ULTRASOUND OBSERVATION APPARATUS, METHOD FOR OPERATING ULTRASOUND OBSERVATION APPARATUS, AND COMPUTER-READABLE RECORDING MEDIUM
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United States of America Patent
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app pub date -
Jul 12, 2016
filing date -
Dec 22, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An ultrasound observation apparatus includes: a calculation unit that calculates features of frequency spectra obtained by analyzing a frequency of an ultrasound signal; a setting unit that uses each attenuation factor candidate value per unit length and per unit frequency that give different attenuation characteristics, in each divided region obtained by dividing an ultrasound image, to perform attenuation correction on the features of the frequency spectra for removing an influence of ultrasound, and thereby calculates a preliminarily corrected feature of each frequency spectrum for each attenuation factor candidate value, and sets an optimum attenuation factor among attenuation factor candidate values; and a correction unit that calculates a cumulative attenuation factor per unit frequency at a sampling point, using an optimum attenuation factor of a divided region present between a surface of an ultrasound transducer and the sampling point, and performs attenuation correction on the features using the cumulative attenuation factor.
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Family
| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| EP | B1 | EP3238632 | Oct 07, 2015 |
| WO | A1 | WO2016103849 | Oct 07, 2015 |
| JP | B1 | JP5927367 | Oct 07, 2015 |
| CN | B | CN105916448 | Oct 07, 2015 |
International Classification(s)
- 2016 Application Filing Year
- A61B Class
- 18399 Applications Filed
- 13681 Patents Issued To-Date
- 74.36 % Issued To-Date
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- A61B Class
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