JP5662284B2 - Body composition measuring device - Google Patents

Description

  The present invention relates to a body composition measuring apparatus that calculates a body composition based on a voltage value of a current flowing through a limb and a trunk.

  The thing of patent document 1 is known as said body composition measuring apparatus. This body composition measuring apparatus provides a user with a body composition reflecting the body composition of arms and trunks as body limbs as a measurement result.

JP 2003-159227 A

  The body composition measuring apparatus measures one voltage value with a voltage electrode as a voltage value of a current flowing through an arm and a trunk, and calculates a body composition based on the voltage value. For this reason, the measurement result in which the body composition of the trunk out of the body composition of the limbs and the body composition of the trunk is relatively largely reflected cannot be provided to the user.

  The objective of this invention is providing the body composition measuring apparatus which can provide a user with the measurement result in which the body composition of the trunk was reflected relatively large.

  [1] A body composition measuring apparatus according to an aspect of the present invention is a body composition measuring apparatus that calculates a body composition based on a voltage value of a current flowing through a limb and a trunk, with a predetermined part of the limb. A first voltage value which is a voltage value of a current flowing through a certain limb part and a first trunk part which is a predetermined part of the trunk; and the limb part and the trunk Based on a body voltage value that is a difference from a second voltage value that is a voltage value of a current flowing through a second trunk part that is a part different from the first trunk part, the body fat mass that is the body composition is determined. calculate.
  [2] One form of the body composition measuring apparatus is the body voltage based on the first voltage value and the second voltage value measured based on a current flowing through the right limb which is the limb of the right half body. A right body voltage value that is a value, and the body voltage value based on the first voltage value and the second voltage value measured based on a current flowing through the left limb that is the limb of the left half A left body voltage value is calculated, and the body fat mass is calculated based on the right body voltage value and the left body voltage value.
  [3] One form of the body composition measuring apparatus calculates the body fat mass based on an average value of the right body voltage value and the left body voltage value.
  [4] One form of the body composition measuring apparatus includes a current electrode A, a current electrode B, and a current electrode C, and a voltage electrode A, a voltage electrode B, and a voltage electrode C, and the current electrode A, The positional relationship among the current electrode B, the voltage electrode A, and the voltage electrode B is fixed, and the current electrode A, the current electrode B, the voltage electrode A, and the voltage electrode B and the current electrode are fixed. C and the positional relationship between the voltage electrode C can be changed, and one of the first voltage value and the second voltage value is measured by the voltage electrode A and the voltage electrode B, and the first voltage value and The other of the second voltage values is measured by one of the voltage electrode A and the voltage electrode B and the voltage electrode C.
  [5] One form of the body composition measuring apparatus further includes a current electrode D and a voltage electrode D, and the positional relationship between the current electrode C, the current electrode D, the voltage electrode C, and the voltage electrode D. Is fixed, and the position of the current electrode A, the current electrode B, the voltage electrode A, and the voltage electrode B and the current electrode C, the current electrode D, the voltage electrode C, and the voltage electrode D A relationship is changeable, and one of the first voltage value and the second voltage value is measured by the voltage electrode A and the voltage electrode B based on a current flowing through the right limb, and the first voltage value The other of the value and the second voltage value is measured by one of the voltage electrode A and the voltage electrode B and one of the voltage electrode C and the voltage electrode D based on the current flowing through the right limb, A first voltage value and One of the second voltage values is measured by the voltage electrode C and the voltage electrode D based on the current flowing through the left limb, and the other of the first voltage value and the second voltage value is the left voltage. It is measured by one of the voltage electrode C and the voltage electrode D and one of the voltage electrode A and the voltage electrode B based on the current flowing through the limb.
  [6] One form of the body composition measuring apparatus is the first measurement unit including the current electrode A, the current electrode B, the voltage electrode A, and the voltage electrode B, and the first measurement unit separately. And a second measurement unit that includes the current electrode C and the voltage electrode C.
  [7] In one form of the body composition measuring apparatus, the second measuring unit further includes the current electrode D and the voltage electrode D.
  [8] In one form of the body composition measuring apparatus, the first measuring unit includes a first gripping unit including the current electrode A and the voltage electrode A, and a first gripping unit including the current electrode B and the voltage electrode B. A main body part; the second measurement unit further comprises a second grip part and a second main body part; and the current electrode C and the voltage electrode C are included in one of the second grip part and the second main body part. It is.
  [9] In one form of the body composition measuring apparatus, the current electrode D and the voltage electrode D are included in the other of the second grip portion and the second main body portion.
  [10] In one form of the body composition measurement apparatus, at least one of the first measurement unit and the second measurement unit is a handheld unit, and includes an operation unit that can be operated in a gripped state.
  [11] One form of the body composition measuring apparatus further includes a mark mechanism for aligning the height of the first measuring unit and the height of the second measuring unit when the body voltage value is measured.
  [12] One form of the body composition measuring apparatus further includes a support member that connects the first measurement unit and the second measurement unit to each other and has a function of the mark mechanism.

