Variable radiation collimator
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United States of America Patent
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Jun 28, 1988
Grant Date -
N/A
app pub date -
Apr 11, 1986
filing date -
Apr 11, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A variable collimator 10 for shaping the cross-section of the beam 100 is described. The collimator relies upon rods 16 which are positioned around the beam axis a-a with the rod 16 axis b-b perpendicular to the beam axis. The rods are shaped by shaping member 24 which is cut to the shape of an area of a patient or other surface to be irradiated.
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