血管壁硬軟度評価装置

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专利权人:

学校法人同志社

发明人:

松川 真美,渡辺 好章,齋藤 雅史,浅田 隆昭,古谷 未央

申请号：

JP2009062792

公开号：

JP5344294B2

申请日:

2009.03.16

申请国别(地区):

JP

年份:

2013

代理人:

摘要：

To provide a device for evaluating a hardness/softness of a blood vessel which is capable of evaluating the hardness/softness of the blood vessel by a simple method.

SOLUTION: The device for evaluating the hardness/softness of a vascular wall includes detecting means 1 for detecting a pulsation wave propagated through an artery in one portion of a living organism, conversion means 21 for converting the pulsation wave corresponding to one beat of a heart into a frequency component in every time, out of the pulsation waves detected by the detecting means, means 22 for identifying a first peak by a reflected wave appearing before a II sound closing an aortic valve, after the maximum peak by an ejection wave in accompaniment to contraction of the heart, out of the converted frequency wave components and or a second peak appearing in an intermediate time point between the maximum peak and the first peak, and means 23 for evaluating the hardness/softness of the vascular wall, by comparing a peak intensity of the first peak with a peak intensity of the second peak and or by comparing the peak intensity of the first peak or the second peak with a reference value.

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