Collimator for radiation therapy

Details Collimator for radiation therapy Collimator for radiation therapy

1996-11-27

1998-04-28

Epps, Georgia Y.

Optical: systems and elements

Light control by opaque element or medium movable in or...

With relative motion of two apertured elements

359230, 2504051, 2504911, G02B 2602

Patent

active

057452792

ABSTRACT:
A collimator for radiation therapy, particularly for medical use, including a first pair and a second pair of blocks for deflecting the radiation-therapy beam that is guided between the blocks of each pair, the pairs of blocks being superimposed with respect to each other and slidable on mutually perpendicular guides, a motor being provided to move the first and second pairs of blocks along the guides.

REFERENCES:
patent: 3282187 (1966-11-01), Cassidy et al.
patent: 3827787 (1974-08-01), Ripart
patent: 3849649 (1974-11-01), Carey
patent: 3871750 (1975-03-01), Mecklenborg
patent: 4118109 (1978-10-01), Crawford et al.
patent: 4220866 (1980-09-01), Taumann
patent: 4581515 (1986-04-01), Egashira
patent: 4850686 (1989-07-01), Morimoto et al.
patent: 4869583 (1989-09-01), Tiedje
patent: 5400170 (1995-03-01), Hanada

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