WO2011118678A1 - 体脂肪測定装置 - Google Patents
体脂肪測定装置 Download PDFInfo
- Publication number
- WO2011118678A1 WO2011118678A1 PCT/JP2011/057090 JP2011057090W WO2011118678A1 WO 2011118678 A1 WO2011118678 A1 WO 2011118678A1 JP 2011057090 W JP2011057090 W JP 2011057090W WO 2011118678 A1 WO2011118678 A1 WO 2011118678A1
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- WIPO (PCT)
- Prior art keywords
- electrode
- current application
- body fat
- measurement
- application electrode
- Prior art date
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- 0 [*-]C1CC#CC1 Chemical compound [*-]C1CC#CC1 0.000 description 1
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Classifications
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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
- A61B5/05—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
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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
- A61B5/4872—Body fat
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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
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6823—Trunk, e.g., chest, back, abdomen, hip
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
Definitions
- the present invention relates to a body fat measuring device.
- electrodes are arranged on the circumference of the body 70 to be measured shown in FIG. 5A, and body fat 80 (subcutaneous fat 81 and visceral fat 82) lying on this cross section is measured (for example, see Patent Document 1).
- the body fat 80 is actually distributed three-dimensionally. According to the conventional body fat measuring device, although the measurement result reflecting the body fat in the cross section of FIG. 5A is obtained, it is difficult to accurately measure the body fat volume.
- An object of the present invention is to provide a body fat measuring device that can accurately measure the volume of body fat.
- a body fat measurement device includes a current application electrode pair including a first current application electrode and a second current application electrode, a first voltage measurement electrode, and a second voltage measurement device.
- a voltage measuring electrode pair including electrodes, wherein the current applying electrode pair has a line connecting the first current applying electrode and the second current applying electrode with respect to the body axis of the object to be measured.
- the voltage measurement electrode pair is provided between the first current application electrode and the second current application electrode.
- the first current application electrode is arranged on the left half of the measurement object, and the second current application electrode is arranged on the right half of the measurement object.
- An example of a body fat measurement device includes a plurality of current application electrode pairs, and the current application electrode pair is one of the plurality of current application electrode pairs, and is located at an intermediate position of each current application electrode pair.
- the positions of the plurality of electrode pairs for applying current are determined so that coincides with the navel position of the measurement object.
- An example of a body fat measurement device includes a plurality of pressure measurement electrode pairs arranged along a body axis, and the voltage measurement electrode pair is one of the plurality of pressure measurement electrode pairs.
- the body fat measurement device of an example further includes a third current application electrode, and the first current application electrode and the second current application electrode constitute a current application electrode pair, The current application electrode and the third current application electrode constitute another current application electrode pair.
- the body fat measurement device further includes a movable part for moving the voltage measurement electrode on the body to be measured.
- the body fat measurement device includes a support member attached to the body to be measured, and the current application electrode pair and the voltage measurement electrode pair are supported by the support member.
- the support member includes a belt that is wound around a measurement object to fix the current application electrode pair and the voltage measurement electrode pair to the measurement object.
- the support member includes an arrangement part for removably attaching the current application electrode and the voltage measurement electrode.
- the body fat measurement device is a mark that indicates a reference position corresponding to the umbilicus, the hip bone, or the spine of the measurement object, and is a mark for setting the positions of the current application electrode pair and the voltage measurement electrode pair. Is provided.
- the body fat measurement device includes an arithmetic circuit that calculates the volume of body fat based on the measurement voltage of the voltage measurement electrode pair.
- a display unit for displaying a three-dimensional distribution of body fat based on the measurement voltage of the voltage measurement electrode pair is provided.
- the body fat measurement device includes a current application electrode pair including a first current application electrode and a second current application electrode, a first voltage measurement electrode, and a second voltage measurement.
- a voltage measuring electrode pair including a working electrode and a long support member, wherein the first current applying electrode and the second current applying electrode are inclined with respect to a longitudinal axis of the support member.
- the voltage measurement electrode pair is supported by the support member between the first current application electrode and the second current application electrode.
- the first current application electrode, the second current application electrode, the first voltage measurement electrode, and the second voltage measurement electrode are inclined with respect to the longitudinal axis of the support member. Are aligned on a common straight line.
- the first current application electrode and the second current application electrode are arranged on a first straight line inclined with respect to the longitudinal axis of the support member, and the first voltage measurement electrode The second voltage measuring electrode is disposed on a second straight line that intersects the first straight line.
- the support member is configured to be able to fix the body fat measurement device to the body to be measured, and when the visceral fat measurement device is fixed to the body to be measured by the support member, the first current application The current application electrode pair is positioned on the support member such that a line connecting the application electrode and the second current application electrode is inclined with respect to the body axis of the measurement object.
- the support member is a flexible support member that can be wound around the object to be measured.
- Still another aspect of the present invention provides a method for manufacturing a body fat measurement device.
- the first current application electrode and the second current application electrode are supported by the support member on a straight line inclined with respect to the longitudinal axis of the support member, and the voltage measurement is performed.
- the electrode pair is supported by the support member between the first current application electrode and the second current application electrode.
- the body fat measurement device of an example further includes a support member having a longitudinal axis, and the first current application electrode and the second current application electrode are linearly inclined with respect to the longitudinal axis of the support member.
- the first voltage measuring electrode and the second voltage measuring electrode are supported between the first current applying electrode and the second current applying electrode. It is supported by the support member.
- the body fat measurement device includes a current application electrode pair including a first current application electrode and a second current application electrode, and a voltage measurement including a first voltage measurement electrode and a second voltage measurement electrode.
- the first current application electrode and the second current application electrode are supported by the support member on a straight line inclined with respect to the longitudinal axis of the support member.
- the voltage measurement electrode pair is supported by the support member between the first current application electrode and the second current application electrode.
- the first current application electrode, the second current application electrode, the first voltage measurement electrode, and the second voltage measurement electrode are inclined with respect to the longitudinal axis of the support member. They are aligned on a common straight line.
- the first current application electrode and the second current application electrode are supported by the support member on a first straight line inclined with respect to the longitudinal axis of the support member, and The first voltage measurement electrode and the second voltage measurement electrode are supported by the support member on a second straight line that intersects the first straight line.
- the support member is configured to be able to fix the body fat measuring device to a body to be measured.
- a line connecting the first current application electrode and the second current application electrode is with respect to the body axis of the body to be measured.
- the current applying electrode pair is supported by the support member at a position determined to be inclined.
- the support member is a flexible support member that can be wound around the object to be measured.
- Still another aspect of the present invention provides a method for manufacturing the body fat measurement device.
- the first current application electrode and the second current application electrode are supported by the support member on a straight line inclined with respect to the longitudinal axis of the support member, and the voltage measurement electrode is provided.
- the pair is supported by the support member between the first current application electrode and the second current application electrode.
- a body fat measuring device capable of accurately measuring the volume of body fat.
- FIG. 1 is a block diagram of a body fat measurement device according to a first embodiment of the present invention.
- (A) and (b) are the rear view and front view of the body fat measuring device of FIG.
- (A) is typical sectional drawing of a to-be-measured body
- (b) is a partially broken perspective view of a to-be-measured body.
