Entries |
Document | Title | Date |
20080205588 | System Including Computed Tomography Device For Image Guided Treatment - A computed tomography (CT) system ( | 08-28-2008 |
20080205589 | Clinical workflow for visualization and management of catheter intervention - A method of diagnosis or treatment of a patient in a catheterization laboratory is described, the method including the soliciting of advice from an expert located remotely from the catheterization laboratory. The expert is contacted and requested to log on to a client computer in communications with a computer in the catheterization laboratory, so that image and other data related to the patient may be displayed at the remote location. The access rights to the data may be established and limited by the catheterization laboratory or a hospital data management system. The expert may view and may manipulate the data provided, control a catheter, or may request additional data or adjust the angiographic imaging device, and may offer an opinion on the diagnosis or treatment as requested by personnel of the catheterization laboratory. | 08-28-2008 |
20080260095 | METHOD AND APPARATUS TO REPEATABLY ALIGN A CT SCANNER - A CT scanner includes a gantry including a first arm and a second arm. The first arm houses an x-ray source that generate x-rays, and the second arm houses a complementary flat-panel detector. During a pre-operative CT scan, the CT scanner is positioned at a scanning position near the patient. An alignment feature ensures that the CT scanner is repeatably positionable in the scanning position. After the pre-operative scan is complete, the CT scanner is moved to a remote position. If an updated CT scan is needed during the surgical procedure, the CT scanner is moved from the remote position to the scanning position. The alignment feature ensures that the CT scanner is properly positioned in the scanning position. | 10-23-2008 |
20080285710 | Processes and a device for determining the actual position of a structure of an object to be examined - The invention relates to processes and to a device for determining the actual position of a structure of an object to be examined in a coordinate system. A CT scanner is employed which uses CT technology, having a first coordinate system, the CT coordinate system, related to said CT scanner, and a coordinate measuring instrument (MI) is employed which is either a tactile or an optical coordinate measuring instrument or a multisensor coordinate measuring instrument or an ultrasonic coordinate measuring instrument, having a second coordinate system, the MI coordinate system, related to said coordinate measuring instrument, whereby according to a variant,
| 11-20-2008 |
20080292048 | Method, tomography system and image processing system for displaying tomographic records of a patient - A method and a tomographic system are disclosed for displaying tomographic records of a patient. In at least one embodiment, the method includes scanning the patient with the aid of a tomographic system having one system axis, determining at least one topogram, calculating three-dimensional image data records including a multiplicity of slice images on a plane or volume data records, and outputting at least one slice image of the patient. In at least one embodiment, the orientation of individual body zones relative to the system axis of the tomographic system is automatically determined from the at least one topogram, and slice images of the body zones are calculated from the three-dimensional image data records, the slice planes of which are at a defined solid angle to the previously determined orientation of the scanned body zones. | 11-27-2008 |
20080310586 | APPARATUS AND METHOD FOR PROVIDING A SHIELDING MEANS FOR AN X-RAY DETECTION SYSTEM - An apparatus and method for providing an x-ray shield means in an x-ray detection system. An x-ray inhibiting container for use in a computed tomography system is provided, the container comprising: a peripheral wall; and a bottom, wherein the peripheral wall and bottom define a receiving area, and a forward portion and a rearward portion of the peripheral wall comprise an x-ray inhibiting material. The system comprising: a computed tomography scanner, configured to produce x-ray projection data as an object is passed through the computed tomography scanner, the computed tomography scanner comprising: a gantry having an opening; and an x-ray source configured to project a fan beam of x-rays towards a detector array disposed on an opposite side of the gantry opening, the x-ray source and detector array being mounted to the gantry about the opening; a structure defining an internal volume being configured to receive at least the gantry of the computed tomography scanner therein, the structure having an input opening and an outlet opening, the structure comprising an x-ray shielding material; and a motorized conveyor for passing a plurality of tubs through the input opening to the outlet opening, wherein each of the tubs comprises a peripheral wall and a bottom to define a tub volume and a forward portion and a rearward portion of the peripheral wall is configured to substantially cover the input opening or the outlet opening as the plurality of tubs are passed through the structure, wherein the forward portion and the rearward portion each comprise an x-ray shielding material. | 12-18-2008 |
20090074136 | X-RAY CT SYSTEM AND X-RAY CT METHOD - There are provided an X-ray CT system and an X-ray CT method in which a subject can be brought as close as possible to an X-ray source at all times while preventing interference of the subject with the X-ray source at the time of rotation, without confirmation by an operator by rotating a rotary stage before CT projection. | 03-19-2009 |
