JP2016122420A - Care management system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a care management system.SOLUTION: The care management system comprises a plurality of caregiver terminals and a plurality of care-receiver terminals connected to the caregiver terminals so as to be communicable. Each of the care-receiver terminals includes a biosignal measurement device for measuring a biosignal of a care-receiver, a storage unit which stores an identification symbol of a care-receiver allocated to a care-receiver terminal, and notification means which, in the case where the state of a care-receiver determined according to a predetermined reference on the basis of the biosignal measured by the biosignal measurement device is a state of requiring care, transmits to the caregiver terminal an alarm signal including the identification symbol of the care-receiver. Each of the caregiver terminals includes output means for outputting the identification symbol of the care-receiver to an output unit in response to the reception of the alarm signal from the care-receiver terminal.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a care management system.

  In hospitals, nursing homes, and the like, it is necessary to sufficiently monitor the health status of a cared body such as a patient or a resident, and the carer regularly looks at the status of the cared body. Looking around the body being cared for constantly requires great effort for the caregiver, and there is a need to reduce the caregiver's effort.

  Therefore, it has been proposed to reduce the burden on the caregiver by automatically measuring the biological information of the care receiver and transmitting it to the caregiver. Specifically, in Patent Document 1, a mat having a sensor for detecting biological information is laid on a bed, a detection signal of the sensor is converted into an electric signal, and sent to a logic determination circuit. There has been proposed an apparatus for collecting and transmitting biometric information in which biometric information is judged and output by a circuit.

  And the apparatus which collects and transmits the said biological information transmits biological information to a caregiver, when there exists abnormal biological information of a to-be-cared body. A caregiver who has received an abnormal transmission of biological information immediately goes to the caregiver to care for the caregiver.

JP 2010-284498 A

  On the other hand, in care facilities, etc., care is provided for a plurality of care recipients. When the number of care recipients increases, even if there is a transmission from the device that collects and transmits the biological information, it is difficult to recognize where the caregiver is, and the caregiver cares for the care recipient. There is a problem that a delay may occur.

  The present invention provides a care management system that allows a caregiver to easily recognize the status of a cared body when the cared body is in an abnormal state and to quickly care for the cared body by the carer.

The care management system of the present invention includes a plurality of care terminals assigned to each caregiver and a plurality of care receiver terminals assigned to each care recipient and connected to the care terminals so as to communicate with each other. Because
The above-mentioned care recipient terminal
A biological signal measuring device for measuring a biological signal of the care receiver;
A storage unit storing an identification symbol of a care receiver assigned to the care receiver terminal;
When the state of the care receiver determined according to a predetermined standard based on the biosignal measured by the biosignal measurement device is a care-needed state, the care receiver identification symbol is displayed on the care terminal. And a notification means for transmitting a warning signal including
The care terminal includes output means for outputting an identification symbol of the care receiver to an output unit upon reception of a warning signal from the care receiver terminal.

  Since the care management system of the present invention has the above-described configuration, the caregiver can easily grasp the situation of the cared body in which an abnormality has occurred, and the caregiver can be quickly cared for. Can be done.

It is a hardware block diagram which showed the care management system. It is the hardware block diagram which showed the care terminal. It is the hardware block diagram which showed the care receiver terminal. It is the flowchart which showed operation | movement of the biological memory means. It is the graph which showed an example of the biomedical signal. It is the figure which showed an example of the pulse wave table. It is the flowchart which showed the operation | movement of the state determination of the to-be-cared body in an alerting | reporting means. It is the figure which showed an example of the unit time pulse wave number table. It is the flowchart which showed the operation | movement of the state determination of the to-be-cared body in an alerting | reporting means. It is the graph which showed an example of the body movement signal. It is the figure which showed an example of the unit time body motion number table. It is the flowchart which showed the operation | movement of the state determination of the to-be-cared body in an alerting | reporting means. It is the figure which showed the point which calculates the sum total of the output of a biomedical signal. It is the figure which showed an example of the arterial oxygen saturation table. It is the figure which showed an example of the threshold value range table. It is the flowchart which showed the operation | movement of the state determination of the to-be-cared body in an alerting | reporting means. It is the figure which showed an example of the reference | standard range table. It is the figure which showed an example of the owner information table. It is the flowchart which showed the operation | movement from transmission of the warning signal by an alerting | reporting means to the output to the output device of a care terminal.

  An example of the care management system A of the present invention will be described with reference to the drawings. As shown in FIG. 1, the care management system A includes a plurality of care terminals 1 assigned to each caregiver, and a plurality of care recipients assigned to each care receiver and connected to the care terminal 1 in a communicable manner. Terminal 2.

