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Ultrasonic Diagnostic Apparatus

  • US 20080103392A1
  • Filed: 12/19/2005
  • Published: 05/01/2008
  • Est. Priority Date: 12/24/2004
  • Status: Active Grant
First Claim
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1. An ultrasonic diagnostic apparatus comprising:

  • a transmitting section, which drives a probe that transmits an ultrasonic wave toward a subject;

    a receiving section, which receives an ultrasonic echo, produced by getting the ultrasonic wave reflected by the subject, through the probe, thereby generating a received signal;

    a tomographic image processing section for generating a tomographic image of the subject based on the received signal;

    a property value calculating section for calculating property values of the subject based on the received signal over a period of time;

    a property value image processing section for generating a property value image representing the distribution of property values based on the property values;

    a stability estimating section for calculating either the variance or the standard deviation of a plurality of property values that have been calculated over the period of time at a predetermined spot of interest, or in a predetermined region of interest, of the subject, and sequentially estimating the degrees of stability based on the variance or the standard deviation;

    an image synthesizing section, which synthesizes the tomographic image and the property value image together, thereby generating data for a synthetic image; and

    a display section for presenting the synthetic image and the degrees of stability thereon,wherein the image synthesizing section receives the degree of stability from the stability estimating section and changes the modes of presentation of at least one of the tomographic image and the property value image according to the degree of stability.

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