Instrument for measuring biologica linformation and method for measuring biological information

A technology for measuring organic tissue and information, which is applied in blood characterization devices, diagnostic recording/measurement, medical science, etc., and can solve the problems of expensive raw materials for organic tissue information measuring devices

Inactive Publication Date: 2004-06-09
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0020] Also, in both the second and third examples, multiple expensive photodetectors need to be p

Method used

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  • Instrument for measuring biologica linformation and method for measuring biological information
  • Instrument for measuring biologica linformation and method for measuring biological information
  • Instrument for measuring biologica linformation and method for measuring biological information

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0124] Fig. 1(a) is a schematic diagram of an organic tissue information measuring apparatus according to a first embodiment of the present invention. 1(b) is a partial plan view of the organic tissue information measuring apparatus according to the present embodiment. As shown in FIG. 1(a), the organic information measuring device according to the present embodiment is equipped with a data storage device 101, a computing device 102, a display device 103, a photodiode 104 connected to the computing device 102, and a photodiode 104 to be placed in close contact with the organic tissue. Contact LED. Here, the center wavelength of the LED 105 needs to be able to be in the range of 550 nm to 800 nm. In this wavelength range, the subcutaneous fat and the muscle under the subcutaneous fat have different optical transmission properties from each other, and light tends to scatter a little more in the fat, so the difference in the amount of light received by the photodiode is easily c...

Embodiment 2

[0137] Fig. 2(a) is a schematic diagram of an organic tissue information measuring apparatus according to Embodiment 2 of the present invention. Referring to FIG. 2( a ), in the organic tissue information measuring apparatus according to the present embodiment, elements equivalent or corresponding to FIG. 1( a ) are designated by the same reference numerals, and a detailed description thereof is omitted. Also, the detection area changer 201 of the present embodiment includes two plate-like elements 201a and 201b. The plate-like element 201a is in close contact with or very close to the organic tissue surface 107, and the plate-like element 201b is placed in the form of a slidable layer on top of the plate-like element 201a.

[0138] Also, the plate-like elements 201a and 201b are further formed with slits 202a and 202b at their central positions, respectively, so that when the plate-like elements 201a and 201b are layered, an opening 203 is formed at the intersection of the sl...

Embodiment 3

[0149] Fig. 3(a) is a diagrammatic view of an organic tissue information measuring device according to a third embodiment of the present invention, and Fig. 3(b) is a partial plan view thereof. refer to Figure 3(a) and 3(b) , in the organic tissue information measuring device according to the present embodiment, an element identical to or corresponding to an element of FIG. 1(a) is denoted by the same reference numeral, and a detailed description thereof is omitted. Also, the organic tissue measurement device according to the present embodiment is equipped with detection region changing means 301 and light shielding means 302 . The detection area changing device 301 is placed in close contact with the organic tissue, and the size of the probe 303 can be adjusted on the organic tissue surface 107 by manipulation by a human. The light shielding device 302 is placed between the LED 105 and the photodiode 104 so as to prevent the light of the LED 105 from directly penetrating i...

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Abstract

Because of using a plurality of light sources and photodetectors, fluctuation of output characteristic among individual light sources and fluctuation of output characteristic among individual photodetectors impede a measurement in a satisfactory precision. The organism information measuring apparatus comprises an LED (105); a detecting region changer (108) for changing a position of a region of light emitted from the LED (105) that has passed through the organism and has again been emitted toward outside through the organism surface; a photodiode (104) for detecting the light that has passed through the detecting region changer (108); a computing unit (104) for acquiring light information related to the light detected by the photodiode (104) , and generating information related to the organism referring to the light information and sample information; and a data storing unit (101) for storing the sample information.

Description

technical field [0001] The present invention relates to a measuring device and a measuring method of organic tissue information for measuring organic tissue information such as subcutaneous fat spinning thickness, body fat percentage and the like. Background technique [0002] Heretofore, various devices for the non-invasive measurement of subcutaneous fat thickness have been proposed. [0003] Here, FIG. 9( a ) shows the operation of a first working example of organic tissue information measurement for non-invasive measurement of subcutaneous fat thickness according to the conventional technique. [0004] As shown in Fig. 9(a), the subcutaneous fat thickness measuring device according to the first working example is equipped with a single light source 901 and a photodetector 902 placed on the organic tissue skin (900), and the photodetector is connected to a pending The computing device 903 and the data storage device 904 used by the computing device 903 . [0005] In thi...

Claims

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Application Information

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IPC IPC(8): A61B5/00
CPCA61B5/4872A61B5/0059
Inventor 近藤和也内田真司
Owner PANASONIC CORP
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