- the body fat measurement device 10 includes a measurement unit 20 that measures body fat, and a belt 11 that wraps and fixes the device 10 around a body 70 to be measured.
- the measured object 70 may be a human body shown in FIG.
- the measurement unit 20 includes a detection surface 21 including a plurality of electrodes for detecting a voltage by applying a current to the measured object 70, an operation unit 22 such as an input panel, a display unit 23 for displaying various information, and a detection And a control unit 50 connected to the electrode of the surface 21.
- the plurality of electrodes on the detection surface 21 include a current applying electrode pair 31 for applying a current to the measured object 70 and a voltage measuring electrode pair 41 for measuring the voltage of the measured object 70.
- the current application electrode pair 31 includes two current application electrodes 31A and 31B.
- the voltage measurement electrode pair 41 includes two voltage measurement electrodes 41A and 41B.
- the current application electrodes 31 ⁇ / b> A and 31 ⁇ / b> B and the voltage measurement electrodes 41 ⁇ / b> A and 41 ⁇ / b> B are connected to the control unit 50 by transmission lines 24.
- the current application electrodes 31A and 31B apply a current to the device under test 70 in accordance with the control signal or drive signal supplied from the controller 50, and the voltage measurement electrodes 41A and 41B correspond to the measured voltage of the device under test 70.
- a measurement signal is supplied to the control unit 50.
- the operation unit 22 can supply measured object information such as the physique of the measured object 70 to the control unit 50 according to the operation of the measurer, for example.
- the operation unit 22 can supply a body fat measurement start signal to the control unit 50 in response to the measurement person's operation.
- the controller 50 controls the current application electrode pair 31 to start application of current.
- the voltage measurement electrode pair 41 measures the voltage value of the measured object 70 and transmits a measurement signal corresponding to the measured voltage value to the control unit 50.
- the control unit 50 calculates the body fat mass, particularly the volume of the visceral fat, in accordance with the measured voltage value (measurement signal) and the measured body information input via the operation unit 22, and the calculated body fat mass Is displayed on the display unit 23.
- control unit 50 determines the distribution of visceral fat according to the measured voltage value, the measured body information input via the operation unit 22, information on the measured body such as age and sex, and other parameters, and a computer algorithm. A three-dimensional image is generated and displayed on the display unit 23.
- the control unit 50 functions as an arithmetic circuit.
- the body fat measuring device 10 has a back surface 11A shown in FIG. 2A and a front surface 11B shown in FIG.
- the back surface 11 ⁇ / b> A faces the measured body 70 when the body fat measuring device 10 is wound around the measured body 70.
- a detection surface 21 is provided on the back surface 11A.
- the front surface 11B is the opposite surface of the back surface 11A.
- the longitudinal direction of the body fat measurement device 10 may be referred to as “lateral direction X”.
- the portions of the body fat measuring device 10 corresponding to the right half and the left half of the body 70 to be measured may be referred to as the right side and the left side, respectively.
- a direction orthogonal to the horizontal direction X may be referred to as a “vertical direction Y”.
- the side close to the top of the body 70 to be measured may be referred to as the upper side.
- the body fat measurement device 10 includes a support member that supports the electrodes.
- the support member may be the belt 11 that is tightly wound around the measurement object 70.
- the belt 11 has both ends at positions extending from the measuring unit 20 in the lateral direction X.
- the measurement unit 20 may be a part of the belt 11.
- the belt 11 is an example of a long and flexible support member that can be wound around a measurement object.
- the electrode surfaces of the current application electrode pair 31 and the voltage measurement electrode pair 41 are exposed on the detection surface 21.
- the electrode material may be stainless steel or a metal-plated resin material.
- the measurement unit 20 can incorporate a power source used for the body fat measurement device 10. As shown in FIG. 2B, a mark 12, an operation unit 22, and a display unit 23 are provided on the front surface 11 ⁇ / b> B of the body fat measurement device 10.
- the mark 12 is a positioning mark when the measuring unit 20 including the electrode is attached to the measurement object 70, and may be, for example, two marks 12A and 12B.
- the one mark 12 ⁇ / b> A is provided at the center upper end of the measurement unit 20.
- the other mark 12B is provided at the lower left end of the measurement unit 20.
- the position of the electrode on the visceral fat measuring device 10 may be determined based on the mark 12.
- Fasteners 13 are provided at the right end of the back surface 11A and the left end of the front surface 11B.
- the body fat measuring device 10 is fixed to the measured body 70 by attaching the fasteners 13 of the front surface 11B and the rear surface 11A to each other after the belt 11 is wound around the measured body 70.
- the current application electrodes 31A and 31B and the voltage measurement electrodes 41A and 41B are arranged on the straight line at equal intervals in the order of the electrode 31A, the electrode 41A, the electrode 41B, and the electrode 31B from the upper left end to the lower right end of the measurement unit 20. .
- the electrode 31A has a horizontal direction X position set at the left end of the measurement unit 20 and a vertical direction Y position set at the upper end of the measurement unit 20.
- the electrode 31B is set such that the position in the horizontal direction X is set at the right end of the measurement unit 20 and the position in the vertical direction Y is set at the lower end of the measurement unit 20.
- the position of the electrode 41A in the horizontal direction X is set near the electrode 31A between the electrodes 31A and 31B, and the position in the vertical direction Y is set near the electrode 31A between the electrodes 31A and 31B. Yes.
- the position of the electrode 41B in the horizontal direction X is set to the left of the electrode 41A between the electrode 31A and the electrode 31B, and the position of the vertical direction Y is below the electrode 41A between the electrode 31A and the electrode 31B Is set to the side.
- the voltage measuring electrodes 41A and 41B are arranged between the current applying electrodes 31A and 31B in the lateral direction X.
- the voltage measuring electrodes 41A and 41B are also arranged between the current applying electrodes 31A and 31B in the longitudinal direction Y.
- the longitudinal axis of the trunk of the body 70 to be measured is referred to as “trunk axis CB”.
- a surface that passes through the lower sternum 76 that is the lower end of the chest 75 and intersects the trunk axis CB vertically is defined as a “sternum surface XS”.
- a surface that passes through the hip bone 74 as the iliac crest from which the hip bone protrudes at the upper end of the waist 73 and is orthogonal to the trunk axis CB is referred to as a “lumbar surface XH”.
- the right half and the left half correspond to the right and left portions of the lower sternum 76, respectively.
- the back surface 11A of the belt 11 (see FIG. 2A) is applied to the abdomen 71 of the measurement object 70, and the position of the mark 12A in the lateral direction X is aligned with the lower sternum 76 of the sternum.
- the position of the mark 12A in the vertical direction Y is aligned with the sternum surface XS or below the surface XS.
- the position of the mark 12B in the horizontal direction X is aligned with the hip bone portion 74, and the position of the mark 12B in the vertical direction Y is adjusted to the hip bone surface XH or slightly above the surface XH.
- the belt 11 is wound around the measurement object 70, and the body fat measurement device 10 is fixed to the measurement object 70 by the fastener 13.
- the current applying electrode pair 31 and the voltage measuring electrode pair 41 are in contact with the body surface of the measured object 70. Yes.
- the current applying electrode pair 31 and the voltage measuring electrode pair 41 are automatically arranged to be inclined with respect to the body axis of the measured object 70. .
- the measurer operates the operation unit 22, measurement of body fat is started.
