WO2011118679A1 - 内臓脂肪測定装置 - Google Patents
内臓脂肪測定装置 Download PDFInfo
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- WO2011118679A1 WO2011118679A1 PCT/JP2011/057091 JP2011057091W WO2011118679A1 WO 2011118679 A1 WO2011118679 A1 WO 2011118679A1 JP 2011057091 W JP2011057091 W JP 2011057091W WO 2011118679 A1 WO2011118679 A1 WO 2011118679A1
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- Prior art keywords
- electrode
- visceral fat
- measuring device
- current application
- voltage
- Prior art date
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- 238000005259 measurement Methods 0.000 title claims abstract description 220
- 210000001596 intra-abdominal fat Anatomy 0.000 title claims abstract description 207
- 210000001015 abdomen Anatomy 0.000 claims abstract description 30
- 210000004003 subcutaneous fat Anatomy 0.000 claims description 10
- 210000003205 muscle Anatomy 0.000 claims description 8
- 210000001113 umbilicus Anatomy 0.000 claims description 8
- 238000001514 detection method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 13
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- 210000000577 adipose tissue Anatomy 0.000 description 10
- 210000000683 abdominal cavity Anatomy 0.000 description 6
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- 238000012986 modification Methods 0.000 description 3
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- 238000004804 winding Methods 0.000 description 3
- 208000001145 Metabolic Syndrome Diseases 0.000 description 2
- 201000000690 abdominal obesity-metabolic syndrome Diseases 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 230000012447 hatching Effects 0.000 description 2
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- 230000035945 sensitivity Effects 0.000 description 2
- 210000001562 sternum Anatomy 0.000 description 2
- 210000000689 upper leg Anatomy 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- UAEPNZWRGJTJPN-UHFFFAOYSA-N CC1CCCCC1 Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 1
- 208000008589 Obesity Diseases 0.000 description 1
- 208000008558 Osteophyte Diseases 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 201000010934 exostosis Diseases 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000020824 obesity Nutrition 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
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- 229920005989 resin Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 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
- A61B5/68—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
-
- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/04—Constructional details of apparatus
- A61B2560/0406—Constructional details of apparatus specially shaped apparatus housings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/04—Constructional details of apparatus
- A61B2560/0431—Portable apparatus, e.g. comprising a handle or case
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/04—Arrangements of multiple sensors of the same type
- A61B2562/046—Arrangements of multiple sensors of the same type in a matrix array
-
- 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
- A61B5/683—Means for maintaining contact with the body
- A61B5/6831—Straps, bands or harnesses
Definitions
- the present invention relates to a visceral fat measuring device.
- the visceral fat 82 is actually distributed three-dimensionally. According to the conventional visceral fat measuring device, although the measurement result reflecting the visceral fat in the cross section of FIG. 5B is obtained, it is difficult to accurately measure the volume of the visceral fat.
- An object of the present invention is to provide a visceral fat measuring device capable of accurately measuring the volume of visceral fat.
- the visceral fat measuring device includes a current applying electrode pair including a first current applying electrode and a second current applying electrode, a first voltage measuring electrode, and a second voltage measuring electrode.
- the electrode pair for current application is arranged on a projection line obtained by projecting the trunk axis onto the body surface in the abdomen of the body to be measured, and the first current application electrode and the second current application electrode are The voltage measuring electrodes arranged at a predetermined interval so as to form a current path connecting one current applying electrode, visceral fat and the second current applying electrode.
- the pair is provided between the first current application electrode and the second current application electrode in the trunk axis direction of the measurement object.
- the predetermined interval is larger than the combined thickness of the subcutaneous fat layer and the muscle layer at the measurement site.
- a region between a line passing through the anterior superior iliac spine and a line passing through the frontal plane among projection lines obtained by projecting the trunk axis on the body surface in the right half of the measured body, and the left of the measured body is arranged in at least one of the regions between the line passing through the anterior superior iliac spine and the line passing through the frontal plane among the projected lines obtained by projecting the trunk axis onto the body surface in the half body It is preferred that
- the first current application electrode is disposed at the upper end of the abdomen and the second current application electrode is disposed at the lower end of the abdomen.
- the first voltage measurement electrode is disposed above the umbilical surface orthogonal to the trunk axis at the height of the umbilicus, and the second voltage measurement electrode is disposed below the umbilical surface.
- the first current application electrode, the first voltage measurement electrode, the second voltage measurement electrode, and the second current application electrode are preferably arranged in a line in this order.
- the visceral fat measuring device includes a plurality of voltage measuring electrode pairs, and the voltage measuring electrode pairs are each one of the plurality of voltage measuring electrode pairs or one of them.
- the visceral fat measuring device includes a movable part for moving the voltage measuring electrode on the body to be measured.
- the visceral fat measuring device includes a support member for bringing the visceral fat measuring device into contact with the body to be measured, and the support member preferably supports the current application electrode pair and the voltage measurement electrode pair. .
- the visceral fat measurement device includes a display unit that displays the visceral fat amount based on the measurement voltage of the voltage measurement electrode pair, and the display unit is formed separately from the support member.
- the support member preferably includes a belt for winding the current application electrode pair and the voltage measurement electrode pair around the body to be measured to fix the electrode pair for voltage measurement to the body to be measured.
- the visceral fat measuring device includes a gripping part that is gripped by the user during measurement.
- the support member includes an arrangement portion for detachably attaching the current application electrode and the voltage measurement electrode.
- the visceral fat measuring device is a mark representing a reference position corresponding to the lower edge of the rib or the anterior superior iliac spine of the measurement object, and is used for setting the positions of the current application electrode pair and the voltage measurement electrode pair. It is preferable to provide a mark.
- the visceral fat measuring device includes an arithmetic circuit that calculates the volume of visceral fat based on the measurement voltage of the voltage measuring electrode pair.
- the visceral fat measuring device includes a display unit that displays a three-dimensional distribution of visceral fat based on the measurement voltage of the voltage measuring electrode pair.
