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Honjo et al. - Google Patents

Ultrasonic Measurement of Two-Dimensional Displacement of Heart Motion for Estimation of Myocardial Regional Strain Rate

Honjo et al.

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Document ID
10898770040306532443
Author
Honjo Y
Hasegawa H
Kanai H

External Links

Snippet

Today, methods for imaging of the myocardial strain rate along ultrasonic beam direction are useful techniques for quantitative evaluation of the regional heart function [1]. However, there are some components in the wall motion which are not along ultrasonic beams. In this …
Continue reading at www.ecei.tohoku.ac.jp (PDF) (other versions)

Classifications

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    • A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • A61B8/0883—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of the heart
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B8/5215—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data
    • A61B8/5223—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data for extracting a diagnostic or physiological parameter from medical diagnostic data
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    • A61B8/48—Diagnostic techniques
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    • A61B8/48—Diagnostic techniques
    • A61B8/485—Diagnostic techniques involving measuring strain or elastic properties
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    • A—HUMAN NECESSITIES
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    • A61B8/481—Diagnostic techniques involving the use of contrast agent, e.g. micro-bubbles introduced into the bloodstream
    • G—PHYSICS
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    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
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    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
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    • G01S15/895—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques characterised by the transmitted frequency spectrum
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    • G—PHYSICS
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    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
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    • G01S7/52085—Details related to the ultrasound signal acquisition, e.g. scan sequences
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    • A61B5/00—Detecting, measuring or recording for diagnostic purposes; Identification of persons

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