- FIG. 5A shows the distribution of the body fat 80 in a cross section perpendicular to the trunk axis CB passing through the umbilicus of the measured body 70
- FIG. 5B shows the sternum surface XS of the measured body 70 to the lumbar surface.
- Each of the three-dimensional distributions of body fat 80 up to XH is shown.
- the hatching in FIG. 5A shows the distribution of body fat 80 including subcutaneous fat 81 and visceral fat 82.
- the hatching in FIG. 5B indicates the distribution of visceral fat 82.
- FIG. 5A is a cross section orthogonal to the trunk axis CB at the height of the navel 72 of the body 70 to be measured.
- subcutaneous fat 81 exists in a layered manner around the entire circumference.
- the layer of subcutaneous fat 81 is thick at the front portion 71A and the back portion 71B, and relatively thin at the left flank 71D and the right flank 71C.
- Visceral fat 82 exists between organs in the abdominal cavity.
- the body fat 80 is distributed substantially symmetrically with respect to the spine 77 in the right half and the left half.
- the volume of the body fat 80 varies depending on the height position of the body 70 to be measured, that is, the cross-sectional position orthogonal to the trunk axis CB.
- the visceral fat 82 is particularly distributed on the right and left sides of the front portion 71A of the abdomen 71.
- FIG. 6 shows the arrangement of the current application electrode pair 31 and the voltage measurement electrode pair 41 with respect to the measurement object 70 and the outline of the measurement method of the body fat 80.
- the cylindrical shape of FIG. 6 shows the abdomen 71 of FIG. 4 around which the body fat measuring device 10 is wound.
- a line connecting the current application electrode 31A and the current application electrode 31B is referred to as an “interelectrode line A1”.
- a line passing through the current application electrode 31A and parallel to the trunk axis CB is defined as a reference line LA.
- a line passing through the current application electrode 31B and parallel to the trunk axis CB is defined as a reference line LB.
- the current application electrode 31A and the current application electrode 31B are provided on the left half body and the right half body via the trunk axis CB, respectively.
- the current application electrode 31A is disposed near the left flank 71D and below the sternum surface XS.
- the current application electrode 31B is disposed in the vicinity of the right flank 71C and above the hip bone surface XH.
- the interelectrode line A1 is inclined with respect to the trunk axis CB. That is, the current application electrodes 31A and 31B are provided at different positions in both the horizontal direction X and the vertical direction Y.
- the voltage measurement electrode pair 41 is arranged in the inter-electrode range R1 on the development view. That is, the voltage measuring electrodes 41A and 41B are disposed within the interelectrode range R1. Each electrode 41A, 41B is disposed on an interelectrode line A1. The intermediate position of the voltage measurement electrode pair 41 coincides with the intermediate position of the current application electrode pair 31.
- a current flows between the current application electrodes 31A and 31B at different heights.
- the voltage value when the current flows obliquely inside the measured object 70 is measured by the voltage measuring electrodes 41A and 41B.
- the control unit 50 calculates the amount of body fat 80 between the electrodes 31A and 31B and in the vicinity of these electrodes 31A and 31B, that is, the volume of visceral fat 82, and the calculation result is displayed on the display unit 23. To display. Since various well-known methods can be adopted as a method for calculating the volume of body fat, description thereof is omitted.
- the current application electrode pair 31 is provided so that the line connecting the current application electrodes 31A and 31B is inclined with respect to the trunk axis CB of the measurement target 70, and the current application electrode 31A.
- a voltage measurement electrode pair 41 is provided between the electrode 31B and the current application electrode 31B. For this reason, the voltage measuring electrode pair 41 measures the voltage when the current flows diagonally between different height positions inside the measured object 70. Therefore, the volume of the body fat 80 can be accurately measured. In addition, the voltage can be detected with higher sensitivity than when the voltage measurement electrode pair 41 is provided outside the electrode 31A and the electrode 31B.
- the current applying electrode 31A is disposed on the left half of the measured body 70, and the current applying electrode 31B is disposed on the right half of the measured body 70. That is, since the electrode pair 31 is disposed across the center of the body 70 to be measured, a measurement result reflecting the volume of the body fat 80 of the left half body and the right half body can be obtained.
- the belt 11 is provided with a current application electrode pair 31 and a voltage measurement electrode pair 41. For this reason, the positional relationship between the current application electrode pair 31 and the voltage measurement electrode pair 41 does not change every time the body fat 80 is measured, and variations in the measurement results of the body fat 80 can be reduced.
- the body fat measurement device 10 includes a belt 11 for fixing the measurement unit 20 to the body 70 to be measured. For this reason, the displacement of the positions of the electrode pairs 31 and 41 with respect to the measured body 70 can be reduced as compared with the case where the measurer measures the body fat 80 while holding the measuring unit 20 by hand. Moreover, since it is not necessary for the measurer to hold the measuring unit 20 by hand when measuring the body fat 80, the burden on the measurer can be reduced.
- the body fat measurement device 10 includes a mark 12B that represents a reference position corresponding to the hip bone portion 74 of the body 70 to be measured.
- the positions of the current application electrode pair 31 and the voltage measurement electrode pair 41 are set with reference to the mark 12B. Accordingly, since the positions of the current application electrode pair 31 and the voltage measurement electrode pair 41 are suppressed from greatly differing every time the body fat 80 is measured, the body fat 80 with respect to the same part of the body 70 to be measured over time. Changes can be measured appropriately.
- the control unit 50 calculates the volume of the body fat 80 including the subcutaneous fat 81 and the visceral fat 82 based on the voltage measured by the voltage measurement electrode pair 41. For this reason, the measurer can grasp the volume of the body fat 80 in each part of the body 70 to be measured.
- the body fat measurement device 10 includes a display unit 23 that displays a three-dimensional distribution of the body fat 80 including the subcutaneous fat 81 and the visceral fat 82. For this reason, the measurer can visually recognize the three-dimensional distribution of the body fat 80.
- visceral fat 82 is likely to be present in a large amount (about 20 cm) from the vicinity of the sternum surface XS to the vicinity of the hip surface XH.
- the current application electrode 31A is disposed on the lower side of the sternum surface XS and on the left flank 71D, and the current application electrode 31B is disposed on the waist surface XH and on the right flank 71C. A measurement result reflecting the quantity can be obtained.
- the voltage measurement electrode pair 42 is constituted by voltage measurement electrodes 42A and 42B.
- the voltage measurement electrode pair 42 is disposed within the inter-electrode range R1.
- the intermediate position of the electrode pair 42 coincides with the intermediate position of the current application electrode pair 31.
- the line connecting the electrodes 42A, 42B can be substantially parallel to the sternum surface XS and the lumbar surface XH.
- the interelectrode line A1 passes through the upper side of the voltage measuring electrode 42A and the lower side of the voltage measuring electrode 42B.
- an effect according to the first embodiment can be achieved.
- the third embodiment is different from the first embodiment in the arrangement of the current application electrode and the voltage measurement electrode. Since the other points are the same as in the first embodiment, the same components are denoted by the same reference numerals and the description thereof is omitted.
- the body fat measurement device 10 includes two current application electrode pairs 32 and 33 and two voltage measurement electrode pairs 43 and 44.