- the visceral fat measurement device includes a support member having a longitudinal axis, and the first current application electrode and the second current application electrode are on a straight line orthogonal to the longitudinal axis of the support member or The first voltage measuring electrode and the second voltage measuring electrode are supported by the support member at an interval on a substantially parallel straight line, the first voltage measuring electrode and the first current applying electrode, The support member supports the second current application electrode.
- a visceral fat measurement device that measures visceral fat by measuring a voltage of the measurement object when a current is applied to the measurement object.
- the visceral fat measuring device measures and applies a current application electrode pair including a first current application electrode and a second current application electrode for applying a current to the measurement object, and a voltage of the measurement object.
- a voltage measurement electrode pair including a first voltage measurement electrode and a second voltage measurement electrode, and a support member having a longitudinal axis.
- the first current application electrode and the second current application electrode are supported by the support member at a distance on a straight line orthogonal to or substantially parallel 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 common to the longitudinal axis of the support member. Are aligned on a straight line.
- the first current application electrode and the second current application electrode are disposed on a first straight line orthogonal to the longitudinal axis of the support member, and the first voltage measurement electrode and the first current measurement electrode The second voltage measuring electrode is disposed on a second straight line parallel to the first straight line.
- the support member is configured to be able to fix the visceral fat measuring device to a measured body, and when the visceral fat measuring device is fixed to the measured body by the support member, the first current application In a position determined so that the electrode for electrode and the second electrode for applying current are automatically arranged on a projection line obtained by projecting the trunk axis of the body to be measured onto the body surface of the abdomen of the body to be measured.
- the current application electrode pair is supported by the support member.
- the support member is a flexible support member that can be wound around the object to be measured.
- the interval is determined so as to form a current path connecting the first current application electrode, the visceral fat, and the second current application electrode.
- a visceral fat measuring device capable of measuring the volume of visceral fat with high accuracy.
- (A) and (b) are the rear view and front view of the visceral fat measuring device of FIG.
- (A) is a partially broken perspective view of the measurement object
- (b) is a cross-sectional view of the measurement object at the height of the navel
- (c) is a cross-sectional view of the measurement object at the height of the iliac.
- FIG. 7 is a schematic cross-sectional view of the visceral fat measuring device in FIG. 6.
- the schematic diagram which shows the position of the electrode of the visceral fat measuring device according to 2nd Embodiment of this invention.
- the schematic diagram which shows the position of the electrode of the visceral fat measuring device according to 3rd Embodiment of this invention.
- the schematic diagram which shows the position of the electrode of the visceral fat measuring device according to 4th Embodiment of this invention.
- the schematic diagram of the visceral fat measuring device according to 6th Embodiment of this invention The schematic diagram of the visceral fat measuring device according to 7th Embodiment of this invention.
- (A) (b) is a schematic diagram of the visceral fat measuring device of the 2nd and 3rd modification.
- the visceral fat measurement device 10 includes a measurement unit 20 that measures visceral fat, and a belt 11 for winding the device 10 around a measurement object 70 and fixing it.
- 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, and a display unit 23 for presenting various types of information to a measurer. And a control unit 50 connected to the electrodes of the detection 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 visceral 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 pressure 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 visceral fat mass, particularly the volume of the visceral fat, according to the measured voltage value (measurement signal) and the measured body information input via the operation unit 22, and the calculated visceral fat mass Is displayed on the display unit 23.
- control unit 50 shows the distribution of visceral fat according to the measured voltage value, measured body information such as abdominal circumference, age, and sex input via the operation unit 22, 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 visceral fat measuring device 10 has a back surface 11A shown in FIG. 2 (a) and a front surface 11B shown in FIG. 2 (b).
- the back surface 11 ⁇ / b> A faces the measured body 70 when the visceral 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 visceral fat measuring device 10 may be referred to as “lateral direction X”.
- the portions of the visceral fat measurement device 10 corresponding to the right half and the left half of the measurement target 70 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 measured body 70 may be referred to as the upper side.
- the visceral 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 in the transverse direction X from the measurement unit 20.
- 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 visceral fat measurement device 10. As illustrated 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 visceral 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.
- one mark 12 ⁇ / b> A is provided on the right side and the upper end of the center of the measurement unit 20.
- the other mark 12B is provided at the lower end of the measuring unit 20 and on the right side of the center.
- 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 visceral fat measuring device 10 is fixed to the measured body 70 by attaching the fasteners 13 on 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 equally spaced on a straight line extending in the longitudinal direction Y in the order of the electrode 31A, the electrode 41A, the electrode 41B, and the electrode 31B at the right end of the measurement unit 20. Has been placed.
- positioning location of each electrode seen from the front surface 11B is shown below.
- the positions of the electrode 31A, the electrode 41A, the electrode 41B, and the electrode 31B in the lateral direction X are the same.
- the position of the electrode 31 ⁇ / b> A in the vertical direction Y is set at the upper end of the measurement unit 20.
- the position of the electrode 31B in the vertical direction Y is set at the lower end of the measurement unit 20.
- the position of the electrode 41A in the vertical direction Y is set closer to the electrode 31A between the electrode 31A and the electrode 31B.
- the position of the electrode 41B in the vertical direction Y is set below the electrode 41A between the electrode 31A and the electrode 31B.
- the current application electrodes 31A and 31B and the voltage measurement electrodes 41A and 41B are arranged at the same position in the lateral direction X. Further, the voltage measuring electrodes 41A and 41B are arranged between the current applying electrodes 31A and 31B in the vertical direction Y.
- the longitudinal axis of the trunk of the body 70 to be measured is referred to as “trunk axis CB”.
- a surface passing through the lower rib edge 76 and perpendicularly intersecting with the trunk axis CB is defined as a “radial surface XS”.
- a surface passing through the anterior superior iliac spine 74 (see FIG. 5) and orthogonal to the trunk axis CB is referred to as “iliac surface XH”.
