WO2013024567A1 - Dispositif de mesure d'humidité corporelle et son procédé de commande d'affichage - Google Patents

Dispositif de mesure d'humidité corporelle et son procédé de commande d'affichage Download PDF

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Publication number
WO2013024567A1
WO2013024567A1 PCT/JP2012/004701 JP2012004701W WO2013024567A1 WO 2013024567 A1 WO2013024567 A1 WO 2013024567A1 JP 2012004701 W JP2012004701 W JP 2012004701W WO 2013024567 A1 WO2013024567 A1 WO 2013024567A1
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WIPO (PCT)
Prior art keywords
amount
display
parameter
water
moisture meter
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PCT/JP2012/004701
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English (en)
Japanese (ja)
Inventor
美雪 小山
敬亮 吉野
成松　清幸
森田　孝司
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テルモ株式会社
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Application filed by テルモ株式会社 filed Critical テルモ株式会社
Priority to JP2013528905A priority Critical patent/JP6117101B2/ja
Publication of WO2013024567A1 publication Critical patent/WO2013024567A1/fr

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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
    • A61B5/48—Other medical applications
    • A61B5/4869—Determining body composition
    • A61B5/4875—Hydration status, fluid retention of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0537—Measuring body composition by impedance, e.g. tissue hydration or fat content

Definitions

  • the present invention relates to an in-vivo moisture meter for measuring the moisture of a living body of a subject and a display control method thereof.
  • Dehydration in the living body is a condition in which water in the living body decreases, and it often develops daily, especially when exercising when a lot of water is discharged from the body due to sweating or rising body temperature, or when the temperature is high It is. In particular, it is said that elderly people are more likely to cause dehydration than ordinary healthy people because the water retention ability of the living body itself is often lowered.
  • the body temperature regulation is impaired when the body water is lost by 3% or more of the body weight.
  • the body temperature regulation disorder causes the body temperature to rise, and the body temperature rise further increases the body water. It falls into a vicious circle that causes a decrease in the number of people, and eventually it leads to a disease state called heat stroke.
  • Heat stroke has pathological conditions such as heat convulsions, heat fatigue, and heat stroke, and sometimes systemic organ damage sometimes occurs. By accurately grasping dehydration symptoms, the risk of heat stroke can be avoided in advance. It is desirable to be able to do this.
  • intake of necessary water is desired.
  • Patent Document 1 As a device for grasping dehydration symptoms, a device that measures human body impedance with a device that holds a handle with both hands and calculates a moisture content from the measurement result is known (Patent Document 1). In addition, an apparatus that easily measures skin moisture by pressing a sensor on the skin has been proposed (Patent Document 2).
  • the moisture meter in the body described in Patent Document 1 requires that the subject himself / herself grasps the handle with both hands. Not suitable. That is, with the structure of the moisture meter in the body described in Patent Document 1, it is difficult to measure the amount of moisture in the body of the subject who has fallen into consciousness. Further, in such a device that measures the amount of water in the body by passing an electric current through the limbs and trunk, the measured value is affected by the muscle mass, and dehydration cannot be detected.
  • the skin moisture meter as described in Patent Document 2 is intended to check the so-called moisture of the skin. Therefore, a skin moisture meter that measures the degree of moisturization of the face affected by the humidity of the outside air cannot be used as a body moisture meter for determining dehydration as described above.
  • the display unit for displaying the measurement results is also miniaturized.
  • the amount of water is displayed in units of “%” and “Kg”, but unlike the body temperature, the value is not familiar to general users. It is difficult to intuitively understand what state is (for example, dehydrated state), what kind of treatment is necessary (for example, what is the required water intake), and the like.
  • the measurement result of the past water content is displayed as a graph together with the average water content so that changes in the body water content can be recognized.
  • the display unit needs to have a certain size, and it is difficult to apply it to the display of the moisture meter in the body that is required to be downsized.
  • the present invention has been made in view of the above problems, and presents the amount of in-vivo state of the subject together with the amount of water in the subject's body to facilitate the dehydration state of the subject.
  • An object of the present invention is to provide a body moisture meter that can be grasped and a display control method thereof.
  • a body moisture meter comprises the following arrangement. That is, An input means for inputting a parameter representing the internal state of the subject; Holding means for holding the parameter input by the input means; A calculating means for calculating a body state quantity related to the amount of water in the body using the parameter; Measuring means for measuring the moisture content of the subject; First display means for displaying the amount of water measured by the measuring means on a display unit; And second display means for displaying the body state quantity calculated by the calculation means on the display unit.
