X-ray or gamma ray systems or devices – Specific application – Absorption
Patent
1996-04-19
1998-09-01
Church, Craig E.
X-ray or gamma ray systems or devices
Specific application
Absorption
378150, A61N 510
Patent
active
058021361
ABSTRACT:
A method and apparatus for conformal radiation therapy, with a radiation beam having a predetermined, constant beam intensity, treats the entire tumor volume of a patient's tumor, and the beam intensity of the radiation beam is spatially modulated across the tumor, by separating the radiation into an array of at least 3.times.3 treatment beam segments and independently modulating the beam intensity of the plurality of radiation beam segments. The independent modulation of the beam intensities may be accomplished by selectively and independently filling, or removing, a flowable, radiation blocking material from a compartment associated with each radiation beam segment.
REFERENCES:
patent: 5596619 (1997-01-01), Carol
Church Craig E.
Nomos Corporation
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