit 25 is also transmitted to the external communication device 50 via the communication unit 26. When the external communication device 50 inputs the post-awakening standby time and the post-bedtime standby time, the data is input to the standby time setting unit 35 via the communication unit 26 and processed. When the external communication device 50 inputs the "reception time zone", the data is input to the time zone setting unit 37 via the communication unit 26 and processed. Note that these inputs may be made from the operation button 28 of the sphygmomanometer 10A.

[0031] The cuff 14, the pump 21, the on-off valve 22, the pressure sensor 23, and the blood pressure calculation unit 32 are the "blood pressure measurement means" referred to in the claims, and the movement detection unit 24 which is a three-axis acceleration sensor is the "movement detection means" referred to in the claims. The wake-up determination unit 33, the bedtime determination unit 34, the mode switching unit 36, and the time zone setting unit 37 each constituted by the control unit 30 are the "wake-up determination means", "bedtime determination means", "mode switching means", and "time zone setting means" referred to in the claims, respectively.

[0032] A method for measuring blood pressure using the sphygmomanometer 10A having the above configuration will be described.

[0033] FIG. 3 shows a blood pressure measurement method in the sphygmomanometer 10A and is a switching flow of the measurement mode. The description will be made starting from the state where the sphygmomanometer 10A is in the "normal mode".

[0034] When the program is started, in step S1, the sphygmomanometer 10A is in the "normal mode". In the normal mode, when the subject starts the measurement by operating the operation switch 28, the blood pressure is measured by the blood pressure measurement means, and the blood pressure value is stored in the storage unit 25 together with the measurement date and time as the blood pressure during activity.

[0035] Next, in step S2, the time zone setting unit 37 prompts the subject in activity to set an "acceptance time zone" that permits switching to the wake-up mode. The subject inputs the scheduled wake-up time from the external communication device 50 or the main body 12. The time zone setting unit 37 stores, in the storage unit 25, a predetermined time before and after the scheduled wake-up time as the "acceptance time zone". The predetermined time before and after is, for example, set to 1 hour by default, but it can be changed to 30 minutes, 1 hour 30 minutes, etc. For example, if the subject inputs the scheduled wake-up time as "7:00" and the predetermined time before and after as "30 minutes", the time zone setting unit 37 sets the period from 6:30 to 7:30 as the acceptance time zone for the wake-up mode.

[0036] In parallel with steps S1 to S2, during the normal mode, the bed occupancy determination unit 34 monitors the movement of the subject. In step S3, the bed occupancy determination unit 34 determines "bed occupancy" from the detection value of the movement detection unit 24. If it is determined that the subject is in bed (YES), the process proceeds to step S4, and the mode switching unit 36 switches from the "normal mode" to the "sleep mode". If there is no determination of bed occupancy (NO), the process returns to step S3, and the bed occupancy determination unit 34 continues to monitor the movement of the subject.

[0037] When the process proceeds to step S4, the blood pressure monitor 10A is in the "sleep mode". In the sleep mode, the blood pressure is automatically measured according to the set schedule (standby time after going to bed), and the blood pressure value is stored in the storage unit 25 together with the measurement date and time as the blood pressure during sleep.

[0038] In parallel with this, during the sleep mode, the wake-up determination unit 33 monitors the movement of the subject. In step S5, the wake-up determination unit 33 determines "wake-up" from the detection value of the movement detection unit 24. If it is determined that the subject has woken up (YES), the process proceeds to step S6, and the wake-up determination unit 33 determines the "wake-up time" and notifies the mode switching unit 36. If it is not determined that the subject has woken up (NO), the process returns to step S5, and the wake-up determination unit 33 continues to monitor the movement of the subject.

[0039] When shifting to step S7, the mode switching unit 36 reads out the "reception time zone" from the storage unit 25 and determines whether the wake-up time notified in step S6 is within the reception time zone. If the wake-up time is within the reception time zone (YES), it shifts to step S8, and the mode switching unit 36 switches from the "sleep mode" to the "wake-up mode". If the wake-up time is before the reception time zone (NO), it shifts to step S11.

[0040] When shifting from step S7 to step S8, the blood pressure monitor 10A enters the "wake-up mode". In step S9, when the waiting time after waking up has elapsed, the blood pressure is automatically measured and stored in the storage unit 25 together with the blood pressure value, the measurement date and time, etc. as the "wake-up blood pressure". When the automatic measurement of the wake-up blood pressure is completed, it shifts to step S10, and the mode switching unit 36 switches from the "wake-up mode" to the "normal mode" and ends the program. Thereafter, the blood pressure monitor 10A enters the "normal mode" again (step S1).

