Optics: measuring and testing – By alignment in lateral direction
Patent
1994-08-08
1995-11-14
Rosenberger, Richard A.
Optics: measuring and testing
By alignment in lateral direction
356400, 356401, 2504911, 33241, G01B 1100
Patent
active
054671930
ABSTRACT:
A target device is designed for use with a machine for treating a patient with radiation. The device enables accurate determination of an isocenter to which the radiation should be directed, the isocenter being at a point of intersection of at least three composite laser beams. The device enables the laser sets to be adjusted in position and their beams to be adjusted in direction in order to achieve improved accuracy in setting up the isocenter.
REFERENCES:
patent: 3614238 (1971-10-01), Stites
patent: 3723013 (1973-03-01), Stirland et al.
patent: 4123660 (1978-10-01), Horwitz
patent: 4381150 (1983-04-01), Curtis
patent: 4501135 (1985-02-01), Chivens et al.
Busby Stephen W.
Laewen Arne H.
Kim Robert
Rosenberger Richard A.
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