X-ray or gamma ray systems or devices inventions 02/06

20060039526 - Image processing device and image processing method: To provide image processing device and method capable of achieving a high-speed reconstruction process to a cone beam CT image, an area necessary for reconstruction in a projection image is determined from a slice position to be reconstructed, a convolution process is executed by using the determined area. Moreover, the...

20060039525 - Method and apparatus for exact cone beam computed tomography: The invention relates to a computed tomography method in which an examination zone is irradiated along a helical trajectory by a conical radiation beam. The radiation transmitted by the examination zone is measured by means of a detector unit and therefrom the absorption distribution in the examination zone is reconstructed...

20060039527 - Anti-scattering x-ray shielding for ct scanners: A CT scanner comprising a stator and a rotor having an axis of rotation mounted to the stator so that the rotor is rotatable about the axis of rotation comprising: an X-ray source mounted to the rotor, said X-ray source having a focal spot from which X-rays emanate; an X-ray...

20060039528 - Light detector, radiation detector and radiation tomography apparatus: A light detector includes a plurality of light receiving sections which are formed in a substrate and generate signal charges corresponding to the amount of incident light, and a plurality of wirings which are formed on the substrate and fetch the signal charges from the light receiving sections, wherein at...

20060039529 - System of generating stereoscopic image and control method thereof: A stereoscopic-image generating system includes a radiation source, an image pickup device adapted to acquire information on a transmissive radiation ray transmitted through an object, the transmissive radiation ray being emitted from the radiation source, and a control device adapted to acquire presentation parameters of a presentation device which present...

20060039530 - Exempt source for an x-ray fluorescence device: An x-ray fluorescence (XRF) device and a method for using the same to analyze a sample are described. The EMRXG source of the XRF device has a configuration that allows a greater amount of EMRXG to impinge on the sample being analyzed. The x-ray detector of the XRF device has...

20060039532 - Phase-contrast x-ray imaging systems and methods: The present invention relates systems and methods for phase-contrast x-ray imaging of an object. In one embodiment, the system includes an x-ray source, a detector, and an object-map generator. The x-ray source transmits x-rays, and the detector is positioned so as to receive at least a portion of the x-rays...

20060039531 - System and method for dividing images: System and method for dividing radiological images. The method can include sending a first request to an image acquisition system to perform a first examination, sending a second request to the image acquisition system to perform a second examination, and combining the first examination and the second examination into a...

20060039533 - Management system for combination treatment: Embodiments may include determination of a treatment plan associated with a patient, the treatment plan including a first treatment mode in which a treatment agent is present within a portion of the patient and a second treatment mode in which the portion of the patient is irradiated, determination, independent from...

20060039534 - Image sensing system: This invention is to provide a system which has a plurality of sensor units and can efficiently sense an image. A sensing system includes a plurality of sensor units, a plurality of selection switches that are arranged in correspondence with the plurality of sensor units, respectively, and select corresponding sensor...

20060039535 - X-ray generating method and x-ray generating apparatus: An electron beam with a circular cross section is flattened to form a flat electron beam with a flattened cross section. Then, the flat electron beam is irradiated onto a target, thereby generating an X-ray. Since the flat electron beam has high energy density, the X-ray can be generated in...

20060039536 - Collimator control method and x-ray ct apparatus: A collimator control method for an X-ray CT apparatus includes changing an aperture of the collimator according to a position of a helical scan on the body axis of the subject in the progress of the helical scan....

20060039537 - C-arm device with adjustable detector offset for cone beam imaging involving partial circle scan trajectories: A C-arm x-ray imaging system enhances reconstructed volumes internal to a patient. Truncation artifacts in reconstructed volume data sets may be reduced by creating an effective x-ray detector of greater size. The x-ray detector may include a movable stage and a detector mount. The movable stage may be movable within...

20060034417 - Efficient image reconstruction algorithm for the circle and line cone beam computed tomography: Methods, systems and processes for providing efficient, accurate and exact image reconstruction using portable and easy to use C-arm scanning devices and rotating gantries, and the like. The invention can provide exact convolution-based filtered back projection (FBP) image reconstruction by combining a curved scan of the object and a line...

20060034418 - Tomography appliance, and method for a tomography appliance: A tomography appliance and method for a tomography appliance make it possible to calculate, in a simple and efficient manner, detector-element-related coefficients of an intensity function dependent on the detector output signal and to calculate the X-ray-emitter-related coefficients of an intensity function dependent on an X-ray emitter input value. This...

20060034419 - Scan control method and x-ray ct apparatus: A scan control method for an X-ray CT apparatus wherein a subject with a contrast agent injected therein is helically scanned with an X-ray beam and image reconstruction is performed based on projection data obtained through an X-ray detector. The method includes controlling a velocity of a helical scan following...

