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Title:
CONCENTRATION MEASUREMENT DEVICE AND CONCENTRATION MEASUREMENT METHOD
Document Type and Number:
Japanese Patent JP2013169470
Kind Code:
A
Abstract:

To provide a concentration measurement device and a concentration measurement method, allowing the evaluation of the accuracy of calculation or the possibility of reverse direction blood transmission from a main vein to a head based on a phase shift between an oxygenated hemoglobin concentration and a deoxidized hemoglobin concentration.

A concentration measurement device includes: a probe 20 having a light incident part making measurement light incident on a head, and a photodetection part detecting the measurement light having propagated inside the head; and a CPU 14 obtaining the temporal relative change amounts of an oxygenated hemoglobin concentration and a deoxidized hemoglobin concentration, and obtaining a numerical value representing a phase shift between the relative change amounts.


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WO/2010/107913ADHERENT DEVICE WITH OXIMETER AND PHYSIOLOGICAL SENSORS
Inventors:
OZAKI TAKEO
SUZUKI SUSUMU
Application Number:
JP2013072646A
Publication Date:
September 02, 2013
Filing Date:
March 29, 2013
Export Citation:
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Assignee:
HAMAMATSU PHOTONICS KK
International Classes:
A61B5/1455; G01N21/35
Domestic Patent References:
JP2004154481A2004-06-03
JP2009125402A2009-06-11
JP2008167818A2008-07-24
JP2004154481A2004-06-03
JP2009125402A2009-06-11
JP2008167818A2008-07-24
Foreign References:
WO2006009178A12006-01-26
WO1992021283A11992-12-10
WO2006006143A12006-01-19
WO2006009178A12006-01-26
WO1992021283A11992-12-10
WO2006006143A12006-01-19
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Satoru Ishida
Shotaro Terasawa



 
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