- a plane that passes through the navel 72 and is orthogonal to the trunk axis CB is defined as “umbilical plane XN”.
- the right half and the left half correspond to the right side and left side of the navel 72, respectively.
- the abdomen 71 is defined from the rib surface XS to the iliac surface XH
- the chest 75 is defined above the rib surface XS
- the waist 73 is defined below the iliac surface XH.
- the back surface 11 ⁇ / b> A (see FIG. 2A) of the belt 11 is applied to the abdomen 71 of the measurement object 70, and the position of the mark 12 ⁇ / b> A in the lateral direction X is aligned with the lower rib edge 76.
- the position of the mark 12A in the vertical direction Y is set near the rib surface XS and below the same surface XS.
- the position of the mark 12B in the horizontal direction X is aligned with the anterior superior iliac spine 74, and the position of the mark 12B in the vertical direction Y is aligned near the iliac surface XH and above the same surface XH.
- the belt 11 is wound around the measurement object 70, and the visceral 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 electrodes 31A, 31B, 41A, 41B are automatically arranged on the projection line CS obtained by projecting the trunk axis CB on the body surface.
- Measurement of the visceral fat 82 is started when the measurer operates the operation unit 22 in this state.
- the body fat 80 of the body 70 to be measured will be described with reference to FIG.
- a surface passing through the boundary between the front portion 71A and the back portion 71B of the body to be measured 70 and parallel to the trunk axis CB is referred to as a “frontal surface YF”.
- a portion that matches the front face plane YF in the right half is referred to as a right flank 71C
- a portion that matches the front face plane YF in the left half is referred to as a left flank 71D.
- FIG. 5A shows a three-dimensional distribution of the body fat 80 from the rib surface XS to the iliac surface XH of the body 70 to be measured.
- FIG. 5B shows the distribution of the body fat 80 on the umbilical surface XN of the body 70 to be measured.
- FIG. 5C shows the distribution of the body fat 80 on the iliac surface XH of the body 70 to be measured. Note that hatching in FIG. 5A indicates the distribution of visceral fat 82. The hatching in FIG. 5B and FIG. 5C shows the distribution of the body fat 80 including the subcutaneous fat 81 and the visceral fat 82.
- subcutaneous fat 81 is below the body surface of the measured body 70 in a cross section passing through the navel 72 of the measured body 70 and perpendicular to the trunk axis CB. It exists in layers 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 symmetrically with respect to the spine 77 in the right half and the left half.
- the volume of the body fat 80 of the body 70 to be measured 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 anterior superior iliac spine 74 is located at a position shifted from the right flank 71C and the left flank 71D to the umbilicus 72 side. is there.
- the visceral fat 82 is located above the abdomen 71 on the right flank 71C of the front part 71A and the anterior superior iliac spine of the right half.
- the distribution is biased toward the outer peripheral side rather than the center.
- FIG. 6 shows the abdomen 71 of FIG. 4 around which the visceral 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”.
- the position of the current application electrode 31A in the vertical direction Y is defined as a vertical position LA.
- the position of the current application electrode 31B in the vertical direction Y is defined as a vertical position LB.
- the current application electrode pair 31 is provided between the right flank 71 ⁇ / b> C and the anterior superior iliac spine 74 in the right half of the body.
- the current application electrode 31A is disposed between the right flank 71C and the anterior superior iliac spine 74 and below the rib surface XS.
- the current application electrode 31B is disposed between the right flank 71C and the anterior superior iliac spine 74 and above the iliac surface XH.
- the voltage measurement electrode pair 41 (electrodes 41A and 41B) is disposed between the vertical position LA and the vertical position LB.
- the electrodes 41A and 41B are disposed on the interelectrode line A1 and on the projection line CS.
- the intermediate position of the voltage measurement electrode pair 41 coincides with the intermediate position of the current application electrode pair 31. In the illustrated example, these intermediate positions coincide with the umbilical surface XN.
- the distance TA between the current application electrode 31A and the current application electrode 31B is larger than the layer thickness TB (generally 10 to 40 mm) between the subcutaneous fat 81 and the muscle 83. It is decided. For this reason, the voltage measured by the voltage measurement electrode pair 41 when the current application electrode pair 31 applies a current to the measured object 70 well reflects the volume of the visceral fat 82.
- the control unit 50 calculates the amount of visceral fat 82 between the electrodes 31A and 31B and in the vicinity of these electrodes 31A and 31B, that is, the volume of the visceral fat 82 on the right side, and displays the calculation result on the display unit. 23. Since various known methods can be adopted as a method for calculating the volume of visceral fat, description thereof is omitted.
- the current application electrode pair 31 is provided on the projection line CS obtained by projecting the trunk axis CB onto the body surface in the abdomen 71 of the body 70 to be measured.
- the distance TA between the current applying electrode 31A and the current applying electrode 31B is larger than the layer thickness TB of the subcutaneous fat 81 and the muscle 83 of the measured object 70.
- the voltage measurement electrode pair 41 measures the voltage when the current application electrode pair 31 applies a current and the current flows through the device under test 70 in the longitudinal direction Y. Therefore, a measurement result based on the three-dimensional distribution of the visceral fat 82 is obtained.
- the distance TA between the current application electrode 31A and the current application electrode 31B is greater than the thickness TB of the subcutaneous fat layer and the muscle layer of the measurement part of the body 70 to be measured. That is, the distance TA is determined so that a current path connecting the electrode 31A, the visceral fat 82, and the electrode 31B is formed. Therefore, the voltage measurement electrode pair 41 can detect a voltage reflecting the volume of the visceral fat 82. Therefore, the volume of the visceral fat 82 can be accurately measured.
- the electrode arrangement in which the voltage measurement electrode pair 41 is provided between the current application electrode 31A and the current application electrode 31B in the direction substantially along the trunk axis CB of the measurement object 70 is the voltage measurement electrode. Compared with the electrode arrangement in which the pair 41 is provided outside between the electrode 31A and the electrode 31B, the voltage can be detected with high sensitivity.