  • the state of moisture in the subject's body and the amount of body state related to the dehydrated state are presented, so the dehydrated state of the subject can be easily grasped.
  • FIG. 1 is a diagram showing an example of the appearance of the in-vivo moisture meter 100 according to the first embodiment.
  • the moisture meter 100 in the body detects the amount of moisture in the body of the subject by bringing the end portion into contact with the skin of the subject and detecting a physical quantity corresponding to the electric signal supplied at the end portion.
  • an end is brought into contact with the subject's heel and the capacitance of the subject's skin is detected as a physical quantity to detect the wetness of the skin under the heel.
  • Estimate and detect moisture content is not limited to the capacitance, and for example, impedance measured by supplying a constant voltage or constant current to the subject can also be used.
  • the main body 101 is provided with various user interfaces and an electronic circuit for measuring the body moisture content.
  • a switch 102 and a display unit 103 are provided.
  • the switch 102 has up / down / left / right keys 102a to 102d and a determination key 102e at the center thereof, and is used for inputting various parameters.
  • the power is turned on by long pressing the enter key 102e.
  • power supply to the respective units of the moisture meter 100 in the body is started from a power supply unit 211 (FIG. 2) described later, and the moisture meter 100 in the body is in an operating state.
  • the display unit 103 displays a moisture content measurement result display 1031 together with a calculation result display 1032 for the moisture shortage.
  • the battery display unit 1033 notifies the user of the remaining amount of the battery (the power supply unit 211 in FIG. 2).
  • the display unit 103 displays “E” to notify the user to that effect.
  • the main body 101 is provided with a sensor 110 slidable in the directions of arrows 1101a and 1101b.
  • the sensor unit 110 is urged in the direction of an arrow 1101a by a spring (not shown) in order to ensure a pressing pressure for ensuring the close contact of the sensor head 111 with the skin (for example, an urging force of about 200 g).
  • the measurement is started when the sensor head 111 is pressed against the skin and the sensor unit 110 is moved in the direction of the arrow 1101b by a predetermined amount (for example, 1 mm to 10 mm, 3 mm in this embodiment).
  • the user turns on the determination key 102e of the switch 102 to activate the moisture meter 100 in the body and presses the sensor head 111 against the skin of the subject for a predetermined time (for example, 2 seconds or more). Then, the measurement of the amount of water in the body is started.
  • the user turns on the switch 102 (decision key 102e) to activate the moisture meter 100 in the body, and the sensor head 111 has a predetermined load (for example, 10 gf to 300 gf, more preferably 50 gf to 250 gf) on the subject's skin.
  • 150 gf When the pressing is detected, the measurement of the amount of water in the body is started. With this mechanism, the degree of adhesion of the sensor head 111 to the skin during measurement is made constant.
  • an electrode is laid on the contact surface of the sensor head 111 attached to the tip of the sensor unit 110 with the subject, and a protective film is provided so as to cover the electrode.
  • the contact surface of the sensor head 111 may have a flat shape or a convex curved shape.
  • An example of the shape of such a contact surface is a part of a spherical surface (for example, a spherical surface having a radius of 15 mm).
  • FIG. 2 is a block diagram illustrating a functional configuration example of the moisture meter 100 in the embodiment.
  • the control unit 201 includes a CPU 202 and a memory 203, and the CPU 202 executes various programs in the body moisture meter 100 by executing a program stored in the memory 203.
  • the CPU 202 executes display control of the display unit 103, which will be described later with reference to the flowchart of FIG. 4, drive control of the buzzer 222 and the LED lamp 223, measurement of moisture in the body (capacitance measurement in the present embodiment), and the like.
  • the memory 203 includes a nonvolatile memory and a volatile memory.
  • the nonvolatile memory is used as a program memory, and the volatile memory is used as a work memory for the CPU 202.
  • the memory 203 holds a parameter table in which parameter setting values input by the user are recorded. This parameter table is held in a storage area (for example, a flash memory) where the contents are maintained even when the power is turned off.
  • the power supply unit 211 has a replaceable battery or a rechargeable battery, and supplies power to each part of the moisture meter 100 in the body.
  • the voltage regulator 212 supplies a constant voltage (for example, 2.3 V) to the control unit 201 and the like.
  • the battery remaining amount detection unit 213 detects the remaining amount of the battery based on the voltage value supplied from the power supply unit 211 and notifies the control unit 201 of the detection result.
  • the control unit 201 controls the display of the battery display unit 1033 based on the remaining battery level detection signal from the remaining battery level detection unit 213.
