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Computerized Tomography

Computerized Tomography patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

Related Categories:

X-ray Or Gamma Ray Systems Or Devices


Specific Application > Computerized Tomography



System and method for mounting x-ray tube on a ct gantry for high g-load applications
12/11/14 - 20140362969 - A mounting structure for mounting an x-ray tube on a CT rotatable gantry is disclosed. The mounting structure includes base plates that are boltable to the CT rotatable gantry and have bearing strut connections formed thereon. Spherical bearing struts are provided in the mounting structure to mechanically couple the x-ray...

System and method of correcting banding artifacts in cardiac ct
12/11/14 - 20140362970 - A CT system includes a gantry having a rotatable base and having an opening for receiving an object to be scanned, an x-ray source, a CT detector, and a computer programmed to detect a mis-registration at a slab boundary between a first slab and a second slab of a reconstructed...

Ebeam tomosynthesis for radiation therapy tumor tracking
11/27/14 - 20140348288 - A system for tracking tumors during radiotherapy for interleaving treatment pulses with imaging pulses is disclosed. The system includes a multisource scanning eBeam X-ray tube having a plurality of focal spots. The X-ray tube is configured to emit X-rays in a plurality of different locations on a target by sequentially...

Medical system, server apparatus, and power management method
11/13/14 - 20140334597 - A medical apparatus includes an apparatus main body (11) configured to execute imaging or treatment of an object in accordance with an imaging plan or a treatment plan, an electric power calculation unit (29) configured to calculate an electric power required for the imaging or the treatment based on the...

X-ray ct imaging device and x-ray ct imaging method
11/06/14 - 20140328446 - According to an X-ray imaging device for performing CT imaging, a main body control section controls at least one of an X-ray revolution plane formed by an X-ray cone beam along with the revolution of a revolving arm and a revolution range of the revolving arm in accordance with a...

Systems and methods for computed tomography (ct) imaging using variable image quality factors or image capture settings in a single acquisition
11/06/14 - 20140328447 - Systems and methods for computed tomography (CT) imaging using variable image quality factors or image capture settings in a single acquisition are disclosed. According to an aspect, a method includes using a CT system to capture CT image data of an object in a single acquisition. The method also includes...

System and method for multi-material correction of image data
11/06/14 - 20140328448 - A method is provided. The method includes acquiring projection data of an object from a plurality of pixels, reconstructing the acquired projection data from the plurality of pixels into a reconstructed image, performing material characterization and decomposition of an image volume of the reconstructed image to reduce a number of...

Method for examining samples of frozen rocks
11/06/14 - 20140328449 - A sample of frozen rocks is placed into contact with a frozen solution of an X-ray contrast agent at subzero temperature. Upon the end of saturation of the sample, a computed X-ray microtomography of the sample is conducted at a subzero temperature. The obtained microtomographic image is analyzed and spatial...

Active shield for x-ray computed tomography machine
10/30/14 - 20140321601 - An active shield for an X-ray computed tomography machine includes a radiation shielding substrate and a flexible circuit board wrapped around the substrate....

Imaging system gantry
10/30/14 - 20140321602 - An imaging system (100) includes a stationary gantry (102), a rotating gantry (104) that rotates around an examination region about a z-axis, an annular support (106) that is statically affixed to the stationary gantry and that rotatably couples the rotating gantry to the stationary gantry, and a radial compliant ring...

Tilted detector array for medical imaging systems including computed tomography
10/23/14 - 20140314196 - A medical imaging system can include a frame that has a bore that has a central longitudinal axis that intersects a target area for imaging, and a radiation source to emit radiation in radial directions towards the target area to form a fan or cone of emitted radiation that irradiates...

X-ray tube assembly and x-ray computerized tomography scanner
10/23/14 - 20140314197 - According to one embodiment, an X-ray tube assembly includes a housing, an X-ray tube, a coolant to which at least a part of heat generated by the X-ray tube is transferred, a circulation channel through which the coolant is circulated, a circulation pump, a radiator, an air filter and a...

