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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



Radiation detector module, radiation detector and radiation imaging apparatus
05/28/15 - 20150146842 - A detector module for a radiation detector in a radiation imaging apparatus is provided. The detector module includes a detecting element array including a plurality of detecting elements arranged in a matrix form in first and second directions orthogonal to each other, the detecting element array configured to allow radiation...

Live 3d x-ray viewing
05/28/15 - 20150146843 - System for live 3D x-ray viewing comprising an x-ray source, an x-ray detector, a processing unit, a monitor and means for detecting viewer's eyes, wherein the x- ray source and the x-ray detector are arranged at a movable C-arm. The x-ray source comprises two focal spots, wherein a separation of...

Parametric control of object scanning
05/21/15 - 20150139381 - A method of measuring an object having associated geometric data and material data receives the geometric data and material data relating to the object, and controls an x-ray device to scan the object. The x-ray device operates in accordance with a plurality of operating parameters. The method then varies at...

Medical image processing apparatus, x-ray computerized tomography apparatus, and medical image processing method
05/14/15 - 20150131772 - A medical image processing apparatus according to the present invention includes a moving direction identification unit configured to identify a moving direction of an observed region of a subject depicted in a plurality of volume data collected by a medical diagnostic apparatus, each volume data of the plurality of volume...

Synchronized view data acquisition between stationary spectral detectors and rotating energy integrating detectors for spectral computer-aided tomography
04/30/15 - 20150117591 - A control circuit for a computer-aided tomography (CT) system includes an input that receives a master timing signal and an input that receives a first timing signal. The control circuit includes a mode detection circuit that determines the scan mode of the CT system based on the master timing signal...

Method and apparatus for increasing field of view in cone-beam computerized tomography acquisition
04/30/15 - 20150117592 - A method and apparatus for Cone-Beam Computerized Tomography, (CBCT) is configured to increase the maximum Field-Of-View (FOV) through a composite scanning protocol and includes acquisition and reconstruction of multiple volumes related to partially overlapping different anatomic areas, and the subsequent stitching of those volumes, thereby obtaining, as a final result,...

Computed tomography (ct) image reconstruction method
04/16/15 - 20150103968 - The present invention discloses a computed tomography (CT) image reconstruction method using two-dimensional images at different angles as well as a two-dimensional virtual matrix on a basis of spherical space, to process projection, comparison, and correction. Thus, it can obtain the tomography within predetermined difference value to reduce computational and...

Reconstruction of image data by means of contour data
04/16/15 - 20150103969 - A method is based on first projection data, recorded during a relative rotational movement between an x-ray source of a CT device and at least one examination object lying partly outside the field of view of the CT device. Contour data of the surface of the examination object is useable...

Multiple imaging modality imaging apparatus
04/02/15 - 20150092906 - An imaging apparatus includes a first imaging modality (1021), a second imaging modality (1022), wherein the first and second imaging modalities are in alignment with scanning zones for scanning an object or subject, and a third imaging modality (102N) which is selectively moveable between a first location (114) in which...

Method and apparatus for reducing artifacts in computed tomography (ct) image reconstruction
04/02/15 - 20150092907 - A method and apparatus for reducing artifacts in Computed Tomography (CT) image reconstruction. The method includes: acquiring an original reconstructed image; conducting total variation processing for the original reconstructed image, to generate a total variation reconstructed image; conducting initial metal artifact reduction processing for the original reconstructed image, to generate...

Control method of radiation tomographic imaging apparatus, radiation tomographic imaging apparatus and program
04/02/15 - 20150092908 - A control method of a radiation tomographic imaging apparatus having a gantry rotating section equipped with a radiation tube including a liquid bearing and a rotor configured to support an anode and configured to rotate is provided. The control method includes a control step that is configured to start a...

X-ray-generating medical apparatus and acquisition window therefor with a releasable attachment to the medical apparatus
04/02/15 - 20150092909 - An acquisition window for a medical apparatus (in particular for a computer tomography apparatus) has an element made of a suitable material and at least one attachment element for attachment to the medical apparatus....

High frequency power distribution unit for a ct system
03/26/15 - 20150085969 - A CT system includes an x-ray source, a high-voltage power supply (HVPS) coupled to the x-ray source, and a high-frequency power distribution unit (HFPDU) having an input bus that is coupleable to a three-phase source, and having an output bus. The HFPDU includes a three-phase rectifier coupled to the input...

Practical model based ct construction
03/19/15 - 20150078506 - A method for a practical model based computed tomography construction may include assuming that a filtered back projection reconstruction of a computed tomography image is available and acquiring a deviate of a multivariate random variable computed tomography data set. A filtered back projection reconstruction of the image may be estimated,...

Reducing artifacts in an image data set and x-ray device
03/19/15 - 20150078507 - Streak artifacts generated by at least one X-ray attenuating object arranged outside a reconstruction volume in a three-dimensional image data set showing the reconstruction volume are reduced. The reconstruction volume is reconstructed from two-dimensional projection images recorded from different projection directions. The object is localized in the projection images showing...

Computed tomography apparatus and method of controlling x-ray by using the same
03/19/15 - 20150078508 - A method of controlling an X-ray in a computed tomography (CT) apparatus includes: acquiring scout images of an object; setting an imaging region of the object in the acquired scout images; determining an outline of transverse axes lengths of the imaging region based on the transverse axes lengths of the...

