Title:
MEDICAL PHOTOMETER
Document Type and Number:
WIPO Patent Application WO/2021/002266
Kind Code:
A1
Abstract:
An input interface (41) is configured to receive a signal (S1) corresponding to a quantity of light that has passed through a living tissue of a subject. A pressurization controller (44) is configured to control a pressurizing operation performed with a pressurization device (30) attached to a body of the subject, thereby changing at least one of a thickness of the living tissue, an amount of blood contained in the living tissue, an amount of cellular interstitial fluid contained in the living tissue, an amount of blood flowing into the living tissue, and an amount of blood flowing out from the living tissue. A processor (43) is configured to acquire, from a temporal change of the signal (S1) due to the pressurizing operation, a feature quantity that is used for estimating at least one of a physiological state of the living tissue and a disease state of the subject.
Inventors:
SAEKI KOTA (JP)
KOBAYASHI NAOKI (JP)
KOBAYASHI NAOKI (JP)
Application Number:
PCT/JP2020/024879
Publication Date:
January 07, 2021
Filing Date:
June 24, 2020
Export Citation:
Assignee:
NIHON KOHDEN CORP (JP)
International Classes:
A61B5/026; A61B5/00; A61B5/0295; A61B5/022
Foreign References:
| US20140213865A1 | 2014-07-31 | |||
| US6587704B1 | 2003-07-01 | |||
| US20030212316A1 | 2003-11-13 | |||
| JP4196209B2 | 2008-12-17 | |||
| JP2019123717A | 2019-07-25 |
Attorney, Agent or Firm:
SHIN-EI PATENT FIRM, P.C. (JP)
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