Tomosynthesis with shifting focal spot and oscillatig collimator blades
10/23/14 - 20140314198 - In a tomosynthesis system a static focal spot is moved in a direction opposite to and generally synchronized with the directional movement of an x-ray source and X-ray collimator blades are moved during each exposure in synchronization with the shifting of the static focal spot. The synchronized movement of the...

Computerized tomography (ct) imaging system with improved x-ray tube mount
10/09/14 - 20140301526 - at least one mounting construct for mounting said housing to the rotating disk assembly, wherein said at least one mounting construct is disposed intermediate said inner end of said housing and said outer end of said housing....

Scintillator array, and x-ray detector and x-ray examination device using scintillator array
10/09/14 - 20140301527 - In one embodiment, a scintillator array includes a plurality of scintillator blocks, and a reflective layer part interposed between the adjacent scintillator blocks. The plurality of scintillator blocks are integrated by the reflective layer part. The reflective layer part includes reflective particles dispersed in a transparent resin. The reflective particles...

Non-destructive inspection of an article using cross-sections through internal feature
10/02/14 - 20140294136 - A method of non-destructively inspecting an article includes scanning an article to produce a computerized three-dimensional representation of an internal feature of the article. A measurement characteristic of the internal feature is then generated from a plurality of cross-sections through the computerized three-dimensional representation of the internal feature. The measurement...

Device and computed tomography scanner for determining and visualizing the perfusion of the myocardial muscle
10/02/14 - 20140294137 - A device is disclosed for determining and visualizing the perfusion of the myocardial muscle with the aid of static CCTA images. In at least one embodiment, the device includes a segmentation unit for segmenting the coronary blood vessels and the left myocardial muscle from a CCTA image of the heart;...

Out of plane artifact reduction in digital breast tomosynthesis and ct
10/02/14 - 20140294138 - Reduction of artifacts in digital breast tomosynthesis and in computed tomography. Because of the limited angular range acquisition in DBT the reconstructed slices have reduced resolution in z-direction and are affected by artifacts. Out-of-plane blur caused by dense tissue and large masses complicates 3D visualization and reconstruction of thick slices...

Diagnostic scanning apparatus
09/18/14 - 20140270051 - A diagnostic scanning apparatus includes a hollow rotor sized to receive a patient. First and second flanges are connected to and extend radially outward from the rotor in a spaced-apart relationship, each of the first and second flanges including, at least in part, a magnetically-permeable material. A radiation source is...

Systems and methods for evaluating a brain scan
09/18/14 - 20140270052 - The present disclosure provides systems and methods for evaluating a brain scan using reference data. Specifically, the systems and methods include a computed tomography (CT) scanner for the purpose of diagnosing concussions or mild traumatic brain injuries (mTBI). The system includes a multi-energy x-ray source (i.e., spectral CT), a photon...

Method for consistent and verifiable optimization of computed tomography (ct) radiation dose
09/18/14 - 20140270053 - A system and a method is disclosed for consistently and verifiably optimizing computed tomography (CT) radiation dose in the clinical setting. Mathematical models allow for estimation of patient size, image noise, size-specific radiation dose, and image quality targets based on digital image data and radiologists preferences. A prediction model estimates...

Medical x-ray photography apparatus
09/11/14 - 20140254745 - A medical X-ray photography apparatus includes the turning arm and a moving mechanism. The turning arm supports an X-ray generator and an X-ray detector. The moving mechanism includes a turning part that turns the turning arm and a moving part that moves the turning arm along a two-dimensional plane orthogonal...

X-ray ct system
09/11/14 - 20140254746 - An X-ray CT system including: a rotator including an X-ray tube installed therein; a gantry, arranged on a floor part, and configured to rotatably support the rotator; a cover configured to cover the rotator and the gantry from the outside; and an elastic member, and mounted along the lower edge...

X-ray detection submodule, x-ray detection module, and x-ray ct apparatus
08/21/14 - 20140233690 - An X-ray detection submodule, comprising: a substrate; a photodiode mounted on the substrate; an X-ray detection element configured to detect an X-ray and convert the X-ray into light; and a light waveguide provided between the photodiode and the X-ray detection element, wherein the light waveguide connects the X-ray detection element...