- the current application electrode pair 32 includes electrodes 32A and 32B.
- the current application electrode pair 33 includes electrodes 32A and 33B.
- the electrode 32A is shared by the two electrode pairs 32 and 33.
- the electrode 32A is arranged near the sternum surface XS and below the sternum surface XS near the lower sternum 76.
- the electrode 32B is disposed near the back 71B (as an example, a position 1 to 10 cm from the spine 77) near the right flank 71C, near the hip surface XH, and above the hip surface XH.
- the electrode 33B is disposed near the back 71B (as an example, a position 1 to 10 cm from the spine 77) near the left flank 71D, near the hip surface XH, and above the hip surface XH.
- the voltage measurement electrode pair 43 is composed of two voltage measurement electrodes 43A and 43B arranged on the right half of the body.
- the voltage measurement electrode pair 44 includes two voltage measurement electrodes 44A and 44B arranged on the left half.
- a line connecting the current application electrode 32A and the current application electrode 32B is referred to as an “interelectrode line A2”.
- a line connecting the current application electrode 32A and the current application electrode 33B is referred to as an “interelectrode line A3”.
- a line passing through the current application electrode 32A and parallel to the trunk axis CB is defined as a reference line LC.
- a line passing through the current application electrode 32B and parallel to the trunk axis CB is defined as a reference line LD.
- a line passing through the current application electrode 33B and parallel to the trunk axis CB is defined as a reference line LE.
- the inter-electrode lines A2 and A3 are both inclined with respect to the trunk axis CB. That is, the current application electrodes 32A and 32B are provided at different positions in both the horizontal direction X and the vertical direction Y. Similarly, the current application electrodes 32A and 33B are provided at different positions in both the horizontal direction X and the vertical direction Y. The current application electrodes 32B and 33B are in the same position in the vertical direction Y. The distances from the current application electrodes 32B and 33B to the navel 72 are the same. The electrodes 32B and 33B are in a symmetrical position with respect to the umbilicus 72.
- the electrode pair 43 for voltage measurement (electrodes 43A and 43B) is disposed in the inter-electrode range R2 on the developed view.
- the intermediate position of the voltage measurement electrode pair 43 coincides with the intermediate position of the current application electrode pair 32.
- the electrode 32B is on the back portion 71B of the measured object 70, it should be noted that the intermediate position of the electrode pair 32 in the developed view is shifted from the inter-electrode line A2.
- the voltage measurement electrode pair 44 (electrodes 44A and 44B) is disposed in the inter-electrode range R3 on the developed view.
- the intermediate position of the voltage measurement electrode pair 44 coincides with the intermediate position of the current application electrode pair 33.
- the electrode 33B is on the back portion 71B of the measured object 70, it should be noted that the intermediate position of the electrode pair 33 in the developed view is shifted from the inter-electrode line A3.
- the control unit 50 When measurement of the body fat 80 is started, the control unit 50 first causes a current to flow between the current application electrode pair 32 and then causes a current to flow between the current application electrode pair 33. Based on the voltage value measured by the voltage measurement electrode pair 43, 44, the control unit 50 determines the body fat 80 between the electrodes 32A and 32B, between the electrodes 32A and 33B, and in the vicinity of these electrodes 32A, 32B and 33B. The amount or volume is calculated, and the calculation result is displayed on the display unit 23.
- the measurement voltage of the voltage measurement electrode pair 43 reflects the body fat 80 of the right half body
- the measurement voltage of the voltage measurement electrode pair 44 reflects the body fat 80 of the left half body.
- the control unit 50 may calculate the amount or volume of the body fat 80 of the right and left body, and may display the amount or volume of the body fat 80 of the right and left body on the display unit 23.
- the current application electrode pair 32 and the current application electrode pair 33 share the current application electrode 32A. Therefore, the number of electrodes can be reduced by one as compared with the case where the two current application electrode pairs are formed of four electrodes.
- the visceral fat 82 is distributed in a large amount in the right front part and the left front part.
- the interelectrode ranges R2 and R3 are associated with the right and left half bodies, respectively, so that the amount of visceral fat 82 in the left and right half bodies can be individually measured. For this reason, the balance of the amount of the visceral fat 82 relative to the left half and the right half can be estimated.
- the body fat measurement device 10 includes four current application electrode pairs 31, 34, 35, and 36.
- the current application electrode pair 31 includes current application electrodes 31A and 31B.
- the current application electrode pair 34 includes current application electrodes 34A and 34B.
- the current application electrode pair 35 includes current application electrodes 35A and 35B.
- the current application electrode pair 36 includes current application electrodes 36A and 36B.
- the current application electrodes 31A and 31B are provided on the left half and the right half, respectively.
- the current application electrode 31A is disposed near the left flank 71D and below the sternum surface XS.
- the current application electrode 31B is disposed in the vicinity of the right flank 71C and above the hip bone surface XH.
- the current application electrodes 34A and 34B are provided inside the current application electrode pair 31 in the longitudinal direction Y.
- the current application electrode 34A is disposed in the vicinity of the left flank 71D, the sternum surface XS, and below the electrode 31A.
- the current application electrode 34B is disposed in the vicinity of the right flank 71C and the hip bone surface XH and above the electrode 31B.
- the current application electrodes 35A and 35B are provided symmetrically with the current application electrodes 31A and 31B with respect to the navel 72.
- the current application electrode 35A is disposed near the right flank 71C and below the sternum surface XS.
- the current application electrode 35B is disposed in the vicinity of the left flank 71D and above the hip bone surface XH.
- the current application electrodes 36A and 36B are provided in the longitudinal direction Y inside the current application electrode pair 35 and symmetrically with the current application electrodes 34A and 34B with respect to the navel 72.
- the current application electrode 36A is disposed near the right flank 71C, the sternum surface XS, and below the current application electrode 35A.
- the current application electrode 36B is disposed in the vicinity of the left flank 71D and the hip bone surface XH and above the current application electrode 35B.
- the positions of the electrodes 31A, 34A, 35B, and 36B in the horizontal direction X are the same.
- the positions in the lateral direction X of the electrodes 31B, 34B, 35A, and 36A are the same.
- the intermediate positions of the electrode pairs 31, 34, 35, and 36 all coincide with the position of the navel 72.
- a line connecting the current application electrode 31A and the current application electrode 31B is referred to as an “interelectrode line A1”.
- a line connecting the current application electrode 34A and the current application electrode 34B is referred to as an “interelectrode line A4”.
- a line connecting the current application electrode 35A and the current application electrode 35B is referred to as an “interelectrode line A5”.
- a line connecting the current application electrode 36A and the current application electrode 36B is referred to as an “interelectrode line A6”.
- a line passing through the current application electrodes 31A, 34A, 35B, and 36B and parallel to the trunk axis CB is defined as a reference line LA.
- a line passing through the current application electrodes 31B, 34B, 35A, and 36A and parallel to the trunk axis CB is defined as a reference line LB.
- the inter-electrode lines A1, A4, A5, A6 are inclined with respect to the trunk axis CB.
- the two electrodes constituting each current application electrode pair 31, 34, 35, 36 are provided at different positions in both the horizontal direction X and the vertical direction Y.
- the voltage measuring electrode pair 42 is disposed in the inter-electrode range R1.