  According to one form of the body composition measuring apparatus according to the present invention, a measurement result in which the body composition of the trunk is relatively reflected can be provided to the user.

1 is a block diagram of a body composition measuring apparatus according to an embodiment. 1 is a front view of a body composition measuring apparatus according to an embodiment. (A) is an operation | movement figure in case a right body 1st voltage value is measured, (b) is a right body first It is an operation figure in case two voltage values are measured. (A) is an operation | movement diagram in case a left body 1st voltage value is measured, (b) is a left body first It is an operation figure in case two voltage values are measured. These are operation | movement diagrams in case a body composition is measured by the body composition measuring apparatus of a modification. These are operation | movement diagrams in case a body composition is measured by the body composition measuring apparatus of a modification. These are operation | movement diagrams in case a body composition is measured by the body composition measuring apparatus of a modification. These are the front views of the body composition measuring apparatus of a modification. These are operation | movement diagrams in case a body composition is measured by the body composition measuring apparatus of FIG.

With reference to FIG. 1, the structure of the body composition measuring apparatus 1 is demonstrated.
The body composition measurement apparatus 1 includes a first measurement unit 10 and a second measurement unit 20 configured to be individually gripped, and a cable C that connects the first measurement unit 10 and the second measurement unit 20 to each other. Yes. Also, a measurement unit 30 that measures the volume of body fat as a body composition, an operation unit 60 that is used to input information necessary for measurement of body fat, a display unit 70 that presents various information to the user, and a measurement And a control unit 80 that performs calculation using the measurement result of the unit 30.

  The measuring unit 30 measures the voltage value of the first current electrode 41, the second current electrode 42, the third current electrode 43, the fourth current electrode 44, and the current flowing through the measurement object. A first voltage electrode 51, a second voltage electrode 52, a third voltage electrode 53, and a fourth voltage electrode 54 are provided.

  The first current electrode 41 corresponds to “current electrode A”, the second current electrode 42 corresponds to “current electrode B”, the fourth current electrode 44 corresponds to “current electrode C”, and the third current The electrode 43 corresponds to the “current electrode D”. The first voltage electrode 51 corresponds to “voltage electrode A”, the second voltage electrode 52 corresponds to “voltage electrode B”, the fourth voltage electrode 54 corresponds to “voltage electrode C”, and the third voltage The electrode 53 corresponds to the “voltage electrode D”.

  The first measurement unit 10 includes a first current electrode 41, a second current electrode 42, a first voltage electrode 51, a second voltage electrode 52, and an operation unit 60. Each electrode 41, 42, 51, 52 constitutes the first measurement unit 31.

  The second measurement unit 20 includes a third current electrode 43, a fourth current electrode 44, a third voltage electrode 53, a fourth voltage electrode 54, and a display unit 70. Each electrode 43, 44, 53, 54 constitutes the second measurement unit 32.

  The control unit 80 includes a first control unit 81 provided in the first measurement unit 10 and a second control unit 82 provided in the second measurement unit 20. The first control unit 81 and the second control unit 82 transmit and receive signals via the cable C. The first control unit 81 is connected to the electrodes 41, 42, 51, 52 and the operation unit 60 that constitute the first measurement unit 31. The second control unit 82 is connected to the electrodes 43, 44, 53, 54 and the display unit 70 that constitute the second measurement unit 32.