20090080602 | Dedicated breast radiation imaging/therapy system - System, apparatus and methods specialized for breast and related tissue radiation therapy and imaging of a prone patient but also usable for supine patient if desired or needed. A special treatment radiation source such as a LINAC unit generates radiation of types and energy ranges specifically matched to breast tissue. Any one or more of several imaging technologies may be used to localize the tissue to be irradiated and to generate information for therapy planning, adjustment, and verification. | 03-26-2009 |
20090086888 | X-RAY CT APPARATUS AND IMAGE RECONSTRUCTION METHOD - An X-ray CT apparatus is provided for reducing the amount of computation at image reconstruction thereby to shorten an image reconstruction time. The X-ray CT apparatus comprises a cradle which moves in a horizontal direction to convey a subject to a photography space, an X-ray detector comprising a plurality of detecting clement rows, for obtaining projection data by a helical scan when the cradle is moved under acceleration/deceleration and at a constant velocity, and backprojection processing device for performing a backprojection process on the projection data. When image reconstruction is carried out using the projection data acquired when the cradle is moved under acceleration/deceleration, the backprojection processing device assumes a virtual image reconstruction plane P′ where the cradle is assumed to be moved at the constant velocity, with respect to an image reconstruction plane P of each view and backprojects projection data onto the virtual image reconstruction plane P′. | 04-02-2009 |
20090110142 | OBJECT ROTATION FOR CT DATA ACQUISITION - A computed tomography (CT) scanning system including a source operable to emit a cone beam of radiation toward an object, a detector operable to detect radiation emitted by the source and to produce detector values related to projections of an object attenuation, a turntable operable to rotate the object about a rotational axis, and a source mover operable to move the source so as to vary an angle between the cone beam and the rotational axis. | 04-30-2009 |
20090110143 | INSPECTION SYSTEM, INSPECTION METHOD, CT APPARATUS AND DETECTION DEVICE - An inspection system is disclosed. The system comprises a CT apparatus. The CT apparatus includes a gantry, a radiation source connected with the gantry, a detection device connected with the gantry substantially opposite the radiation source, and a transfer device for transferring an object under inspection. The detection device comprises N rows of detectors arranged at predetermined intervals, where N is an integer greater than 1. With the inspection system according to the present invention, the CT apparatus can perform scanning imaging at a high rate to enable the CT apparatus and an scanning imaging device for obtaining a two-dimensional image of an object under inspection to simultaneously operate, thereby compensating each other's insufficiency. | 04-30-2009 |
20090161821 | Method for detemining a defined position of a patient couch in a C-ARM computed tomography system, and C-arm computed tomography system - In order to facilitate the optimal positioning of a patient resting on the couch of a C-arm computed tomography system, an input is received, via individual pixels or areas of pixels are selected in a predetermined image data set, thus enabling the area of interest to be highlighted. In addition, image data of the patient resting on the patient positioning couch is accordingly acquired. These two processes together make it possible to calculate the position, relative to the couch, of a marked-out point that is to coincide with the isocenter for the rotation of the C-arm, and from this at least one coordinate that serves to define the position of the couch can be derived. If this coordinate is displayed, a doctor performing the treatment can move the patient positioning couch to the appropriate position by hand. It is also possible to design the couch such that it is movable by means of electric motors, and to move the patient positioning couch automatically after determining the coordinate | 06-25-2009 |
20090161822 | X-RAY CT APPARATUS AND IMAGE RECONSTRUCTING DEVICE - An X-ray CT apparatus includes image reconstructing device which specifies a first imaging range, a second imaging range and a third imaging range located between the first imaging range and the second imaging range in association with each position on a body axis of a subject, image-reconstructs a tomographic image included in the first imaging range using a first projection data amount necessary for image reconstruction of the tomographic image, image-reconstructs a tomographic image included in the second imaging range using a second projection data amount less than the first projection data amount, and image-reconstructs a tomographic image included in the third imaging range using a third projection data amount less than the first projection data amount and greater than the second projection data amount. | 06-25-2009 |
20090175407 | Computer tomography method for determining an object region - In a computer tomography method an object region of the object being examined is determined in that projection beams that are linked with maximum attenuation are sought in cropped projection images. A central point of the object region is then determined and the object sections associated with the projection beams plotted on the central point. The object region can be at least approximately determined using the end points of the object sections. | 07-09-2009 |
