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| Number | Title | Issue Date |
| 8090076 | Collimation apparatus for radiotherapy A radiotherapy apparatus comprises a means for producing a beam of radiation directed along a beam axis and having a width in first and second directions transverse to the beam axis, a multi-leaf collimator for selectively limiting the width of the beam in at least ... | 01/03/2012 |
| 8085903 | Shutter mechanism for collimating X-rays A shutter mechanism for collimating x-rays has two parallel drive shafts and two parallel guide shafts orthogonal to the drive shafts to define a rectangular aperture. Two flexible bands moving around a generally rectangular path about the aperture independently con... | 12/27/2011 |
| 7965819 | Device for limiting field on which radiation is irradiated An irradiation field limiting device includes a plurality of aperture leaves arranged in a thickness direction, a flexible linear member secured to a thick portion of the aperture leaf, a driver section which drives the linear member a specific amount, and the like.... | 06/21/2011 |
| 7826596 | Radiation therapy apparatus A radiation therapy apparatus has a multi-leaf collimator device having a pair of collimator components which respectively comprise a plurality of leaves arranged close to one another such that the leaves face one another across an irradiation axis, and configured t... | 11/02/2010 |
| 7792252 | Multileaf collimator and radiation therapy device The invention relates to a multileaf collimator having a plurality of leaves mounted displaceably in an adjusting direction for establishing a contour of a beam path. Each displaceably mounted leaf is assigned at least one linear drive having at least one piezoelect... | 09/07/2010 |
| 7742575 | Multi-leaf collimator A multi-leaf collimator for use in a radiotherapeutic apparatus comprises a plurality of elongate narrow leaves arranged side-by side and supported in a frame, the frame having upper and lower formations for guiding each leaf into which extend ridges on the upper an... | 06/22/2010 |
| 7596209 | Multi-leaf collimator A multi-leaf collimator comprises an elongate leaf moveable in a longitudinal direction, and having an associated toothed rack driven by a pinion, wherein the rack is carried on an elongate actuator section, having a transversely extending link section, the leaf bei... | 09/29/2009 |
| 7564951 | Multileaf collimator A multileaf collimator includes a first leaf block group including plural leaf blocks, a second leaf block group including plural leaf blocks arranged in the same direction as the first leaf block group and disposed opposite the leaf blocks of the first leaf block g... | 07/21/2009 |
| 7558378 | Multileaf collimator A multileaf collimator is provided. The multileaf collimator may be used for radiotherapy. The multileaf collimator may include a plurality of leaves that are adjustable along a displacement direction for the absorption of rays propagated along a direction of radiat... | 07/07/2009 |
| 7555103 | Multi-leaf collimator with leaves formed of different materials A multi-leaf collimator includes a number of independently adjustable leaves. Adjacent leaves overlap to prevent an incident beam of radiation from passing through a gap between them. The overlapping portions of the leaves are made of a first material, while the non... | 06/30/2009 |
| 7508918 | Collimator for adjusting X-ray beam A collimator for adjusting an X-ray beam includes: an up-and-down adjustment mechanism; a left-and-right adjustment mechanism, a supporting member; and an adjusting plate connected with the supporting member. The up-and-down adjustment mechanism comprises first rota... | 03/24/2009 |
| 7397903 | Collimator and radiation irradiator A collimator capable of being reduced in its external size without sacrificing an aperture is to be provided. To this end, the collimator comprises a pair of first plate members which defines a radiation passing aperture by a spacing between respective opposed end f... | 07/08/2008 |
| 7397902 | Leaf, multi-leaf collimator, device for delimiting beams and irradiation device The invention relates to a leaf (1) for a multi-leaf collimator (2) for delimiting a high-energy beam (3, 3′, 3″) of an irradiation device, in particular for conformational radiation therapy. According to the invention, the multi-leaf collim... | 07/08/2008 |
