JP2007014664A5

JP2007014664A5 -

Info

Publication number: JP2007014664A5
Application number: JP2005201194A
Authority: JP
Filing date: 2005-07-11
Publication date: 2007-09-20

Claims

Current application electrodes are simultaneously arranged at two sites that are highly useful for estimating the amount of subcutaneous fat tissue around the trunk abdomen, and voltages are respectively provided at positions near the current application electrodes around the trunk abdomen. A trunk trunk fat measurement method, comprising: arranging a measurement electrode, and measuring trunk trunk fat tissue information by measuring impedance of the trunk.

At least one pair of current application electrodes arranged simultaneously at two sites that are highly useful for estimating the amount of subcutaneous adipose tissue around the trunk abdomen, and each of the current application electrodes around the trunk abdomen Trunk subcutaneous fat measurement characterized by comprising at least one set of voltage measurement electrode pairs respectively arranged at close positions and determining trunk subcutaneous fat tissue layer information by measuring trunk impedance apparatus.

The two sites that are highly useful for estimating the amount of subcutaneous adipose tissue are the combination of the lateral umbilicus and the flank on the circumference of the umbilical cord, the combined lateral umbilicus and the lower scapula, or the lower scapula and the side. Combination of abdomen, combination of flank and aponeurosis, combination of lateral umbilicus and aponeurosis, or combination of umbilical cavity and spine on umbilical circumference, or umbilical cavity and aponeurosis The trunk trunk subcutaneous fat measurement device according to claim 2, which is a combination part.

3. The trunk subcutaneous fat measurement device according to claim 2, wherein the two sites that are highly useful for estimating the amount of subcutaneous fat tissue are a combination site of a site candidate portion having the largest subcutaneous fat tissue deposition and the thinnest site. .

5. The trunk subcutaneous fat measurement apparatus according to claim 2, wherein the two parts that are highly useful for estimating the amount of subcutaneous fat tissue are selected as a plurality of combination parts.

6. The trunk subcutaneous fat measurement device according to claim 2, wherein the position adjacent to each of the current application electrodes is a position where the influence of spreading resistance immediately below the current application electrode is dominant.

A trunk abdominal site subcutaneous adipose tissue layer impedance measuring means for measuring a potential difference between each voltage measurement electrode pair and measuring a subcutaneous adipose tissue layer impedance of each site of the trunk abdomen, and each measured site Based on the estimated body fat subcutaneous fat tissue layer impedance and body specific information, the body fat subcutaneous fat tissue layer impedance estimating means for estimating the body fat subcutaneous fat tissue layer impedance based on the subcutaneous fat tissue layer impedance of the trunk The trunk subcutaneous fat measurement device according to any one of claims 2 to 6, further comprising a trunk subcutaneous fat tissue amount estimation stage that estimates a subcutaneous fat tissue volume of the trunk.

In the trunk visceral fat measurement method for measuring the trunk visceral fat tissue, the bioimpedance of the lower limb, the bioimpedance of the upper limb and the bioimpedance of the trunk are measured, and the measured bioimpedance and body identification of the lower limb The amount of lower limb skeletal muscle tissue is determined based on the measured biometric impedance of the upper limb and the body specifying information, and the amount of upper limb skeletal muscle tissue is determined based on the measured information. And determining the amount of trunk skeletal muscle tissue based on the amount of body skeletal muscle tissue and body specifying information, and determining the amount of trunk skeletal muscle tissue layer based on the determined amount of trunk skeletal muscle tissue and body specifying information The impedance is obtained, the impedance of the subcutaneous fat tissue layer of the trunk is obtained, the impedance of the internal organ tissue is obtained based on the body specifying information, and the obtained trunk And the impedance of the trunk skeletal muscle tissue layer, the impedance of the subcutaneous fat tissue layer of the trunk and the impedance of the internal organ tissue of the trunk, the impedance of the trunk visceral adipose tissue, Each step of determining the amount of trunk visceral adipose tissue based on the determined trunk visceral adipose tissue impedance and body specifying information, the step of determining the impedance of the subcutaneous fat tissue layer of the trunk includes the step around the trunk abdomen Current application electrodes are placed simultaneously at two sites that are highly useful for estimating the amount of subcutaneous fat tissue above, and voltage measurement electrodes are placed near the current application electrodes around the trunk abdomen. And measuring the impedance of the subcutaneous fat tissue layer of the trunk.