- the intermediate position of the electrode pair 42 coincides with the intermediate position of each current application electrode pair 31, 34, 35, 36.
- the line connecting the electrodes 42A, 42B is substantially parallel to the sternum surface XS and the lumbar surface XH.
- the current application electrode pairs 31, 34, 35, and 36 are provided so that their intermediate positions coincide with the umbilic 72 position of the measurement object 70. For this reason, the volume of the body fat 80 around the navel 72 can be measured more accurately. For example, even if the amount of visceral fat 82 is the same to-be-measured body 70, the to-be-measured body 70 in which the visceral fat 82 is distributed in a portion close to the surface layer and a portion far from the surface layer (a portion close to the body axis) The detected impedance is different from the measured object 70 distributed in large numbers.
- the current application electrode pair 31, 34, 35, 36 is arranged so that current flows in a plurality of directions with respect to one voltage measurement electrode pair 42, whereby body fat 80, particularly visceral fat. It can be accurately measured whether 82 is distributed in a lot near the surface layer or a lot near the body axis.
- the fifth embodiment is different from the first embodiment in the arrangement of voltage measuring electrodes. Since the other points are the same as in the first embodiment, the same components are denoted by the same reference numerals and the description thereof is omitted.
- the body fat measurement device 10 includes three voltage measurement electrode pairs 42, 45, 46.
- the voltage measurement electrode pair 42 includes electrodes 42A and 42B.
- the voltage measurement electrode pair 45 includes electrodes 45A and 45B.
- the voltage measurement electrode pair 46 includes electrodes 46A and 46B.
- the voltage measuring electrodes 42A and 42B are provided on the left half and the right half, respectively.
- the voltage measuring electrodes 42 ⁇ / b> A and 42 ⁇ / b> B are arranged on the left and right sides of the umbilicus 72 in the height and the lateral direction X of the umbilicus 72.
- the voltage measurement electrodes 45A and 45B are provided on the left half body and the right half body above the voltage measurement electrode pair 42, respectively.
- the voltage measuring electrodes 45A and 45B are arranged in the vicinity of the sternum surface XS above the interelectrode line A1 in the longitudinal direction Y and on the left and right sides of the trunk axis CB in the lateral direction X, respectively.
- the voltage measurement electrodes 46A and 46B are provided on the left half body and the right half body via the trunk axis CB below the voltage measurement electrode pair 42, respectively.
- the voltage measuring electrodes 46A and 46B are arranged in the vicinity of the hip surface XH below the inter-electrode line A1 in the longitudinal direction Y, and on the left and right sides of the trunk axis CB in the lateral direction X, respectively.
- the voltage measurement electrode pair 42, 45, 46 is disposed in the inter-electrode range R1.
- the intermediate position of each voltage measurement electrode pair 42, 45, 46 coincides with the intermediate position of the current application electrode pair 31.
- a line connecting the two electric electrodes of each voltage measurement electrode pair 42, 45, 46 may be substantially parallel to the sternum surface XS and the lumbar surface XH.
- the voltage measuring electrode pairs 42, 45, 46 are arranged along the trunk axis CB. For this reason, it is possible to measure voltages at various positions along the trunk axis CB between the current application electrode pair 31. Therefore, the volume of the body fat 80 can be measured more accurately.
- the voltage measurement electrode pair 45 is disposed near the sternum surface XS, and the voltage measurement electrode pair 46 is disposed near the hip surface XH. That is, the voltage measuring electrode pairs 45 and 46 are arranged at positions close to the outer edge of the region where the current flows. As a result, it is possible to measure a voltage including a voltage near the outer edge of the region through which the current flows, so that a more accurate measurement can be performed.
- a plurality of voltage measurement electrode pairs 42, 45, 46 are arranged between one current application electrode pair 31. Therefore, the combination of the electrodes constituting the electrode pair can be selected and switched according to the measurement purpose.
- FIG. 6 A sixth embodiment of the present invention will be described with reference to FIG.
- the sixth embodiment is different from the first embodiment in the arrangement of the current application electrode and the voltage measurement electrode. Differences from the first embodiment will be described. Since the other points are the same as in the first embodiment, the same components are denoted by the same reference numerals and the description thereof is omitted.
- the body fat measurement device 10 includes two current application electrode pairs 37 and 38 and two voltage measurement electrode pairs 47 and 48.
- the current application electrode pair 37 includes current application electrodes 37A and 37B.
- the electrode 37A is disposed in the right half near the lower sternum 76, on the right side of the lower sternum 76, near the sternum surface XS, and below the sternum surface XS.
- the electrode 37B is disposed in the right half of the body 71A near the right flank 71C, near the hip surface XH, and above the hip surface XH.
- the current application electrode pair 38 includes current application electrodes 38A and 38B.
- the electrode 38A is disposed in the left half near the lower sternum 76, on the left side of the lower sternum 76, near the sternum surface XS, and below the sternum surface XS.
- the electrode 38B is disposed in the left half of the body 71A near the left flank 71D, near the hip surface XH, and above the hip surface XH.
- the voltage measurement electrode pair 47 is composed of voltage measurement electrodes 47A and 47B.
- the electrodes 47A and 47B are provided on the right half.
- the voltage measurement electrode pair 48 includes voltage measurement electrodes 48A and 48B.
- the electrodes 48A and 48B are provided on the left half.
- a line connecting the current application electrode 37A and the current application electrode 37B is referred to as an “interelectrode line A7”.
- a line connecting the current application electrode 38A and the current application electrode 38B is referred to as an “interelectrode line A8”.
- a line passing through the current application electrode 37A and parallel to the trunk axis CB is defined as a reference line LF.
- a line passing through the current application electrode 37B and parallel to the trunk axis CB is defined as a reference line LG.
- a line passing through the current application electrode 38A and parallel to the trunk axis CB is defined as a reference line LH.
- a line passing through the current application electrode 38B and parallel to the trunk axis CB is defined as a reference line LI.
- the inter-electrode lines A7 and A8 are inclined with respect to the trunk axis CB. That is, the two electrodes constituting each of the current application electrode pairs 37 and 38 are provided at different positions in both the horizontal direction X and the vertical direction Y.
- the current application electrodes 37A and 37B are in the same position in the vertical direction Y.
- the distance from each current application electrode 37A, 37B to the navel 72 is the same.
- the current application electrodes 38A and 38B are in the same position in the longitudinal direction Y.
- the distance from the current application electrodes 38A, 38B to the navel 72 is the same.
- the current application electrode pair 37, 38 is in a symmetrical position about the umbilicus 72.
- the voltage measurement electrode pair 47 (electrodes 47A and 47B) is arranged in the inter-electrode range R4 on the developed view.
- the electrodes 47A and 47B are disposed on the interelectrode line A7.
- the intermediate position of the voltage measurement electrode pair 47 coincides with the intermediate position of the current application electrode pair 37.
- the voltage measurement electrode pair 48 (48A, 48B) is disposed in the inter-electrode range R5 on the developed view.
- the electrodes 48A and 48B are disposed on the interelectrode line A8.
- the intermediate position of the voltage measurement electrode pair 48 coincides with the intermediate position of the current application electrode pair 38.
