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Dosimetry for radiotherapy treatment verification

  • US 9,480,861 B2
  • Filed: 04/03/2015
  • Issued: 11/01/2016
  • Est. Priority Date: 04/03/2014
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a first radiation detector positioned to intercept ionizing radiation directed from a radiation source toward a radiation target before the ionizing radiation has impinged on the radiation target;

    a second radiation detector positioned to intercept the ionizing radiation after the ionizing radiation has passed through the radiation target; and

    computer hardware configured to receive data generated by the first radiation detector and the second radiation detector and to perform operations comprising;

    determining a radiation dose pattern delivered to the radiation target based on the data;

    reconstructing a radiation dose imparted to the radiation target based on the data generated by the first radiation detector and the second radiation detector;

    comparing the reconstructed radiation dose to one or more limits of dose deposition error; and

    generating a user notification when the reconstructed radiation dose exceeds the one or more limits.

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