  The care management system A includes a plurality of care terminals 1, and each care terminal 1 is assigned to each caregiver. The care terminal 1 only needs to be communicably connected to the care receiver terminal 2 to be described later, and a known portable communication device can be used. Examples thereof include a smartphone, a tablet-type mobile communication terminal, and a mobile phone. It is done.

  The care management system A includes a plurality of care receiver terminals 2, and each care receiver terminal 2 is assigned to each care receiver. The care receiver terminal 2 only needs to include a biological signal measurement device 28 that measures a biological signal of the care receiver and can be connected to the care terminal 1 in a communicable manner. In addition, as a to-be-care object, the person who needs care, a pet, etc. are mentioned, for example.

  The care terminal 1 and the care receiver 2 are connected to each other using a general-purpose communication protocol (for example, TCP / IP, NetBEUI), and the care terminal 1 and the care receiver 2 are assigned in advance to each other. Are identified by their identification numbers. Below, although the case where the care terminal 1 and the care receiver 2 are distinguished using an IP address as an identification number will be described as an example, the present invention is not limited thereto.

  FIG. 2 is a diagram illustrating a hardware configuration of the care terminal 1. The nursing care terminal 1 includes a CPU (Central Processing Unit) 11, a storage device 12 such as an SSD (Solid State Drive) and HDD (Hard Disk Drive) corresponding to a storage unit, a ROM (Read Only Memory) 13, a RAM ( Random Access Memory) 14, input device 15 such as a touch panel and keyboard corresponding to the input unit, touch panel corresponding to the output unit, output device 16 such as a display and a speaker, and communication for enabling communication with other terminals The unit 17 is electrically connected.

  The ROM 13 and the storage device 12 of the care terminal 1 store control programs executed by the CPU 11 and various data. The RAM 14 stores a memory for temporarily storing setting values set based on various programs.

  In the ROM 13 and the storage device 12 of the care terminal 1, various programs (output programs and the like) as various means (output means and the like) provided in the care terminal 1 are stored. Various means are realized by reading and writing data in the RAM 14 and the storage device 12 under the control of the CPU 11 by causing the CPU 11 and the RAM 14 to read various programs.

  FIG. 3 is a diagram illustrating a hardware configuration of the care receiver terminal 2. The care receiver 2 includes a CPU (Central Processing Unit) 21, a storage device 22 such as an SSD (Solid State Drive) and HDD (Hard Disk Drive) corresponding to a storage unit, a ROM (Read Only Memory) 23, a RAM (Random Access Memory) 24, an input device 25 such as a touch panel and a keyboard corresponding to an input unit, a touch panel corresponding to an output unit, an output device 26 such as a display and a speaker, and the like to enable communication with other terminals The communication unit 27 is electrically connected to a biological signal measuring device 28 that measures a biological signal of the care receiver.

  In the ROM 23 and the storage device 22 of the care receiver terminal 2, a control program executed by the CPU 21 and various data are stored. The RAM 24 stores a memory for temporarily storing setting values set based on various programs.

  Various programs (biological signal storage program, notification program, etc.) as various means (biological signal storage means, notification means, etc.) provided in the care receiver terminal 2 are stored in the ROM 23 and the storage device 22 of the care receiver terminal 2. Yes. Various means are realized by reading and writing data in the RAM 24 and the storage device 22 under the control of the CPU 21 by causing the CPU 21 and the RAM 24 to read various programs.

  The biological signal measuring device 28 of the care receiver 2 is not particularly limited as long as it can measure the biological signal of the care receiver, for example, a piezoelectric sensor, an oxygen saturation measurement unit for measuring arterial blood oxygen saturation, and a body temperature. Examples include a body temperature measurement unit for measurement. Examples of the biological signal include a pulse wave signal, a respiratory signal, a body motion signal, and arterial oxygen saturation.

  A known piezoelectric sensor can be used. Specifically, a ground electrode is laminated and integrated on one surface of the piezoelectric sheet, and a signal electrode is laminated and integrated on the other surface of the piezoelectric sheet. Conductive wires are electrically connected to the ground electrode and the signal electrode, and these conductive wires are electrically connected to the measurement unit, so that the potential generated in the piezoelectric sheet is measured by the measurement unit. ing.

