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| Number | Title | Issue Date |
| 7706508 | X-ray flux management device The invention is directed to an x-ray flux management device that adaptively attenuates an x-ray beam to limit the incident flux reaching a subject and radiographic detectors in potentially high-flux areas while not affecting the incident flux and detector measureme... | 04/27/2010 |
| 7680249 | Filter unit, X-ray tube unit, and X-ray imaging system A small-sized filter unit of a simple structure, as well as an X-ray tube unit and an X-ray imaging system both having the filter unit, are implemented. A filter unit in a first aspect of the present invention comprises a filter plate, the filter plate having a firs... | 03/16/2010 |
| 7649981 | Multi-energy x-ray source An apparatus for use in a radiation procedure includes a radiation filter having a first portion and a second portion, the first and the second portions forming a layer for filtering radiation impinging thereon, wherein the first portion is made from a first materia... | 01/19/2010 |
| 7616737 | Fluid filled devices A device (100; 200; 300; 400) comprising a sealed cavity (210) containing n volumes of fluids (80, 87; 220, 230; 320, 332; 420, 422, 430, 432) is described, where n is an integer and n≧2. Each volume of fluid is substantially immiscible with e... | 11/10/2009 |
| 7402819 | Respiration phantom for quality assurance A respiration phantom that may be used to perform quality assurance on a radiation delivery system. The respiration phantom includes a human-like skeletal structure, at least one deformable component, and a respiration actuator. The deformable component is positiona... | 07/22/2008 |
| 7397904 | Asymmetric flattening filter for x-ray device Devices and methods for implementing selective, or asymmetric, attenuation of an x-ray beam. In one example, a filter is provided that is substantially in the form of a wedge where some portions of the filter are thicker, and thus provide greater attenuation, than o... | 07/08/2008 |
| 7336769 | X-ray flux management device The invention is directed to an x-ray flux management device that adaptively attenuates an x-ray beam to limit the incident flux reaching a subject and radiographic detectors in potentially high-flux areas while not affecting the incident flux and detector measureme... | 02/26/2008 |
| 7330535 | X-ray flux management device The invention is directed to an x-ray flux management device that adaptively attenuates an x-ray beam to limit the incident flux reaching a subject and radiographic detectors in potentially high-flux areas while not affecting the incident flux and detector measureme... | 02/12/2008 |
| 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 |
| 7327830 | Collimation and calibration integrative apparatus for container inspection system A collimation and calibration integrative apparatus for container inspection system includes a collimating block; a calibrating block; a base plate; a motor and a plurality of supporting units fixed on the base plate; a transmission unit coupled to the motor for tra... | 02/05/2008 |
| 7321654 | Narrow band x-ray system and fabrication method thereof A narrow band x-ray filter can include: a substrate; and a sheaf of one or more reflection units stacked upon each other on the substrate. Each reflection unit can include: a first set of at least two discrete spacers on a respective underlying structures, a reflect... | 01/22/2008 |
| 7315611 | X-ray reflector exhibiting taper, method of making same, narrow band x-ray filters including same, devices including such filters, multispectral x-ray production via unispectral filter, and multispectral x-ray production via multispectral filter An x-ray reflector may include: a substrate; a first layer formed on the substrate, the first layer including a relatively higher-Z material, where Z represents the atomic number; and a second layer formed on the first layer, the second layer including a relatively ... | 01/01/2008 |
| 7308073 | X-ray filter having dynamically displaceable x-ray attenuating fluid A bowtie filter is constructed to have a fluidic envelope filled with attenuating fluid and a displacement insert that can present various x-ray attenuation profiles during a scan. The insert is designed to displace the attenuating fluid to achieve a denied attenuat... | 12/11/2007 |
| 7272208 | System and method for an adaptive morphology x-ray beam in an x-ray system The present invention provides for an x-ray system and method using dynamic automated spatial modulation of an x-ray beam. The system includes an x-ray source transmitting a spatially modulated beam towards an object to be imaged, an x-ray detector receiving the bea... | 09/18/2007 |