[0041] When shifting from step S7 to step S11, the mode switching unit 36 determines that there has been a "temporary wake-up", does not switch to the "wake-up mode", returns to step S4, and continues the "sleep mode".

[0042] As described above, according to the blood pressure monitor 10A according to this embodiment, since the movement detection unit 24 is provided, it is possible to determine the wake-up behavior and wake-up time based on the movement of the subject. In addition, the reception time zone for the "wake-up mode" is set. When the wake-up time is within the reception time zone, the switch to the "wake-up mode" is performed. If there is a wake-up behavior before the reception time zone, the wake-up behavior is treated as a "temporary wake-up", and the switch to the "wake-up mode" is not performed. Therefore, when there is a temporary wake-up at night, it is possible to prevent accidentally switching to the "wake-up mode" due to automatic detection of waking up. For this reason, it is possible to prevent accidentally acquiring the blood pressure of a temporary wake-up as the wake-up blood pressure.

[0043] (Second Embodiment) FIG. 4 shows a blood pressure measurement method (measurement mode switching flow) in the sphygmomanometer 10B according to the second embodiment of the present invention. In the second embodiment, when it is determined in steps S1 to S7 that the wake-up time is before the reception time zone and it proceeds to step S11 and is determined as "temporary wake-up", it shifts to step S12, and the mode switching unit 36 interrupts the "sleep mode". Then, it is shifted to the "normal mode" (step S10).

[0044] According to the sphygmomanometer 10B according to this embodiment, when there is a "temporary wake-up", the "sleep mode" is interrupted without the operation of the subject. In addition, since it is possible to prevent automatic measurement in the "sleep mode" during temporary wake-up, it is possible to prevent erroneously acquiring the blood pressure during temporary wake-up as the blood pressure during sleep.

[0045] (Third Embodiment) FIG. 5 shows a blood pressure measurement method (measurement mode switching flow) in the sphygmomanometer 10C according to the third embodiment of the present invention. In the third embodiment, it proceeds from steps S1 to S7 to step S11, and when it is determined as "temporary wake-up" and the "sleep mode" is interrupted in step S12, it shifts to step S13 to determine whether the restart condition (elapsed time) is satisfied.

[0046] In step S13, the mode switching unit 36 reads the "restart time" from the storage unit 25 and determines whether the restart time has elapsed based on the time measurement from the "wake-up time" in step S6. The restart time is stored in the storage unit 25 in advance and is, for example, 30 minutes or 1 hour. When the restart time has elapsed, the mode switching unit 36 assumes that the restart condition is satisfied, returns the flow to step S4, does not switch to the "wake-up mode", and continues the "sleep mode".

[0047] According to the sphygmomanometer 10C according to this embodiment, after temporarily interrupting the "sleep mode" as a "temporary wake-up", the "sleep mode" can be automatically restarted without the operation of the subject.

[0048] (Fourth Embodiment) FIG. 6 shows a blood pressure measurement method (measurement mode switching flow) in the sphygmomanometer 10D according to the fourth embodiment of the present invention. In the fourth embodiment, posture determination is added to the restart condition in the third embodiment. The motion detection unit 24 detects the motion of the arm in three axes of the x, y, and z axes. Among them, for example, if the x-axis is set parallel to the extending direction of the arm, when the subject raises the upper body, the x-axis points in the direction of gravity and the average value of the x-axis increases. The bed-on determination unit 34 determines that the subject is in the bed-on posture when the average value of the x-axis falls below the posture threshold (less than the threshold), and measures the time during which the bed-on posture continues. Note that the posture threshold is obtained by performing statistical analysis based on the results of clinical trials.

[0049] In the fourth embodiment, the process proceeds from steps S1 to S7 to steps S11 and S12, and the "sleep mode" is temporarily interrupted by "temporary getting up". After it is determined in step S13 whether the restart condition is satisfied (the restart time has elapsed), if the determination is satisfied (YES), the process proceeds to step S14, and the mode switching unit 36 checks the posture determination and time measurement of the bed-on determination unit 34. If the bed-on posture continues for a certain period of time (YES), the mode switching unit 36 assumes that the restart condition is satisfied, returns the flow to step S4, and does not switch to the "getting up mode", but continues the "sleep mode".

[0050] According to the sphygmomanometer 10D according to this embodiment, since posture determination is added to the restart condition of the third embodiment, the "sleep mode" can be restarted according to the actual behavior of the subject.

[0051] Note that in the above, the restart condition (time elapsed) determination in step S13 and the posture determination in step S14 each perform time measurement. However, these can be combined, and in step S14, it may be determined that the restart condition is satisfied when the bed-on posture continues for the restart time in step S13.