  The piezoelectric sheet is not particularly limited as long as it is a sheet (sheet having a piezoelectric phenomenon) that can generate an electric charge on the surface when an external force is applied. As the piezoelectric sheet, a piezoelectric sheet obtained by imparting polarization to a synthetic resin sheet (synthetic resin foam sheet or synthetic resin non-foamed sheet) is preferable because it is highly sensitive and easily generates electric charges due to deformation in the thickness direction. A piezoelectric sheet having polarization imparted to the sheet is more preferable.

  Examples of the oxygen saturation measurement unit for measuring arterial oxygen saturation include a known device for measuring arterial oxygen saturation, such as a pulse oximeter.

  Examples of the body temperature measuring unit that measures body temperature include a known body temperature measuring device, such as a mercury thermometer, a kerosene thermometer, an alcohol thermometer, a thermistor thermometer, and an infrared thermometer.

  Examples of the heart rate measuring unit for measuring the heart rate include a known device for measuring the heart rate, such as a photoelectric pulse meter, an LED pulse meter, an infrared pulse meter, and a piezoelectric sensor. The heart rate is the number of beats of the heart per minute, and the pulse rate per minute can be substituted.

  The care receiver terminal 2 includes biological signal storage means for storing the biological signal measured by the biological signal measuring device 28 in the storage unit. When the biological signal measuring device is a piezoelectric sensor by the biological signal storage program corresponding to the biological signal storage means, the synthesized wave of the biological signal of the care receiver detected by the piezoelectric sensor is separated into each biological signal, The separated biological signal is stored in the storage unit.

  Piezoelectric sensors are arranged on a bed or chair used by a cared body, and the cared body is lying or sitting on the piezoelectric sensor. Periodic pulses and breaths emitted from the cared body The piezoelectric sheet of the piezoelectric sensor is pressed and compressed and deformed by non-periodic vibration such as vibration or body movement of the care receiver, and a potential is generated in the piezoelectric sheet along with this compression deformation. It changes with the vibration that is emitted. When the vibration generated from the care receiver is a periodic vibration such as a pulse or a breath, the potential generated in the piezoelectric sheet also changes periodically. As shown in FIG. 4, the measurement unit is controlled by the biological signal storage program, and the change in potential over time generated by the piezoelectric sensor as described above is acquired as a biological signal (step 1). The biological signal obtained from the measurement unit is generated by a plurality of vibrations such as a pulse, breathing, and body movement emitted from the care receiver, and becomes a composite wave of the plurality of biological signals. Therefore, the biological signal storage program generates a separated signal by separating a composite wave of a plurality of biological signals for each frequency by Fourier transform, and this separated signal is converted into each biological signal (for example, a pulse by inverse Fourier transform). Wave signal, respiratory signal, body motion signal, etc.) (step 2). The biological signal obtained by separating each biological signal from the synthesized wave of the biological signal by the biological signal storage program is as shown in FIG. 5, for example, where the vertical axis represents potential and the horizontal axis represents time. In the case of a pulse wave signal and a respiratory signal, as shown in FIG. 5, the potential changes periodically with time. A person's pulse is 50-90 times per minute with a period of 0.6-3 Hz, and a person's breathing is 16-18 times per minute with a period of 0.1-1 Hz. Since the body movement is generally 10 Hz or more, a synthesized wave of a plurality of biological signals is separated into respective biological signals by the biological signal storage program using these as a guideline as described above. In the figure, “step” is abbreviated as “S”.

  Then, the biological signal obtained by separating it from the synthesized wave of the biological signal is stored in the storage device 22 as the storage unit by the biological signal storage program (step 3). The storage device 22 stores a pair of a potential generated by the piezoelectric sensor and a time when the potential is measured as a biological signal so as to be independently readable for each biological signal. For example, when the biological signal is a pulse wave signal, as shown in FIG. 6, the potential generated by the piezoelectric sensor and the measurement time are paired and stored in the pulse wave table. When the biological signal is a respiration signal, the potential generated by the piezoelectric sensor and the measurement time are paired and stored in the respiration table as in the case of the pulse wave signal.

  The care receiver 2 receives the care receiver terminal when the state of the care receiver determined according to a predetermined standard based on the biosignal measured by the biosignal measurement device is a care-required condition. Informing means for transmitting a warning signal including an identification symbol of the care body is provided.

  The notification program corresponding to the notification means may be executed by the execution of an execution command by a caregiver from the input device 25 connected to the CPU 21, or may be executed constantly.

  As shown in FIG. 7 by the notification program, one or a plurality of biological signals (for example, pulse wave signals, etc.) obtained by separating the synthesized wave of the biological signals stored in the storage device 22 by the biological signal storage program. Respiration signals etc. are accessed (step 4). In the following, a case where a pulse wave signal is accessed as a biological signal will be described as an example.

