X-ray or gamma ray systems or devices inventions 09/06

20060210013 - X-ray computer tomographic imaging apparatus and control method thereof: An X-ray CT apparatus according to this invention comprises X-ray generating unit which irradiates X rays toward a object, detecting unit which detects X rays irradiated from the X-ray generating unit and passed through the object, support unit which supports the X-ray generating unit and the detecting unit, driving unit...

20060210015 - Computed tomography with increased field of view: A volumetric computed tomography system with a large field of view has, in a forward geometry implementation, multiple x-ray point sources emitting corresponding fan beams at a single detector array. The central ray of at least one of the fan beams is radially offset from the axis of rotation of...

20060210014 - X-ray ct apparatus and data detecting method of x-ray ct apparatus: An X-ray CT apparatus comprises three X-ray generating units, three groups of detecting elements and a reconstructing unit. The three X-ray generating units are arranged so as to make an angle formed by a first X-ray exposure direction and a second X-ray exposure direction on a rotational plane thereof be...

20060210016 - Scanning-based detection of ionizing radiation for tomosynthesis: A scanning-based apparatus for obtaining tomosynthesis data of an object performing a periodic movement comprises a radiation source emitting radiation around an axis of symmetry; a radiation detector comprising line detectors, each being directed towards the divergent radiation source to allow a ray bundle of the radiation that propagates in...

20060210017 - Methods and devices for quantitative analysis of x-ray images: The present invention relates to network enabled analysis of x-ray images. Also described are devices comprising calibration phantoms; methods of using these devices; methods of formulating databases containing information regarding x-ray images; the databases themselves; and methods of manipulating the information and databases....

20060210018 - Methods and devices for quantitative analysis of x-ray images: The present invention relates to network enabled analysis of x-ray images. Also described are devices comprising calibration phantoms; methods of using these devices; methods of formulating databases containing information regarding x-ray images; the databases themselves; and methods of manipulating the information and databases....

20060210019 - Motion-corrected three-dimensional volume imaging method: An X-ray imaging method forms a set of a plurality of two-dimensional X-Ray projection images of a medical or veterinary object to be examined through a scanning rotation by an X-Ray source viz à viz the object. Such X-Ray images are acquired at respective predetermined time instants with respect to...

20060210020 - X-ray generation device: Between terminals of secondary windings in a high-voltage transformer (3), there are connected in parallel input side terminals of a plurality of diode full bridge circuits each via voltage maintaining means such as a capacitor maintaining a voltage peak value for a longer period than the cycle of an inverter...

20060210021 - Radiographic imaging apparatus: A radiographic imaging apparatus which has an imaging system having a radiation source to irradiate a subject with radiation and a radiation detector to detect the radiation irradiated from the radiation source, and a radiographic imaging table to arrange the subject within the imaging system includes an arm holder which...

20060203955 - Computer tomography method for a periodically moving object: The invention relates to a computer tomography method in which a periodically moving object, in particular an organ of the body, is irradiated by a cone-shaped beam cluster (4) along a trajectory which runs on a cylindrical surface. The radiation transmitted through the object is measured by means of a...

20060203956 - Method for an x-ray device and computer tomograph for reducing beam hardening artifacts from a generated image of an object: A method is disclosed for an x-ray device and a computer tomograph for suppressing beam hardening artifacts in a generated image of an object, for example in a tomogram of a patient. In the method, N measured values are acquired relating to N different energy ranges of the x-radiation. Further,...

20060203957 - Ct detector array having non-pixelated scintillator array: The present invention is a directed to a non-pixelated scintillator array for a CT detector as well as an apparatus and method of manufacturing same. The scintillator array is comprised of a number of ceramic fibers or single crystal fibers that are aligned in parallel with respect to one another....

20060203958 - Patient positioning device and patient positioning method: The invention is intended to always ensure a sufficient level of patient positioning accuracy regardless of the skills of individual operators. In a patient positioning device for positioning a patient couch 59 and irradiating an ion beam toward a tumor in the body of a patient 8 from a particle...

20060203959 - Dental extra-oral x-ray imaging system and method: A multi-layer dental panoramic and transverse x-ray imaging system includes an x-ray source; a digital imaging device capable of frame mode output with a sufficient frame rate; a mechanical manipulator having at least one rotational axis located in a position other than the focal point of the x-ray source; a...