  • the control unit 201 When the determination key 102e of the switch 102 is pressed, power supply from the power supply unit 211 to each unit is started. For example, when the control unit 201 detects that the user presses the enter key 102e for 1 second or longer, the control unit 201 maintains the power supply from the power supply unit 211 to each unit and sets the moisture meter 100 in the body to the operating state.
  • the measurement switch 214 is turned on when power supply from the power supply unit 211 is started and the sensor unit 110 is pushed in a direction of an arrow 1101b by a predetermined amount or more.
  • the control unit 201 starts measuring the amount of water when the measurement switch 214 is turned on, and ends the measurement when the measurement switch 214 is on for a predetermined time (for example, 2 seconds).
  • control unit 201 In order to prevent the power supply unit 211 from being consumed, if the measurement does not start even after 2 minutes have passed since the in-vivo moisture meter 100 is in the operating state, the control unit 201 automatically turns on the in-vivo moisture meter 100. Transition to the off state.
  • the measurement circuit 221 is connected to the sensor head 111 and measures the capacitance.
  • FIG. 3 is a diagram illustrating a configuration example of the measurement circuit 221.
  • a CR oscillation circuit is formed by the operational amplifiers 301 and 302, the resistors 303 and 304, and the subject capacitor 310. Since the oscillation frequency of the output signal 305 is changed by the subject volume 310, the control unit 201 estimates the subject volume 310 by measuring the frequency of the output signal 305.
  • the sensor head 111 of the present embodiment for example, two comb-shaped electrodes are arranged so that the respective comb teeth are alternately arranged, but the present invention is not limited to this.
  • the display unit 103 performs display as described in FIG. 1 under the control of the control unit 201.
  • the buzzer 222 sounds when the measurement starts when the sensor unit 110 is pressed or when the measurement of the moisture content in the body is completed, and notifies the user of the start or completion of the measurement.
  • the LED lamp 223 also performs the same notification as the buzzer 222. That is, the LED lamp 223 is turned on when the measurement is started by pressing the sensor unit 110 or when the measurement of the moisture content in the body is completed, and notifies the user of the start or completion of the measurement.
  • the timer unit 224 operates by receiving power supply from the power supply unit 211 even when the power is off, and notifies the control unit 201 of the time in the operation state.
  • the moisture meter 100 in the present embodiment having the above configuration will be described below.
  • the calculated moisture deficit amount is displayed together with the measured moisture content in the body, thereby assisting the user to make an appropriate determination and treatment from the measured moisture content in the body. .
  • a parameter indicating an in-vivo state and a method for calculating a deficiency of water used by the in-body moisture meter 100 of the present embodiment for calculating deficiency of water will be described.
  • a reference value representing the normal state of the subject and a state value representing the state at the time of measurement are used as parameters.
  • the normal weight (BWN) is used as the reference value.
  • BW body weight
  • Hct hematocrit
  • TP serum total protein
  • Na serum sodium concentration
  • ⁇ plasma osmotic pressure
  • the moisture deficit amount is calculated by a calculation method according to the parameter set and input the latest among a plurality of parameters, but only one type of calculation method may be executed. In this case, it is needless to say that only the parameters necessary for the calculation method can be set and input.
  • FIG. 4 is a flowchart for explaining parameter setting input processing for calculating the body water content in the body moisture meter 100.
  • 5A in FIG. 5 is a display example when setting the parameters of the moisture meter 100 in the body
  • 5B in FIG. 5 is a diagram showing an example of parameter storage in the memory 203 (configuration example of the parameter table).
  • the parameter setting method in the moisture meter 100 will be described with reference to FIGS.
  • the parameter setting process shown in FIG. 4 is activated in response to a long press of either the up / down key 102c or 102d.
  • an instruction frame 501 for instructing parameter items is displayed in step S401 as shown in 5A of FIG.
  • the control unit 201 determines whether there is an input from the left key 102a or the right key 102b. If any of the left and right keys is input, the process proceeds to step S403.
  • the control unit 201 instructs the instruction frame 501 in the order of BW ⁇ Hct ⁇ TP ⁇ Na ⁇ ⁇ ⁇ BWN when the right key 102b is input, and in the reverse order when the left key 102a is input.
  • step S404 the control unit 201 determines whether or not the enter key 102e has been pressed. The above steps S402 to S404 are repeated until it is determined that the enter key 102e has been pressed. Note that the value currently set for the indicated parameter type may be displayed on the 7-segment display 502 of the calculation result display 1032 in accordance with the movement of the instruction frame 501.
  • step S404 If it is determined in step S404 that the enter key 102e has been pressed, the process proceeds to step S405, and the control unit 201 determines the parameter type designated by the instruction frame 501 at that time as an input item. The user moves the instruction frame 501 to the desired parameter type and then presses the enter key 102e, thereby confirming the input item section and setting a value related to the desired parameter type.
