JP2007014552A5

JP2007014552A5 -

Info

Publication number: JP2007014552A5
Application number: JP2005199169A
Authority: JP
Filing date: 2005-07-07
Publication date: 2007-09-20
Anticipated expiration: 2025-07-07

Claims

By applying a current from the current application electrode pair to the trunk, measuring the potential difference generated in the trunk with the voltage measurement electrode pair, and measuring the impedance of the trunk, visceral fat tissue information of the trunk, and / Or a method for obtaining subcutaneous fat tissue layer information, wherein one current application electrode of the current application electrode pair is disposed on the trunk, and the other current application electrode is disposed on a portion protruding from the trunk. A method for measuring a visceral / subcutaneous fat of a trunk.

Visceral adipose tissue information of the trunk by providing a current application electrode pair for applying a current to the trunk and a voltage measurement electrode pair for measuring a potential difference generated in the trunk, and measuring impedance of the trunk And / or a device for obtaining subcutaneous fat tissue layer information, wherein one current applying electrode of the current applying electrode pair is disposed on the trunk, and the other current applying electrode is disposed at a portion protruding from the trunk. A trunk visceral / subcutaneous fat measuring device characterized by being arranged.

The apparatus according to claim 2 , wherein the part protruding from the trunk is an limb or a head.

The device according to claim 3, wherein the part protruding from the trunk is an ear of the head.

One voltage measurement electrode of the voltage measurement electrode pair is disposed in the proximity of the one current application electrode, and the other voltage measurement electrode is disposed at a position far from the one current application electrode in the longitudinal direction of the trunk. The apparatus according to any one of claims 2 to 4 , wherein the trunk subcutaneous fat tissue layer information is obtained by measuring impedance of the trunk.

The apparatus according to claim 5 , wherein the one current application electrode and the one voltage measurement electrode are arranged and measured in any of the vicinity of the umbilical position, the flank, and the dorsum.

The one current application electrode applies a current to a site where the subcutaneous fat tissue layer is thin, or a region where the muscle abdomen of the skeletal muscle tissue layer is absent or thin,
One voltage measurement electrode of the voltage measurement electrode pair is disposed at a position where the influence of the spreading resistance immediately below the one current application electrode is dominant, and the other voltage measurement electrode is reduced in the influence of the spreading resistance. The device according to any one of claims 2 to 6 , wherein the subcutaneous fat tissue layer information is obtained by measuring a potential difference between the one voltage measurement electrode and the other voltage measurement electrode. .

8. The apparatus according to claim 7, wherein the other voltage measurement electrode measures the potential difference at a site where the subcutaneous fat tissue layer is thin or a region where the muscle abdomen of the skeletal muscle tissue layer is absent or thin.

The position where the influence of the spreading resistance is dominant is any one of the vicinity of the umbilical position, the flank, and the dorsum, and the position separated until the influence of the spreading resistance is reduced is the upper edge of the umbilicus and the iliac crest. 9. An apparatus according to claim 7 or 8 , which is between the parts.

The one voltage measurement electrode is disposed in a proximity position with respect to the one current application electrode, and the other voltage measurement electrode is disposed in a proximity position with respect to the one current application electrode. disposed sufficiently distant position from the voltage measuring electrodes, to any one of claims 7 to 9 obtain information of the subcutaneous fat tissue layer by measuring the potential difference between the and the one voltage measuring electrode and the other voltage measuring electrode The device described.

The apparatus according to claim 10, wherein the sufficiently distant position is a position more than three times the close position.

