JP2006288735A5

JP2006288735A5 -

Info

Publication number: JP2006288735A5
Application number: JP2005113659A
Authority: JP
Filing date: 2005-04-11
Publication date: 2007-09-20
Anticipated expiration: 2025-04-11

Claims

A trunk visceral fat measurement method characterized in that a trunk visceral fat tissue amount is obtained based on body specifying information, trunk bioimpedance by a first frequency, and trunk bioimpedance by a second frequency.

In a trunk visceral fat measurement method for measuring a trunk visceral fat tissue, the bioimpedance of the trunk is measured at a first frequency, and the living body of the trunk is measured at a second frequency higher than the first frequency. Impedance is measured, the impedance of the trunk skeletal muscle tissue layer is determined based on the bioimpedance of the trunk measured at the first frequency and the second frequency, and the impedance of the internal organ tissue is determined based on the body specifying information And obtaining the impedance of the trunk visceral adipose tissue based on the obtained bioimpedance of the trunk, the impedance of the trunk skeletal muscle tissue layer and the impedance of the internal organ tissue of the trunk, and the obtained The trunk visceral fat according to claim 1, further comprising: determining a trunk visceral fat tissue amount based on the impedance of the trunk visceral fat tissue and the body specifying information. Constant method.

In a trunk visceral fat measurement method for measuring a trunk visceral fat tissue, the bioimpedance of the trunk is measured at a first frequency, and the living body of the trunk is measured at a second frequency higher than the first frequency. Impedance is measured, the impedance of the trunk skeletal muscle tissue layer is determined based on the bioimpedance of the trunk measured at the first frequency and the second frequency, and the subcutaneous fat of the trunk is determined based on the body specifying information The impedance of the tissue layer is obtained, the impedance of the internal organ tissue is obtained based on the body specifying information, the bioimpedance of the obtained trunk, the obtained impedance of the trunk skeletal muscle tissue layer, the subcutaneous fat tissue of the trunk The impedance of the trunk visceral adipose tissue is determined based on the impedance of the layer and the internal organ tissue of the trunk, and Trunk visceral fat measuring method according to claim 1, comprising obtaining the trunk visceral fat tissue volume on the basis of the impedance and the body specifying information.

In a trunk visceral fat measurement method for measuring a trunk visceral fat tissue, the trunk biometric impedance is measured at a first frequency, and the trunk biological body is measured at a second frequency higher than the first frequency. The impedance is measured, the impedance of the internal organ tissue is obtained based on the body specifying information, the bioimpedance of the trunk measured at the first frequency and the second frequency, and the obtained internal organ tissue of the trunk 2. The method according to claim 1, further comprising: obtaining an impedance of the trunk visceral adipose tissue based on the impedance; and obtaining an amount of the trunk visceral adipose tissue based on the obtained impedance of the trunk visceral adipose tissue and body specifying information. Torso fat measurement method.

In a trunk visceral fat measurement method for measuring a trunk visceral fat tissue, the bioimpedance of the trunk is measured at a first frequency, and the living body of the trunk is measured at a second frequency higher than the first frequency. The impedance is measured, the impedance of the subcutaneous fat tissue layer of the trunk is determined based on the body specifying information, the impedance of the internal organ tissue is determined based on the body specifying information, and the first frequency and the second frequency are calculated. And determining the impedance of the trunk visceral adipose tissue based on the bioimpedance of the trunk measured in this way, the impedance of the subcutaneous fat tissue layer of the trunk and the impedance of the internal organ tissue of the trunk, and the obtained trunk The trunk visceral fat measurement method according to claim 1, further comprising: obtaining a trunk visceral fat tissue amount based on the impedance of the visceral fat tissue and body specifying information.

Body specifying information acquiring means for acquiring body specifying information, first trunk bioimpedance measuring means for measuring the impedance of the trunk at the first frequency, and trunk bioimpedance at the second frequency The body trunk visceral adipose tissue amount is obtained based on the second trunk bioimpedance measuring means for measuring the body, the body specifying information, the trunk bioimpedance by the first frequency, and the trunk bioimpedance by the second frequency. A trunk visceral fat measuring device comprising: a trunk visceral fat tissue amount estimating means.