  • step S406 the control unit 201 displays the current value set for the designated parameter type on the 7-segment display 502 of the calculation result display 1032.
  • the current value can be acquired from a parameter table described later using 5B in FIG. If the current value is not set, zero is displayed.
  • step S407 the control unit 201 determines whether any of the up / down keys 102c and 102d has been pressed. If it is determined that either the up / down key 102c or 102d has been pressed, the process proceeds to step S408.
  • the control unit 201 increases the current value when the up key 102c is pressed, and decreases the current value when the down key 102d is pressed.
  • step S409 the control unit 201 determines whether or not the enter key 102e has been pressed.
  • step S409 If it is determined in step S409 that the enter key 102e has been pressed, the process proceeds to step S410.
  • step S ⁇ b> 410 the control unit 201 determines the current value at that time as the value of the parameter type determined in step S ⁇ b> 405 and stores it in the memory 203.
  • step S ⁇ b> 411 the control unit 201 calculates a deficiency of water using the above-described calculation method, and stores the calculated value in the memory 203 as a “deficiency of water calculation value”.
  • control for prompting input of parameters necessary for calculation may be performed. For example, in the case of a calculation method using hematocrit (Hct), the value of body weight (BW) is also necessary.
  • Hct hematocrit
  • BW body weight
  • the 7-segment display 502 is displayed as “--.-” to inform the user to that effect. It may be. Further, in such a case, the instruction frame 501 may be automatically moved to BW, and the process may be returned to step S407.
  • 5B in FIG. 5 is a diagram illustrating a configuration example of a parameter table held in the memory 203.
  • the parameter table a plurality of types of parameters that can be used in the above-described plurality of types of calculation methods for calculating the moisture deficiency are recorded.
  • the control unit 201 records the determined value as an “input value” at the position of the corresponding parameter type. Further, the control unit 201 acquires the time when the input value is recorded from the time measuring unit 224 and records this in the “input time” column. Further, a validity period is set for each parameter type, and the control unit 201 determines the validity period by adding the validity period to the “input time” and records it in the corresponding column of the parameter table.
  • the effective period of the reference value is several months, and the effective period of the state value is about several hours. At least the effective period of the reference value is set longer than the effective period of the state value. Further, although there are a plurality of types of parameters for the state value, different valid periods may be set for each type.
  • the control unit 201 records the moisture shortage calculation value in the corresponding column of the parameter table. Note that the calculation of the moisture deficiency is performed for the case where the change of the state value affects. Therefore, when the BW that is the current weight is changed, all the water deficiency calculation values are updated.
  • step S601 the control unit 201 detects a measurement start instruction.
  • a measurement start instruction In this example, it is determined that an instruction to start measurement is detected when the sensor unit 110 is pushed in the direction of the arrow 1101b by a predetermined amount or more and the measurement switch 214 is turned on.
  • the control unit 201 measures the frequency of the oscillation signal from the measurement circuit 221 to calculate the moisture content in the subject.
  • step S603 the control unit 201 displays the body water content obtained in step S502 on the measurement result display 1031.
  • step S604 the control unit 201 determines whether or not the subject is dehydrated based on whether or not the amount of water in the body estimated in step S602 exceeds a predetermined threshold.
  • the threshold value in this case is preferably a value corresponding to 35% when water is 100% and air is 0%.
  • step S605 the control unit 201 extracts an effective one of the moisture deficiency calculation values recorded in the parameter table by referring to the expiration date recorded in the parameter table.
  • step S ⁇ b> 605 the control unit 201 extracts an effective one of the moisture deficiency calculation values recorded in the parameter table by referring to the expiration date recorded in the parameter table.
  • step S606 the process proceeds from step S606 to step S607, and the control unit 201 displays the extracted deficient moisture amount calculated value in the calculation result display 1032.
  • the display unit 103 illustrated in 1A of FIG. 1 illustrates an example of a state in which a moisture amount and a moisture deficit amount are displayed.
  • the frame display 1034 clearly indicates that the calculation result display 1032 displays the amount of water shortage
  • the frame display 1035 clearly indicates that the unit is liters (L).
  • step S605 if an effective water shortage calculation value is not obtained in step S605, the process proceeds from step S606 to step S608.
  • step S ⁇ b> 608 the control unit 201 displays on the calculation result display 1032 that the moisture deficiency amount could not be calculated. For example, by displaying “--.-” in the calculation result display 1032, the user is informed that the moisture deficiency could not be calculated.
