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DEVICE AND METHOD FOR POSITIONING A TARGET VOLUME IN A RADIATION THERAPY APPARATUS

  • US 20090168960A1
  • Filed: 12/12/2006
  • Published: 07/02/2009
  • Est. Priority Date: 12/12/2005
  • Status: Active Grant
First Claim
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1. A device for positioning a target in a patient in a radiation therapy apparatus, the apparatus directing a radiation beam towards the target the device comprisinga target support for immobilizing the target;

  • a two-dimensional radiation detector fixed with fixation device in a predetermined geometric relationship to the target support the radiation detector configured to detect an intersection position of the radiation beam with the detector; and

    correcting device configured to correct a relative position of the beam and the target support, based on the detected intersection position.

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