X-ray apparatus and a ct device having the same
03/19/15 - 20150078509 - A two dimensional array distributed x-ray apparatus of this disclosure comprises: a vacuum box which is sealed at its periphery, and the interior thereof is high vacuum; a plurality of electron transmitting units arranged in one plane in a two dimensional array on the wall of the vacuum box; an...

Imaging, data acquisition, data transmission, and data distribution methods and systems for high data rate tomographic x-ray scanners
03/12/15 - 20150071399 - The present invention is an X-ray system having a source-detector module, which includes X-ray sources and detectors, for scanning an object being inspected, a scan engine coupled to the source-detector module for collecting scan data from the source detector module, an image reconstruction engine coupled to the scan engine for...

Interleaved resonant converter
03/05/15 - 20150063525 - A CT system includes an x-ray source, a high-voltage (HV) tank coupled to the x-ray source, and an inverter coupled to the HV tank. The inverter includes an H-bridge configuration of switches comprising a first leg and a second leg, wherein the first and second legs include respective upper and...

Medical image processing apparatus, x-ray diagnostic apparatus, and x-ray computed tomography apparatus
03/05/15 - 20150063526 - An X-ray image processing apparatus includes a storage unit, a transformed image generation unit, a scattered ray image generation unit, and a scattered ray reduced image generation unit. The storage unit stores a medical image. The transformed image generation unit generates a transformed image by transforming pixel values, of a...

Rotating unit of a medical imaging device with a hydrostatic slide bearing and an integrated coolant conduit
02/12/15 - 20150043706 - A rotating unit of a medical imaging device has a hydrostatic slide bearing and an integrated coolant conduit. The rotating unit includes at least one stator, at least one rotor that is borne such that it can rotate relative to the stator, and at least one portion of a circulation...

Common dc bus power ct system
02/05/15 - 20150036786 - A CT system includes a gantry having a rotatable base and having an opening for receiving an object to be scanned, and an AC-to-DC converter coupleable to a 3-phase AC facility power, and coupled through a DC bus to a gantry motor to rotationally drive the rotatable base using DC...

Collimator and inspecting system using the same
02/05/15 - 20150036787 - Disclosed are a collimator and an inspecting system using the same. According to an aspect of the present invention, there is provided a collimator for setting a radiation irradiation range, the collimator comprising: a shielding portion blocking the radiation; and a block portion comprising a plurality of unit pieces which...

Radiation image pick-up device and image processing method
02/05/15 - 20150036788 - Irrespective of the layout, moving path, and moving range of the X-ray source and the detector, a highly precise image is acquired, in a similar manner as an X-ray CT scanner that is capable of acquiring a measured image using a rotation angle of 180 degrees or more. A measured...

Reconstruction with partially known attenuation information in time of flight positron emission tomography
02/05/15 - 20150036789 - Reconstruction in positron emission tomography is performed with partially known attenuation. A PET-CT scanner is used to generate a PET image with time of flight emission information. To limit x-ray dose while providing increased sensitivity at the ends of the CT volume in the PET image, attenuation coefficients for oblique...

Method and apparatus to generate a panoramic radiography
02/05/15 - 20150036790 - A method for obtaining a panoramic image similar to a panoramic radiography obtained from a patient through X-ray emission by processing an acquired 3D digital volume in voxel, each voxel having values of X-ray absorption is characterized by selecting a curved surface in 3D volume and identifying a plurality of...

Rotating unit with a device for wireless data transmission between two parts movable relative to one another, and method for wireless data transmission between two parts movable relative to one another
02/05/15 - 20150036791 - In a method and a device for wireless data transmission between two parts of a medical imaging device that are moving relative to one another, at least: a first communication device has at least one transmission unit to transmit at least one radio-frequency signal, a second communication device has at...

Computed tomography apparatus, and method of generating image by using computed tomography apparatus
02/05/15 - 20150036792 - A computed tomography apparatus includes an X-ray irradiation unit irradiating an X-ray to an object while rotating along a predetermined rotation path, a detector acquiring projection data by detecting an X-ray transmitted through the object, a filter unit located between the X-ray irradiation unit and the object and comprising a...

Ct pilot image acquisition method and ct device
01/22/15 - 20150023464 - A CT pilot image acquisition method and a CT device are provided. The method may include: performing a helical scan on a predetermined area to be scanned, so as to obtain scanning data; reconstructing a tomographic image based on the scanning data; performing, at a predetermined positioning angle, a parallel...

Ct image generation device and method and ct image generation system
01/08/15 - 20150010125 - A CT image generation device for analyzing projection information acquired by scanning a scan subject with X-rays over a scan plane, and generating an image of the scan subject; wherein the CT image generation device comprises: a versatile processing unit for establishing a plurality of coordinate systems on the scan...

Extremity imaging apparatus for cone beam computed tomography
12/25/14 - - 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...

Method for 3d mineral mapping of a rock sample
12/25/14 - 20140376685 - The method for 3D mineral mapping of a rock sample comprises the steps of defining a total mineral content of a sample and calculating X-ray attenuation coefficients for the defined minerals. X-ray micro/nanoCT scanning of the sample is performed and its three-dimensional microstructure image in gray scale is obtained. Characteristic...

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...