In a trunk visceral fat measuring device for measuring a trunk visceral fat tissue, the biological impedance of the trunk is measured at a first frequency and the living body of the trunk is measured at a second frequency higher than the first frequency. Trunk bioimpedance measuring means for measuring impedance, and body for estimating the impedance of the trunk skeletal muscle tissue layer based on the trunk bioimpedance measured at the first frequency and the second frequency Stem skeletal muscle tissue impedance estimation means, trunk internal organ tissue impedance estimation means for estimating impedance of internal organ tissue based on body specifying information, measured trunk bioimpedance, and estimated trunk skeleton Based on the impedance of the muscle tissue layer and the impedance of the internal organs of the trunk, the impedance of the trunk visceral fat tissue is estimated Torso visceral fat tissue impedance estimating means, and torso visceral adipose tissue amount estimating means for estimating the torso visceral adipose tissue amount based on the estimated impedance and body specifying information of the torso visceral fat tissue The trunk visceral fat measuring device according to claim 6 .

In a trunk visceral fat measuring device for measuring trunk visceral fat, the bioimpedance of the trunk is measured at a first frequency and the bioimpedance of the trunk at a second frequency higher than the first frequency. A trunk bioimpedance measuring apparatus for measuring the trunk, and a trunk for estimating the impedance of the trunk skeletal muscle tissue layer based on the trunk bioimpedance measured at the first frequency and the second frequency Skeletal muscle tissue layer impedance estimation means, trunk subcutaneous fat tissue layer impedance estimation means for estimating impedance of trunk subcutaneous fat tissue layer based on body identification information, and internal organ tissue based on body identification information Intracorporeal organ tissue impedance estimating means for estimating impedance, the measured biological impedance of the trunk, and the estimated trunk bone The 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 The trunk visceral fat measuring device according to claim 6 , further comprising trunk 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.

In a trunk visceral fat measuring device for measuring a trunk visceral fat tissue, the biological impedance of the trunk is measured at a first frequency and the living body of the trunk is measured at a second frequency higher than the first frequency. Trunk bioimpedance measuring means for measuring impedance, trunk organ tissue impedance estimating means for estimating impedance of internal organ tissue based on body specifying information, and the first frequency and the second frequency A trunk visceral adipose tissue impedance estimating means for estimating the impedance of the trunk visceral adipose tissue based on the measured biological impedance of the trunk and the estimated impedance of the organ tissue in the trunk, and the estimated trunk viscera A trunk visceral adipose tissue amount estimation means for estimating a trunk visceral adipose tissue amount based on impedance of fat tissue and body specifying information; Trunk visceral fat measuring apparatus according to claim 6, comprising.

In a trunk visceral fat measuring device for measuring trunk visceral fat, the bioimpedance of the trunk is measured at a first frequency and the bioimpedance of the trunk at a second frequency higher than the first frequency. A trunk bioimpedance measuring means for measuring the impedance, a trunk subcutaneous fat tissue layer impedance estimating means for estimating the impedance of the subcutaneous fat tissue layer of the trunk based on the body specifying information, and based on the body specifying information Trunk organ tissue impedance estimation means for estimating impedance of the internal organ tissue; bioimpedance of the trunk measured at the first frequency and the second frequency; and the estimated subcutaneous fat tissue layer of the trunk Trunk visceral adipose tissue estimating impedance of trunk visceral adipose tissue based on impedance and impedance of organ tissue in trunk And impedance estimating means, according to claim 6 and a trunk visceral fat tissue volume estimating means for estimating the trunk visceral fat tissue volume on the basis of the impedance and the body specifying information of the trunk visceral fat tissue the estimated Trunk visceral fat measuring device.

The trunk subcutaneous fat tissue layer impedance estimation means estimates the amount of subcutaneous fat tissue of the trunk from the body specifying information, and based on the estimated amount of subcutaneous fat tissue of the trunk and the body specifying information, The trunk visceral fat measuring device according to claim 8 or 10 , wherein the impedance of the subcutaneous fat tissue layer is estimated.

