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Programmable particle scatterer for radiation therapy beam formation

  • US 7,718,982 B2
  • Filed: 03/14/2007
  • Issued: 05/18/2010
  • Est. Priority Date: 07/21/2004
  • Status: Expired due to Fees
First Claim
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1. A charged particle beam scatterer/range modulator comprising:

  • first and second fluid reservoirs, the first and second reservoirs each having opposing walls in a particle beam path;

    a drive to adjust the distance between the walls of at least one of the first and second fluid reservoirs through a range of values; and

    a programmable controller for the drive to adjust the distance between the walls of at least one of the first and second reservoirs during exposure of a target to the beam.

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