发明名称 |
Ultrasonic Diagnostic Apparatus |
摘要 |
There are provided transmission means ( 1 ) for transmitting an ultrasonic signal from a surface of a skin of a subject toward a blood vessel ( 21 ) of the subject, reception means ( 3 ) for receiving a reflected ultrasonic echo and converting the ultrasonic echo into an electric signal to obtain the ultrasonic echo signal in a depth direction from the surface of the skin, movement detection means ( 5 ) for analyzing a phase of the ultrasonic echo signal in a direction traversing the blood vessel to calculate a movement amount in each of a plurality of regions including a blood vessel wall and a vicinity of the blood vessel wall, analysis means ( 7 ) for analyzing a state of the blood vessel based on a variation in the calculated movement amount in each of the regions, boundary position detection means ( 8 ) for detecting a boundary position between the blood vessel wall and a blood flow region of the blood vessel based on a result of the analysis by the analysis means, and stability judgment means ( 15 ) for comparing the detected boundary position with a detection result in a previous cycle.
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申请公布号 |
US2008125651(A1) |
申请公布日期 |
2008.05.29 |
申请号 |
US20040562550 |
申请日期 |
2004.07.02 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
WATANABE YOSHINOBU;TANNAKA YOSHINAO;SUZUKI TAKAO;HAGIWARA HISASHI |
分类号 |
A61B5/021;A61B5/107;A61B8/08 |
主分类号 |
A61B5/021 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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