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Non-invasive body component concentration measuring apparatus and method of noninvasively measuring a concentration of a body component using the same

  • US 7,310,542 B2
  • Filed: 01/21/2005
  • Issued: 12/18/2007
  • Est. Priority Date: 01/20/2004
  • Status: Active Grant
First Claim
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1. A non-invasive body component measuring apparatus for measuring a concentration of a body component in a measuring portion of a living body, the apparatus comprising:

  • a light source unit for generating light of a predetermined wavelength;

    a spectroscope for dividing the light into a predetermined wavelength band and for applying the light onto the measuring portion;

    a detection unit for detecting light reflected or transmitted by the measuring portion and for converting the detected light into an electrical signal;

    a signal processing unit for processing the electrical signal; and

    a body-apparatus interface unit for fixing a periphery of the measuring portion during measurement, wherein the body-apparatus interface unit includes;

    a fixing section for securing the periphery of the measuring portion;

    an expanding section for stretching the measuring portion by expanding the fixing section;

    a body-light reacting section for compressing the measuring portion into a predetermined thickness, the body-light reacting section having two optical windows for transmitting light; and

    a thickness adjusting section for adjusting a distance between the two optical windows.

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