  • the moisture meter in the body of the first embodiment it is possible to know the moisture content of the subject and the moisture deficiency. Therefore, the user can conveniently determine the amount of hydration necessary for the subject. Furthermore, when the moisture content is determined to be dehydrated, the moisture deficit amount is displayed, so that it can be immediately known whether or not the subject is dehydrated. In addition, since the expiration date is set for the parameter used for calculating the moisture deficiency, the reliable moisture deficiency can be displayed.
  • the moisture meter in the body that displays the moisture deficit amount together with the moisture amount and suggests the hydration amount to the user has been described.
  • a moisture meter in the body is further described that displays the amount of water loss as a body state quantity related to the dehydrated state and allows the user to grasp the severity of the dehydrated state.
  • FIG. 7A in FIG. 7 is a diagram showing an appearance of the in-vivo moisture meter 100 according to the second embodiment.
  • a water loss display 701 is added.7B in FIG.7 shows a display example at the time of parameter setting of the moisture meter 100 in the body according to the second embodiment.
  • a water loss display 701 is added, but the screen display and functions related to parameter setting are the same as in the first embodiment.
  • FIG. 8 is a flowchart showing an operation of measuring the body water content of the body moisture meter 100 according to the second embodiment.
  • the processes in steps S601 to S607 are the same as in the first embodiment.
  • the control unit 201 calculates the water loss amount using the water shortage amount, and displays it on the display unit 103.
  • the calculation of the amount of water loss is performed by, for example, the following equation.
  • step S802 the control unit 201 determines the severity of the dehydration state based on the amount of water loss calculated in step S801, and changes the background color in the display unit 103.
  • the present invention is not limited to the above example.
  • step S605 if an effective water shortage calculation value is not obtained in step S605, the process proceeds from step S606 to step S803.
  • step S ⁇ b> 803 the control unit 201 displays on the calculation result display 1032 that the deficiency amount of water has not been calculated. For example, by displaying “--.-” on the calculation result display 1032 and the water loss display 701, the user is informed that the calculation of the water shortage and water loss cannot be performed.
  • the user can determine the severity of dehydration from the amount of water lost. Furthermore, since the display form is changed according to the severity determined based on the amount of water loss, the user can intuitively grasp the severity of the dehydrated state.
  • the calculated amount of moisture deficiency is calculated and stored in the parameter table when the parameter is input.
  • the calculation of the moisture deficiency may be performed at the timing of S607, for example.
  • S605 among the parameters registered in the parameter table, parameters that are necessary for calculating the moisture deficiency and that are valid and latest are extracted. If such parameters can be extracted in step S606, the control unit 201 calculates and displays the moisture deficiency in step S607.
  • the determination in step S606 is to determine whether or not the parameter stored in the parameter table or the deficient amount calculated value is valid based on the elapsed time since the parameter was input.
  • the water deficit amount (and the water loss amount) is displayed when the dehydration state is determined based on the water amount. It is intended to avoid the confusion of the user due to the display. Therefore, for the purpose of prevention, the amount of water shortage may be displayed from a state close to the dehydrated state to prompt the subject to replenish water. This can be realized by increasing the determination threshold of the amount of water in step S604 in FIG. Or you may make it perform the display process of the water shortage amount (and water loss amount) of transfer to step S606, without performing determination of step S604.
  • the moisture amount and the moisture deficit amount are displayed on the display unit 103 at the same time.
  • the moisture amount, the moisture deficit amount, and the moisture loss amount are displayed on the display unit 103 at the same time. It is not limited to.
  • the water amount and the water shortage amount may be alternately switched and displayed.
  • the water amount, the water shortage amount, and the water loss amount may be sequentially switched and displayed. In this case, the display may be switched automatically at a predetermined interval, or the display may be switched every time a predetermined operation input such as pressing the left and right keys 102a and 102b is performed.
  • FIG. 9 is a view showing the appearance of the in-vivo moisture meter 100 according to the third embodiment.
  • the same components as those in the first embodiment (1A in FIG. 1) are denoted by the same reference numerals.
  • various calculation results are displayed on the display unit 103 together with a moisture content measurement result display 1031 and a moisture shortage calculation result display 1032.
  • 1051 is a calculation result display of the sodium deficiency
  • 1052 is a calculation result display of the amount of salt to be ingested (hereinafter referred to as salt requirement)
  • 1053 is a calculation result display in which the salt requirement is converted into the intake of a predetermined food. .
  • the calculation result displays 1032 and 1051 to 1053 are calculated using parameters input by operating the switch 102 (described later).
  • the battery display unit 1033 notifies the user of the remaining amount of the battery (the power supply unit 211 in FIG. 2).
