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EXPANDABLE BRACHYTHERAPY DEVICE WITH CONSTANT RADIATION SOURCE SPACING

  • US 20080108859A1
  • Filed: 04/18/2007
  • Published: 05/08/2008
  • Est. Priority Date: 11/03/2006
  • Status: Active Grant
First Claim
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1. A brachytherapy device comprising:

  • an expandable outer cage;

    an expandable inner cage positioned within the outer cage and configured to receive radioactive material at its perimeter;

    a movable actuator configured to cause the outer and inner cages to expand simultaneously in response to movement of the actuator between certain positions while maintaining a substantially constant separation distance between the outer and inner cages;

    a handle in which the movable actuator moves; and

    a rod running through the outer and inner cages that is attached to the handle at a distal end.

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