  As shown in FIG. 5, the pulse wave signal periodically changes when the vertical axis represents potential and the horizontal axis represents time. By the notification program, the pulse wave signal is recognized with the vertical axis as potential and the horizontal axis as time, and the pulse wave signals stored in the storage device 22 in chronological order are sequentially counted from the oldest unit time (for example, 1 minute, 30 seconds, etc.), and the period included in the pulse wave signal within each counting unit time (potential takes a maximum value from 0, then returns to 0 after taking a minimum value) The number of periods is set as a unit time pulse wave number, and this unit time pulse wave number is sequentially stored in the storage device 22 as a unit time biological signal number in time series (step). 5). If the pulse wave signal within the total unit time includes a waveform that is less than one cycle, this waveform is excluded. As shown in FIG. 8, in the storage device 22, numbers (1, 2, 3,...) Are sequentially assigned from the oldest to the total unit time, and the total unit time number and the total unit time are used. The calculated unit time pulse wave number is stored in the unit time pulse wave number table as a pair.

  As described above, the notification program divides the pulse wave signal from the oldest one for each total unit time, and calculates the unit time pulse wave number for each total unit time. Therefore, the total time of the pulse wave signal that is new in time may not reach the total unit time. In such a case, since the pulse wave signal stored in the storage device 22 increases and accumulates with the passage of time by the biological signal storage program, the total time of the new pulse wave signal in terms of time is an aggregation unit. It is determined whether or not time has been reached (step 6). When the total time of the new pulse wave signal in time reaches the total unit time, the unit time pulse wave number in this total unit time is calculated, and the newly calculated unit time pulse wave number is added and updated to the storage device 22 Is stored in the unit time pulse wave number table (step 7).

  In this manner, the pulse wave signal is sequentially divided in time series by the notification program for each total unit time, and the unit time pulse wave number included in this divided total unit time is the unit time pulse of the storage device 22. Sequentially added and stored in the wave number table.

  Then, the average value and standard deviation σ of all unit time pulse wave numbers stored in the storage device 22 are calculated by the notification program (step 8). As described above, since the unit time pulse wave number stored in the storage device 22 increases with time, when a new unit time pulse wave number is stored in the unit time pulse wave number table of the storage device 22, the notification program Then, the average value and standard deviation σ of all unit time pulse wave numbers stored in the storage device 22 are recalculated and updated (step 8). In the above, the average value and the standard deviation σ are calculated using all the unit time pulse wave numbers stored in the unit time pulse wave number table, but the unit time pulse wave numbers stored in the unit time pulse wave number table are as follows. Among them, the average value of the unit time pulse wave number and the standard deviation σ may be calculated only for a predetermined number of unit time pulse wave numbers continuous from the latest unit time pulse wave number.

  Furthermore, (the average value of the unit time pulse wave number-3σ) and (the average value of the unit time pulse wave number + 3σ) are calculated from the average value of the unit time pulse wave number and the standard deviation σ by the notification program. Average value −3σ) to (average value of unit time pulse wave number + 3σ) is set as the reference range (step 9). As described above, when the average value of the unit time pulse wave number and the standard deviation σ are updated, the reference range is also recalculated and updated.

  The notification program determines whether or not the unit time pulse wave number included in the latest total unit time is included in the reference range (step 10).

  When the unit time pulse wave number falls within the reference range, it is determined that the health status of the care receiver is in a normal state (step 11). Next, returning to step 4, the above operation is repeated.

  On the other hand, if the unit time pulse wave number is out of the reference range, it is determined by the notification program that there is a possibility that the health status of the cared body is abnormal, and the health status of the cared body is required. It is determined that the patient is in the care state (step 12). And it progresses to step 34 mentioned later.

  Since most of the unit time pulse wave number of the cared for body is statistically included in the above reference range, if the unit time pulse wave number is out of the reference range, there is some problem in the health condition of the cared body. Therefore, the notification program determines that an abnormality has occurred in the care receiver.

  As described above, the notification program compares the pulse wave signal of the cared body in the past with the pulse wave signal of the current cared body so that an abnormality may have occurred in the health state of the cared body. It is possible to detect that there is sex early.

  In the above description, the operation for the pulse wave signal has been described. However, since the same operation is performed for the respiratory signal, the description thereof is omitted. In this case, the pulse wave signal is read as a respiration signal, and the unit time pulse wave number is read as a unit time respiration rate.