  When the control unit 80 receives a signal for starting measurement of body fat by the operation of the operation unit 60 by the user, the control unit 80 selects two electrodes among the four current electrodes 41 to 44, and selects between the selected electrodes. Start supplying current at. Then, the volume of body fat is calculated based on the voltage value measured by two voltage electrodes of the four voltage electrodes 51 to 54 and various information input via the operation unit 60, and the calculated result Is displayed on the display unit 70 as a numerical value. In addition, as various information input by the operation part 60, a user's height, weight, age, sex, etc. are mentioned.

The structure of the body composition measuring apparatus 1 will be described with reference to FIG.
The first measurement unit 10 includes a first grip 11 for gripping with the right hand, a block-shaped first main body 12 provided with an operation unit 60, and a built-in power source (not shown). The first grip 11 is provided with a first current electrode 41 and a first voltage electrode 51. In the first main body 12, the second current electrode 42 and the second voltage electrode 52 are provided on the first electrode surface 13 located on the opposite side to the surface on which the first gripping portion 11 is attached. In addition, as an electrode material, what carried out the metal plating process of the SUS and the resin material surface is used.

  The second measurement unit 20 includes a second grip part 21 for gripping with the left hand, a block-shaped second main body part 22 provided with a display part 70, and a built-in power source (not shown). The second grip portion 21 is provided with a third current electrode 43 and a third voltage electrode 53. In the second main body 22, a fourth current electrode 44 and a fourth voltage electrode 54 are provided on the second electrode surface 23 located on the opposite side to the surface on which the second gripping portion 21 is attached.

  A procedure for measuring body fat using the body composition measuring apparatus 1 will be described with reference to FIGS. The hatched circles in FIGS. 3 and 4 indicate the current electrodes 41 to 44 and the voltage electrodes 51 to 54. The right arm corresponds to the “right limb” and the left arm corresponds to the “left limb”. Further, the right hand HR and the left hand HL correspond to “limb parts”. The right flank AR corresponds to a “first trunk portion”, and the left flank AL corresponds to a “second trunk portion”.

With reference to FIG. 3, the preparation for the measurement performed by the user will be described.
(Preparation procedure 1) The user holds the first gripping part 11 of the first measuring unit 10 with the right hand HR so that the current electrodes 41 and 42 are positioned below the voltage electrodes 51 and 52, respectively. 1 The measurement unit 10 is brought into contact with the right flank AR. At this time, the first current electrode 41 and the first voltage electrode 51 of the first measurement unit 10 are in contact with the right hand HR, and the second current electrode 42 and the second voltage electrode 52 of the first measurement unit 10 are in the right flank AR. A state of contact with is obtained.

  (Preparation procedure 2) The user holds the second gripping part 21 of the second measurement unit 20 with the left hand HL so that the current electrodes 43 and 44 are positioned below the voltage electrodes 53 and 54, respectively. 2 The measurement unit 20 is brought into contact with the right flank AR. At this time, the third current electrode 43 and the third voltage electrode 53 of the second measurement unit 20 are in contact with the left hand HL, and the fourth current electrode 44 and the fourth voltage electrode 54 of the second measurement unit 20 are on the left flank AL. A state of contact with is obtained.

  (Preparation procedure 3) The user visually observes the position in the height direction of the first measurement unit 10 with respect to the trunk and the position in the height direction of the second measurement unit 20 with respect to the trunk. To adjust the position of each measurement unit 10, 20.

  (Preparation procedure 4) The user presses the measurement button of the measurement unit 30 with the finger of the right hand HR while holding the grip unit 11 of the first measurement unit 10. Thereby, a start signal for starting the measurement of the body composition, that is, a start signal for starting the supply of the current and the measurement of the voltage value is transmitted to the control unit 80.

With reference to FIG. 3, the flow of measurement of a body composition is demonstrated.
When the control unit 80 receives the start signal transmitted in response to the operation of the measurement button of the measurement unit 30, the control unit 80 transmits a command signal for starting supply of current and measurement of the voltage value to the measurement unit 30. Thereby, the measurement of the body composition by the measurement part 30 is started.