- the visceral fat 82 tends to be the most between the anterior superior iliac spine 74 of the right half and the right flank 71C and between the anterior superior iliac spine 74 of the left half and the left flank 71D. It is in.
- the current application electrode pair 31 is disposed between the anterior superior iliac spine 74 and the right flank 71C of the right half of the body, a voltage that reflects the most visceral fat 82 in the right half of the body is applied. Can be detected. Since the part with a large amount of visceral fat 82 and the total amount of visceral fat 82 correlate well, the volume of visceral fat 82 can be measured with high accuracy.
- the current application electrode 31A is disposed in the vicinity of the lower rib edge 76, and the current application electrode 31B is disposed in the vicinity of the anterior superior iliac spine 74. Accordingly, since the current of the current application electrode pair 31 reaches the central portion of the abdomen 71, a voltage that well reflects the entire amount of visceral fat 82 in the right half can be detected.
- the visceral fat 82 tends to be the most near the umbilical surface XN.
- the voltage measuring electrode 41A is disposed above the umbilical surface XN, and the voltage measuring electrode 41B is disposed below the umbilical surface XN.
- the reflected voltage can be detected.
- the body fat mass at the position of the umbilical surface XN is often used as a reference value. Therefore, by calculating a value that well reflects the visceral fat 82 in the vicinity of the umbilical surface XN in this way, it is possible to compare with the above-described reference value.
- the current application electrode 31A, the voltage measurement electrode 41A, the voltage measurement electrode 41B, and the current application electrode 31B are arranged in a line in this order. For this reason, since the distance between the current application electrode pair 31 and the voltage measurement electrode pair 41 is smaller than when the electrodes 31A, 41A, 41B, and 31B are not arranged in a line, voltage measurement is performed with high sensitivity. Can do.
- the belt 11 is provided with a current applying electrode pair 31 and a voltage measuring 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 visceral fat 82 is measured, and variations in the measurement results of the visceral fat 82 can be reduced.
- the visceral fat measuring device 10 includes a belt 11 for fixing the measuring unit 20 to the measured body 70. 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 visceral fat 82 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 visceral fat 82, the burden on the measurer can be reduced.
- the visceral fat measuring device 10 includes a mark 12B representing a reference position corresponding to the anterior superior iliac spine 74 of the measured object 70 and a mark 12A representing a reference position corresponding to the lower edge 76 of the rib of the measured object 70.
- the positions of the current application electrode pair 31 and the voltage measurement electrode pair 41 are set with reference to the marks 12A and 12B. Therefore, since the positions of the current application electrode pair 31 and the voltage measurement electrode pair 41 are suppressed from being greatly different every time the visceral fat 82 is measured, the visceral fat 82 with respect to the same part of the measurement target 70 is changed over time. Changes can be measured appropriately.
- the control unit 50 calculates the volume of 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 visceral fat 82 in each part of the body 70 to be measured.
- the visceral fat measurement device 10 includes a display unit 23 that displays a three-dimensional distribution of the visceral fat 82. For this reason, the measurer can visually recognize the three-dimensional distribution of the visceral fat 82.
- the current application electrode pair 31 and the voltage measurement electrode pair 41 on the detection surface 21 are arranged in a line on the projection line CS of the right flank 71C in the order of the electrodes 31A, 41A, 41B, 31B. Has been placed.
- the current application electrode 31A is disposed near the right flank 71C and below the rib surface XS.
- the current application electrode 31B is disposed near the right flank 71C and above the iliac surface XH.
- the voltage measurement electrode pair 41 (electrodes 41A and 41B) is disposed between the vertical position LA and the vertical position LB, that is, within the interelectrode range RX.
- the electrodes 41A and 41B are disposed on the interelectrode line A1 and on the projection line CS.
- the intermediate position of the voltage measurement electrode pair 41 coincides with the intermediate position of the current application electrode pair 31. In the illustrated example, these intermediate positions coincide with the umbilical surface XN.
- the current application electrode pair 31 and the voltage measurement electrode pair 41 on the detection surface 21 are arranged on a projection line CS in which the electrodes 31A, 41A, 41B, and 31B pass through the navel 72 in this order. Arranged in a row.
- the current application electrode 31A is arranged below the rib surface XS.
- the current application electrode 31B is disposed on the upper side of the iliac surface XH.
- the electrodes 41A and 41B arranged between the vertical position LA and the vertical position LB, that is, within the interelectrode range RX, are arranged on the 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. In the illustrated example, these intermediate positions coincide with the umbilical surface XN.
- the current application electrode pair 31 on the detection surface 21 is provided between the right flank 71 ⁇ / b> C of the right half and the anterior superior iliac spine 74.
- the current application electrode 31A is disposed between the right flank 71C and the anterior superior iliac spine 74 and below the rib surface XS.
- the current application electrode 31B is disposed between the right flank 71C and the anterior superior iliac spine 74 and above the iliac surface XH.
- the voltage measurement electrode pair 41 (electrodes 41A and 41B) is disposed between the vertical position LA and the vertical position LB, that is, within the interelectrode range RX.
- the electrodes 41A and 41B are arranged at positions spaced from the interelectrode line A1 toward the navel 72.
- the respective intermediate positions of the voltage measurement electrode pair 41 and the current application electrode pair 31 coincide with the umbilical surface XN.
- a current application electrode pair 31 and six voltage measurement electrode pairs 41, 42, 43, 44, 45, 46 are arranged on the detection surface 21.
- the voltage measurement electrode pair 42 includes an electrode 42A and an electrode 42B.
- the voltage measurement electrode pair 43 includes an electrode 43A and an electrode 43B.
- the voltage measurement electrode pair 44 includes an electrode 44A and an electrode 44B.
- the voltage measurement electrode pair 45 includes an electrode 45A and an electrode 45B.
- the voltage measurement electrode pair 46 includes an electrode 46A and an electrode 46B.
