The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 27, 2012
Filed:
Nov. 30, 2006
Tsunenori Arai, Kanagawa, JP;
Yuki Kawase, Kanagawa, JP;
Yasunobu Oka, Kanagawa, JP;
Narushi Ito, Tokyo, JP;
Tsunenori Arai, Kanagawa, JP;
Yuki Kawase, Kanagawa, JP;
Yasunobu Oka, Kanagawa, JP;
Narushi Ito, Tokyo, JP;
Keio University, Tokyo, JP;
Tanita Corporation, Tokyo, JP;
Abstract
A device and method for optically measuring a substance in blood using the nail as an optical window are provided. A device for optically measuring a test substance in blood by using the nail as an optical window and correcting or eliminating fluctuation of a measurement value based on optical characteristics of the nail plate, comprising irradiation means applying light within a wavelength range for measuring absorption by the test substance to the nail of a subject, detection means detecting light diffused/reflected from or transmitted through the body of the subject, and processing means processing a signal obtained by the detection means to convert the signal into a concentration of the test substance.