  In the above description, the case where the biological signal is based on a biological signal that periodically changes, such as a pulse wave signal and a respiratory signal, has been described. Then, the above steps may be executed by the notification program. In the present invention, “periodic” means that when the horizontal axis is time and the vertical axis is potential and the biological signal is represented in the graph, the biological signal rises from 0 mV and takes a maximum value and then drops to 0 mV. When a series of changes returning to 0 mV after taking the minimum value after passing through 1 is defined as one cycle, this cycle appears repeatedly. The maximum and minimum values taken by the biological signal during a cycle, and the length of the cycle need not be constant and may vary. In the following, a case where body movement is used as a biological signal will be described as an example.

  As shown in FIG. 9, one or a plurality of biological signals that are obtained by separating the synthesized wave of the biological signal stored in the storage device 22 by the biological signal storage program by the notification program and that do not change periodically (for example, , Body movement, etc.) are accessed (step 13).

  By the notification program, the accessed biological signal (body motion signal) is recognized with the vertical axis as potential and the horizontal axis as time. Then, as shown in FIG. 10, the notification program divides each of the accessed biological signals in order from the oldest one in units of total time (for example, 1 minute, 30 seconds, etc.). T (T1, T2, T3... Tn) is formed. Note that n is a natural number.

  The sum of the outputs of the body motion signals that appear in the state determination section T is calculated for each state determination section T. The body motion signal changes up and down when the horizontal axis represents time and the vertical axis represents potential. In the present invention, “total sum of biological signal outputs” means “total area of a portion surrounded by a curve B drawn by a biological signal and a reference straight line C indicating a potential of 0 mV” (an area of a blackened portion in FIG. 10). ).

  The total output is sequentially stored in the storage device 22 as a unit time biological signal number in time series (step 14). As shown in FIG. 11, in the storage device 22, numbers (1, 2, 3,...) Are sequentially assigned from the oldest to the total unit time, and the total unit time number and the total unit time are The calculated total output (unit time body motion number) is stored in the unit time body motion number table as a pair.

  As described above, the notifying program divides the pulse wave signal from the oldest one for each counting unit time, and calculates the total output (number of unit time body movements) for each counting unit time. Therefore, the total time of body motion signals that are new in time may not reach the total unit time. In such a case, the body motion signal stored in the storage device 22 increases and accumulates with the passage of time by the biological signal storage program, so the total time of the body motion signal that is new in time is an aggregation unit. It is determined whether or not the time has been reached (step 15). When the total time of the new body motion signal reaches the total unit time, the number of unit time body motions in this total unit time is calculated, and the newly calculated unit time body motion number is added, updated, and stored. It is stored in the device 22 (step 16).

  As described above, the body motion signal is sequentially divided in time series by the notification program for each total unit time, and the total of the outputs (number of unit time body motion) included in the divided total unit time is stored. The information is sequentially added and stored in the unit time body movement number table of the device 22.

  Then, the average value and the standard deviation σ of the sum total (number of unit time body movements) of all outputs stored in the storage device 22 are calculated by the notification program (step 17). As described above, the total output (unit time body movement number) stored in the storage device 22 increases with time, so the new output total (unit time body movement number) is stored in the storage device 22. The time is updated after the average value and the standard deviation σ of the sum total (number of unit time body movements) of all outputs stored in the storage device 22 are recalculated by the notification program (step 18). In the above, the average value and the standard deviation σ are calculated using the sum of all outputs (unit time body motion number) stored in the unit time body motion number table, but stored in the unit time body motion number table. Of the total output (unit time body movements), only the total of the predetermined number of outputs (unit time body movements) consecutive from the latest output sum (unit time body movements) is the target Alternatively, the average value and the standard deviation σ of the total output (number of body movements per unit time) may be calculated.

  Further, the report program calculates the average of the total output (unit time body movement number) and the standard deviation σ from the average of the output total (unit time body movement number) −3σ and the total output (unit time body). (Average number of movements) + 3σ] is calculated, and [average value of total output (unit time body movements) −3σ] to [average value of total output (number of body movements per unit time) + 3σ] as a reference range It is set (step 17 (S17)). As described above, when the average value of the total output (number of unit time body movements) and the standard deviation σ are updated, the reference range is also recalculated and updated.

  The notification program determines whether or not the total sum of outputs (number of unit time body movements) included in the latest total unit time is included in the reference range (step 19)).

  If the total output (number of body movements per unit time) is within the reference range, it is determined that the health status of the care receiver is in a normal state (step 20). Next, returning to step 9, the above operation is repeated.