- the electrodes 31A, 41A, 41B, 31B constituting the current application electrode pair 31 and the voltage measurement electrode pair 41 are arranged in a line on the projection line CS in this order in the right flank 71C.
- the electrode pair 42 is arranged at a position parallel to the electrode pair 41 in the lateral direction X and spaced from the electrode pair 41 toward the navel 72 in the right half.
- the electrode pair 43 is arranged in parallel with the electrode pair 42 in the lateral direction X and at a position spaced from the electrode pair 42 toward the navel 72 in the right half.
- the electrode pair 44 is parallel to the electrode pair 43 in the lateral direction X, and is disposed near the umbilicus 72 in the left half.
- the electrode pair 45 is arranged at a position parallel to the electrode pair 44 in the lateral direction X and spaced from the electrode pair 44 toward the left flank 71D in the left half.
- the electrode pair 46 is parallel to the electrode pair 45 in the lateral direction X and is disposed on the left flank 71D.
- the electrodes 41A, 42A, 43A, 44A, 45A, and 46A are arranged on the same plane parallel to the umbilical surface XN and above the umbilical surface XN.
- the electrodes 41B, 42B, 43B, 44B, 45B, and 46B are arranged on the same plane parallel to the umbilical surface XN and below the umbilical surface XN.
- the voltage measurement electrode pairs 41 to 46 are between the vertical position LA and the vertical position LB, that is, the interelectrode range RX. Is placed inside.
- the intermediate positions of the voltage measurement electrode pairs 41 to 46 coincide with the intermediate positions of the current application electrode pairs 31. In the illustrated example, these intermediate positions coincide with the umbilical surface XN.
- the electrode pairs 41 to 46 are arranged on the projection line CS at respective positions.
- the control unit 50 causes a current to flow between the current application electrode pair 31. First, the voltage value is detected by the voltage measurement electrode pair 41. Next, the voltage value is detected by the voltage measurement electrode pair 42. Thereafter, similarly, voltage values are sequentially detected by the voltage measuring electrode pairs 43 to 46.
- the voltage value of the electrode pair 41 reflects the visceral fat 82 near the right flank 71C.
- the voltage value of the electrode pair 42 reflects the visceral fat 82 near the umbilicus 72 from the electrode pair 41 in the right half.
- the voltage value of the electrode pair 43 reflects the visceral fat 82 near the umbilicus 72 from the electrode pair 42 in the right half.
- the voltage value of the electrode pair 44 reflects the visceral fat 82 near the umbilicus 72 in the left half.
- the voltage value of the electrode pair 45 reflects the visceral fat 82 near the left flank 71D side of the left half of the electrode pair 44.
- the voltage value of the electrode pair 46 reflects the visceral fat 82 near the left flank 71D.
- the control unit 50 calculates the distribution of visceral fat 82 at each position in the circumferential direction based on the voltage values of these electrode pairs 41 to 46, and displays the calculation result on the display unit 23.
- the control unit 50 may average the visceral fat amount calculated from these voltage values to calculate the visceral fat amount of the entire abdomen 71 and display this on the display unit 23.
- a plurality of voltage measurement electrode pairs 41 to 46 are arranged on the projection line CS at various positions of the measured object 70. For this reason, voltage measurement at various positions between the current application electrode pair 31 can be performed. Therefore, the volume of the visceral fat 82 can be measured with higher accuracy.
- the current application electrode pair 31 is disposed in the vicinity of the right flank 71C, and the voltage measurement electrode pair 46 is disposed in the vicinity of the left flank 71D.
- the current application electrode pair 31 and the voltage measurement electrode pair 46 are arranged at positions facing the measurement object 70. Thereby, since the voltage including the voltage of the farthest position where the current flows in the abdomen 71 can be measured, more accurate measurement can be performed.
- a plurality of voltage measurement electrode pairs 41 to 46 are arranged between the current application electrode pairs 31. Therefore, the combination of the electrodes constituting the electrode pair can be selected and switched according to the measurement purpose.
- Each of the current application electrodes 32A and 32B is a strip-shaped electrode. Each of the current application electrodes 32A and 32B may have a length corresponding to the distance from the right flank 71C to the left flank 71D of the measurement object 70.
- the current application electrodes 32A and 32B are arranged on the detection surface 21 so as to be parallel to the umbilical surface XN.
- the current application electrode 32A since the current application electrode 32A has a strip shape, a current can be applied over a wide range of the front portion 71A. Since the plurality of voltage measuring electrode pairs 41 to 46 measure the voltage value at each position, the volume of the visceral fat 82 can be measured with high accuracy.
- the voltage measuring electrodes 41A and 41B are movable in the lateral direction X.
- the belt 11 can include a movable portion 14 for moving the voltage measuring electrodes 41A and 41B in the lateral direction X.
- the movable portion 14 can move in the circumferential direction of the measurement target 70.
- the movable part 14 includes rails for sliding the voltage measuring electrodes 41A and 41B.
- the voltage measuring electrode 41 ⁇ / b> A and the voltage measuring electrode 41 ⁇ / b> B are connected by the connecting portion 15. When the connecting portion 15 is moved by the measurer, the electrodes 41A and 41B move integrally.
- the movable range of the electrodes 41A and 41B is between the right end position and the left end position of the movable portion 14 in the lateral direction X.
- the movable range of the electrodes 41A and 41B is between the right flank 71C and the left flank 71D of the measured object 70.
- the electrodes 41A and 41B are fixed so as not to move during voltage measurement.
- the movable part 14 may have a structure for fixing the electrodes 41A and 41B at an arbitrary position on the movable part 14, for example.
- the visceral fat measuring device 10 includes the movable portion 14 for moving the voltage measuring electrodes 41A and 41B on the measured body 70, the visceral fat measuring device 10 on the body surface does not include a plurality of voltage measuring electrode pairs. The voltage can be measured at various positions.
- the voltage measuring electrode 41A and the voltage measuring electrode 41B are connected by the connecting portion 15. For this reason, it is possible to measure the voltage at various positions on the body surface while keeping the relative position between the voltage measuring electrode 41A and the voltage measuring electrode 41B constant.