- the control unit 50 When the measurement of the body fat 80 is started, the control unit 50 first causes a current to flow between the current application electrode pair 37 and then causes a current to flow between the current application electrode pair 38. Based on the voltage values measured by the voltage measurement electrode pairs 47 and 48, the control unit 50 is used to measure body fat between the electrodes 37A and 37B, between the electrodes 38A and 38B, and in the vicinity of these electrodes 37A, 37B, 38A, and 38B. The amount or volume of 80 is calculated, and the calculation result is displayed on the display unit 23.
- the measurement voltage of the voltage measurement electrode pair 47 reflects the body fat 80 of the right half body
- the measurement voltage of the voltage measurement electrode pair 48 reflects the body fat 80 of the left body.
- the control unit 50 may calculate the amount or volume of the body fat 80 of the right and left body, and may display the amount or volume of the body fat 80 of the right and left body on the display unit 23 as described above in detail. According to this embodiment, the effects according to the above (1) to (8), (10) and (11) can be obtained.
- the voltage measuring electrodes 42A and 42B are movable in the vertical direction Y.
- the belt 11 can include a movable portion 14 for moving the voltage measurement electrodes 42A and 42B in the vertical direction Y.
- the movable portion 14 includes rails for sliding the voltage measuring electrodes 42A and 42B.
- the voltage measuring electrode 42 ⁇ / b> A and the voltage measuring electrode 42 ⁇ / b> B are connected by the connecting portion 15.
- the electrodes 42A and 42B move integrally.
- the movable range of the electrodes 42A and 42B is between the upper end position and the lower end position of the movable portion 14 in the vertical direction Y.
- the electrodes 42A and 42B are fixed so as not to move.
- the movable part 14 may have a structure for fixing the electrodes 42A and 42B at an arbitrary position on the movable part 14, for example.
- the body fat measurement device 10 since the body fat measurement device 10 includes the movable portion 14 for moving the voltage measurement electrodes 42A and 42B on the measured body 70, the body fat measurement device 10 does not have a plurality of voltage measurement electrode pairs. The voltage can be measured at various positions.
- the voltage measuring electrode 42A and the voltage measuring electrode 42B are connected by the connecting portion 15. Therefore, the voltage can be measured at various positions on the body surface while maintaining the relative position between the voltage measuring electrode 42A and the voltage measuring electrode 42B constant.
- the difference between the eighth embodiment of the present invention and the first embodiment will be described.
- the measurement unit 20 is different from that of the first embodiment. Since the other points are the same as in the first embodiment, the same components are denoted by the same reference numerals and the description thereof is omitted.
- the measurement unit 120 of the body fat measurement device 10 includes a plurality of arrangement units 16 for detachably attaching the current application electrode and the voltage measurement electrode.
- 25 arrangement parts 16 are provided in an array of 5 rows ⁇ 5 columns.
- a transmission line 24 connected to the control unit 50 is connected to each placement unit 16.
- the electrode for current application or the electrode for voltage measurement is electrically connected to the transmission line 24.
- the current application electrode 39A is attached to the arrangement portion 16 at the right end and the upper end.
- the current application electrode 39B is attached to the arrangement portion 16 at the left end and the lower end.
- the voltage measuring electrode 49A is attached to the arrangement portion 16 below and on the left side of the electrode 39A.
- the voltage measuring electrode 49B is attached to the arrangement part 16 on the upper side and on the right side of the electrode 39B.
- the current application electrodes 39A and 39B constitute a current application electrode pair 39.
- the voltage measuring electrodes 49A and 49B constitute a voltage measuring electrode pair 49.
- the electrode arrangement in FIG. 13B corresponds to the electrode arrangement in the first embodiment (FIG. 2A).
- FIG. 13C In the example of FIG. 13C, four current application electrodes 39C, 39D, 39E, and 39F are respectively attached to the arrangement portion 16 in the rightmost row.
- the four current application electrodes 39G, 39H, 39I, 39J are respectively attached to the arrangement part 16 in the leftmost column.
- the voltage measurement electrodes 49C and 49D are attached to the arrangement portion 16 located inside the current application electrode in the horizontal direction X and the vertical direction Y.
- the intermediate position between the voltage measuring electrodes 49C and 49D coincides with the intermediate position between the two electrodes of each current applying electrode pair.
- the current application electrodes 39C to 39J constitute four current application electrode pairs 39.
- the voltage measuring electrodes 49C and 49D constitute a voltage measuring electrode pair 49.
- the electrode arrangement in FIG. 13C corresponds to the electrode arrangement in the fourth embodiment (FIG. 9).
- the body fat measurement device 10 includes an arrangement portion 16 for detachably attaching the current application electrode and the voltage measurement electrode, and the belt 11 is provided with the current application electrode and the voltage measurement electrode attached to the arrangement portion 16. Support the electrode. Since the number and arrangement of the electrodes can be selected, the degree of freedom in measuring body fat can be increased.
- the voltage measurement electrode pair 41 is arranged on the interelectrode line A1, but the electrode pair 41 is arranged above the interelectrode line A1, for example, as shown in FIG. You can also A voltage measuring electrode pair may be arranged below the interelectrode line A1.
- the interval between the adjacent electrodes 31A, 41A, 41B, 31B is the same, but may be different. You may change the space
- the electrodes 42A and 42B are arranged so that the positions of the voltage measuring electrodes 42A and 42B in the vertical direction Y are the same.
- the voltage measurement electrode pair 42 may be arranged so that the connecting line is inclined with respect to the trunk axis CB.
- the voltage measuring electrode pair 42 may be arranged so that a line connecting the electrodes 42A and 42B is parallel to the trunk axis CB.
- the body fats 80 of the right and left bodies are measured by the voltage measurement electrode pair 43 and the electrode pair 44, but the other half body is based on the measurement result of the half body by one electrode pair. It is also possible to estimate body fat. Moreover, the whole body fat mass can also be estimated based on the measurement result of one half body.
- the current when measuring the body fat 80, the current is applied in the order of the current application electrode pair 32 and the current application electrode pair 33.
- the current may be supplied to the electrode pairs 32 and 33 simultaneously. it can.
- the current flows from the shared current applying electrode 32A toward the current applying electrodes 32B and 33B.
- the current applying electrode 32B and 33B changes to the current applying electrode 32A. It is also possible to allow a current to flow in the direction.
- the two electrodes of the current application electrode pairs 31, 34, 35, and 36 are arranged on the reference lines LA and LB, respectively, but the two electrodes of at least one electrode pair are the reference lines. It can also be arranged at a location different from LA and LB.
- the electrodes are arranged so that the interelectrode range R1 of the current application electrode pairs 31, 34, 35, 36 is the same, but the interelectrode ranges of the electrode pairs are different from each other.
- the electrodes can be arranged differently.
- the four current application electrode pairs 31, 34, 35, and 36 are provided, but the number of electrode pairs can be changed to five or more. Of the four electrode pairs 31, 34, 35, 36, one, two, or three electrode pairs may be omitted.
- the voltage measurement electrode pairs 42, 45, 46 are arranged at equal intervals along the trunk axis CB.
- the interval between the electrode pair 42 and the electrode pair 45 is the same as that of the electrode pair 42.
- the distance between the electrode pair 46 may be different.
- at least one intermediate position may not coincide with the trunk axis CB.
- the number of voltage measurement electrode pairs 42, 45, 46 may be four or more. Alternatively, one or two of the three electrode pairs 42, 45, 46 can be omitted.