| 7263170 | Radiation therapy system featuring rotatable filter assembly A radiation therapy system is provided having a radiation source for providing radiation for treating a patient, including treating skin cancer, wherein the radiation source features a filtering device that changes its filtering characteristic for filtering the radi... | 08/28/2007 |
| 7260182 | Method and apparatus of radiographic imaging with an energy beam tailored for a subject to be scanned A method and apparatus for tailoring the profile of an x-ray beam for radiographic imaging for a specific subject is disclosed. The invention includes a filter assembly having a pair of filters, each of which may be dynamically controlled by a motor assembly during ... | 08/21/2007 |
| 7260183 | Filter and X-ray imaging device In order to realize a filter that can make a fine spectrum adjustment in a wide rage and can be miniaturized, and to realize an X-ray imaging apparatus provided with the filter, a filter of the present invention is provided with plural filter plates that can form a ... | 08/21/2007 |
| 7257197 | Reflector rack, fabrication method thereof, and narrow brand x-ray filter and system including same A stackable rack may comprise: at least two rails, a cross-section of each rail having a shape resembling a staircase, first step portion of which represents a first surface upon which a reflector can be disposed; and a second step portion of which represents a seco... | 08/14/2007 |
| 7254216 | Methods and apparatus for filtering a radiation beam and CT imaging systems using same A filter assembly for a computed tomographic imaging system includes first and second endplates at opposite ends of the filter assembly. Also provided is a first moveable subassembly that includes at least a first x-ray filter and which is configured to move along a... | 08/07/2007 |
| 7250620 | EUV lithography filter Filters for EUV lithography, methods of manufacture thereof, and methods of filtering in an EUV lithography system are disclosed. The filter comprises a nanotube material layer sandwiched by two thin material layers that are highly transmissive and provide structura... | 07/31/2007 |
| 7242003 | Inverse collimation for nuclear medicine imaging An inverse collimator detector for nuclear medicine imaging applications is provided. The inverse collimator detector includes an inverse collimator wherein high density, high atomic number collimator material is placed in the location where the conventional collima... | 07/10/2007 |
| 7224763 | Method of and system for X-ray spectral correction in multi-energy computed tomography A method of and a system for spectral correction in multi-energy computed tomography are provided to correct reconstructed images, including high-energy CT images and Z (effective atomic number) images, for spectral variations, which include time variations on a sca... | 05/29/2007 |
| 7203271 | Ionizing radiation imaging system and method with decreased radiation dose A system and method for imaging a volume having a detector including a first atomic species with an absorption edge at a first wavelength. The system also includes a source having a second atomic species for emitting an ionizing energy. The second atomic species has... | 04/10/2007 |
| 7180081 | Discharge produced plasma EUV light source An DPP EUV source is disclosed which may comprise a debris mitigation apparatus employing a metal halogen gas producing a metal halide from debris exiting the plasma. The EUV source may have a debris shield that may comprise a plurality of curvilinear shield members... | 02/20/2007 |
| 7163612 | Method, apparatus and article for microfluidic control via electrowetting, for chemical, biochemical and biological assays and the like An active matrix microfluidic platform employs thin film transistor active (“TFT”) matrix liquid crystal display technology to manipulate small samples of fluid for chemical, biochemical, or biological assays without moving parts, for example, using a two-dimens... | 01/16/2007 |
| 7141798 | Spectrum measuring apparatus and method A spectrum measuring apparatus that includes an extinction member for decreasing a light intensity from an EUV light source, a spectrum member for extracting light with a desired wavelength band from the decreased intensity light and a detector for detecting a light... | 11/28/2006 |
| 7133496 | Soft tissue cephalometric screen with submental-neck extension, and radiology apparatus, modular system and imaging method using same An apparatus for use in a cephalostat has a collimator for defining the shape of an X-ray beam and a soft tissue filter screen, mounted independently of the collimator, for attenuating a portion of the X-ray beam. The soft tissue filter screen has an anterior facial... | 11/07/2006 |
| 7130460 | Medical-use image recording apparatus and medical-use imaging system An image recording method for visualizing an image signal of medical diagnosis, which has the steps of: inputting the image signal of medical diagnosis; processing the image signal of medical diagnosis to get correct sharpness in visualized image by applying a frequ... | 10/31/2006 |