  When the measurement of the body composition is started, current flows through the right arm or the left arm and the trunk of the body to be measured, as indicated by the bold line in the figure. The voltage of this current shows different magnitudes depending on the body composition of the body to be measured, that is, the respective impedances of subcutaneous fat, visceral fat, and muscle.

Specifically, the body composition is calculated by the following procedure.
(Measurement Procedure 1) As shown in FIG. 3A, a current flows through the first current electrode 41 that contacts the right hand HR and the fourth current electrode 44 that contacts the left flank AL. At this time, the first voltage electrode 51 in contact with the right hand HR and the fourth voltage electrode 54 in contact with the left flank AL are used to measure the voltage value of the current flowing between these voltage electrodes 51 and 54 (hereinafter referred to as “right body first”). 1 voltage value ") is measured.

  (Measurement Procedure 2) As shown in FIG. 3B, a current flows through the first current electrode 41 that contacts the right hand HR and the second current electrode 42 that contacts the right flank AR. At this time, the first voltage electrode 51 that contacts the right hand HR and the second voltage electrode 52 that contacts the right flank AR cause the voltage value of the current flowing between these voltage electrodes 51 and 52 (hereinafter, “right body first”). 2 voltage values ") are measured.

  (Measurement Procedure 3) As shown in FIG. 4A, current flows through the third current electrode 43 that contacts the left hand HL and the second current electrode 42 that contacts the right flank AR. At this time, the voltage value of the current flowing between the voltage electrodes 53 and 52 (hereinafter referred to as “left body first”) is caused by the third voltage electrode 53 in contact with the left hand HL and the second voltage electrode 52 in contact with the right flank AR. 1 voltage value ") is measured.

  (Measurement Procedure 4) As shown in FIG. 4B, a current flows through the third current electrode 43 in contact with the left hand HL and the fourth current electrode 44 in contact with the left flank AL. At this time, the third voltage electrode 53 in contact with the left hand HL and the fourth voltage electrode 54 in contact with the left flank AL have a voltage value of current flowing between these voltage electrodes 53 and 54 (hereinafter referred to as “left body first”). 2 voltage values ") are measured.

  (Measurement procedure 5) A value obtained by subtracting the right body second voltage value from the right body first voltage value is calculated as the right body voltage value. Also, a value obtained by subtracting the left body second voltage value from the left body first voltage value is calculated as the left body voltage value. Based on the average value of the right body voltage value and the left body voltage value, various information input via the operation unit 60, and a preset algorithm for calculating body fat, the volume of body fat is calculated. Calculate. Further, the volume of body fat as the calculation result is displayed on the display unit 70 as a numerical value.

  The right body first voltage value corresponds to “a first voltage value measured based on a current flowing through the right limb”. The right body second voltage value corresponds to “a second voltage value measured based on a current flowing through the right limb”. The left body first voltage value corresponds to a “first voltage value measured based on a current flowing through the left limb”. The left body second voltage value corresponds to “a second voltage value measured based on a current flowing through the left limb”.

(Effect of embodiment)
According to the body composition measuring apparatus 1 of the present embodiment, the following effects can be obtained.
(1) The right body first voltage value and the left body first voltage value correspond to the voltage values of the current that crosses the arm and the trunk diagonally. The right body second voltage value and the left body second voltage value correspond to voltage values of currents that vertically traverse the arm and trunk. Therefore, the right body voltage value, which is the difference between the right body first voltage value and the right body second voltage value, and the left body voltage value, which is the difference between the left body first voltage value and the left body second voltage value. Each reflects the body composition of the central part of the trunk.

  The body composition measuring apparatus 1 pays attention to this point and calculates the body fat mass as the body composition based on the right body voltage value and the left body voltage value. According to this structure, the measurement result in which the body composition of the trunk is reflected relatively large can be provided to the user. Moreover, since the influence of the subcutaneous fat of the limbs on the body fat mass is reduced, the visceral fat mass included in the body fat mass can be calculated with high accuracy.

  (2) The body composition measuring apparatus 1 calculates the body composition based on the average value of the right body voltage value and the left body voltage value. According to this configuration, the calculation accuracy of the body composition is higher than the configuration in which the body composition is calculated based on one of the right body voltage value and the left body voltage value.

