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Ultrasonic diagnostic apparatus

  • US 9,380,994 B2
  • Filed: 12/19/2005
  • Issued: 07/05/2016
  • Est. Priority Date: 12/24/2004
  • Status: Expired due to Fees
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 configured to generate a tomographic image of the subject based on the received signal;

    a property value calculating section configured to calculate property values of the subject at every cardiac cycle of the subject based on the received signal;

    a property value image processing section configured to generate property value images representing the distribution of property values, based on the property values;

    a stability estimating section configured to calculate either the variance or the standard deviation of a plurality of property values that have been calculated in the same spot or region of interest between the property value images of the subject and estimate degrees of stability at the every cardiac cycle of the subject based on the variance or the standard deviation;

    an image synthesizing section, configured to synthesize 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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