Computed tomography imaging process and system
08/21/14 - 20140233691 - A computed tomography imaging process, including: acquiring projection images of an object by detecting radiation that has passed through the object for respective different relative orientations of the object and the radiation; and processing the projection images to generate a tomogram of the object; wherein the radiation passes through the...

Large field of view grating interferometers for x-ray phase contrast imaging and ct at high energy
08/14/14 - 20140226782 - A device and method of the present disclosure provides large field-of-view Talbot-Lau phase contrast CT systems up to very high X-ray energy. The device includes microperiodic gratings tilted at glancing incidence and tiled on a single substrate to provide the large field-of-view phase contrast CT system. The present disclosure is...

Camera arrangement for image detection, x-ray system and method for balancing and operating
08/07/14 - 20140219414 - A camera arrangement for image detection includes radiation-sensitive sensor elements arranged to record a common object plane in offset fields of view, a balancer and a shading corrector. The balancer is implemented, for balancing the sensor elements, to post-process for each sensor element a sensor signal of the respective sensor...

Method and apparatus for data conversion in an unequal gamma angle ct system
07/31/14 - 20140211908 - A method and apparatus for data conversion in an unequal γ angle CT system. The method for imaging in a CT system having a flat module detector array includes obtaining fan beam projection data of an object from a CT scan, obtaining a geometric structure parameter of the flat module...

Photon counting type x-ray computed tomography apparatus and data transfer method for the same
07/31/14 - 20140211909 - A photon counting type X-ray computed tomography apparatus includes an X-ray tube, a detector, a raw data generating section, an information compression section, and a data transmission section. The X-ray tube is configured to irradiate an X-ray. The detector is configured to count photons derived from the irradiated X-ray. The...

X-ray ct device, and method
07/17/14 - 20140198892 - If the calculation accuracy of a CT image of an entire subject is low, the accuracy of local-region measurement projection data deteriorates and local-region CT images cannot be corrected so as to have good accuracy. In the present invention, a background region CT image is created on the basis of...

Computed tomography system with dynamic bowtie filter
07/10/14 - 20140192950 - A CT apparatus for scanning an object is provided. An x-ray source is provided, wherein the x-ray source provides a collimated x-ray beam with a cross-section with a length and thickness. A plurality of wedges is provided between the source and object. An actuator is connected to the wedges for...

X-ray imaging apparatus and x-ray image processing method
07/03/14 - 20140185738 - Disclosed herein is an X-ray imaging apparatus. The X-ray imaging apparatus includes at least one X-ray emitter which is configured to irradiate an object with X-rays at a plurality of X-ray emission positions, an X-ray detector which is configured to detect X-rays which are emitted by the X-ray emitter and...

Cathode control multi-cathode distributed x-ray apparatus and ct device having said apparatus
07/03/14 - 20140185739 - This invention relates to an apparatus producing distributed X-ray, and in particular to a cathode control multi-cathode distributed X-ray apparatus, which produces X-ray that changes focal position in a predetermined order by arranging multiple independent hot cathodes and controlling cathodes in an X-ray source device, and a CT device having...

Automatic scanning and positioning apparatus for a scout image
07/03/14 - 20140185740 - An automatic scanning and positioning apparatus for a scout image, comprising: a receiving means, for receiving a scout image of a subject obtained through scout scanning; a checking and determining means, for automatically checking at least one position in the scout image according to a plurality of information contained in...

Collimator grid and an associated method of fabrication
06/26/14 - 20140177781 - A collimator grid and a method of fabricating the collimator grid are disclosed. The method includes molding a plurality of plates, each plate includes a plurality of grooves in a first surface, a plurality of fin tips in a second surface disposed opposite to the first surface, plurality of ribs...

Dynamic collimation
06/26/14 - 20140177782 - A method includes performing a three dimensional volume scan of a region of interest located in a portion of an object or subject in an examination region, including dynamically collimating a radiation beam used to perform the scan so that a geometry and/or location of the radiation beam tracks, during...