  (3) The body composition measurement apparatus 1 includes a first measurement unit 10 and a second measurement unit 20 that are individually configured. The first measurement unit 10 includes a first current electrode 41, a second current electrode 42, a first voltage electrode 51, and a second voltage electrode 52. The second measurement unit 20 includes a third current electrode 43, a fourth current electrode 44, a third voltage electrode 53, and a fourth voltage electrode 54. According to this configuration, the body composition is measured in a state where the first measurement unit 10 is in contact with the right hand HR and the right flank AR, and in a state where the second measurement unit 20 is in contact with the left hand HL and the left flank AL. Can do. For this reason, when measuring the body composition, the measurement result of the body composition can be obtained without changing the positions of the measurement units 10 and 20 with respect to the trunk.

  (4) The first measurement unit 10 includes a first grip 11 and a first main body 12. Further, the first gripping part 11 includes a first current electrode 41 and a first voltage electrode 51. The first main body 12 includes a second current electrode 42 and a second voltage electrode 52. The second measurement unit 20 includes a second grip 21 and a second main body 22. The second gripping part 21 includes a third current electrode 43 and a third voltage electrode 53. The second body portion 22 includes a fourth current electrode 44 and a fourth voltage electrode 54. According to this configuration, the user can bring the electrode surfaces 13 and 23 into contact with the flank in a state where the grip portions 11 and 21 are gripped by the right hand HR and the left hand HL, respectively. That is, when measuring the body composition, there is no need to perform operations such as attaching electrodes to the body. For this reason, the user can measure the body composition by one person.

  (5) The 1st measurement unit 10 is provided with the operation part 60 which can be operated in the state hold | gripped by the user. According to this structure, when a user measures a body composition, a measurement button can be operated easily.

  (6) The body composition measuring apparatus 1 measures a voltage value in the state where each current electrode 41-44 is located below each voltage electrode 51-54. According to this configuration, since the voltage electrodes 51 to 54 are located on the current flow path, the right body first voltage value, the right body second voltage value, the left body first voltage value, and the left body second voltage. The value can be calculated with high accuracy.

(Other embodiments)
The embodiment of the present invention is not limited to the above embodiment, and can be modified as shown below, for example. The following modifications are not applied only to the above-described embodiment, and different modifications can be combined with each other.

  In the above embodiment (FIG. 3), the arrangement of the first measurement unit 10 and the second measurement unit 20 when measuring the body composition may be changed to any of the following arrangements (A) to (D). it can. 5 to 7 show cross sections of the trunk that passes through the umbilicus of the abdomen of the body to be measured and is parallel to the horizontal direction.

  (A) As shown in FIG. 5, the first measurement unit 10 is disposed on the abdomen center side of the right half of the body rather than the right flank AR. In addition, the second measurement unit 20 is arranged on the back half center side of the left side of the left flank AL in the left body.

  (B) As shown in FIG. 6, the first measurement unit 10 is arranged on the right side of the body on the abdomen center side with respect to the right flank AR. In addition, the second measurement unit 20 is arranged on the left side of the abdomen center side of the left flank AL.

  (C) As shown in FIG. 7, the center of the first measurement unit 10 is arranged at the boundary between the right half body and the left half body in the abdomen. Further, the center of the second measurement unit 20 is arranged at the boundary between the right half body and the left half body at the back.

  (D) Both the second current electrode 42 and the second voltage electrode 52 of the first measurement unit 10 and the fourth current electrode 44 and the second voltage electrode 52 of the second measurement unit 20 are arranged on the right half or the left half. .

  In the above embodiment (FIG. 3), the second current electrode 42 and the second voltage electrode 52 of the first measurement unit 10 are in contact with the right flank AR. Each electrode 42 and 52 can also be made to contact a lower part.

  In the above embodiment (FIG. 3), the second current electrode 42 and the second voltage electrode 52 of the first measurement unit 10 can be brought into contact with the right leg. Even in this case, the influence of the body composition of the arms and legs on the body composition of the trunk can be reduced by subtracting the right body second voltage value from the right body first voltage value. For this reason, the measurement result in which the body composition of the trunk is reflected relatively large can be provided to the user as in the above embodiment.

