SUBJECT INFORMATION ACQUISITION APPARATUS

PROBLEM TO BE SOLVED: To provide a subject information acquisition apparatus in which viscoelastic characteristics in a subject are imaged by a simple method.SOLUTION: A viscoelasticity measurement reference layer whose elastic modulus and viscosity coefficient are known is included between an ultra...

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Bibliographic Details
Main Authors YAMAKAWA MAKOTO, OIKAWA KATSUYA, SHIINA TAKESHI, OSANAGA KENICHI
Format Patent
LanguageEnglish
Published 15.11.2012
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:PROBLEM TO BE SOLVED: To provide a subject information acquisition apparatus in which viscoelastic characteristics in a subject are imaged by a simple method.SOLUTION: A viscoelasticity measurement reference layer whose elastic modulus and viscosity coefficient are known is included between an ultrasonic wave transmitting/receiving probe and the subject and distributions of elastic modulus and viscosity coefficient inside the subject are calculated from a change over time of strain generated in the viscoelasticity measurement reference layer and the subject according to a pressure applied to the subject which changes over time and known elastic modulus and viscosity coefficient of the viscoelasticity measurement reference layer.
Bibliography:Application Number: JP20120087762