Having at least one current applying electrode pair and at least two voltage measuring electrode pairs;
One current application electrode of the current application electrode pair applies a current to a site where the subcutaneous fat tissue layer is thin, or a region where the muscle abdomen of the skeletal muscle tissue layer is absent or thin,
One voltage measurement electrode included in one voltage measurement electrode pair of the at least two voltage measurement electrode pairs is disposed at a position where the influence of the spreading resistance immediately below the one current application electrode is dominant, and the other voltage measurement electrode The electrodes are arranged at positions separated until the influence of the spreading resistance is reduced, and subcutaneous fat tissue layer information is obtained by measuring a potential difference between the one voltage measurement electrode and the other voltage measurement electrode. Is,
The other voltage measurement electrode pair of the at least two voltage measurement electrode pairs is arranged at a position separated until the influence of the spreading resistance is reduced, and obtains visceral fat tissue information by measuring a potential difference,
5. The switching device according to claim 2 , further comprising a switching device that selects the one voltage measurement electrode pair and the other voltage measurement electrode pair and selectively obtains the subcutaneous fat tissue layer information and the visceral fat tissue information. The device described in 1.

13. The apparatus according to claim 12, wherein the other voltage measurement electrode pair measures the potential difference at a site where the subcutaneous fat tissue layer is thin or a region where the skeletal muscle tissue layer is absent or thin.

The position where the influence of the spreading resistance is dominant is any one of the vicinity of the umbilical position, the flank, and the dorsum, and the position separated until the influence of the spreading resistance is reduced is the upper edge of the umbilicus and the iliac crest. 14. An apparatus according to claim 12 or 13 between the parts.

The one voltage measurement electrode is disposed in a proximity position with respect to the one current application electrode, and the other voltage measurement electrode is more sufficiently than the one voltage measurement electrode with respect to the one current application electrode. The apparatus according to any one of claims 12 to 14 , which is disposed at a distant position and obtains information on a subcutaneous fat tissue layer by measuring a potential difference between the one voltage measurement electrode and the other voltage measurement electrode.

The apparatus of claim 15, wherein the sufficiently distant position is a position that is at least three times the close position.

A trunk visceral adipose tissue quantity estimation means for estimating a trunk visceral adipose tissue quantity based on the impedance of the trunk and the body specifying information obtained by using the potential difference measured by the at least two voltage measurement electrode pairs; The apparatus according to claim 12 , further comprising:

A trunk subcutaneous fat tissue mass estimation means for estimating the trunk fat tissue quantity based on the trunk impedance and body identification information obtained by using the potential difference measured by the one voltage measurement electrode pair; , Body trunk subcutaneous fat tissue volume estimation means for estimating body trunk subcutaneous fat tissue volume based on the estimated body trunk subcutaneous fat tissue volume and body specifying information, and the body trunk subcutaneous fat tissue volume estimated And body trunk subcutaneous fat tissue layer impedance estimating means for estimating the trunk subcutaneous fat tissue layer impedance based on the body specific information, and estimating the internal organ tissue amount of the trunk based on the body specific information, A trunk internal organ tissue impedance estimating means for estimating impedance of the internal organ tissue of the trunk based on the estimated internal organ tissue amount of the trunk and the body specifying information; and Trunk visceral adipose tissue impedance estimation means for estimating the impedance of the trunk visceral adipose tissue based on the impedance of the trunk, the impedance of the estimated trunk skeletal muscle tissue layer and the impedance of the organ tissue in the trunk, and 18. The trunk visceral adipose tissue amount estimation means for estimating the trunk visceral adipose tissue amount based on the estimated trunk visceral adipose tissue impedance and body specifying information, according to any one of claims 12 to 17 . apparatus.

The one current applying subcutaneous fat tissue layer is thin from the electrode sites, or to any one of claims 2 to 18, and electric current was applied to the muscle belly has no or a thin portion of the skeletal muscle tissue layer determine the visceral fat tissue information The device described.

The apparatus according to any one of claims 2 to 19 , wherein the one current application electrode is disposed on a skeletal muscle group arranged long in the longitudinal direction of the trunk abdomen above the umbilical position.

21. The apparatus according to any one of claims 2 to 20 , further comprising respiratory fluctuation effect removing means for removing the influence of fluctuation due to breathing based on the impedance of the trunk measured at a sampling cycle shorter than the respiratory cycle time.

The apparatus according to any one of claims 2 to 21 , further comprising an abnormal value determination processing unit that performs an abnormal value determination process by comparing the measured impedance of the trunk with a general value of a group.