- the voltage measurement electrodes 42A and 42B may be individually movable.
- the electrodes 42A and 42B are fixed so as not to move during voltage measurement.
- the electrodes 42A and 42B can also measure the voltage while moving on the measured object 70 along the rail. .
- the number and arrangement of the placement units 16 can be changed as appropriate.
- each placement unit 16 may be a hook that can be engaged with the measurement unit 120 and the electrode, for example.
- the current application electrode 31A is disposed on the left half and the current application electrode 31B is disposed on the right half, but the position in the vertical direction Y is maintained in each embodiment.
- the electrode 31A can be disposed on the right half and the electrode 31B can be disposed on the left half.
- the current application electrode 31A is disposed above the current application electrode 31B in the vertical direction Y. However, the position in the horizontal direction X is maintained in the respective embodiments. Thus, the electrode 31A can be disposed below the electrode 31B.
- these electrode pairs are arranged so that the intermediate positions of the current application electrode pair and the voltage measurement electrode pair coincide, but the intermediate positions of the current application electrode pair and the voltage measurement electrode pair are different.
- these electrode pairs can also be arranged.
- the body fat measurement device 10 includes the belt 11 that supports the electrode, but the belt 11 may be omitted.
- a rod-like or plate-like handle or knob that can be held by the measurer may be attached to the measurement unit 20.
- the measurement unit 20 itself functions as a support member that supports the electrode.
- the mark 12 is aligned with the lower sternum 76 and the lumbar part 74.
- a mark corresponding to the umbilicus 72 or the spine 77 is provided, and the mark may be aligned with the umbilicus 72 or the spine 77. it can.
- the mark 12 that is directly aligned with the lower sternum 76 and the lumbar part 74 is provided, but a scale that protrudes upward from the belt 11 is provided, and the scale is The distance from the lower sternum 76 to the upper end of the belt 11 can be adjusted.
- the volume of the visceral fat 82 as a measurement result of the body fat 80 is displayed on the display unit 23 as a three-dimensional image, but the measurement result of the body fat 80 can also be displayed numerically.
- One example of this case is one that displays the volume of the visceral fat 82 for each part of the body 70 to be measured, such as “abdominal right: 50 cm 3 , upper abdomen: 30 cm 3 ”.
- the body fat mass is calculated based on the measured voltage and displayed on the display unit 23.
- the measurement voltage can also be displayed directly on the display unit 23.
- the measurement result of the body fat 80 is displayed on the display unit 23, but the method for transmitting the measurement result to the measurer is not limited to this.
- a speaker that transmits the measurement result by voice to the measurer may be provided.
- a conductive gel material can be used as the electrode material.
- the operation unit 22, the display unit 23, and the control unit 50 can be provided on members other than the belt 11.
- the power supply can be built in the measurement unit 20, but the body fat measurement device 10 may include a power supply terminal for receiving supply of external power.
- the posture of the body 70 to be measured when measuring the body fat 80 is not particularly limited, such as standing, sitting, and supine.
- the body fat measuring device 10 of each of the above embodiments is optimized for measuring the body fat 80 from the sternum surface XS to the lumbar surface XH, but other parts of the trunk (for example, the chest and waist) or the arm It can also be changed to measure the body fat of the limbs such as legs and legs.
- the size and shape of each part of the body fat measurement device 10 can be changed according to other parts or limbs of the trunk.
- the longitudinal axis of the limb may be used instead of the trunk axis CB as one of the reference of the measurement position.
- the trunk axis and the limb axis are examples of the body axis.
- a human body is shown as an example of the measurement object 70, but the measurement object 70 may be an animal other than a human.
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Abstract
Description
図1~図6を参照して、本発明の第1実施形態について説明する。
・電極31Aは、横方向Xの位置が測定部20の左側端部に設定され、かつ縦方向Yの位置が測定部20の上側端部に設定されている。
・電極31Bは、横方向Xの位置が測定部20の右側端部に設定され、かつ縦方向Yの位置が測定部20の下側端部に設定されている。
・電極41Aは、横方向Xの位置が電極31Aと電極31Bとの間において電極31A寄りに設定され、かつ縦方向Yの位置が電極31Aと電極31Bとの間において電極31A寄りに設定されている。
・電極41Bは、横方向Xの位置が電極31Aと電極31Bとの間において電極41Aよりも左側に設定され、かつ縦方向Yの位置が電極31Aと電極31Bとの間において電極41Aよりも下側に設定されている。