| 7386099 | Leave collimator for radiation therapy The present application relates to a collimator for radio surgery or radio therapy comprising a plurality of leaves; guiding members for guiding a movement of the leaves; a pressing unit for causing a press contact between the leaves and the guiding members; wherein... | 06/10/2008 |
| 7378672 | Particle beam therapeutic apparatus A particle beam therapeutic apparatus can ensure the uniformity of dose distribution by overlapping the desired loci of the irradiation of a particle beam a reduced number of times. A flow of a particle beam transported so as to be irradiated to a diseased part is c... | 05/27/2008 |
| 7372945 | Method and device for the recording of objects The invention relates to the recording of an object (4) by imaging with a radiation source (2) on a recording medium (3) using aperture (6), the size of which may be adjusted using adjusting means (7), depending on the size of said... | 05/13/2008 |
| 7356124 | Collimator for a beam detector, and a computed tomography unit A collimator is disclosed for a beam detector, having a number of juxtaposed collimator plates between which there is respectively arranged for stiffening the collimator, at least one supporting element that is constructed from a material transparent to X-rays and s... | 04/08/2008 |
| 7356116 | Container inspection system An inspection system provides for inspection of cargo containers. A scanning tunnel has an entrance and an exit, a plurality of scanning entrance doors, each having an open position and a closed position, at least one of the plurality of scanning entrance doors inte... | 04/08/2008 |
| 7343003 | X-ray diaphragm, X-ray irradiator, and X-ray imaging apparatus An X-ray diaphragm including plural sets of X-ray absorbing plates, each of the plural sets including four of X-ray absorbing plates, the four X-ray absorbing plates in each of the plural sets being arranged such that two of the four plates and the other two are pos... | 03/11/2008 |
| 7336768 | X-ray diagnosis apparatus An X-ray diagnosis apparatus is configured to control at least one of the X-ray diaphragm which restricts the irradiation range of the X-ray and the compensation filter which attenuates the amount of the X-ray based on at least one of the rotation position or the po... | 02/26/2008 |
| 7333591 | Method for the planning and delivery of radiation therapy A new optimization method for generating treatment plans for radiation oncology is described and claimed. This new method works for intensity modulated radiation therapy (IMRT), intensity modulated arc therapy (IMAT), and hybrid IMRT. ... | 02/19/2008 |
| 7330534 | Ray beam guiding apparatus and ray inspection system having the same The present invention discloses a ray beam guiding apparatus, comprising a ray beam guiding box having substantially fan-shaped top and bottom surfaces, defining an inner space, and having open wide and narrow ends; an engaging member joined to the narrow end of the... | 02/12/2008 |
| 7302030 | Method for determination of the position and/or orientation of three-dimensional structures of a patient with the aid of a computed tomography scanner A method is for determination of at least one of the position and orientation of three-dimensional structures of a patient. One topographic scan of the patient is recorded simultaneously per tube detector combination with the aid of a computed tomography scanner whi... | 11/27/2007 |
| 7263169 | X-ray computed tomography apparatus with beam-gating diaphragm An x-ray computed tomography apparatus has an x-ray source that can be rotated around a system axis and a diaphragm that is disposed downstream from the x-ray source in the ray propagation direction for gating a fan-shaped ray beam that irradiates a subject. The dia... | 08/28/2007 |
| 7257196 | Radiotherapeutic apparatus A radiotherapeutic apparatus employs a collimator (52) set below a radiation source (50) and is adapted to move along an arc (54) substantially centered on the radiation source (50). As it sweeps the arc, the collimator (52) is adj... | 08/14/2007 |
| 7254215 | Systems and methods for reducing radiation dosage An imaging system including is described. The imaging system includes a radiation source configured to generate a beam, a collimator configured to collimate the beam to generate a collimated beam, and a detector configured to detect the collimated beam. The collimat... | 08/07/2007 |
| 7248674 | Diaphragm unit for an x-ray device The invention relates to a diaphragm unit 4 or a diaphragm unit 4 and an associated x-ray emitter 1 with adjustment option for displaying an asymmetrical area under examination, with the diaphragm unit 4 being able to be tilted in accorda... | 07/24/2007 |
