Variable radiation collimator

Details Variable radiation collimator Variable radiation collimator

1986-04-11

1988-06-28

Church, Craig E.

Radiant energy

Radiation controlling means

250251, 378150, 378152, G21K 104

Patent

active

047541474

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.

REFERENCES:
patent: 3543384 (1970-12-01), Hansen
patent: 4463266 (1984-07-01), Brahme
patent: 4507616 (1985-03-01), Blosser et al.
patent: 4534052 (1985-08-01), Milcamps

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