  • the display unit 103 displays “E” to notify the user to that effect.
  • the functional configuration and measurement circuit of the moisture meter 100 in the third embodiment are the same as those in the first embodiment (FIGS. 2 and 3).
  • the in-vivo moisture meter 100 of the third embodiment by displaying the calculated in-body moisture amount, the calculated insufficient in-water amount, the inadequate Na amount, and the necessary salt amount, the user can select an appropriate amount from the measured in-body water amount. Assist in making decisions and taking actions.
  • parameters used by the in-vivo moisture meter 100 of the present embodiment to calculate a deficiency amount of water, a deficiency amount of sodium, and a necessary amount of salt, and calculation methods thereof will be described.
  • a reference value representing the normal state of the subject and a state value representing the state at the time of measurement are used as parameters.
  • the reference value for example, normal body weight (BWN) is used.
  • BWN body weight
  • Na serum sodium concentration
  • FIG. 10 is a flowchart for explaining parameter setting processing for indicating the condition of the subject for calculating the amount of moisture in the body and the amount of sodium deficiency in the moisture meter 100 in the body.
  • 11A in FIG. 11 is a display example when setting the parameters of the moisture meter 100 in the body
  • 11B in FIG. 11 is a diagram showing an example of parameter storage in the memory 203 (configuration example of the parameter table).
  • a parameter setting method in the moisture meter 100 in the body according to the third embodiment will be described with reference to FIGS.
  • the parameter setting input process shown in FIG. 10 is activated in response to a long press of either the up / down key 102c or 102d.
  • an instruction frame 1501 for instructing parameter items is displayed in step S1401, as indicated by 11A in FIG.
  • the control unit 201 determines whether there is an input from the left key 102a or the right key 102b. If any of the left and right keys has been input, the process proceeds to step S1403.
  • step S1403 the control unit 201 moves the instruction frame 1501 in the order of BW ⁇ Na ⁇ BWN when the right key 102b is input, and in the reverse order when the left key 102a is input.
  • step S1404 the control unit 201 determines whether or not the enter key 102e has been pressed.
  • steps S1402 to S1404 are repeated until it is determined that the enter key 102e has been pressed.
  • the value currently set for the indicated parameter type may be displayed on the 7-segment display 1502 of the calculation result display 1032 in accordance with the movement of the instruction frame 1501.
  • step S1404 If it is determined in step S1404 that the enter key 102e has been pressed, the process advances to step S1405, and the control unit 201 determines the parameter type indicated by the instruction frame 1501 at that time as an input item. That is, when the user moves the instruction frame 1501 to a desired parameter type and then presses the enter key 102e, the input item is confirmed, and a value for the desired parameter type can be set and input.
  • step S1406 the control unit 201 displays the current value set for the designated parameter type on the 7-segment display 1502 of the calculation result display 1032.
  • the current value can be acquired from a parameter table described later using 11B in FIG. If the current value is not set, zero is displayed.
  • step S1407 the control unit 201 determines whether any of the up and down keys 102c and 102d has been pressed. If it is determined that either the up / down key 102c or 102d has been pressed, the process advances to step S1408.
  • the control unit 201 increases the current value when the up key 102c is pressed, and decreases the current value when the down key 102d is pressed. The increased / decreased value is displayed on the 7-segment display 1502.
  • step S1409 the control unit 201 determines whether or not the enter key 102e has been pressed.
  • step S1409 If it is determined in step S1409 that the enter key 102e has been pressed, the process proceeds to step S1410.
  • step S ⁇ b> 1410 the control unit 201 determines the current value at that time as the parameter type value determined in step S ⁇ b> 1405, and stores it in the memory 203.
  • step S1411 the control unit 201 calculates the deficiency of moisture using the above-described calculation method, and records the value as a “calculation value of deficiency of moisture” in the parameter table held in the memory 203.
  • control for prompting input of parameters necessary for calculation may be performed. For example, when the input value of serum sodium concentration (Na) is determined, the current body weight (BW) value is also required to calculate the sodium deficiency.
  • Na serum sodium concentration
  • BW current body weight
  • the 7-segment display 502 is displayed as “--.-” to calculate the amount of sodium deficiency.
  • the user may be informed that there are no parameters for. Further, in such a case, the instruction frame 501 may be automatically moved to BW, the process may be returned to step S1406, and the user may be prompted to input a weight value.
  • 11B in FIG. 11 is a diagram illustrating a configuration example of a parameter table held in the memory 203.
  • the parameter table a plurality of types of parameters that can be used in the above-described calculation method for calculating the moisture deficiency and the sodium deficiency are recorded.
