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Subject information accumulating apparatus

  • US 10,638,934 B2
  • Filed: 12/14/2012
  • Issued: 05/05/2020
  • Est. Priority Date: 12/26/2011
  • Status: Active Grant
First Claim
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1. A subject information obtaining apparatus comprising:

  • first and second compression plates configured to compress a subject wherein the first and second compression plates include first and second pressure sensors, respectively;

    an irradiation unit configured to irradiate the subject with irradiation light via the second compression plate;

    an image signal generator configured to generate a signal for forming an acoustic wave image in a subject held by the first compression plate and the second compression plate;

    an acoustic wave detector positioned opposite the irradiation unit, the acoustic wave detector configured to receive acoustic waves via the first compression plate, the acoustic waves being generated within the subject irradiated with the irradiation light, and to output an electric signal, whereinthe image signal generator configured to generate the signal for forming the acoustic wave image on the basis of the electric signal output from the acoustic wave detector;

    a first pressure calculator configured to obtain first pressure distribution information within a subject contact plane on the first compression plate based on the first pressure sensor;

    a second pressure calculator configured to obtain second pressure distribution information within the subject contact plane on the second compression plate based on the second pressure sensor;

    a pressure information obtaining unit configured to obtain a pressure distribution image using the first pressure distribution information from the first pressure calculator and the second pressure distribution information from the second pressure calculator; and

    a controller configured to cause a display unit to display a tomographic image of the subject and the pressure distribution image.

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