Terbium based detector scintillator
06/26/14 - 20140177783 - An imaging system (100) includes a radiation source (110) and a radiation sensitive detector array (116), which includes a scintillator array (118) and a photosensor array (120) optically coupled to the scintillator array, wherein the scintillator array includes Gd2O2S:Pr,Tb,Ce. A method includes detecting radiation with a radiation sensitive detector array...

Cooler, x-ray computed tomography apparatus, and maintenance method of x-ray computed tomography apparatus
06/05/14 - 20140153689 - According to one embodiment, a cooler includes a casing, a radiator unit which is installed in a circulation path, where a coolant is circulated, and is configured to externally discharge heat of the coolant, and a fan unit housed in the casing to generate an air flow passing through the...

Angiographic examination method
05/08/14 - 20140126685 - An angiographic examination method for examining an organ, vascular system or other regions of a patient is proposed. Projection images are acquired by an angiography system having an X-ray tube assembly and an X-ray image detector applied to ends of a C-arm, a patient table having a tabletop for carrying...

Medical imaging apparatus and method of providing operational information of gantry included in the same
05/01/14 - 20140119494 - A medical imaging apparatus and/or method includes a gantry, a control unit, and a display unit. The gantry has a source for generating an X-ray and a detector for detecting the X-ray passing through an object. The gantry allows the source and the detector to rotate around the object. The...

Radiation imaging apparatus and method for reconstructing image
05/01/14 - 20140119495 - Disclosed are an image reconstruction method and a radiation imaging apparatus using the same. The radiation imaging apparatus includes a radiation emitter which emits multiple energy spectra of radiation toward an object, a radiation detector which detects multiple energy spectra of radiation passing through the object and thereby outputs measurement...

Compact microbeam radiation therapy systems and methods for cancer treatment and research
05/01/14 - 20140119496 - The present subject matter relates to compact, non-synchrotron microbeam radiation therapy (MRT) systems and methods for cancer research and treatment based on a carbon nanotube distributed x-ray source array technology. The systems and methods can deliver microscopically discrete x-ray radiation at peak dose rate of 10 Gy per second or...

Apparatus and method for measuring medical information providing three-dimensional stereoscopic image
04/24/14 - 20140112430 - An apparatus and method for providing a 3D stereoscopic image is provided. The apparatus may provide a 3D stereoscopic image generated based on two projection images imaged at different positions....

Non-contact rotary power transfer system
04/10/14 - 20140098929 - A power delivery system includes a rotary transformer having a primary winding and a secondary winding and configured to transfer power between stationary coupling elements on a stationary side and rotational coupling elements on a rotational side. The rotational coupling elements share a central axis with the stationary coupling elements,...

Extremity imaging apparatus for cone beam computed tomography
04/10/14 - 20140098930 - An apparatus for cone beam computed tomography can include a support structure, a scanner assembly coupled to the support structure for controlled movement in at least x, y and z orientations, the scanner assembly can include a DR detector configured to move along at least a portion of a detector...

Radiographic image generation device and method
04/03/14 - 20140093029 - Radiographic images for different imaging directions taken by applying radiation to a subject from the different imaging directions are obtained, and a plurality of first tomographic images having a first slice thickness are generated based on the obtained plurality of radiographic images and a plurality of second tomographic images having...

X-ray ct system, image display device, and image display method
04/03/14 - 20140093030 - Techniques are provided that enable displaying of medical images that depict cyclic motions in the subject. An X-ray CT system scans, with X-rays, the subject whose targeted region is experiencing a cyclic motion and acquires detection data. This X-ray CT system comprises a reconstruction processor, a moving image creator, and...

Dynamic beam aperature control to reduce radiation dose using collimator
03/27/14 - 20140086380 - A computed tomography (CT) apparatus including: an X-ray source configured to direct X-rays toward a detector assembly; a dynamic beam collimator fixed in space and configured to dynamically limit an X-ray beam directed toward an object of interest, the dynamic beam collimator including a plurality of leaflets to block a...