- the measurement unit 120 of the visceral fat measurement device 10 includes a plurality of arrangement units 16 for detachably attaching the current application electrode and the voltage measurement electrode.
- 30 arrangement parts 16 are provided in an array of 5 rows ⁇ 6 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 electrodes 33A and 33B and the voltage measurement electrodes 47A and 47B are arranged in the second column from the right.
- the current application electrode 33A is attached to the upper arrangement portion 16.
- the current application electrode 33B is attached to the arrangement portion 16 at the lower end.
- the voltage measurement electrode 47A is attached to the disposition portion 16 below the electrode 33A.
- the voltage measurement electrode 47B is attached to the arrangement portion 16 above the electrode 33B.
- the current application electrodes 33A and 33B constitute one current application electrode pair 33, and the voltage measurement electrodes 47A and 47B constitute one voltage measurement electrode pair 47.
- the electrode arrangement in FIG. 14B corresponds to the electrode arrangement in the first embodiment (FIG. 6).
- the current application electrode 33A is attached to the arrangement portion 16 on the upper right.
- the current application electrode 33B is attached to the lower right arrangement portion 16.
- the voltage measuring electrodes 47A, 47B, 47C, 47D, 47E, 47F, 47G, 47H, 47I, 47J, 47K, and 47L are located within the interelectrode range RX, that is, at the inner positions of the current application electrodes 33A and 33B. It is attached to a certain arrangement part 16.
- the intermediate positions of the current application electrodes 33A and 33B coincide with the intermediate positions of the voltage measurement electrode pairs arranged in each column.
- the current application electrodes 33A and 33B constitute one current application electrode pair 33, and the voltage measurement electrode pair arranged in each column constitutes a voltage measurement electrode pair.
- the electrode arrangement in FIG. 14C corresponds to the electrode arrangement in the fifth embodiment (FIG. 11).
- the visceral fat measuring 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 electrodes can be selected, the degree of freedom in measuring visceral fat can be increased.
- the electrodes 41A and 41B constituting the voltage measurement electrode pair 41 are arranged on the interelectrode line A1 and on the same projection line CS.
- the arrangement of the voltage measurement electrode pair 41 is not limited to this.
- the electrode 41A and the electrode 41B may not be on the interelectrode line A1, and the voltage measurement electrode pair 41 may be disposed so as to cross the interelectrode line A1.
- the electrode 41 ⁇ / b> A and the electrode 41 ⁇ / b> B may be arranged in parallel to a plane orthogonal to the trunk axis CB. In this case, the positions of the electrode 41A and the electrode 41B in the vertical direction Y are the same.
- the electrode 41A and the electrode 41B may be disposed in parallel with a plane that obliquely crosses the trunk axis CB. In this case, the positions of the electrodes 41A and 41B in the vertical direction Y are different from each other.
- the interval between the adjacent electrodes 31A, 41A, 41B, 31B is the same, but may be different. You may change the space
- the visceral fat 82 of the right half is measured by the voltage measurement electrode pair 41 arranged on the right half, but the other half is measured based on the measurement result of the half by the electrode pair arranged on the half. It is also possible to estimate the visceral fat 82. Moreover, the amount of whole visceral fat can also be estimated based on the measurement result of one half body.
- the voltage measurement electrode pairs 41 to 46 are arranged in the horizontal direction X.
- the interval between the adjacent electrode pairs 41 to 46 in the horizontal direction X is set constant. It can also be set differently. Further, the intermediate position of at least one electrode pair may not coincide with the umbilical surface XN.
- the number of voltage measurement electrode pairs 41 to 46 are provided, but the number of voltage measurement electrode pairs can be changed to seven or more. Alternatively, one to five of the six electrode pairs 41 to 46 can be omitted.
- the controller 50 calculates the visceral fat mass of the entire abdomen 71 by averaging the visceral fat masses calculated from the respective voltage values of the voltage measurement electrode pairs 41 to 46.
- the visceral fat mass calculated from the respective voltage values may be added to calculate the visceral fat mass of the entire abdomen 71.
- the voltage measurement electrodes 41A and 41B may be individually movable.
- the electrodes 41A and 41B are fixed so as not to move during voltage measurement.
- the electrodes 41A and 41B may measure the voltage while moving on the measured object 70 along the rail. it can.
- 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 pair 31 may be disposed on the left half.
- the upper end of the abdomen 71 is described as the rib surface XS, but the upper end of the abdomen 71 may be the upper end of the abdominal cavity, that is, the diaphragm, the lower end of the sternum, or the like. Therefore, the current application electrode 31A is not limited to be disposed near the rib surface XS and below the rib surface XS, but may be disposed, for example, near the upper end of the abdominal cavity, that is, near the diaphragm, or near the lower end of the sternum. May be. If within the range of the abdomen, the current application electrode 31A may be disposed near the rib surface XS and above the rib surface XS.
- the lower end of the abdomen 71 is described as the iliac surface XH, but the lower end of the abdomen 71 may be the lower end of the abdominal cavity, the upper end of the femur, and the like. Therefore, the current application electrode 31B is not limited to be disposed near the iliac surface XH and above the iliac surface XH, but may be disposed, for example, near the lower end of the abdominal cavity and near the upper end of the femur. If within the range of the abdomen, the current application electrode 31B may be disposed near the iliac surface XH and below the iliac surface XH.
- the visceral fat measuring device 10 includes only one pair of current application electrodes, but may include a plurality of current application electrode pairs.
- the controller 50 first applies a current to the first current application electrode pair and measures the voltage with the voltage measurement electrode.
- the control unit 50 applies a current to the second current application electrode pair and measures the voltage using the voltage measurement electrode. This is repeated by the number of current application electrode pairs. Thus, the voltage when current is applied to different positions is measured at the same position.
- each electrode is disposed between the right flank 71C and the left flank 71D and on the front portion 71A, but may be disposed on the back portion 71B.