[0052] (Fifth Embodiment) FIG. 7 shows a blood pressure measurement method (measurement mode switching flow) in the sphygmomanometer 10E according to the fifth embodiment of the present invention. In the fifth embodiment, proceeding from steps S1 to S7 to steps S11 and S12, when the "sleep mode" is temporarily interrupted due to "temporary waking up", the process proceeds to step S15, and a bed occupancy determination is performed again.

[0053] In step S15, the mode switching unit 36 causes the bed occupancy determination unit 34 to determine bed occupancy again. When the bed occupancy determination unit 34 determines that the subject is in bed, the mode switching unit 36 assumes that the restart condition is satisfied, returns the flow to step S4, does not switch to the "waking up mode", and continues the "sleep mode".

[0054] According to the sphygmomanometer 10E according to this embodiment, since the bed occupancy determination is set as the restart condition, the "sleep mode" can be automatically restarted without any operation by the subject to be measured, and the "sleep mode" can be restarted according to the actual behavior of the subject to be measured.

[0055] (Sixth Embodiment) FIG. 8 shows a blood pressure measurement method (measurement mode switching flow) in the sphygmomanometer 10F according to the sixth embodiment of the present invention. In the sixth embodiment, when the "sleep mode" is restarted by the bed occupancy determination in the fifth embodiment, the measurement schedule of the sleep mode is adjusted.

[0056] In the sixth embodiment, proceeding from steps S1 to S7 to steps S11 and S12, when the "sleep mode" is temporarily interrupted due to "temporary waking up", after determining (bed occupancy determination) whether the restart condition is satisfied in step S15, if the determination is satisfied, the process proceeds to step S16.

[0057] In step S16, the mode switching unit 36 causes the standby time setting unit 35 to adjust the schedule of the post - bedding standby time. For example, if the post - bedding standby time was set to occur three times every two hours, and the user goes to bed (bed - on determination) at 0:00, the automatic measurements will be performed at the first time: 2:00, the second time: 4:00, and the third time: 6:00. Here, if there is a "temporary wake - up" at 3:50 and the "sleep mode" is interrupted temporarily, and the bed - on determination is made again at 4:30, the automatic measurement at 4:00 for the second time will not be performed. In this case, the blood pressure monitor 10F causes the standby time setting unit 35 to adjust the schedule of the post - bedding standby time so that the remaining two measurements are performed every two hours from the time of the second bedding (4:30). In the above example, the standby time setting unit 35 controls the blood pressure measuring means to perform the second automatic measurement at 6:30, two hours after the bedding time of 4:30, and the third automatic measurement at 8:30.

[0058] According to the blood pressure monitor 10F according to this embodiment, when there is a temporary wake - up, the schedule is adjusted in accordance with the resumption of sleep and the automatic measurement is performed, so that the blood pressure can be obtained at the same time interval (time elapsed) from the time of falling asleep.

[0059] (The seventh embodiment) FIG. 9 shows a blood pressure measurement method (measurement mode switching flow) in the blood pressure monitor 10G according to the seventh embodiment of the present invention. In the seventh embodiment, proceeding from steps S1 - S7 to steps S11, S12, when the "sleep mode" is temporarily interrupted due to a "temporary wake - up", the process proceeds to step S17, and the blood pressure during the temporary wake - up is automatically measured.

[0060] In step S17, the mode switching unit 36 instructs the standby time setting unit 35 to start the automatic measurement after the elapsed time of the post - wake - up standby time. The standby time setting unit 35 controls the blood pressure measuring means to measure the blood pressure after the elapsed time of the post - wake - up standby time, and stores the measured blood pressure as the "blood pressure at the time of temporary wake - up" together with the measurement date and time in the storage unit 25. Then, the mode switching unit 36 returns the flow to step S4.

[0061] According to the sphygmomanometer 10G according to this embodiment, when there is a temporary wake-up, the blood pressure during the temporary wake-up can be acquired. Since this blood pressure is tagged and managed as "blood pressure at the time of temporary wake-up", it can be used to grasp the health condition.

[0062] In addition, in the above, the blood pressure at the time of temporary wake-up is measured after the same time has elapsed as the waiting time after waking up. However, it is also preferable to measure with a shorter waiting time, such as after half of the waiting time after waking up.

[0063] (Eighth Embodiment) FIG. 10 is a blood pressure measurement method (measurement mode switching flow) in the sphygmomanometer 10H according to the eighth embodiment of the present invention. The eighth embodiment is a process when the wake-up time has passed the reception time zone (overslept). In the eighth embodiment, in step S7, the mode switching unit 36 determines whether the wake-up time is within the reception time zone. If it is within the reception time zone (YES), it proceeds to the "wake-up mode" in step S8. If it is not within the reception time zone (NO), it proceeds to step S18, and the mode switching unit 36 determines whether the wake-up time has passed the reception time zone. If the wake-up time has not passed the reception time zone (NO), since it is a "temporary wake-up", it proceeds to step S11. If the wake-up time has passed the reception time zone (YES), the mode switching unit 36 skips the "wake-up mode" and proceeds to the "normal mode", and prompts the subject to measure the blood pressure by operating himself / herself.

