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Method and system for using Cherenkov radiation to monitor beam profiles and radiation therapy

  • US 10,201,718 B2
  • Filed: 05/18/2012
  • Issued: 02/12/2019
  • Est. Priority Date: 05/19/2011
  • Status: Active Grant
First Claim
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1. A system for providing and monitoring radiation therapy comprising:

  • a radiation treatment machine adapted to provide high energy radiation and disposed to provide a pulsed radiation beam having a direction and shape configured to provide radiation treatment to a subject in a treatment zone, the radiation treatment machine external to the treatment zone;

    a camera adapted to image the subject in combined ambient light and Cherenkov light generated by interaction of the radiation beam with the subject and emitted from the subject in the treatment zone to form a Cherenkov image;

    a processor;

    timing interfaces adapted to synchronize imaging of light emitted from the subject to during pulses of the high energy radiation emitted by the radiation treatment machine; and

    firmware in the processor adapted to subtract a background image from the Cherenkov image, the background image being an image of the subject in ambient room lighting captured by the camera between pulses of the high energy radiation.

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