  In the above embodiment (FIG. 3), the fourth current electrode 44 and the fourth voltage electrode 54 of the second measurement unit 20 are in contact with the left flank AL. The electrodes 44 and 54 can be brought into contact with the lower portion.

  -In the said embodiment (FIG. 3), the 4th current electrode 44 and the 4th voltage electrode 54 of the 2nd measurement unit 20 can also be made to contact a left leg. Even in this case, the influence of the body composition of the arms and legs on the body composition of the trunk can be reduced by subtracting the left body second voltage value from the left body first voltage value. For this reason, the measurement result in which the body composition of the trunk is reflected relatively large can be provided to the user as in the above embodiment.

  In the above embodiment (FIG. 3), the electrodes 41, 42, 52, and 54 are brought into contact with the right hand HR and the left hand HL as limb parts, but each electrode 41, 42 with a part of the arm as a limb part. , 52, 54 can be brought into contact with each other. Moreover, each electrode 41,42,52,54 can also be made to contact a leg by making a part of leg into a limb part.

  -In the said embodiment (FIG. 3), although the procedure which measures a body composition in the state in which each current electrode 41-44 was located under each voltage electrode 51-54, each current electrode 41-44 and The body composition can also be measured in a state where the voltage electrodes 51 to 54 are positioned in the horizontal direction.

  In the above embodiment (FIG. 2), the body composition measuring apparatus 1 is configured as an apparatus in which the first measuring unit 10 and the second measuring unit 20 are connected to each other by the cable C. However, the body composition measuring apparatus of FIG. It is also possible to change the way of connecting the units as in 90.

  The body composition measuring apparatus 90 shown in FIG. 8 is provided with a support member 91 that connects the first measurement unit 10 and the second measurement unit 20 to each other. The support member 91 is provided with a main body 92 that includes an operation unit 60 and a display unit 70. The main body 92 is provided with a marker 93 for corresponding to the navel. The support member 91 corresponds to a “marking mechanism”.

With reference to FIG. 9, the preparation for the measurement in the case of measuring a body composition using the body composition measuring apparatus 90 will be described.
The user aligns the marker 93 with the umbilicus position in a state where the grip portion 11 of the first measurement unit 10 is gripped with the right hand HR and in a state where the grip portion 21 of the second measurement unit 20 is gripped with the left hand HL. Next, the second current electrode 42 and the second voltage electrode 52 of the first measurement unit 10 are brought into contact with the right flank AR. Further, the fourth current electrode 44 and the fourth voltage electrode 54 of the second measurement unit 20 are brought into contact with the left flank AL. And the inclination degree of the supporting member 91 with respect to a trunk is confirmed visually, and the position of the height direction of the 1st measurement unit 10 with respect to a trunk and the position of the height direction of the 2nd measurement unit 20 are arrange | equalized.

-In the said modification, a horizontal indicator can be provided in the supporting member 91 or the main-body part 92, and the height of each measurement unit 10 and 20 can also be arrange | equalized using this horizontal indicator.
In the above embodiment (FIG. 3), a measurement procedure for visually aligning the heights of the first measurement unit 10 and the second measurement unit 20 is adopted, but the first measurement unit 10 and the second measurement unit 20 have a high height. A height sensor can be provided, and the height of each of the measurement units 10 and 20 can be made uniform using this sensor.

  In the above embodiment (FIG. 3), sensors for detecting the positions of the first measurement unit 10 and the second measurement unit 20 with respect to the trunk are provided, and the positions of the measurement units 10 and 20 with respect to the trunk using this sensor Can also be adjusted. In addition, the sensor which detects a position can be comprised by combining a distance sensor, an angle sensor, a contact sensor, etc., for example.

  In the above embodiment (FIG. 1), the second measurement unit 20 can be omitted. In this case, the display unit 70 and the second control unit 82 are provided in the first measurement unit 10. The body composition can be measured by the following procedure.