| 7242750 | Radiotherapy apparatus A radiotherapy apparatus comprising a radiation source configured to radiate a radiation ray, a multi leaf collimator, including a plurality of leaves, configured to limit a radiation range of the radiation ray and a drive unit configured to move at least one of the... | 07/10/2007 |
| 7242749 | Methods and systems for dynamic pitch helical scanning Methods and systems for controlling x-ray exposure during a dynamic pitch helical scan using a translatable table are provided. The system includes a collimator positioned between an x-ray source and an object to be scanned configured to shutter an x-ray fan beam ge... | 07/10/2007 |
| 7227925 | Gantry mounted stereoscopic imaging system A radiation therapy treatment machine that has a stereoscopic imaging system, which includes a rotatable open gantry on which is placed a first diagnostic radiation source, a first diagnostic imager, and a therapeutic radiation source. ... | 06/05/2007 |
| 7221733 | Method and apparatus for irradiating a target An apparatus (10) for irradiating a target includes a radiation source (12) for generating a radiation beam and a multiple leaf beam adjuster (16) for collimating and adjusting the shape of the radiation beam from the radiation source (12... | 05/22/2007 |
| 7212611 | Method and apparatus for limiting a ray beam The invention concerns a method and apparatus for limiting a ray beam, especially in connection with an x-ray imaging equipment. The invention comprises a collimator construction in which a primary blade element (4) is moved directly by means of an actuator (... | 05/01/2007 |
| 7212612 | X-ray device X-ray device with a detector and an adjustable diaphragm for fading-in an examination area, whereby the detector (6) can be controlled and read-out asymmetrically and the diaphragm (8) can be moved asymmetrically. ... | 05/01/2007 |
| 7206383 | Collimator, X-ray irradiator, and X-ray apparatus A collimator includes a pair of first plate members which define an X-ray passing aperture by a spacing between their opposed end faces, a second plate member which is movable in a direction parallel to a moving direction of the first plate members, a pair of third ... | 04/17/2007 |
| 7198404 | Real-time acquisition of co-registered X-ray and optical images An apparatus, method and program storage device are provided for co-registration of multi-modal images in a three-dimensional environment, where the apparatus includes a source of excitation light, an electromagnetic-ray source disposed relative to the source of exc... | 04/03/2007 |
| 7190763 | Exposure calculation method and radiography system A method of calculating an exposure a patient receives during radiography includes retrieving a value of a dose rate, which is associated with a value of the tube voltage of an X-ray tube, from a first lookup table that is created in advance, retrieving a value of a... | 03/13/2007 |
| 7180980 | Method for intensity modulated radiation treatment using independent collimator jaws The present invention is a method for treatment planning and delivery of the radiation treatment plan for the intensity-modulated radiation therapy (IMRT) treatment using linear accelerators (LINACs) not equipped with a multileaf collimator (MLC). The present invent... | 02/20/2007 |
| 7170975 | Method for operating a computed tomography apparatus having a diaphragm at the radiation detector In a method for operating a computed tomography apparatus, having an x-ray source rotatable around a system axis and a radiation detector with a detector-proximate beam-gating diaphragm, and a patient support, a spiral scan of a patient on the patient support is con... | 01/30/2007 |
| 7167542 | Motor arrangement and methods for a multi-leaf collimator The motors of a multi-leaf collimator for driving the leaves are tilted away from horizontal. The motors are oriented at an angle upwards from the top or downwards from the bottom of a plane formed by the leaves of the multi-leaf collimator. By tilting or angling th... | 01/23/2007 |
| 7162008 | Method for the planning and delivery of radiation therapy A new optimization method for generating treatment plans for radiation oncology is described and claimed. This new method works for intensity modulated radiation therapy (IMRT), intensity modulated arc therapy (IMAT), and hybrid IMRT. ... | 01/09/2007 |
