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Title:
MEASURING APPARATUS AND MEASURING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/039269
Kind Code:
A1
Abstract:
A measuring apparatus includes a light source configured to output light in a mid-infrared region, a detector configured to irradiate a measuring object with the light output from the light source and detect reflected light reflected by the measuring object, and a blood glucose level measuring device configured to measure a blood glucose level of the measuring object. A wavenumber between a plurality of absorption peak wavenumbers of glucose is used as a blood glucose level measuring wavenumber for measuring the blood glucose level.

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Inventors:
KASAHARA RYOSUKE (JP)
MATSUURA YUJI (JP)
Application Number:
PCT/JP2018/029666
Publication Date:
February 28, 2019
Filing Date:
August 07, 2018
Export Citation:
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Assignee:
RICOH CO LTD (JP)
UNIV TOHOKU (JP)
KASAHARA RYOSUKE (JP)
MATSUURA YUJI (JP)
International Classes:
A61B5/145; A61B5/00; A61B5/1455
Domestic Patent References:
WO2001079818A22001-10-25
Foreign References:
JP5376439B22013-12-25
JP4672147B22011-04-20
JP2018099150A2018-05-23
Other References:
SAIKO KINO ET AL: "Hollow optical-fiber based infrared spectroscopy for measurement of blood glucose level by using multi-reflection prism", BIOMEDICAL OPTICS EXPRESS, vol. 7, no. 2, 1 February 2016 (2016-02-01), United States, pages 701 - 27, XP055518772, ISSN: 2156-7085, DOI: 10.1364/BOE.7.000701
SABBIR LIAKAT ET AL: "Noninvasive in vivo glucose sensing on human subjects using mid-infrared light", BIOMEDICAL OPTICS EXPRESS, vol. 5, no. 7, 23 June 2014 (2014-06-23), United States, pages 2397, XP055519120, ISSN: 2156-7085, DOI: 10.1364/BOE.5.002397
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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