  That is, in the state where the grip portion of the first measurement unit 10 is gripped with the right hand HR and the second current electrode 42 and the second voltage electrode 52 of the first measurement unit 10 are in contact with the left flank AL, Measure the voltage value. In the state where the right hand HR holds the grip portion of the first measurement unit 10 and the second current electrode 42 and the second voltage electrode 52 of the first measurement unit 10 are in contact with the right flank AR, Measure the voltage value. In the state where the left hand HL grips the grip portion of the first measurement unit 10 and the second current electrode 42 and the second voltage electrode 52 of the first measurement unit 10 are in contact with the right flank AR, Measure the voltage value. In the state where the left hand HL grips the grip portion of the first measurement unit 10 and the second current electrode 42 and the second voltage electrode 52 of the first measurement unit 10 are in contact with the left flank AL, Measure the voltage value.

  -In the said embodiment (FIG. 2), by denting the center part of the 1st electrode surface 13 and the 2nd electrode surface 23, the shape of these surfaces can also be made into a curved shape. In this case, it is preferable to bend each electrode surface 13 and 23 along the body surface.

  In the above embodiment (FIG. 2), a spring may be provided between each electrode 42, 52, 44, 54 and each electrode surface 13, 23. According to this configuration, when the electrodes 42, 52, 44, 54 are brought into contact with the flank, the electrodes 42, 52, 44, 54 are unlikely to be separated from the flank.

  In the above embodiment (FIG. 2), the display unit 70 is provided in the second measurement unit 20, but the display unit 70 may be provided in the first measurement unit 10. Further, instead of or in addition to the display unit 70, a display device separate from the first measurement unit 10 and the second measurement unit 20 may be provided. Note that examples of the separate display device include a weight scale capable of communicating with the body composition measuring device 1 and a monitor of a personal computer.

  In the above embodiment (FIG. 2), the operation unit 60 is provided in the first measurement unit 10, but the operation unit 60 may be provided in the second measurement unit 20. Further, instead of or in addition to the operation unit 60, an operation device separate from the first measurement unit 10 and the second measurement unit 20 may be provided. Note that examples of the separate operation device include a weight scale capable of communicating with the body composition measurement device 1 and an input device of a personal computer.

  In the above embodiment (FIG. 2), the current electrodes 41 to 44 and the voltage electrodes 51 to 54 are provided in the first measurement unit 10 and the second measurement unit 20, but the first measurement unit 10 and the second measurement unit 10 Units can be omitted. In this case, the current electrodes 41 to 44 and the voltage electrodes 51 to 54 are connected to each other by the control unit 80 and a cable. At the time of measuring the body composition, the current electrodes 41 to 44 and the voltage electrodes 51 to 54 are attached to corresponding portions of the right hand HR, the right flank AR, the left hand HL, and the left flank AL.

  In the above embodiment (FIG. 1), an example in which the present invention is applied to the body composition measuring apparatus 1 for measuring a voltage value is shown. However, a voltage value measured by another apparatus is read and this voltage value is read. The present invention can also be applied to a body composition measuring apparatus that calculates a body composition based on the above. In short, the present invention can be applied to any device as long as the device is a body composition measuring device that calculates the body composition based on the voltage value of the current flowing through the limbs and trunk.

  1: Body composition measuring device
  10: First measurement unit
  11: 1st holding part
  12: First body part
  13: First electrode surface
  20: Second measurement unit
  21: Second gripping part
  22: Second body part
  23: Second electrode surface
  30: Measurement unit
  31: 1st measurement part
  32: Second measuring unit
  41: First current electrode (current electrode A)
  42: Second current electrode (current electrode B)
  43: Third current electrode (current electrode D)
  44: Fourth current electrode (current electrode C)
  51: 1st voltage electrode (voltage electrode A)
  52: Second voltage electrode (voltage electrode B)
  53: Third voltage electrode (voltage electrode D)
  54: Fourth voltage electrode (voltage electrode C)
  60: Operation unit
  70: Display section
  80: Control unit
  81: First control unit
  82: Second control unit
  90: Body composition measuring device
  91: Support member (marking mechanism)
  92: Main body
  93: Marker
  C: Cable
  AL: Left flank
  AR: Right flank
  HL: Left hand
  HR: Right hand

Claims (12)