Computed tomography (ct) systems and methods analyzing rock property changes resulting from a treatment
03/27/14 - 20140086381 - The effect of a treatment on a rock sample or sub-sample extracted from the rock sample can be analyzed through computed tomography (CT). To determine the effect of a treatment of a rock sample or the sub-sample, pre-treatment and post-treatment CT images of the rock sample or the sub-sample are...

X-ray ct apparatus
03/20/14 - 20140079178 - An X-ray CT apparatus, which is capable of quickly acquiring information for determining whether further CT imaging is required, is provided. The X-ray CT apparatus according to the embodiment comprises a reconstruction processor, a setting unit, and a controller. The reconstruction processor carries out first reconstruction processing to be carried...

X-ray diaphragm mechanism and x-ray ct apparatus
03/20/14 - 20140079179 - The present invention includes: X-ray shielding materials; X-ray shielding material mounting plates to which the X-ray shielding portions are fixed; a driven side link and a driving side link that connect the two X-ray shielding material mounting plates to each other so that the X-ray shielding portions face each other...

Method, arrangement, and computer program product for efficient production of tomographic images
03/13/14 - 20140072094 - A method is provided for constructing a tomographic reconstruction through the application of statistical inversion. Unknowns associated with points of a reconstruction grid are represented with components of a vector-valued variable. A next version of the vector-valued variable is repeatedly created by drawing for each component a value from a...

Confocal xrf-ct system for mining analysis
03/13/14 - 20140072095 - A correlative evaluation of a sample using an x-ray computed tomography (CT) x-ray fluorescence (XRF) system and the method for analyzing a sample using x-ray CT and XRF is disclosed. The CT/XRF system includes an x-ray CT subsystem for acquisition of volume information and a confocal XRF subsystem for acquisition...

X-ray ct apparatus
03/06/14 - 20140064440 - Small-sized X-ray CT apparatus obtaining a cross-section or 3D image of a sample, using X-rays. Included: an X-ray generating apparatus irradiating X-rays on the sample; an X-ray detecting device detecting X-rays passing through the sample; and a device processing a detection signal from the X-ray detecting device, to re-structure the...

Computed tomography apparatus
02/27/14 - 20140056401 - A computed tomography apparatus capable of confirming the positional relationship of an imaging region and a field of view in a real space at the time of determining the position of the imaging region. The computed tomography apparatus according to an embodiment comprises a couch that moves a top board...

Method and x-ray device to determine a three-dimensional target image data set
02/20/14 - 20140050295 - In a method and x-ray device to determine a three-dimensional target image data set showing at least one partial region of interest of an acquisition region, wherein the image data of the three-dimensional target image data set are reconstructed from two-dimensional projection images acquired from various projection directions, first projection...

Method and apparatus for cone beam breast ct image-based computer-aided detection and diagnosis
02/06/14 - 20140037044 - Cone Beam Breast CT (CBBCT) is a three-dimensional breast imaging modality with high soft tissue contrast, high spatial resolution and no tissue overlap. CBBCT-based computer aided diagnosis (CBBCT-CAD) technology is a clinically useful tool for breast cancer detection and diagnosis that will help radiologists to make more efficient and accurate...

X-ray computed tomography apparatus and reconstruction processing method
01/30/14 - 20140029717 - According to one embodiment, an X-ray computed tomography apparatus includes an X-ray generation unit, an X-ray detection unit, a unit to reconstruct volume data for a reconstruction region having an operator-designated diameter based on projection data, a unit to generate interpolation data based on measurement data to complete projection data...

Ct image creation apparatus for charged particle beam therapy
01/23/14 - 20140023175 - A CT image creation apparatus for charged particle beam therapy includes: an image acquisition unit that acquires X-ray image data, which is imaged every predetermined set rotation angle, while rotating a rotating gantry to which an X-ray tube that emits X-rays and an X-ray detector that detects X-rays emitted from...

Tomosynthesis with shifting focal spot and oscillating collimator blades
01/16/14 - 20140016737 - In a tomosynthesis system a static focal spot is moved in a direction opposite to and generally synchronized with the directional movement of an x-ray source and X-ray collimator blades are moved during each exposure in synchronization with the shifting of the static focal spot. The synchronized movement of the...