20060203960 - Method and device for examining an object: In the field of airport baggage inspection, a multi-level screening procedure is used. When a first level screening system (18) detects a “suspicious region” inside a bag, it is transferred to a next level system (2) where the bag gets rescanned. According to the present invention, a device/method is provided...

20060203962 - Scanning arm and train inspection system by imaging through radiation having the scanning arm: The present invention discloses a scanning arm and a train inspection system by imaging through radiation having the scanning arm. The train inspection system by imaging through radiation comprises a scanning arm, a detector bracket with detector arrays mounted thereon, a radiation source, a calibration device, a front collimator and...

20060203961 - X-ray monitoring: Apparatus for monitoring in real time the movement of a plurality of substances in a mixture, such as oil water and air flowing through a pipe (24), comprises an X-ray scanner (8) arranged to make a plurality of scans of the mixture over a monitoring period to produce a plurality...

20060203963 - Medical apparatus system, and method for operation thereof: In a method for operation of a medical apparatus system having a number of components, namely at least one medical-technical imaging apparatus, at least one computer station, as well as a communication network connecting these components, a parameter setting of the medical-technical apparatus that can be selected for the implementation...

20060203964 - Method and device for calculating the radiation dose distribution for a radiation treatment system for the purpose of radiation therapy of an animal body: The invention relates to a method for calculating the radiation dose distribution for a radiation treatment system for the purpose of radiation therapy of an animal body, wherein said radiation beam of the radiation treatment system exhibits a specific beam field size and shape at different depths as well as...

20060203965 - Device for and method of generating extreme ultraviolet and/or soft-x-ray radiation by means of a plasma: A method is described for generating extreme ultraviolet and/or soft X-ray radiation by means of a plasma that can be generated through irradiation of a material. In order to obtain a reduction in the contamination of an optical illumination system as well as an instantaneous optimization of the power of...

20060203966 - X-ray unit having an automatically adjustable collimator: The invention relates to a method and a unit for automatically adjusting a collimator (6). In this connection, a region (9) of interest inside the body is determined in an application-specific way from an analysis of first X-ray pictures, and the collimator (6) is then adjusted thereon. The region (9)...

20060203967 - Method for pre treatment verification in radiation therapy: The present invention relates to a method to measure dose distribution in a patient-shaped phantom with high accuracy. The invention consists of a method of measuring dose distribution in a phantom for radiation therapy treatment verification, a detector configuration in such a phantom, detector improvement and measurement methodology to enable...

20060198489 - Scattering compensating method and scattering measuring method: A method for compensating scattering includes acquiring the projective length of non-subject entities and acquiring the projective length of an object of radiography wherein the object of radiography is radiographed with a beam thickness set to the same value as a detector thickness and the object of radiography is radiographed...

20060198490 - X-ray computed tomographic apparatus, image processing apparatus, and image processing method: An X-ray computed tomographic apparatus includes a gantry unit having a detector having X-ray detection element rows along a slice direction and an X-ray tube and acquiring projection data from a subject by helical scanning, an extraction unit extracting first and second projection data sets corresponding to first and second...

20060198492 - Radiation diaphragm apparatus and radiotherapy apparatus having the diaphragm apparatus: A radiation diaphragm apparatus, which is adapted to form a radiation field which is an exposed area of an object to be examined to radiation from a radiation source, comprises a plurality of diaphragm elements which are closely arranged in a first direction and movable along a second direction substantially...

20060198491 - Volumetric computed tomography system for imaging: A method for reconstructing an image, including obtaining projection data using an X-ray detector and one of a cone-beam X-ray generator and a fan-beam X-ray generator; filtering the obtained projection data using a ramp-based filtering function to generate filtered projection data; weighting the filtered projection data to compensate for redundant...

20060198493 - Shadow mask for an x-ray detector, computed tomography unit having a shadow mask, and a method for adjusting a shadow mask: A shadow mask and method for adjustment are disclosed. The shadow mask may be for an X-ray detector including detector elements, which may further be provided for a computed tomography unit, for example. The shadow mask has a mask plate with holes of which each is assigned a detector element....

20060198494 - Three-dimensional structure analyzing system: A three-dimensional structure analyzing system, which improves the energy resolution significantly, achieves low energy analysis, and allows the composition of a sample surface to be known with high accuracy. The three-dimensional structure analyzing system includes: an ion gun for irradiating at least a part of a sample with an ion...