In a body composition measurement device that calculates body composition based on the voltage value of the current flowing through the limbs and trunk,
A first voltage value that is a voltage value of a current flowing through a limb portion that is a predetermined portion of the limb, and a first trunk portion that is a predetermined portion of the trunk; and the limb Based on a body voltage value that is a difference between the portion and a second voltage value that is a voltage value of a current flowing through a second trunk portion that is a portion different from the first trunk portion of the trunk. To calculate the body fat mass which is the body composition
Body composition measuring device.   Calculating the right body voltage value, which is the body voltage value, based on the first voltage value and the second voltage value measured based on the current flowing through the right limb, which is the limb of the right body,
  Calculating the left body voltage value, which is the body voltage value, based on the first voltage value and the second voltage value measured based on the current flowing through the left limb, which is the limb of the left body,
  The body fat mass is calculated based on the right body voltage value and the left body voltage value.
  The body composition measuring apparatus according to claim 1.   The body fat mass is calculated based on an average value of the right body voltage value and the left body voltage value
  The body composition measuring apparatus according to claim 2.   A current electrode A, a current electrode B, and a current electrode C, and a voltage electrode A, a voltage electrode B, and a voltage electrode C;
  The positional relationship between the current electrode A, the current electrode B, the voltage electrode A, and the voltage electrode B is fixed,
  The positional relationship between the current electrode A, the current electrode B, the voltage electrode A, and the voltage electrode B and the current electrode C and the voltage electrode C can be changed.
  One of the first voltage value and the second voltage value is measured by the voltage electrode A and the voltage electrode B;
  The other of the first voltage value and the second voltage value is measured by one of the voltage electrode A and the voltage electrode B and the voltage electrode C.
  The body composition measuring device according to any one of claims 1 to 3.   A current electrode D and a voltage electrode D;
  The positional relationship between the current electrode C, the current electrode D, the voltage electrode C, and the voltage electrode D is fixed,
  The positional relationship between the current electrode A, the current electrode B, the voltage electrode A, and the voltage electrode B and the current electrode C, the current electrode D, the voltage electrode C, and the voltage electrode D can be changed. And
  One of the first voltage value and the second voltage value is measured by the voltage electrode A and the voltage electrode B based on a current flowing through the right limb,
  The other of the first voltage value and the second voltage value is determined by one of the voltage electrode A and the voltage electrode B and one of the voltage electrode C and the voltage electrode D based on the current flowing through the right limb. Measured,
  One of the first voltage value and the second voltage value is measured by the voltage electrode C and the voltage electrode D based on a current flowing through the left limb,
  The other of the first voltage value and the second voltage value is determined by one of the voltage electrode C and the voltage electrode D and one of the voltage electrode A and the voltage electrode B based on a current flowing through the left limb. Measured
  The body composition measuring apparatus according to claim 4 quoting claim 2 or 3.   A first measurement unit comprising the current electrode A, the current electrode B, the voltage electrode A, and the voltage electrode B;
  A second measurement unit configured separately from the first measurement unit and comprising the current electrode C and the voltage electrode C;
  Further comprising
  The body composition measuring apparatus according to claim 4 or 5.   The second measurement unit further includes the current electrode D and the voltage electrode D.
  The body composition measuring apparatus according to claim 6 quoting claim 5.   The first measurement unit further includes a first grip portion including the current electrode A and the voltage electrode A, and a first main body portion including the current electrode B and the voltage electrode B.
  The second measurement unit further includes a second grip portion and a second body portion,
  The current electrode C and the voltage electrode C are included in one of the second grip portion and the second main body portion.
  The body composition measuring apparatus according to claim 6 or 7.   The current electrode D and the voltage electrode D are included in the other of the second grip portion and the second main body portion.
  The body composition measuring device according to claim 8 quoting claim 7.   At least one of the first measurement unit and the second measurement unit is a hand-held unit and includes an operation unit that can be operated in a gripped state.
  The body composition measuring device according to any one of claims 6 to 9.   A mark mechanism for aligning the height of the first measurement unit and the height of the second measurement unit when the body voltage value is measured is further provided.
  The body composition measuring device according to any one of claims 6 to 9.   The first measurement unit and the second measurement unit are connected to each other, and further includes a support member having a function of the mark mechanism.
  The body composition measuring apparatus according to claim 11.

Images