20060034420 - X-ray sensor signal processor and x-ray computed tomography system using the same: An X-ray CT apparatus having X-ray irradiator for irradiating an X-ray to an object to be inspected, an X-ray sensor for detecting an X-ray passed through the object to be inspected, an X-ray sensor signal processing circuit for processing an output signal from the X-ray sensor, and a CT control...

20060034421 - Method and apparatus for adjusting a scanning region in a computed tomography system: A method and an apparatus are provided for adjusting a scanning region of a computed tomography (CT) scanner. At least one edge point of a set-point scanning region on a patient examination table associated with the CT scanner is indicated by hand signals of a user. Via a distance sensor,...

20060034422 - Method and apparatus for measuring the thickness of compressed objects: A method and apparatus for determining a degree of deflection in a breast compression plate. The mammography apparatus further includes an optical measuring device. The method and apparatus involve (a) providing a pattern on the breast compression plate, the pattern being imagable by the optical measuring device, and having a...

20060034423 - Surgical microscope: The invention relates to a surgical microscope (1) whose surface is at least partly provided with an incorporated bactericidal and/or fungicidal material. This surface part (A-D) comprises at least one carrier material (15) with an incorporated bactericidal and/or fungicidal material dispersed therein in the form of nanoparticles having a size...

20060034424 - X-ray diagnosis apparatus and method for obtaining an x-ray image: A method for obtaining an X-ray image for an X-ray diagnosis apparatus including plurality of imaging systems, including: collecting first scatter data using a first X-ray detector after an X-ray is irradiated from a first X-ray tube in a first imaging system; collecting second scatter data using a second X-ray...

20060034425 - Cantilever and straddle x-ray tube configurations for a rotating anode with vacuum transition chambers: An imaging tube assembly (11) for a computed tomography (CT) system (10) includes an insert (60) that has a vacuum chamber (72). An anode (58) resides within the vacuum chamber (72) and rotates on a shaft (66) via one or more bearing (70). In one embodiment, a seal (52) resides...

20060034426 - X-ray device that emits an x-ray beam with a scanning-like movement: An x-ray device includes an x-ray tube for generation of an x-ray emanating from a focal spot of a rotary anode rotatable around a rotation axis and a slit-shaped diaphragm for generation of a fan-shaped x-ray beam that is gated from the x-ray and emission is moved through an examination...

20060034427 - Mobile digital radiography x-ray apparatus and system: A mobile x-ray apparatus for generating a digital x-ray image and transmitting it to a remote site, includes: (a) a first computer; (b) a flat panel detector in communication with the first computer; and (c) an x-ray cart assembly removably supporting the first computer, which includes a cart with a...

20060029180 - Exact filtered back projection (fbp) algorithm for spiral computer tomography with variable pitch: Reconstructing images of objects spirally scanned with two-dimensional detectors with a novel algorithm under a variable pitch (nonconstant speed), where the object is not restricted to moving at a constant velocity. The object can move at variable speeds(increasing, decreasing, combinations thereof) during the scan of the object. The image reconstruction...

20060029181 - Upright ct scanner: In an upright CT scanner, an X-ray source and a two-dimensional digital X-ray detector are mounted on a rotating platform with a vertical axis of rotation. During scanning, the X-ray source and the detector are on opposite sides of the rotational axis for orbiting about a body to thereby scan...

20060029182 - Fluorescent x-ray analysis method and fluorescent x-ray analysis apparatus: The concentration(s) of element(s) contained in an unknown sample is measured without necessity of judging the sample relying on a human's eye and obtaining information from a supplier of the sample previously. The concentration(s) of trace element(s) such as Cd, Pb and Hg contained in parts for electronic or electric...

20060029183 - Soft tissue filtering: A method is disclosed for enhancing the visibility of at least some features of a radiographic image, the features belonging to at least a first and a second category of features, the method including the steps of determining a histogram of the image, analyzing the histogram in order to determine...

20060029184 - High-throughput methods for determining electron density distributions and structures of crystals: Disclosed are high-throughput methods for determining crystal structures from X-ray diffraction data, for example high-throughput crystal structure determination methods employing flexible, high-throughput modular computational pipelines, such as Bioperl computational pipelines. High-throughput methods for determining crystal structures can be fully or partially automated, and can be fully or partially computer executed....

20060029185 - Portable industrial x-ray system conveniently field-configurable for gas or liquid cooling: An x-ray system with a tubehead that can be easily configured in the field for gas or liquid cooling of the x-ray tube anode so a user need not stock or carry more than one kind of tubehead to accommodate different cooling needs....

20060029186 - Spinal midline indicator: A spinal midline indicator (10) has a body (14) of radiolucent material for insertion between adjacent vertebrae (18, 20) and a radiographic marker (12) located centrally with the body to indicate the position of the spinal midline (22) in anterior-posterior images when the body is centrally located between the vertebrae....

