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Class Information
Number: 378/153
Name: X-ray or gamma ray systems or devices > Beam control > Collimator > Variable > With pivotal leaf motion
Description: Subject matter wherein the aperture in the collimator is bounded by movable leaves of X-ray opaque material and these leaves are each movable about pivot points.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8525141 Collimator alignment system and method Sep. 3, 2013
8406373 Optimized aperture selection imaging computed tomography system and method Mar. 26, 2013
8059782 Radiotherapeutic apparatus Nov. 15, 2011
8011829 Compact and lightweight X-ray device Sep. 6, 2011
7993058 Lamella collimator and beam therapy appliance Aug. 9, 2011
7983391 System for reduction of exposure to X-ray radiation Jul. 19, 2011
7957507 Method and apparatus for modulating a radiation beam Jun. 7, 2011
7945023 Stereotactic radiotherapy with rotating attenuator May. 17, 2011
7864297 Light blocking device and exposure apparatus Jan. 4, 2011
7826596 Radiation therapy apparatus Nov. 2, 2010
7734010 Method and apparatus for planning and delivering radiation treatment Jun. 8, 2010
7714293 Methods and apparatus for keystone effect May. 11, 2010
7391026 Preparation of a selection of control variables for a dose distribution to be adjusted in a technical appliance Jun. 24, 2008
7310410 Single-leaf X-ray collimator Dec. 18, 2007
7054413 Rotatable multi-element beam shaping device May. 30, 2006
7009194 Method for mounting radiation treatment blocks on a radiation treatment block mounting plate, an adjustable radiation treatment block mounting tray and a template and method for making a form Mar. 7, 2006
6934363 Radiation diaphragm for an X-ray apparatus Aug. 23, 2005
6865030 Variable optical slit assembly Mar. 8, 2005
6813336 High definition conformal arc radiation therapy with a multi-leaf collimator Nov. 2, 2004
6795523 Method and apparatus for controlling a rotatable multi-element beam shaping device Sep. 21, 2004
6757355 High definition radiation treatment with an intensity modulating multi-leaf collimator Jun. 29, 2004
6696694 Displacement detecting element Feb. 24, 2004
6501828 Method and apparatus for influencing X-rays in a beam path Dec. 31, 2002
6459769 Movable miniature multi-leaf collimator Oct. 1, 2002
5748703 Dynamic collimator for a linear accelerator May. 5, 1998
5680434 X-ray examination apparatus comprising a collimator unit Oct. 21, 1997
5485493 Multiple detector ring spiral scanner with relatively adjustable helical paths Jan. 16, 1996
5418827 Method for radiation therapy planning May. 23, 1995
5237599 X-ray apparatus Aug. 17, 1993
5224145 X-ray beam limiting apparatus including pivotable blade Jun. 29, 1993
5144647 Radiation exposure field limiting apparatus Sep. 1, 1992
5115460 X-ray analysis apparatus comprising an adjustable slit diaphragm May. 19, 1992
4920552 X-ray apparatus comprising an adjustable slit-shaped collimator Apr. 24, 1990
4872191 Cam-controlled automatic dynamic focusing for computed tomography Oct. 3, 1989
4825455 Collimator for an X-ray mammography apparatus Apr. 25, 1989
4780904 Focussable anti-scatter grid Oct. 25, 1988
4752947 Primary radiation diaphragm for X-ray examination devices Jun. 21, 1988
4715056 Apparatus for slit radiography Dec. 22, 1987
4677652 Apparatus for slit radiography Jun. 30, 1987
4675893 Apparatus for slit radiography Jun. 23, 1987
4672212 Multi leaf collimator Jun. 9, 1987
4641335 Primary-beam collimator for stereo radiographic x-ray diagnostic apparatus Feb. 3, 1987
4638499 High resolution collimator system for X-ray detector Jan. 20, 1987
4535469 X-Ray analysis apparatus having an adjustable stray radiation slit Aug. 13, 1985
4463266 Neutron collimator Jul. 31, 1984
4419764 Slit collimator in a panoramic X-ray apparatus Dec. 6, 1983
4389730 Compact collimator Jun. 21, 1983
4380820 Compact X-ray collimator Apr. 19, 1983
4246488 Radiation collimator Jan. 20, 1981
4167675 X-ray collimator comprising light beam localizer with lens system Sep. 11, 1979

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