図7を参照して、本発明の第2実施形態について第1実施形態との相違点を説明する。第2実施形態は、電圧測定用電極の配置の点で第1実施形態と相違する。その他の点については第1実施形態と同様であるため、同様の構成については同一の符号を付してその説明を省略する。
図8を参照して、本発明の第3実施形態について第1実施形態との相違点を説明する。第3実施形態は、電流印加用電極及び電圧測定用電極の配置の点で第1実施形態と相違する。その他の点については第1実施形態と同様であるため、同様の構成については同一の符号を付してその説明を省略する。
図9を参照して、本発明の第4実施形態について第1実施形態との相違点を説明する。第4実施形態では、電流印加用電極及び電圧測定用電極の配置の点で第1実施形態と相違する。その他の点については第1実施形態と同様であるため、同様の構成については同一の符号を付してその説明を省略する。
図10を参照して、本発明の第5実施形態について第1実施形態との相違点を説明する。第5実施形態は、電圧測定用電極の配置の点で第1実施形態と相違する。その他の点については第1実施形態と同様であるため、同様の構成については同一の符号を付してその説明を省略する。
図11を参照して、本発明の第6実施形態について説明する。第6実施形態は、電流印加用電極及び電圧測定用電極の配置の点で第1実施形態と相違する。第1実施形態との相違点について説明する。なお、その他の点については第1実施形態と同様であるため、同様の構成については同一の符号を付してその説明を省略する。
以上詳述したように、本実施形態によれば上記(1)~(8)、(10)及び(11)に準じた効果を奏することができる。
図12を参照して、本発明の第7実施形態について第2実施形態との相違点を説明する。第7実施形態は、測定部20が第2実施形態のものと相違する。その他の点については第2実施形態と同様であるため、同様の構成については同一の符号を付してその説明を省略する。
図13を参照して、本発明の第8実施形態について第1実施形態との相違点を説明する。第8実施形態では、測定部20が第1実施形態のものと相違する。その他の点については第1実施形態と同様であるため、同様の構成については同一の符号を付してその説明を省略する。
・電極31A,31Bの間隔を第1実施形態の間隔よりも小さくする。
・電極31A,31Bの間隔を第1実施形態の間隔よりも大きくする。
・電極41A,41Bの間隔を第1実施形態の間隔よりも小さくする。
・電極41A,41Bの間隔を第1実施形態の間隔よりも大きくする。
Claims (19)
- 第1の電流印加用電極及び第2の電流印加用電極を含む電流印加用電極対と、
第1の電圧測定用電極及び第2の電圧測定用電極を含む電圧測定用電極対とを備える体脂肪測定装置において、
前記電流印加用電極対は、前記第1の電流印加用電極と前記第2の電流印加用電極とを結ぶ線が被測定体の体軸に対して傾斜するように設けられ、
前記電圧測定用電極対は、前記第1の電流印加用電極と前記第2の電流印加用電極との間に設けられる
ことを特徴とする体脂肪測定装置。 - 請求項1に記載の体脂肪測定装置において、
前記第1の電流印加用電極は被測定体の左半身に配置され、
前記第2の電流印加用電極は被測定体の右半身に配置される
ことを特徴とする体脂肪測定装置。 - 請求項1または2に記載の体脂肪測定装置において、
複数の電流印加用電極対を備え、前記電流印加用電極対は当該複数の電流印加用電極対のうちの一つであり、
各電流印加用電極対の中間位置が被測定体の臍位置と一致するように、前記複数の電流印加用電極対の位置は決められている
ことを特徴とする体脂肪測定装置。 - 請求項1~3のいずれか一項に記載の体脂肪測定装置において、
体軸に沿って並べられた複数の圧測定用電極対を備え、前記電圧測定用電極対は当該複数の圧測定用電極対のうちの一つである
ことを特徴とする体脂肪測定装置。 - 請求項1、2、4のいずれか一項に記載の体脂肪測定装置において、
第3の電流印加用電極を更に備え、
前記第1の電流印加用電極及び前記第2の電流印加用電極は一電流印加用電極対を構成し、前記第1の電流印加用電極及び前記第3の電流印加用電極は別の電流印加用電極対を構成する
ことを特徴とする体脂肪測定装置。 - 請求項1~5のいずれか一項に記載の体脂肪測定装置において、
前記電圧測定用電極を被測定体上において移動させるための可動部を備える
ことを特徴とする体脂肪測定装置。 - 請求項1~6のいずれか一項に記載の体脂肪測定装置において、
被測定体に取り付けられる支持部材を備え、
この支持部材に前記電流印加用電極対及び前記電圧測定用電極対が支持される
ことを特徴とする体脂肪測定装置。 - 請求項7に記載の体脂肪測定装置において、
前記支持部材は被測定体に巻きつけて前記電流印加用電極対及び前記電圧測定用電極対を被測定体に対して固定するためのベルトを含む
ことを特徴とする体脂肪測定装置。 - 請求項7または8に記載の体脂肪測定装置において、
前記支持部材は、電流印加用電極及び電圧測定用電極を取り外し可能に取り付けるための配置部を含む
ことを特徴とする体脂肪測定装置。 - 請求項1~9のいずれか一項に記載の体脂肪測定装置において、
被測定体の臍または腰骨または背骨に対応する基準位置を表す目印であって、前記電流印加用電極対及び前記電圧測定用電極対の位置を設定するための目印を更に備える
ことを特徴とする体脂肪測定装置。 - 請求項1~10のいずれか一項に記載の体脂肪測定装置において、
前記電圧測定用電極対の測定電圧に基づいて体脂肪の体積を算出する演算回路を備える
ことを特徴とする体脂肪測定装置。 - 請求項1~11のいずれか一項に記載の体脂肪測定装置において、
前記電圧測定用電極対の測定電圧に基づいて体脂肪の三次元的な分布を表示する表示部を備える
ことを特徴とする体脂肪測定装置。 - 請求項1に記載の体脂肪測定装置において、
長手軸を有する支持部材を更に備え、
前記第1の電流印加用電極と前記第2の電流印加用電極は、前記支持部材の長手軸に対して傾斜した直線上において前記支持部材に支持されており、
前記第1の電圧測定用電極及び前記第2の電圧測定用電極は前記第1の電流印加用電極と前記第2の電流印加用電極との間において前記支持部材に支持されている体脂肪測定装置。 - 被測定体に電流が印加されたときの前記被測定体の電圧を測定して体脂肪を測定する体脂肪測定装置であって、
第1の電流印加用電極及び第2の電流印加用電極を含む電流印加用電極対と、
第1の電圧測定用電極及び第2の電圧測定用電極を含む電圧測定用電極対と、
長尺状の支持部材とを備え、
前記第1の電流印加用電極と前記第2の電流印加用電極は、前記支持部材の長手軸に対して傾斜した直線上において前記支持部材に支持され、
前記電圧測定用電極対は、前記第1の電流印加用電極と前記第2の電流印加用電極との間において前記支持部材に支持されている体脂肪測定装置。 - 請求項14に記載の体脂肪測定装置において、前記第1の電流印加用電極、前記第2の電流印加用電極、前記第1の電圧測定用電極及び前記第2の電圧測定用電極は前記支持部材の長手軸に対して傾斜した共通の直線上に整列している体脂肪測定装置。
- 請求項14に記載の体脂肪測定装置において、
前記第1の電流印加用電極と前記第2の電流印加用電極は、前記支持部材の長手軸に対して傾斜した第1の直線上において前記支持部材に支持されており、
前記第1の電圧測定用電極及び前記第2の電圧測定用電極は、前記第1の直線に交差する第2の直線上において前記支持部材に支持されている体脂肪測定装置。 - 請求項14に記載の体脂肪測定装置において、前記支持部材は前記体脂肪測定装置を被測定体に固定可能に構成されており、
前記支持部材によって前記内臓脂肪測定装置が被測定体に固定されたとき、前記第1の電流印加用電極と前記第2の電流印加用電極とを結ぶ線が被測定体の体軸に対して傾斜するように決められた位置において、前記電流印加用電極対は前記支持部材に支持されている体脂肪測定装置。 - 請求項17に記載の体脂肪測定装置において、前記支持部材は、被測定体に巻きつけ可能な可撓性の支持部材である体脂肪測定装置。
- 請求項14に記載の体脂肪測定装置の製造方法であって、
前記第1の電流印加用電極と前記第2の電流印加用電極を、前記支持部材の長手軸に対して傾斜した直線上において、前記支持部材に支持させ、
前記電圧測定用電極対を、前記第1の電流印加用電極と前記第2の電流印加用電極との間において前記支持部材によって支持させる
ことを備える製造方法。
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CN104545925A (zh) * | 2013-10-28 | 2015-04-29 | 英业达科技有限公司 | 健康监控器 |
CN105030237A (zh) * | 2015-07-17 | 2015-11-11 | 中国科学院电工研究所 | 一种脊髓损伤定位装置 |
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WO2007043271A1 (ja) * | 2005-10-12 | 2007-04-19 | Omron Healthcare Co., Ltd. | 内臓脂肪量を精度良く測定することのできる体脂肪測定装置 |
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EP1989999B1 (en) * | 2001-02-22 | 2012-12-12 | Kao Corporation | Apparatus for measuring body fat |
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JP2009225854A (ja) | 2008-03-19 | 2009-10-08 | Omron Healthcare Co Ltd | 体組成情報測定装置 |
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JP2006304999A (ja) * | 2005-04-27 | 2006-11-09 | Tanita Corp | 体幹内臓脂肪測定方法及び装置 |
WO2007043271A1 (ja) * | 2005-10-12 | 2007-04-19 | Omron Healthcare Co., Ltd. | 内臓脂肪量を精度良く測定することのできる体脂肪測定装置 |
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EP2550915B1 (en) | 2016-11-09 |
JP2011200304A (ja) | 2011-10-13 |
US20120330124A1 (en) | 2012-12-27 |
JP5433474B2 (ja) | 2014-03-05 |
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