  On the other hand, when the unit time pulse wave number is out of the reference range, it is determined by the notification program that there is a possibility that the health status of the cared body is abnormal, and the status of the cared body is in need of care. The state is determined (step 21). And it progresses to step 34 mentioned later.

  This is because most of the total output (number of unit time body movements) of the care recipient is statistically included in the above reference range, so the total output (number of unit time body movements) is out of the reference range. In such a case, it is highly likely that the cared body is struggling, rampaging, or losing movement, and there is a high possibility that some problem has occurred in the health state of the cared body.

  In this way, there is a possibility that an abnormality has occurred in the care receiver by comparing the past body motion signal of the cared body with the current body motion signal of the cared body. Can be discovered early.

  In the above, it is determined by the notification program whether the care receiver is in a normal state or a care-required state, but even if the care receiver is about to get out of bed, the state of the care receiver is determined. Good.

  As shown in FIG. 12, by the notification program, one or a plurality of biological signals (for example, pulse wave signals, etc.) obtained by separating the synthesized wave of the biological signals stored in the storage device 22 by the biological signal storage program. Respiration signals etc. are accessed (step 22).

  The biological signal accessed by the notification program is recognized with the vertical axis representing potential and the horizontal axis representing time. Then, as shown in FIG. 13, each of the accessed biological signals is divided by the notification program in order from the newest one in time for each unit time (for example, 1 minute, 30 seconds, etc.). W is formed (step 23). The number of bed leaving unit sections to be formed is set corresponding to the number of bed leaving unit sections used for the past bed leaving output summation described later.

  The notification program calculates the sum of the outputs of the biosignals appearing in the latest bed leaving unit T1 for each biosignal, and calculates the sum of the outputs of each biosignal. It is said. Further, for each biological signal, one or a plurality of bed leaving unit sections W2, W3, W4 including a new bed leaving unit section W2 next to the latest bed leaving unit section W1 and continuing to the latest bed leaving unit section W1 by the notification program. The total sum of the outputs of the biological signals appearing in the bed leaving unit section including ... is calculated, and the total sum of the outputs of the respective biological signals is calculated, and this sum is set as the past total bed output total (step 24). . The number of bed leaving unit sections targeted for calculating the past bed leaving output total is not particularly limited, but is preferably 1 to 100, and more preferably 1 to 50.

  The biological signal changes up and down around a potential of 0 mV, when the horizontal axis represents time and the vertical axis represents potential. The “total sum of biosignal outputs” means “the total area of the portion surrounded by the curve B drawn by the biosignal and the reference straight line C indicating the potential of 0 mV” (the area of the hatched portion in FIG. 13).

  The notification program compares the latest bed output total with the past bed output total, and determines whether or not the latest bed output total is equal to or less than a predetermined ratio of the past bed output total (step 25). ).

  The predetermined ratio of the past bed output total may be set as appropriate in consideration of the age, sex, etc. of the cared person, for example, 1/10, 1/5, etc. of the past bed output total. . When the latest total bed output is equal to or less than a predetermined ratio of the past bed output total, a bed signal is transmitted because the potential measured by the piezoelectric sensor is a living body emitted from the body to be cared for. This is because a potential due to noise having a movement similar to vibration is included. Therefore, when the latest total bed output is equal to or less than a predetermined ratio of the past bed output total, the notification program determines that the cared body is about to leave the bed, and the cared body needs care. The state is determined (step 26). And it progresses to step 34 mentioned later.

  When the latest total output of bed output exceeds the predetermined ratio of the total bed output in the past by the notification program, it is determined that the cared body is stably present on the bed, and the cared body Is determined to be in a normal state (step 27). Then, returning to step 22, the above operation is repeated.

  As described above, based on the biological signal measured by the biological signal measuring device, it is determined by the notification program whether the state of the care target is in a normal state or a state requiring care.

  In the execution procedure of the notification program shown in FIG. 7 and FIG. 9 described above, the case where (average value of unit time pulse wave number-3σ) to (average value of unit time pulse wave number + 3σ) is set as the reference range has been described. , (Average value of unit time pulse wave number −3σ) to (average value of unit time pulse wave number + 3σ) are illustrated as examples of the reference range, and a reference range different from the above may be defined.

  When the biological signal measuring device is an oxygen saturation measuring unit that measures arterial blood oxygen saturation, the biological signal (arterial blood oxygen saturation) of the care receiver is measured at regular intervals in each measuring unit. . Hereinafter, a case where the biological signal measurement device is an oxygen saturation measurement unit will be described as an example.