20060029187 - Urological working place: A urological working place is provided that can include a U-bow with an x-ray source arranged at one end and an image processing device arranged at the other end, wherein the image processing device cooperates with the x-ray source. An examination table is releasably secured to the U-bow and replaceable...

20060023830 - X-ray apparatus provided with a positionally adjustable x-ray detector: The invention relates to an X-ray apparatus which includes an X-ray source (2) for the emission of a conical X-ray beam and an X-ray detector (3) for the multiple detection of the X-rays after their passage through an object to be examined, being arranged along an object axis (4), while...

20060023831 - X-ray ct image processing method and x-ray ct apparatus: A method to optimize the image quality for each specified area in a tomographic image. The method includes creating a plurality of reconstruction images reconstructed by using different reconstruction functions specifying some specific areas included in the tomographic image such as organs by either the trace function, by the automatic...

20060023832 - Scatter control system and method for computed tomography: Various configurations for scatter reduction and control are provided for CT imaging. These configurations include an imaging system having a stationary detector extending generally around a portion of an imaging volume and a distributed X-ray source placed proximal to the stationary detector for radiating an X-ray beam toward the stationary...

20060023833 - Computed tomography gantry: To enlarge the angle range to be covered, with a simultaneously smaller variance of the focal spots, in a gantry for a computed tomography at least two x-ray tubes are provided for generation of an x-ray beam instead of a single x-ray tube. The respective x-ray beams of the x-ray...

20060023834 - High voltage transformer for backlight power source: A high voltage transformer for a backlight power source includes a windings base, a core and windings, the windings base having isolating walls disposed exterior thereto through which a primary side region and a secondary side region are formed, the secondary side region being optionally formed with several windings troughs...

20060023835 - Radiation scanning units with reduced detector requirements: In one embodiment, a scanning unit for inspecting cargo conveyances uses a partial radiation beam and a detector of reduced length. In another embodiment, a scanning unit for inspecting objects comprises a detector with gaps along its expanse. In both cases, the cost of the scanning system may be reduced....

20060023837 - Combinatorial screening system with x-ray diffraction and raman spectroscopy: A sample analysis system makes use of both X-ray diffraction analysis and Raman spectroscopy of a sample. The sample is part of a sample library that is mounted on an XYZ stage that allows each sample to be examined in turn, as the XYZ stage is moved to position successive...

20060023836 - Enhancement of x-ray reflectometry by measurement of diffuse reflections: A method for inspection of a sample having a surface layer. The method includes acquiring a first reflectance spectrum of the sample while irradiating the sample with a collimated beam of X-rays, and processing the first reflectance spectrum to measure a diffuse reflection property of the sample. A second reflectance...

20060023838 - X-ray diffraction screening system convertible between reflection and transmission modes: An X-ray diffraction apparatus provides analysis in either transmission or reflective mode and easy conversion between the two modes. An X-ray source and X-ray detector are each connected to a different circle of a goniometer. The two circles may be rotated independently to position the source and detector on the...

20060023839 - Photo timer and radiographic apparatus: A photo timer includes an X-ray dose detector for detecting the dose of X-rays irradiated from an X-ray irradiation apparatus, a stop-signal output means for outputting a stop signal to stop irradiation of the X-rays from the X-ray irradiation apparatus when the detected X-ray dose exceeds a predetermined value, and...

20060023840 - Method for imaging in a medical interventional procedure by image subtraction: In a method for imaging in a medical interventional procedure, in which an image of structures (in particular vessels) of a body region is generated during the procedure, image data of a first 2D x-ray image of the body region that is generated with a contrast agent enhancement of the...

20060023841 - High-voltage supply for an x-ray device: The disclosed embodiments relate to a high-voltage supply (11, 13, 23) for an X-ray device. The X-ray device comprises an X-ray tube (15) and an X-ray generator (1), for generation of the high voltage necessary for operating the X-ray tube (15). The high voltage supply (11, 13, 23) comprises electrically-conducting...

20060023842 - Single-leaf x-ray collimator: A single-leaf X-ray collimator comprises at least one collimating leaf member having at least one collimating aperture. The collimating leaf member is adapted to be configured to rotate about at least one of a vertical or horizontal plane. The collimator provides elliptical collimation and hence improved dosage efficiency....

20060023843 - Cone-beam imaging for brachytherapy: A system includes delivery of one or more radiation sources to an internal patient portion within an operating theatre, and acquisition of three-dimensional X-ray data of the internal patient portion and the one or more radiation sources within the operating theatre. The system may also include identification of areas of...

20060023844 - 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 scanner due to HVPS drift and scanner to scanner variations due to...