- the current application electrode pair and the voltage measurement electrode pair are arranged so that their intermediate positions coincide with each other, but the current application electrode pair and the voltage measurement electrode pair have an intermediate position thereof. It can also be arranged differently.
- the visceral fat measuring device 10 of each of the above embodiments includes the belt 11 and the measuring unit 20, but the belt 11 can be omitted.
- the visceral fat measuring device 30 shown in FIG. 16A includes a rod-shaped gripping portion 17 that can be gripped by the measurer instead of the belt 11, and the gripping portion 17 is attached to the measuring portion 20.
- the user holds the grip portion 17 and places the electrodes 31A, 31B, 41A, 41B in contact with the body surface, and arranges the electrodes 31A, 31B, 41A, 41B on the projection line CS.
- Visceral fat can be measured in the state.
- the measurement unit 20 itself functions as a support member.
- the operation unit 22 and the display unit 23 can be formed separately from the measurement unit 20.
- the gripping portion 17 is not limited to that shown in FIGS. 16A and 16B, and may be attached to the surface of the measurement unit 20 opposite to the detection surface 21.
- gripping portions can be provided on opposite side surfaces of the measurement unit 20. In this case, the user can grasp the grasping part with both hands, and can press the electrodes 31A, 31B, 41A, 41B against the abdominal part 71.
- the visceral fat measurement device 30 shown in FIG. 17 includes a separate weight scale base 18 that can communicate with the measurement section 20, and the display section 23 is provided on the weight scale base 18. According to the display unit 23, the measurement target 70 can easily visually recognize the measurement result of the visceral fat 82.
- One or both of the operation unit 22 and the control unit 50 may be provided on the scale table 18.
- the mark 12 is aligned with the lower rib edge 76 and the anterior superior iliac spine 74, but the mark may be provided at a position corresponding to the umbilicus 72 or the spine 77. You may determine the position of the electrode on the visceral fat measuring device 10 on the basis of this mark.
- the mark 12 that directly aligns with the lower rib edge 76 and the anterior superior iliac spine 74 is provided, but a scale portion that protrudes upward from the belt 11 is provided, The distance from the rib lower edge 76 to the upper end of the belt 11 can be adjusted using the scale portion. Moreover, while providing the scale part which protruded toward the lower side from the belt 11, the distance from the anterior superior iliac spine 74 to the upper end part of the belt 11 can also be match
- the measurement result of the visceral fat 82 that is, the volume of the visceral fat 82 is displayed on the display unit 23 as a three-dimensional image, but the volume of the visceral fat 82 can also be displayed numerically.
- the volume of the visceral fat 82 can be displayed for each part of the body 70 to be measured, such as “abdominal right: 50 cm 3 , upper abdomen: 30 cm 3 ”. It is also possible to display the area of the visceral fat 82 on the umbilical surface XN (cross section in FIG. 5 (b)), which is a reference for the visceral fat amount related to the determination of metabolic syndrome.
- the visceral fat mass is calculated based on the measured voltage and displayed on the display unit 23.
- the numerical value of the measured voltage can also be displayed on the display unit 23.
- the measurement result of the visceral fat 82 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 gel material can be used as the electrode material.
- the power source can be built in the measurement unit 20, but the visceral 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 visceral fat is not particularly limited, such as standing, sitting, and supine.
- the measurement object 70 may be an animal other than a person.
- Electrodes for voltage measurement, 50 Control unit (arithmetic circuit), 70: Object to be measured, 71 ... Abdomen, 71A ... Front part, 71B ... Back part, 71C ... Right flank, 71D ... Left flank, 72 ... Umbilical, 73 ... Lumbar, 74 ... upper front Osteophyte, 75 ... chest, 76 ... subcostal margin, 77 ... spine, 80 ... body fat, 81 ... subcutaneous fat, 82 ... visceral fat, 83 ... muscles.
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Abstract
Description
図1~図7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、電極41A、電極41Bおよび電極31Bの横方向Xの位置は互いに同じである。
・電極31Aの縦方向Yの位置は測定部20の上側端部に設定されている。
・電極31Bの縦方向Yの位置は測定部20の下側端部に設定されている。
・電極41Aの縦方向Yの位置は電極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の縦方向Yの位置は電極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8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。本実施形態では、電流印加用電極およ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。本実施形態では、電流印加用電極およ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。本実施形態では、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5実施形態について第2実施形態との相違点を説明する。本実施形態では、電圧測定用電極の配置の点で第2実施形態と相違する。その他の点については第2実施形態と同様の構成であるため、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12を参照して、本発明の第6実施形態について第5実施形態との相違点を説明する。本実施形態では、電流印加用電極の形状および配置の点で第5実施形態と相違する。その他の点については第5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7実施形態について第1実施形態との相違点を説明する。本実施形態では、測定部20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14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。本実施形態では、測定部20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。