  • the control unit 201 records the determined value as an “input value” at the position of the corresponding parameter type. Further, the control unit 201 acquires the time when the input value is recorded from the time measuring unit 224 and records this in the “input time” column. Further, a validity period is set for each parameter type, and the control unit 201 determines the validity period by adding the validity period to the “input time” and records it in the corresponding column of the parameter table.
  • the effective period of the reference value is several months, and the effective period of the state value is about several hours. At least the effective period of the reference value is set longer than the effective period of the state value.
  • the reference value may be set indefinitely. Further, although there are a plurality of types of parameters for the state value, different valid periods may be set for each type.
  • the control unit 201 records the calculated value of the moisture deficiency and the calculated value of the sodium deficiency in the corresponding columns of the parameter table.
  • step S1601 the control unit 201 detects a measurement start instruction.
  • the state of the measurement switch 214 is monitored, and it is determined that the measurement start instruction has been detected when the measurement switch 214 remains on for 2 seconds or longer.
  • the control unit 201 calculates the moisture content in the body of the subject by measuring the frequency of the oscillation signal from the measurement circuit 221.
  • step S1603 the control unit 201 displays the body water content obtained in step S1602 on the measurement result display 1031.
  • step S1604 the control unit 201 determines whether or not the subject is dehydrated based on whether or not the amount of water in the body estimated in step S1602 exceeds a predetermined threshold.
  • the threshold value in this case is preferably a value corresponding to 25% when water is 100% and air is 0%.
  • step S 1605 the control unit 201 obtains the moisture shortage amount, the calculated value of the sodium shortage amount, and the expiration date of each parameter table recorded in the parameter table.
  • step S1606 the control unit 201 determines whether or not all parameters are valid by comparing the acquired expiration date with the current date and time obtained from the timing unit 224.
  • step S1606 the control unit 201 displays the deficiency of water acquired in step S1605 on the calculation result display 1032.
  • step S1608 the control unit 201 displays the sodium deficiency acquired in step S1605 on the calculation result display 1051.
  • step S1609 the control unit 201 calculates a necessary amount of salt from the sodium deficiency, and in step S1610, converts the necessary amount of salt into a predetermined amount of food intake, and displays calculation results 1052, 1053. To display these.
  • step S1610 converts the necessary amount of salt into a predetermined amount of food intake
  • the measurement result display 1031 displays the water content
  • the calculation result displays 1032 and 1051 to 1053 display the water shortage, sodium shortage, salt requirement, and food intake.
  • An example is shown.
  • the frame display 1034 clearly indicates that the calculation result display 1032 displays the amount of water shortage
  • the frame display 1035 clearly indicates that the unit is liters (L).
  • step S1610 for example, “the number of pickled plums” is used as the quantity of food. Since umeboshi contains about 3 g of salt per piece, the value obtained by dividing the required amount of salt (g) by 3 is the number of umeboshi to be ingested. In the calculation result display unit 1036, the intake is indicated by the number of highlighted illustrations of plum dried so that the user can intuitively recognize. Of course, you may make it instruct
  • step S1606 determines whether at least one of the parameters is valid. If it is determined in step S1606 that at least one of the parameters is not valid, the process proceeds from step S1606 to step S1611.
  • step S1611 the control unit 201 displays on the calculation result displays 1032 and 1051 to 1053 that the moisture deficiency amount, the sodium deficiency amount, and the like could not be calculated. For example, by displaying “--.-” in the calculation result displays 1032, 1051 to 1053, the user is informed that the calculation of the moisture deficiency cannot be performed. Thus, when it is determined that the parameter or the calculation result held in the parameter table is invalid, the display of the moisture deficiency amount, the sodium deficiency amount, or the like on the display 103 is prohibited.
  • the calculation result display 1036 indicates the quantity obtained by converting the required salt amount into the pickled plum, it is needless to say that the present invention is not limited to this. Further, the user may be able to select a desired food from a plurality of types of food. In that case, the display will be in the form of “[specified food name] [quantity]”. For example, when plum dried is selected and it is determined that three plum dried are necessary based on the required amount of salt, “[Plum dried] is [3]” is displayed.
  • the moisture content of the subject can be known, and the moisture deficiency amount, the sodium deficiency amount, and the salt requirement amount can be known, and should be taken for that purpose. Know the quantity of food. Therefore, the user can conveniently determine the hydration amount and salt intake (food and its quantity) necessary for the subject. Further, since it is configured to display the deficient amount of water when it is determined by measurement of the amount of water that it is dehydrated, it is possible to immediately know whether or not the subject is dehydrated. In addition, since the expiration date is set for the parameter used for calculating the moisture deficiency, the reliable moisture deficiency can be displayed.
