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. 25, 2025
Filed:
Oct. 30, 2019
Hamamatsu Photonics K.k., Hamamatsu, JP;
HAMAMATSU PHOTONICS K.K., Hamamatsu, JP;
Abstract
A concentration measurement apparatus includes a light input unit for inputting measurement light to a measurement target portion, a light detection unit for detecting the measurement light propagated inside the measurement target portion, and generating a detection signal according to an intensity of the measurement light, and a calculation unit for obtaining hemoglobin-related information based on the detection signal. The calculation unit performs filter processing of extracting a component derived from respiration among frequency components included in the detection signal, the hemoglobin-related information, or a numerical value appearing in a calculation process of the hemoglobin-related information for obtaining the hemoglobin-related information in a vein of the measurement target portion.
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