In the trunk visceral fat measurement method for measuring the trunk visceral fat tissue, the bioimpedance of the lower limb, the bioimpedance of the upper limb and the bioimpedance of the trunk are measured, and the measured bioimpedance of the lower limb and the upper limb Obtaining the trunk skeletal muscle tissue amount based on the bioimpedance and body specifying information, obtaining the trunk skeletal muscle tissue layer impedance based on the obtained trunk skeletal muscle tissue amount and body specifying information, The impedance of the subcutaneous fat tissue layer of the trunk is obtained, the impedance of the internal organ tissue is obtained based on the body specifying information, the bioimpedance of the obtained trunk, the impedance of the obtained trunk skeletal muscle tissue layer, the body The trunk based on the impedance of the subcutaneous fat tissue layer of the trunk and the impedance of internal organ tissue of the trunk Obtaining the impedance of the visceral adipose tissue, and determining the amount of the visceral adipose tissue based on the obtained impedance and the body specifying information of the trunk visceral adipose tissue, the impedance of the subcutaneous adipose tissue layer of the trunk In the step of obtaining the current application electrode, two current application electrodes are simultaneously arranged at two sites that are highly useful for estimating the amount of subcutaneous adipose tissue around the trunk abdomen, and in proximity to each current application electrode around the trunk abdomen. A method for measuring a visceral fat in a trunk, comprising disposing a voltage measuring electrode at each position and determining an impedance of a subcutaneous fat tissue layer in the trunk.

In the trunk visceral fat measuring device for measuring the trunk visceral fat tissue, the lower limb bioimpedance measuring means for measuring the bioimpedance of the lower limb and the upper limb bioimpedance for measuring the bioimpedance of the upper limb Measuring means, trunk bioimpedance measuring means for measuring bioimpedance of trunk, and lower limb part for estimating lower limb skeletal muscle tissue amount based on measured bioimpedance and body specifying information of lower limb Skeletal muscle tissue amount estimation means, upper limb skeletal muscle tissue amount estimation means for estimating upper limb skeletal muscle tissue amount based on the measured bioimpedance and body specific information of the upper limb, and the estimated lower limb skeleton Trunk bone to estimate trunk skeletal muscle tissue volume based on muscle tissue volume, upper limb skeletal muscle tissue volume and body specific information Muscle tissue amount estimating means, trunk skeletal muscle tissue layer impedance estimating means for estimating impedance of trunk skeletal muscle tissue layer based on the estimated trunk skeletal muscle tissue amount and body specifying information, and The trunk subcutaneous fat tissue layer impedance estimation means for estimating the impedance of the subcutaneous fat tissue layer, the trunk internal organ tissue impedance estimation means for estimating the impedance of the internal organ tissue of the trunk based on the body specifying information, and the estimation The impedance of the trunk visceral adipose tissue based on the estimated biological impedance of the trunk, the impedance of the estimated trunk skeletal muscle tissue layer, the impedance of the subcutaneous fat tissue layer of the trunk and the impedance of the internal organ tissue of the trunk Estimating trunk visceral fat tissue impedance estimating means, and the estimated trunk visceral fat A trunk visceral fat tissue amount estimating means for estimating the trunk visceral fat tissue amount based on the tissue impedance and the body specifying information, and the trunk subcutaneous fat tissue layer impedance estimating means comprises: At least one pair of current application electrodes arranged simultaneously at two sites that are highly useful for estimating the amount of subcutaneous fat tissue on the periphery, and a position in the vicinity of each current application electrode on the periphery of the trunk abdomen A trunk visceral fat measuring device, comprising: at least one set of voltage measurement electrode pairs respectively disposed on the body, and obtaining impedance of a subcutaneous fat tissue layer of the trunk.

