Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Reexamination Certificate
2005-01-19
2011-11-01
Le, Long V. (Department: 3768)
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
C600S310000, C600S323000, C600S476000
Reexamination Certificate
active
08050744
ABSTRACT:
In an optical measurement system and imaging method adapted to measure in vivo information in a living body without harming the living body, light rays of a plurality of wavelengths which are modulated in intensity with a plurality of different frequencies are irradiated on a plurality of irradiation positions on the surface of a living body, and time-variable changes in living body transmitting light intensity levels corresponding to the respective wavelengths and the respective irradiation positions are measured at different positions on the surface of the living body. Light is utilized to image the results of the measurements, in which the measuring time is shortened by estimating fluctuation attributable to the living body, and the presence or absence of a change in measured signal can be decided easily by displaying an estimation signal and a measured signal at a time.
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Ito Yoshitoshi
Kawaguchi Fumio
Koizumi Hideaki
Maki Atsushi
Yamashita Yuichi
Antonelli, Terry Stout & Kraus, LLP.
Hitachi , Ltd.
Hoffa Angela M
Le Long V.
LandOfFree
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