| 7120222 | CT imaging system with multiple peak x-ray source An x-ray source (32) for performing energy discrimination within an imaging system (10) includes a cathode-emitting device (82) emitting electrons and an anode (81) that has a target (80) whereupon the electrons impinge to generate... | 10/10/2006 |
| 7106832 | Apparatus including a radiation source, a filter system for filtering particles out of radiation emitted by the source, and a processing system for processing the radiation, a lithographic apparatus including such an apparatus, and a method of filtering particles out of radiation emitting and propagating from a radiation source Particles emitted by a radiation source, and moving from the radiation source towards a processing system for processing the radiation from the radiation source, are filtered out of radiation propagating through a predetermined cross section of the radiation as emit... | 09/12/2006 |
| 7088799 | Method and apparatus for presenting multiple pre-subject filtering profiles during CT data acquisition The present invention is directed to a method and apparatus for CT data acquisition using a rotatable pre-subject filter having more than one filtering profile to control radiation exposure to a subject. The filter is caused to rotate by a motor and bearing assembly... | 08/08/2006 |
| 7082189 | X-ray distribution adjusting filter apparatus and X-ray CT apparatus using the same An X-ray distribution adjusting filter apparatus for supplying a desired X-ray intensity distribution or adjusting the X-ray distribution to a desired profile, the bowtie filter as the X-ray distribution adjusting filter apparatus has a fixed section having a base p... | 07/25/2006 |
| 7082183 | Computed tomography dose indexing phantom selection for dose reporting A computed tomography assembly is providing including an x-ray gantry assembly, an x-ray source projecting a beam of x-rays, a detector assembly positioned opposite the x-ray source and receiving the beam of x-rays, and a control mechanism in communication with the ... | 07/25/2006 |
| 7076029 | Method and apparatus of radiographic imaging with an energy beam tailored for a subject to be scanned A method and apparatus for tailoring the profile of an x-ray beam for radiographic imaging for a specific subject is disclosed. The invention includes a filter assembly having a pair of filters, each of which may be dynamically controlled by a motor assembly during ... | 07/11/2006 |
| 7068750 | System and method of x-ray flux management control A system and method of diagnostic imaging is provided that includes determining a position of a subject in a scanning bay and tailoring x-ray attenuation such that the specific position of the subject is taken into consideration. The present invention automatically ... | 06/27/2006 |
| 7054407 | Methods and apparatus to facilitate reconstruction of images A methods and apparatus for reconstructing images are provided. The apparatus includes a CT imaging system configured to scan an anatomy to acquire path-length information, determine at least one threshold value using the acquired path length information, dynamicall... | 05/30/2006 |
| 7050544 | X-ray diagnostic device with filters and a beam sighting mirror mounted on a common rotatable disk An X-ray diagnostic device has an X-ray tube and a diaphragm housing in which diaphragm plates for limiting an X-ray field are contained, as are a lamp and a mirror. The lamp and mirror are configured so that, when the lamp is on, the light therefrom is reflected by... | 05/23/2006 |
| 7046756 | Rotatable filter for a pre-subject CT collimator having multiple filtering profiles The present invention is directed to a method and apparatus for CT data acquisition using a rotatable pre-subject filter having more than one filtering profile to control radiation exposure to a subject. The filter has one profile used to filter radiation when the r... | 05/16/2006 |
| 7010094 | X-ray inspection using spatially and spectrally tailored beams A system and method for inspecting an object, the system and method comprising a source for generating a penetrating radiation beam for irradiating the object, the beam having, for each instant of time, an instantaneous energy spectrum of intensity, a shaper for mod... | 03/07/2006 |
| 6999551 | Method for diaphragm regulation in a computed tomography apparatus, and computed tomography apparatus with diaphragm regulation In a method for diaphragm regulation in a computed tomography system and a computed tomography system with diaphragm regulation and a multi-line detector, the image detector signals are utilized for generating a setting signal for the diaphragm. ... | 02/14/2006 |