20060198495 - System and method for ct scanning of baggage: The threat determination process for CT scan of baggage eliminates the need for complete reconstruction the bag. The CT scan data is analyzed during scanning to locate potential threats. The analysis is based upon a lineogram representing objects in the bag. The mass, size, location and atomic number of objects...

20060198496 - 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 data acquisition. The filters are positionable...

20060198497 - X-ray diagnostic apparatus: An X-ray diagnostic apparatus includes a floor rotating arm whose one end is mounted on a floor surface to be rotatable around a substantially vertical first rotation axis, a stand mounted on the other end of the floor rotating arm to be rotatable around a substantially vertical second rotation axis,...

20060198498 - Radiographic inspection of airframes and other large objects: A system for radiographic inspection of an object includes a radiation source located on one side of the object and a radiation detector located on another side of the object, being positioned to receive radiation from the radiation source. At least one motion sensor is associated with the radiation detector,...

20060198499 - Device and method for adapting the recording parameters of a radiograph: The invention relates to a method of adapting imaging parameters for a computer tomographic radiograph of a body volume, comprising the following steps: obtaining a three-dimensional pilot radiograph with a low dose of radiation (1); determining a region of interest and a desired image quality in the pilot radiograph (2)...

20060198489 - Scattering compensating method and scattering measuring method: A method for compensating scattering includes acquiring the projective length of non-subject entities and acquiring the projective length of an object of radiography wherein the object of radiography is radiographed with a beam thickness set to the same value as a detector thickness and the object of radiography is radiographed...

20060198490 - X-ray computed tomographic apparatus, image processing apparatus, and image processing method: An X-ray computed tomographic apparatus includes a gantry unit having a detector having X-ray detection element rows along a slice direction and an X-ray tube and acquiring projection data from a subject by helical scanning, an extraction unit extracting first and second projection data sets corresponding to first and second...

20060198492 - Radiation diaphragm apparatus and radiotherapy apparatus having the diaphragm apparatus: A radiation diaphragm apparatus, which is adapted to form a radiation field which is an exposed area of an object to be examined to radiation from a radiation source, comprises a plurality of diaphragm elements which are closely arranged in a first direction and movable along a second direction substantially...

20060198491 - Volumetric computed tomography system for imaging: A method for reconstructing an image, including obtaining projection data using an X-ray detector and one of a cone-beam X-ray generator and a fan-beam X-ray generator; filtering the obtained projection data using a ramp-based filtering function to generate filtered projection data; weighting the filtered projection data to compensate for redundant...

20060198493 - Shadow mask for an x-ray detector, computed tomography unit having a shadow mask, and a method for adjusting a shadow mask: A shadow mask and method for adjustment are disclosed. The shadow mask may be for an X-ray detector including detector elements, which may further be provided for a computed tomography unit, for example. The shadow mask has a mask plate with holes of which each is assigned a detector element....

20060198494 - Three-dimensional structure analyzing system: A three-dimensional structure analyzing system, which improves the energy resolution significantly, achieves low energy analysis, and allows the composition of a sample surface to be known with high accuracy. The three-dimensional structure analyzing system includes: an ion gun for irradiating at least a part of a sample with an ion...

20060198495 - System and method for ct scanning of baggage: The threat determination process for CT scan of baggage eliminates the need for complete reconstruction the bag. The CT scan data is analyzed during scanning to locate potential threats. The analysis is based upon a lineogram representing objects in the bag. The mass, size, location and atomic number of objects...

20060198496 - 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 data acquisition. The filters are positionable...

20060198497 - X-ray diagnostic apparatus: An X-ray diagnostic apparatus includes a floor rotating arm whose one end is mounted on a floor surface to be rotatable around a substantially vertical first rotation axis, a stand mounted on the other end of the floor rotating arm to be rotatable around a substantially vertical second rotation axis,...

20060198498 - Radiographic inspection of airframes and other large objects: A system for radiographic inspection of an object includes a radiation source located on one side of the object and a radiation detector located on another side of the object, being positioned to receive radiation from the radiation source. At least one motion sensor is associated with the radiation detector,...

20060198499 - Device and method for adapting the recording parameters of a radiograph: The invention relates to a method of adapting imaging parameters for a computer tomographic radiograph of a body volume, comprising the following steps: obtaining a three-dimensional pilot radiograph with a low dose of radiation (1); determining a region of interest and a desired image quality in the pilot radiograph (2)...