  • the calculated values of the moisture deficiency and sodium deficiency are calculated and stored in the parameter table when the parameters are input, but the present invention is not limited to this.
  • the calculation of the moisture deficiency and the sodium deficiency may be performed at the timing of each display, for example, the timing of S1607 and S1608. In this case, in S1605, parameters registered in the parameter table and their expiration dates are acquired. If it is determined in step S1606 that these parameters are valid, the control unit 201 calculates and displays the moisture deficiency and sodium deficiency in steps S1607 and S1608. In short, it is only necessary to display a deficiency of water, a deficiency of sodium, and a required amount of salt calculated by effective parameters.
  • the determination in step S1606 is to determine whether or not the parameter stored in the parameter table or the calculated value of the moisture deficiency or sodium deficiency is valid based on the elapsed time since the parameter was input. . Further, the food quantity calculated in step S1610 may be calculated in step S1411 and registered in the parameter table.
  • the amount of water shortage or the amount of sodium shortage is displayed.
  • the display is intended to avoid confusion of the user. Therefore, for the purpose of prevention, it may be possible to display the moisture deficit amount, the sodium deficiency amount, the salt requirement amount, etc. from a state close to the dehydration state to prompt the subject to replenish water or salt. This can be realized by increasing the determination threshold of the amount of water in step S1604 in FIG. Or you may make it perform display processing, such as a water shortage amount and sodium shortage amount after step S1605, without performing determination of step S1604.
  • the display form is not limited to this.
  • the amount of water, the amount of water shortage, the amount of sodium shortage, the amount of salt required, and the amount of food intake may be alternately switched and displayed.
  • the display may be switched automatically at a predetermined interval, or the display may be switched every time a predetermined operation input such as pressing the left and right keys 102a and 102b is performed.
  • the display of the water deficiency amount may be omitted.
  • the amount of food to be ingested may be displayed together with the measurement result of the amount of water, omitting the sodium deficiency or salt requirement.
  • the parameter setting using the switch 102 in each of the above embodiments may be set in the moisture meter 100 in the body via an external device such as a personal computer via a predetermined communication medium such as a USB.

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  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Abstract

L'invention concerne un dispositif de mesure d'humidité corporelle qui comprend une unité d'entrée pour entrer un paramètre indicatif de l'état dans le corps d'un sujet. Dans le dispositif de mesure d'humidité corporelle, le paramètre entré au niveau de l'unité d'entrée est conservé dans une mémoire, et le dispositif de mesure d'humidité corporelle utilise le paramètre conservé pour calculer une quantité d'état corporel par rapport à la quantité d'humidité dans le corps. Le dispositif de mesure d'humidité corporelle mesure la quantité d'humidité chez le sujet, et affiche la quantité d'humidité mesurée sur une unité d'affichage. A cet instant, la quantité d'état corporel calculée est également affichée sur l'unité d'affichage.
PCT/JP2012/004701 2011-08-12 2012-07-24 Dispositif de mesure d'humidité corporelle et son procédé de commande d'affichage WO2013024567A1 (fr)

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JP2021051786A (ja) * 2020-12-21 2021-04-01 カゴメ株式会社 野菜摂取量改善システム、野菜摂取食データベース、及び野菜摂取量改善プログラム
WO2023073750A1 (fr) * 2021-10-25 2023-05-04 日本電信電話株式会社 Dispositif d'estimation de symptômes de déshydratation, méthode d'estimation et programme

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JP2002045346A (ja) * 2000-08-01 2002-02-12 Tanita Corp 多周波生体インピーダンス測定による体水分量状態判定装置
JP2002112976A (ja) * 2000-08-04 2002-04-16 Tanita Corp 体重管理装置
JP2005218582A (ja) * 2004-02-04 2005-08-18 Yamato Scale Co Ltd 健康状態判定装置および健康状態判定用プログラム
JP2009511217A (ja) * 2005-10-21 2009-03-19 スクラバル，ファルコ 身体の機能および状態の電気的測定のための装置およびプロセス

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021051786A (ja) * 2020-12-21 2021-04-01 カゴメ株式会社 野菜摂取量改善システム、野菜摂取食データベース、及び野菜摂取量改善プログラム
JP7106196B2 (ja) 2020-12-21 2022-07-26 カゴメ株式会社 野菜摂取量改善システム、野菜摂取食データベース、及び野菜摂取量改善プログラム
WO2023073750A1 (fr) * 2021-10-25 2023-05-04 日本電信電話株式会社 Dispositif d'estimation de symptômes de déshydratation, méthode d'estimation et programme

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