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Radiotherapy apparatus

  • US 5,267,294 A
  • Filed: 04/22/1992
  • Issued: 11/30/1993
  • Est. Priority Date: 04/22/1992
  • Status: Expired due to Fees
First Claim
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1. A radiotherapy apparatus comprising:

  • an accelerator for accelerating an electron beam;

    deflectors for deflecting the electron beam accelerated by said accelerator to irradiate a plurality of radioactive ray generating positions;

    radioactive ray generating means arranged corresponding to said plurality of radioactive ray generating positions, said radioactive ray generating means generating a radioactive ray when it is irradiated by said electron beam; and

    a collimator for collimating said radioactive ray so as to irradiate a point;

    wherein said radioactive ray generating means has a two dimensional arrangement, and said deflectors deflect and control the electron beam to irradiate a plurality of radioactive ray generating positions of said radioactive ray generating means in a vertical direction.

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