  The measured value of the biological signal measured by the oxygen saturation measuring unit by the biological signal storage program is stored for each biological signal together with the measurement time in the arterial blood oxygen saturation table. FIG. 14 shows an example of an arterial oxygen saturation table.

  A threshold range is determined in advance for the arterial oxygen saturation, and the threshold range of the arterial oxygen saturation is stored in the threshold range table in the storage device 22 of the care receiver 2. Further, the threshold range table also stores a reference time for calculating a comparison value used for determining the risk of infection of the care recipient by the determination program. An example of the threshold range table is shown in FIG. In FIG. 15, for example, the threshold range of arterial blood oxygen saturation is defined as “90% or more”. Registration and change of each numerical value in the threshold range table are performed from the input device 25 of the care receiver terminal 2.

  First, as shown in FIG. 16, the notification program reads the threshold range and the reference time from the threshold range table, and also reads the measurement values stored in the arterial oxygen saturation table in the storage device 12 (step 28). The measurement values read from the arterial blood oxygen saturation table are read from the latest measurement values for the reference time stored in the threshold range table. When the measurement values for the reference time are not stored in the arterial oxygen saturation table, all the measurement values stored in the arterial oxygen saturation table are read.

Next, the readout measurement values are sequentially compared with the threshold range by the notification program, and the ratio of the measurement values that fall within the threshold range among all the readout measurement values is expressed by the following formula: The calculated value is used as a comparison value (step 29).
Comparison value (%) = 100 × (number of measured values falling within threshold range)
/ (Number of all readings read)

  On the other hand, a reference range table is stored in the storage device 12 of the infectious disease risk determination system 1, and a reference range of arterial oxygen saturation is stored in the reference range table. FIG. 17 shows an example of the reference range table. In FIG. 17, for example, the reference range of arterial blood oxygen saturation is defined as “90% or more”. Each numerical value is registered and changed in the reference range table from the input device 15 of the infectious disease risk determination system 1.

  Then, the reference range of the arterial oxygen saturation is read from the reference range table by the notification program (step 30). Next, the comparison value calculated in step 29 is compared with the reference range, it is determined whether or not the comparison value is within the reference range (step 31), and the comparison value is not within the reference range. Therefore, it is determined that an abnormality has occurred in the health condition of the cared body, and the cared body is determined to be in a care-needed state (step 32). And it progresses to step 34 mentioned later. On the other hand, if the comparison value is within the reference range, it is determined that the care receiver is in a normal state (step 33). Next, returning to step 28, the above operation is repeated.

  In the above description, the case of having an oxygen saturation measuring unit for measuring arterial blood oxygen saturation has been described. However, since the biological signal measuring device is a body temperature measuring unit for measuring body temperature, the same operation is performed. Is omitted.

  As described above, based on the biological signal measured by the biological signal measuring device, it is determined by the notification program whether the care object is in a normal state or in a state requiring care. In addition, when the care management system 1 includes a plurality of biological signal measuring devices, if it is determined that at least one biological signal indicates that the care target is in a care-required state, the care-received body is determined to be in a care-required state. Is done.

  In addition, the above-described criteria for determining whether or not the cared body is in a normal state or a state requiring care is an example, and the normal state or the state requiring care is determined based on other criteria. May be.

  On the other hand, an owner information table is stored in the storage device 22 of the care receiver 2, and the name of the care receiver to which the care receiver 2 is assigned and the care receiver are stored in the owner information table. The assigned identification symbol is registered. FIG. 18 shows an example of the owner information table. In the owner information table shown in FIG. 18, “Taro to be cared” is registered as the name of the cared body, and “Dog” is registered as the identification symbol.

  As shown in FIG. 19, the name of the cared body registered in the owner information table and the identification symbol given to the cared body are read out by the notification program (step 34).

  Next, a warning signal including the fact used when the care receiver is determined to be in need of care by the notification program, the name of the care receiver, and the identification symbol given to the care receiver is transmitted to the care terminal 1 (Step 35).

  The facts used when the cared body is determined to be in a care-needed state include the type of biological signal and the bed leaving that are the criteria for determining that the cared body is in the cared state.

  The care terminal has output means for outputting the identification symbol of the care receiver to the output unit by receiving a warning signal from the care receiver terminal.

  When the care terminal 1 receives a warning signal from the care receiver terminal 2, the fact that the care recipient is determined to be in a care-needed state by the output device 16 of the care terminal 1 by the output program corresponding to the output means, The name of the care receiver and the identification symbol given to the care receiver are output (step 36).

  There are no particular restrictions on the facts used in determining that the care recipient is in a need for care status, the name of the care recipient, and the identification form assigned to the care recipient. The output form which displays on a display the fact used when it was judged as a care state, the name of a cared body, and the identification symbol given to the cared body is mentioned.

