An apparatus and method for coupling a fixed-aperture col limator to a variable-aperture
collimator. The variable-aper ture collimator may be an IRIS collimator having multiple …

US7839972B2 - System and method of evaluating dose delivered by a radiation therapy
system - Google Patents US7839972B2 - System and method of evaluating dose delivered by …

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6,904,125 B2 62005 VanDyket al. 5,332.908 A 7/1994 Weidlich 6,914,959 B2 7/2005 Bailey …

Systems and methods disclosed provide for guiding a tool using a source of radioactivity.
The method includes implant ing a source of radioactivity at a position having a geometric …

(57) ABSTRACT A system and method of predicting a radiation dose to be delivered to a
patient. The method includes the acts of gen erating a first image of at least a portion of the …

(57) ABSTRACT A motion compensation system for tracking and compen sating for patient
motion during a medical imaging scan comprises an optical marker comprising an optically …

US7957507B2 - Method and apparatus for modulating a radiation beam - Google Patents
US7957507B2 - Method and apparatus for modulating a radiation beam - Google Patents …

(57) ABSTRACT A system and method of adapting a radiation therapy treat ment plan. The
method includes the acts of preparing a treat ment plan for a patient, acquiring images of the …

A system for and method of delivering radiation therapy to a moving region of interest is
disclosed. The method, in one implementation, includes the acts of generating a plurality of …

(57) ABSTRACT A radiation system includes a radiation Source having an accelerator, the
radiation source having a magnetic field associated therewith that is resulted from an …