・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 (23)
- 第1の電流印加用電極および第2の電流印加用電極を含む電流印加用電極対と、
第1の電圧測定用電極および第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内臓脂肪測定装置において、
前記電流印加用電極対は、被測定体の腹部において、体幹軸を体表に投影した投影線上に配置され、
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、前記第1の電流印加用電極と内臓脂肪と前記第2の電流印加用電極とを結ぶ電流経路が形成されるように決められた所定の間隔をおいて互いに離間して配置され、
前記電圧測定用電極対は、被測定体の体幹軸方向において前記第1の電流印加用電極と前記第2の電流印加用電極との間に設けられる
ことを特徴とする内臓脂肪測定装置。 - 請求項1に記載の内臓脂肪測定装置において、
前記所定の間隔は、被測定部位の皮下脂肪層と筋肉層とを合わせた厚さよりも大きい
ことを特徴とする内臓脂肪測定装置。 - 請求項1または2に記載の内臓脂肪測定装置において、
前記被測定体の右半身において体幹軸を体表に投影した投影線のうち前上腸骨棘を通過する線と前額面を通過する線との間の領域、および前記被測定体の左半身において体幹軸を体表に投影した投影線のうち前上腸骨棘を通過する線と前額面を通過する線との間の領域の少なくとも一方の領域に前記電流印加用電極対が配置される
ことを特徴とする内臓脂肪測定装置。 - 請求項1~3のいずれか一項に記載の内臓脂肪測定装置において、
腹部の上端に前記第1の電流印加用電極が配置され、腹部の下端に前記第2の電流印加用電極が配置される
ことを特徴とする内臓脂肪測定装置。 - 請求項1~4のいずれか一項に記載の内臓脂肪測定装置において、
臍の高さにおいて体幹軸と直交する臍面よりも上に前記第1の電圧測定用電極が配置され、臍面よりも下に前記第2の電圧測定用電極が配置される
ことを特徴とする内臓脂肪測定装置。 - 請求項1~5のいずれか一項に記載の内臓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1の電圧測定用電極、前記第2の電圧測定用電極および前記第2の電流印加用電極はこの順に一列に配置される
ことを特徴とする内臓脂肪測定装置。 - 請求項1~6のいずれか一項に記載の内臓脂肪測定装置において、
複数の電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電圧測定用電極対の各々またはその内の一つである
ことを特徴とする内臓脂肪測定装置。 - 請求項1~7のいずれか一項に記載の内臓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
ことを特徴とする内臓脂肪測定装置。 - 請求項1~8のいずれか一項に記載の内臓脂肪測定装置において、
前記内臓脂肪測定装置を被測定体に接触させるための支持部材を備え、
この支持部材に前記電流印加用電極対および前記電圧測定用電極対が支持される
ことを特徴とする内臓脂肪測定装置。 - 請求項9に記載の内臓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内臓脂肪量を表示する表示部を備え、
前記表示部は前記支持部材とは別体に形成される
ことを特徴とする内臓脂肪測定装置。 - 請求項9または10に記載の内臓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
ことを特徴とする内臓脂肪測定装置。 - 請求項9または10に記載の内臓脂肪測定装置において、
測定時に使用者によって把持される把持部を備える
ことを特徴とする内臓脂肪測定装置。 - 請求項9~12のいずれか一項に記載の内臓脂肪測定装置において、
前記支持部材は、電流印加用電極およ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
ことを特徴とする内臓脂肪測定装置。 - 請求項1~13のいずれか一項に記載の内臓脂肪測定装置において、
被測定体の肋骨下縁または前上腸骨棘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およ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備える
ことを特徴とする内臓脂肪測定装置。 - 請求項1~14のいずれか一項に記載の内臓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内臓脂肪の体積を算出する演算回路を備える
ことを特徴とする内臓脂肪測定装置。 - 請求項1~15のいずれか一項に記載の内臓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内臓脂肪の三次元的な分布を表示する表示部を備える
ことを特徴とする内臓脂肪測定装置。 - 請求項1に記載の内臓脂肪測定装置において、
長手軸を有する支持部材を備え、
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直交する直線上または実質的に平行な直線上で間隔を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内臓脂肪測定装置。 - 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内臓脂肪を測定する内臓脂肪測定装置であって、
被測定体に電流を印加するための、第1の電流印加用電極および第2の電流印加用電極を含む電流印加用電極対と、
被測定体の電圧を測定加するための、第1の電圧測定用電極および第2の電圧測定用電極を含む電圧測定用電極対と、
長手軸を有する支持部材とを備え、
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直交する直線上または実質的に平行な直線上で間隔を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
ことを特徴とする内臓脂肪測定装置。 - 請求項18に記載の内臓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直交する共通の直線上に整列している内臓脂肪測定装置。 - 請求項18に記載の内臓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直交する第1の直線上に配置され、
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の直線と平行な第2の直線上に配置されている内臓脂肪測定装置。 - 請求項18に記載の内臓脂肪測定装置において、前記支持部材は前記内臓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の電流印加用電極が、被測定体の体幹軸を前記被測定体の腹部の体表に投影した投影線上に自動的に配置され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内臓脂肪測定装置。 - 請求項21に記載の内臓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内臓脂肪測定装置。
- 請求項18に記載の内臓脂肪測定装置において、前記間隔は、前記第1の電流印加用電極と内臓脂肪と前記第2の電流印加用電極とを結ぶ電流経路が形成されるように決められている内臓脂肪測定装置。
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EP11759484.6A EP2550916B1 (en) | 2010-03-24 | 2011-03-24 | Visceral fat measurement device |
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JP5853132B2 (ja) * | 2011-12-16 | 2016-02-09 | パナソニックIpマネジメント株式会社 | 生体情報測定装置 |
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JP2002369806A (ja) | 2001-04-13 | 2002-12-24 | Kao Corp | 体脂肪測定装置 |
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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DE60238034D1 (de) * | 2001-02-22 | 2010-12-02 | Kao Corp | Körperfettmessgerät |
US20050215882A1 (en) * | 2004-03-23 | 2005-09-29 | The Regents Of The University Of Michigan | Noninvasive method to determine fat content of tissues using MRI |
DE602006018816D1 (de) * | 2005-04-13 | 2011-01-27 | Tanita Seisakusho Kk | Gerät und Methode zur Messung von Eingeweidenfett |
JP4529884B2 (ja) * | 2005-11-30 | 2010-08-25 | オムロンヘルスケア株式会社 | 体脂肪測定装置および上肢ユニット |
JP4905197B2 (ja) * | 2007-03-19 | 2012-03-28 | オムロンヘルスケア株式会社 | 内臓脂肪測定装置 |
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JP2002369806A (ja) | 2001-04-13 | 2002-12-24 | Kao Corp | 体脂肪測定装置 |
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EP2550916A1 (en) | 2013-01-30 |
CN102970923A (zh) | 2013-03-13 |
EP2550916A4 (en) | 2013-10-09 |
US20120330181A1 (en) | 2012-12-27 |
JP5433475B2 (ja) | 2014-03-05 |
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