  In the output to the output device 16, the output form may be changed for each fact that is used when the care receiver is determined to be in a care-needed state. For example, if the fact (foundation) used in determining that the cared person is in a need for nursing care is a pulse wave, the display is “red” and the cared object is judged to be in a cared for condition When the fact (foundation) used is due to getting out of bed, there is an output form in which the display is “blue”.

  Furthermore, when the identification symbol given to the care recipient can be represented as an image such as “dog”, “sunflower”, “Mt. Fuji”, etc., the image corresponding to the identification symbol may be displayed as the identification symbol. Good.

  Thus, since the output device 16 of the care terminal 1 displays not only the name of the cared body but also the identification code of the cared body, the caregiver can easily determine the status of the cared body using the identification code. Can be recognized.

  That is, for example, when the cared body is in a care facility, and the room number of the cared body is “room 101”, the recognition symbol for the room number “room 101” is set to “dog” in advance. On the other hand, the identification symbol of the care recipient is also “dog”. When the body to be cared for is displayed together with the identification symbol “dog” on the output device 16 of the care terminal 1, the caregiver does not need to check the room number based on the name of the cared for, and the identification symbol “dog” is “ It can be immediately recognized that it means "room 101", and the caregiver can immediately go to room 101 and take care of the cared person quickly.

  In addition, when a cared body is in a care facility, a large number of cared bodies may be simultaneously in one room during meals and recreation. In such a case, an abnormality occurs in the cared body, there is a display to that effect on the care terminal, and even if the name of the cared body is displayed, it may not be known where the cared body is in the room is there.

  In such a case, for example, one room is divided into a plurality of sections in advance, and an identification symbol is determined for each section, or when there are a plurality of desks, an identification symbol is determined for each desk, The user is allowed to sit at a predetermined place, and the recognition symbol of the section or desk corresponding to the seated place is given to the care receiver as an identification symbol. By doing in this way, when a cared body is displayed with the identification symbol on the output device 16 of the care terminal 1, the caregiver can easily specify the location of the cared body based on the identification symbol, The caregiver can take care of the care recipient immediately.

  In this way, for the situation such as the room number and whereabouts, the same recognition symbol is given to the same situation, while the recognition symbol given to the situation to which the care recipient is applicable is given to the care recipient as an identification symbol. Thus, the caregiver can immediately determine the status of the cared body based on the identification code of the cared body displayed on the output device 16 of the care terminal 1 without having to grasp the status of the cared body from the name of the cared body. The caregiver can quickly go to the body to be cared for and can smoothly care for the body to be cared for.

  In addition, when the identification symbol given to the care recipient can be expressed as a shape such as “dog”, “sunflower”, “Mt. Fuji”, etc., the identification symbol imitating the identification symbol given to the care recipient (for example, By attaching a stuffed dog, sunflower or Mt. Fuji figurine etc.) to the body to be cared for, it is possible to take care at a glance by looking for an identifier corresponding to the identification symbol of the cared body displayed on the care terminal 1 The situation such as the whereabouts of the body can be easily grasped, and the caregiver can promptly care for the care recipient.

  In addition, attaching an identification body to a cared body means, for example, placing the identification body on a desk used by the cared body, attaching the identification body to a chair of the cared body, For example, the identification object is placed on the floor of the place where it is located.

1 Nursing terminal 2 Nursing terminal A Nursing care management system

Claims (3)

A care management system comprising a plurality of care terminals assigned to each caregiver and a plurality of care receiver terminals assigned to each care recipient and connected to the care terminals in a communicable manner;
The above-mentioned care recipient terminal
A biological signal measuring device for measuring a biological signal of the care receiver;
A storage unit storing an identification symbol of a care receiver assigned to the care receiver terminal;
When the state of the cared for body determined according to a predetermined standard based on the biological signal measured by the biological signal measuring device is in the care-needed state, the care terminal is identified with the identification code of the cared for body And a notification means for transmitting a warning signal including
The nursing care management system characterized in that the nursing care terminal has an output means for outputting the identification symbol of the care receiver to an output unit upon reception of a warning signal from the nursing care terminal. 2. The care management system according to claim 1, wherein the notification means transmits a warning signal including an identification symbol of the care receiver and a state of the care receiver to the care terminal. 3. The identification object according to claim 1 or 2, further comprising an identification object that imitates the identification symbol of the care recipient assigned to the care receiver and is used in association with the care recipient. Care management system.

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