In the trunk visceral fat measuring device for measuring the trunk visceral fat tissue, the lower limb bioimpedance measuring means for measuring the bioimpedance of the lower limb and the upper limb bioimpedance for measuring the bioimpedance of the upper limb Based on the measurement means, the trunk bioimpedance measurement means for measuring the bioimpedance of the trunk, and the measured bioimpedance of the lower limb, the bioimpedance of the upper limb, and the body specifying information Trunk skeletal muscle tissue layer estimation means for estimating the amount, trunk skeletal muscle tissue layer impedance for estimating trunk skeletal muscle tissue layer impedance based on the estimated trunk skeletal muscle tissue amount and body specifying information Based on the estimation means and body specific information, the impedance of the subcutaneous fat tissue layer of the trunk Torso subcutaneous fat tissue layer impedance estimating means, torso internal organ tissue impedance estimating means for estimating internal organ tissue impedance of the trunk, the estimated bioimpedance of the trunk, and the estimated trunk skeleton Trunk visceral adipose tissue impedance estimation means for estimating the impedance of the trunk visceral adipose tissue based on the impedance of the muscle tissue layer, the impedance of the subcutaneous fat tissue layer of the trunk and the impedance of the internal organ tissue of the trunk, and the estimation A trunk visceral fat tissue amount estimating means for estimating the trunk visceral fat tissue amount based on the impedance of the trunk visceral fat tissue and the body specifying information, and the trunk subcutaneous fat tissue layer impedance estimating means Are two useful methods for estimating the amount of subcutaneous adipose tissue around the trunk abdomen. A body including at least one set of current application electrode pairs that are simultaneously disposed in a region and at least one set of voltage measurement electrode pairs that are respectively disposed at positions close to the current application electrodes on the periphery of the trunk abdomen, A trunk visceral fat measuring device characterized by obtaining impedance of a subcutaneous fat tissue layer of a trunk.

The two sites that are highly useful for estimating the amount of subcutaneous adipose tissue are the combination of the lateral umbilicus and the flank on the circumference of the umbilical cord, the combined lateral umbilicus and the lower scapula, or the lower scapula and the side. Combination of abdomen, combination of flank and aponeurosis, combination of lateral umbilicus and aponeurosis, or combination of umbilical cavity and spine on umbilical circumference, or umbilical cavity and aponeurosis The trunk visceral fat measuring device according to claim 10 or 11, which is a combination site.

12. The trunk visceral fat according to claim 10 or 11, wherein the two sites highly useful for estimating the amount of subcutaneous fat tissue are a combination site of a site candidate portion having the largest subcutaneous fat tissue deposition and a thinnest site. measuring device.

The trunk visceral fat measuring apparatus according to any one of claims 10 to 13, wherein the two sites that are highly useful for estimating the amount of subcutaneous fat tissue are selected as a plurality of combined sites.

The trunk visceral fat measuring device according to any one of claims 10 to 14, wherein the position close to each of the current application electrodes is a position where the influence of spreading resistance directly under the current application electrode is dominant.

The trunk visceral adipose tissue impedance estimation means is such that an electrical equivalent circuit of the trunk has a subcutaneous circuit of the trunk with respect to a series circuit of the impedance of the internal organ tissue of the trunk and the impedance of the visceral adipose tissue of the trunk. The trunk visceral fat measuring device according to any one of claims 10 to 15, wherein estimation is performed on the assumption that an impedance of a fat tissue layer and an impedance of the trunk skeletal muscle tissue layer are connected in parallel.

The trunk internal organ tissue impedance estimation means estimates the internal organ tissue amount of the trunk from the body identification information, and based on the estimated internal organ tissue amount and body identification information of the trunk The trunk visceral fat measuring device according to any one of claims 10 to 16, wherein tissue impedance is estimated.

A trunk abdominal site subcutaneous fat tissue layer impedance measuring means for measuring a potential difference between each voltage measurement electrode pair and measuring a subcutaneous fat tissue layer impedance of each site of the trunk abdomen, and each measured site A trunk adipose tissue layer impedance estimation means for estimating a trunk adipose fat tissue layer impedance based on the subcutaneous adipose tissue layer impedance, and the estimated subcutaneous adipose tissue layer impedance and body identification information of the trunk The trunk visceral fat measuring device according to any one of claims 10 to 17, further comprising: a trunk trunk fat tissue amount estimation stage that estimates a subcutaneous fat tissue volume of the trunk.

The respiratory variation influence removing means for removing the influence of the variation due to respiration based on the bioimpedance of the trunk measured at a sampling cycle shorter than the respiratory cycle time. Torso visceral fat measuring device.

The body according to any one of claims 10 to 19, further comprising an abnormal value determination processing unit that performs an abnormal value determination process by comparing the measured bioelectrical impedance of the trunk with a general value of a group. Executive visceral fat measuring device.