The trunk visceral adipose tissue impedance estimating means is configured such that an electrical equivalent circuit of the trunk corresponds to a serial circuit of an impedance of the internal organ tissue of the trunk and an impedance of the trunk visceral fat tissue. The trunk visceral fat measuring device according to claim 7 or 9 , wherein the estimation is performed assuming that the impedance of the tissue layer is connected in parallel.

The trunk visceral adipose tissue impedance estimating means is configured such that an electrical equivalent circuit of the trunk is subcutaneous 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 trunk visceral fat tissue. The trunk visceral fat measuring device according to claim 8, 10 or 11 , 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 specifying information, and based on the estimated internal organ tissue amount and body specifying information of the trunk The trunk visceral fat measuring device according to any one of claims 7 to 13 , which estimates tissue impedance.

The trunk visceral fat measuring device according to any one of claims 6 to 14 , wherein the body specifying information is information indicating physical characteristics.

The information indicating the physical characteristics includes height, sex, weight, age, limb length (lower limb length, upper limb length), trunk length (trunk middle length), waist circumference, abdominal width, abdominal thickness, etc. Item 15. The trunk visceral fat measuring device according to Item 15 .

12. The trunk visceral organ according to claim 11 , further comprising a trunk abdominal fat tissue amount estimation means for estimating a trunk abdominal fat tissue amount from the estimated trunk trunk adipose tissue amount and the estimated trunk subcutaneous adipose tissue amount. Fat measuring device.

Claim 11 or 17 further comprising a trunk visceral fat / subcutaneous fat ratio estimation means for estimating the trunk visceral fat / subcutaneous fat ratio from said estimated trunk subcutaneous fat tissue volume and the estimated trunk visceral fat tissue volume The trunk visceral fat measuring device described in 1.

According to any one of claims 6 to 18 comprising a respiratory variation effect removal means for removing the influence of the variation due to respiration based on the bioelectrical impedance of the trunk measured at short sampling periods than the breathing cycle time further Trunk visceral fat measuring device.

The trunk bioimpedance measuring means includes an energization route trunk abdominal bioimpedance between the upper right limb and the right lower limb, an energization route trunk abdominal bioimpedance between the left upper limb and the right lower limb, and an energization route trunk abdominal portion between the upper right limb and the left lower limb. Abdominal part that measures bioimpedance and bioelectrical impedance of trunk trunk abdomen bioelectrical impedance between left upper limb and left lower limb, and performs abnormality determination processing such as abdominal organ tissue based on each measured root trunk abdomen bioimpedance The trunk visceral fat measurement device according to any one of claims 6 to 19 , further comprising abnormality determination processing means such as internal organ tissue.

In a limb skeletal muscle mass measuring device for measuring limb skeletal muscle tissue mass of upper limbs, lower limbs, etc., the bioimpedance of upper limbs, lower limbs, etc., is measured at a first frequency and upper limbs are measured at a second frequency. Limb bioimpedance measuring means for measuring bioimpedance of the limb such as the lower limb, bioimpedance of the limb measured at the first frequency and the second frequency, or one of them, and body specifying information An limb skeletal muscle tissue amount estimation means for estimating the limb skeletal muscle tissue amount based on the limb skeletal muscle tissue amount estimation means.

In a trunk skeletal muscle mass measuring device for measuring a skeletal muscle mass tissue of a trunk, the bioimpedance of the trunk is measured at a first frequency and the bioimpedance of the trunk is measured at a second frequency. Trunk bioimpedance measuring means for estimating the impedance of the trunk skeletal muscle tissue layer based on the trunk bioimpedance measured at the first frequency and the second frequency Characterized in that it comprises layer impedance estimation means and trunk skeletal muscle tissue amount estimation means for estimating trunk skeletal muscle tissue amount based on the estimated trunk skeletal muscle tissue layer impedance and body specifying information. Torso skeletal muscle tissue mass measuring device.