H - Electricity – 05 – G
Patent
H - Electricity
05
G
358/11
H05G 1/02 (2006.01) A61B 6/00 (2006.01) G21K 1/02 (2006.01)
Patent
CA 2014921
15-XZ-3189 ABSTRACT Method and apparatus for minimizing scatter in an X-ray imaging system of the type including a controllable source of X-ray radiation and means for collimating the X-ray radiation into a fan-shaped beam and effecting scanning of the X-ray beam across a target area. The improved system includes a grid assembly extending in a transverse direction across the target area and having a relatively narrow width in the beam scanning direction. A drive is coupled to the grid removing the grid in synchronism with the X- ray beam and an X-ray impervious belt is coupled to the grid ant extends in a transverse direction across the target area and is movable with the grid for covering the target area outside the grid to prevent scatter radiation from impinging on X-ray film located beneath the grid. In one form, the grid includes a plurality of air interspersed septa to allow reduced beam energy. In another form, the X-ray beam is collimated into a point source by the use of an X-ray impervious disk positioned adjacent to and overlaying an X-ray window in the X-ray source.
Barrett David M.
Mcdaniel David L.
Mcfaul James A.
Pelc Norbert J.
Scheid Carl C.
Barrett David M.
Company General Electric
Craig Wilson And Company
Mcdaniel David L.
Mcfaul James A.
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