Systems and methods for imaging and detecting sheet-like material
01/09/14 - 20140010342 - A method for imaging an object is provided. The method includes acquiring image data of the object, wherein the image data includes a plurality of original voxels, and identifying, using a processing device, a first subset of voxels from the acquired image data. The method also includes performing a principal...

Method and system for x-ray ct imaging
01/02/14 - 20140003572 - Methods and systems for performing x-ray computerized tomographic (CT) reconstruction of imaging data on a rotatable portion of the system, such as a ring-shaped rotor. The rotor may include an x-ray source, and x-ray detector system and a processor, coupled to the detector system, for performing tomographic reconstruction of imaging...

Detector system for imaging device
12/26/13 - 20130343507 - A detector system for an imaging system includes an airflow cooling system. The detector system includes a detector chassis, a duct extending along the length of the chassis, and a manifold that couples the duct to the interior of the chassis. A vacuum source, such as a suction fan, is...

Image producing method, image producing apparatus and radiation tomographic imaging apparatus, and program
12/26/13 - 20130343508 - An image producing method is provided. The method includes acquiring regular-interval parallel-beam projection data whose intervals in a channel direction are the same and parallel to each other in a plurality of view directions by applying interpolation processing in a view direction, rearrangement processing, and interpolation processing in the channel...

Multi-plane x-ray imaging system and method
12/26/13 - 20130343509 - Imaging systems having multiple radiation sources, such as x-ray sources, and multiple radiation detectors, such as flat-panel x-ray detectors and/or diagnostic-quality CT detectors, housed within an imaging gantry, for obtaining simultaneous images of an object positioned within a bore of the gantry in multiple imaging planes....

X-ray computed tomography apparatus, medical image processing apparatus, x-ray computed tomography method, and medical image processing method
11/21/13 - 20130308744 - An X-ray computed tomography apparatus includes, an X-ray source which irradiates an object with X-rays spreading in a slice direction, an X-ray detector including a plurality of X-ray detection elements which are juxtaposed in the slice direction and detect X-rays transmitted through the object, a reconstruction unit which includes a...

Method of reconstructing image and apparatus and tomography apparatus for performing the same
11/07/13 - 20130294568 - A method of reconstructing a tomography image of an object from a plurality of projection images generated by scanning the object in a plurality of projection directions includes: determining whether a truncated portion of the object exists in the plurality of projection images; reconstructing a first reconstruction image; calculating projection...

X-ray ct photographic apparatus
11/07/13 - 20130294569 - An X-ray CT photographic apparatus including: a beam shaping mechanism that regulates an irradiation range of an X-ray generated from an X-ray generator and shapes the X-ray into an X-ray cone beam; and a main body controller that changes a read region, where an X-ray detection signal is read in...

Truncation compensation for iterative cone-beam ct reconstruction for spect/ct systems
11/07/13 - 20130294570 - A multiple modality imaging system (10) includes a cone-beam computed tomography scanner (24, 30) which acquires CT projection data of a subject (22) in an examination region (18) and a nuclear imaging scanner which concurrently/subsequently acquires nuclear projection data of the subject in the examination region. A CT reconstruction processor...

Wireless imaging system
10/17/13 - 20130272488 - the scanner comprising an on-board wireless communication unit, and the guidance system comprising an on-board communication unit, the on-board wireless communication unit of the scanner and the on-board communication unit of the guidance system being configured to wirelessly transfer images created by the scanner directly to the guidance system....

Imaging system with rigidly mounted fiducial markers
10/17/13 - 20130272489 - a rigid mount which is rigidly mounted to the scanning components and extends through the opening formed in the outer cover....

Radio tomographic image generation method and device
10/17/13 - 20130272490 - A radio tomographic image generation device includes a reconstruction unit for generating a plurality of reconstructed images of different iteration numbers by a successive approximation process; a region segmentation unit for obtaining information about structure based on radiographic image signals, and segmenting, based on the information about structure, a region,...