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Device for irradiating a tumor tissue

  • US 20030136924A1
  • Filed: 01/08/2003
  • Published: 07/24/2003
  • Est. Priority Date: 06/30/2000
  • Status: Active Grant
First Claim
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1. Apparatus for irradiating tumour tissue (3) of a patient (10) by means of an ion beam (2), having a deflecting device (1) for the ion beam (2) for slice-wise and area-wise scanning of the tumour tissue (3) and an accelerator having an ion beam energy control device for step-wise and depth-wise scanning of the tumour tissue (3), characterised in that the apparatus further has:

  • an electromechanically driven ion-braking device (11, 12), which is used as a depth-wise scanning adaptation apparatus (5) for adapting the range of the ion beam (2) and which has faster depth-wise adaptation than the energy control device of the accelerator, a movement detection device (7) for detecting a temporal and positional change in the location of the tumour tissue (3) in a treatment space (8), and a control device which controls the deflecting device (1) and the depth-wise scanning adaptation apparatus (5) for adjusting the ion beam direction and the ion beam range, respectively, when scanning the tumour tissue (3) in the course of temporal and positional change in the location of the tumour tissue (3) in the treatment space (8).

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