[0064] According to the sphygmomanometer 10H according to this embodiment, when the wake-up time has passed the reception time zone (overslept), by shifting to the "normal mode", the problem of continuously detecting the wake-up behavior while remaining in the "sleep mode" can be solved.

[0065] The sphygmomanometers 10A to 10H of the first to eighth embodiments can be applied to both the type in which the cuff 14 is worn on the upper arm and the type in which the cuff 14 is worn on the wrist. However, in order to accurately detect the temporary wake-up behavior of the subject, it is preferable to target the upper arm.

[0066] Also, in the seventh embodiment, although the blood pressure at the time of temporary waking up is automatically measured, it may be configured to notify so that the person to be measured manually measures from the operation switch 28.

[0067] As described above, the preferred embodiments and modification examples of the present invention have been described, but it is possible to modify and combine these based on the knowledge of those skilled in the art, and such forms are also included in the scope of the present invention.

Explanation of Reference Numerals

[0068] 10A to 10H... Sphygmomanometer, 12... Main body, 14... Cuff, 21... Pump, 22... On-off valve, 23... Pressure sensor, 24... Movement detection unit, 25... Memory unit, 26... Communication unit, 27... Display unit, 28... Operation button, 29... Mark, 30... Control unit, 31... Exhaust control unit, 32... Blood pressure calculation unit, 33... Wake-up determination unit, 34... Bedtime determination unit, 35... Standby time setting unit, 36... Mode switching unit, 37... Time zone setting unit, 50... External communication device

Claims

1. Blood pressure measuring means for measuring the blood pressure of the subject by sending air to a cuff worn by the subject and detecting the pressure; Movement detection means for detecting the movement of the subject; Wake-up determination means for determining the wake-up behavior and wake-up time of the subject based on the detection result of the movement detection means; Mode switching means for switching between a normal mode for measuring blood pressure by the operation of the subject, a sleep mode for automatically measuring the blood pressure of the subject, and a wake-up mode for measuring the blood pressure at the time of waking up of the subject; Time zone setting means for setting a reception time zone for accepting switching to the wake-up mode, comprising: When the wake-up determination means determines wake-up during the sleep mode and the wake-up time is within the reception time zone, the mode switching means switches from the sleep mode to the wake-up mode. When the wake-up time is before the reception time zone, the sleep mode is continued or the sleep mode is temporarily interrupted. A sphygmomanometer characterized by the above.

2. When the mode switching means temporarily interrupts the sleep mode, The sleep mode is resumed after a predetermined restart time has elapsed, Or, The in-bed determination means is made to determine the in-bed behavior of the subject based on the detection result of the movement detection means. When the in-bed determination means determines the in-bed behavior, the sleep mode is resumed. The sphygmomanometer according to claim 1, characterized by the above.

3. When the mode switching means temporarily interrupts the sleep mode, the sphygmomanometer according to claim 2, characterized in that it controls to automatically measure the blood pressure during a temporary wake-up until the sleep mode is resumed.

4. When the mode switching means switches to the wake-up mode, the sphygmomanometer according to claim 1, characterized in that the blood pressure after the wake-up behavior is automatically measured after a predetermined waiting time has elapsed from the wake-up time.

5. When the wake-up time determined by the wake-up determination means has passed the reception time zone, the sphygmomanometer according to claim 1, characterized in that the mode switching means switches the sleep mode to the normal mode.

6. Blood pressure measurement means for measuring the blood pressure of the subject by supplying air to a cuff worn by the subject and detecting the pressure, movement detection means for detecting the movement of the subject, wake-up determination means for determining the wake-up behavior and wake-up time of the subject based on the detection result of the movement detection means, and a normal mode for measuring blood pressure by the operation of the subject, a sleep mode for automatically measuring the blood pressure of the subject, and a mode switching means for switching to a wake-up mode for measuring the blood pressure of the subject at the time of waking up. Determining the wake-up behavior and wake-up time of the subject based on the detection result of the movement detection means; When the wake-up determination means determines wake-up during the sleep mode and the wake-up time is within the reception time zone, switching from the sleep mode to the wake-up mode; When the wake-up determination means determines wake-up during the sleep mode and the wake-up time is before the reception time zone, continuing the sleep mode or temporarily interrupting the sleep mode; A blood pressure measurement method characterized by comprising the above.

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