20090180586 | UROLOGICAL X-RAY WORKSTATION WITH ORBITING X-RAY IMAGING COMPONENTS - A urological x-ray workstation has an x-ray source and an x-ray receiver that are respectively supported on device retainers of a device carrier located at the longitudinal side of a patient positioning table such that they can be positioned opposite one another and independently of one another in various positions on an orbit proceeding around a common center in a working plane oriented perpendicular to the longitudinal axis. | 07-16-2009 |
20090232273 | RADIATION CT APPARATUS - An imaging section includes a radiation source that emits radiation, a detecting panel for detecting the radiation, and a rotating section for integrally rotating the radiation source and the detecting panel about a rotating axis. The radiation source and the detecting panel face each other with the rotating axis that passes though a predetermined position interposed therebetween. The imaging section sequentially images a subject placed at the predetermined position while rotating the radiation source and the detecting panel about the rotating axis, and image signals are read out for each imaging operation. A control section refers to a necessary readout region set by a setting section and controls a readout switching means such that image signals recorded in detection pixels within the necessary readout region are read out by a normal readout section, and image signals recorded in other detection pixels are read out by a high speed readout section. | 09-17-2009 |
20090285355 | METHOD AND APPARATUS FOR POSITIONING A SUBJECT IN A CT SCANNER - An apparatus and method for optimally positioning a region of interest of a subject for imaging by a CT scanner. The scanner provides a source of one or more X-ray beams, at least one of which is used for acquiring a CT image of the subject, a movable support for the subject, and a controller that controls the X-ray source. To position the region of interest of the subject, the controller operates to illuminate the subject with X-rays to acquire stereo image data for the region of interest and controls the position of the support responsive to the stereo image data. | 11-19-2009 |
20090285356 | SYSTEM AND METHOD FOR PATIENT POSITIONING IN CONE-BEAM TOMOGRAPHY - A device for positioning a patient within an image volume of a cone-beam tomography system. The device includes a volume indicator adapted to indicate at least a front boundary of the image volume and having a horizontal indicator for horizontal alignment. The device also includes a head clamp adapted to position at least a portion of the head of the patient within the front boundary of the image volume indicated by the volume indicator. | 11-19-2009 |
20090285357 | Automatic Patient Positioning System - A patient positioning system for positioning a patient relative to radiographic equipment. The system includes: a 3D optical imaging system for optically scanning the patient, such 3D optical imaging system having a focal plane and providing, for each position on the object, data representative of the intensity of reflected energy received by the system from such position and data representative of distance from such position on the object to the focal plane; a table apparatus for supporting the patient and for moving the table relative to the radiographic equipment in response to positioning signals; and a processor responsive to data from the radiographic equipment and the data from the a 3D optical imaging system for producing the positioning signals. The system enables a method for displaying temporal changes in a patient positioned with a bore of radiographic equipment. | 11-19-2009 |
20090310740 | COMPUTED TOMOGRAPHY METHOD AND SYSTEM - A method of computed tomography is disclosed herein. The method includes acquiring a first plurality of views during a first helical pass and acquiring a second plurality of views during a second helical pass. The method also includes generating an image based on both the first plurality of views and the second plurality of views. | 12-17-2009 |
20090323891 | Method And Apparatus For Simplified Patient Positioning In Dental Tomographic X-Ray Imaging - An apparatus and a method is proposed which allow for a simplified patient positioning based on the selection of a region of interest for the tomographic image of the dentition of a patient. The region of interest is selected on a previously acquired panoramic image of the dentition of the patient. | 12-31-2009 |
20100034348 | METHOD AND SYSTEM FOR TRANSLATIONAL DIGITAL TOMOSYNTHESIS MAMMOGRAPHY - A method of imaging a breast comprising (i) having a patient lie prone on a computer-controlled couch, which comprises a channel or left and right openings, and position the left or right breast of the patient in the channel or the left or right opening, respectively, and (ii) repeatedly imaging the breast using a scanning x-ray source while moving the couch down and up, such that the breast moves down and up in the field between the source of radiation and the detector, which method can further comprise constructing a three-dimensional image of the breast in its natural shape and analyzing the three-dimensional image of the breast; and a system for use in such a method. | 02-11-2010 |
20100074398 | Motion control method and motion control module, image processing actuation method and image processing actuation module - A motion control method is disclosed for controlling a relative scan feed motion of an object bearing device toward a scanner unit of a computed tomography system. Here, scan motion control signals are generated parallel to the scan feed motion for controlling the scan feed motion, which scan motion control signals are derived from variable input data obtained in parallel during a scan procedure. In at least one embodiment, the variable input data includes motion signals which represent the object motion cycle determined with the aid of an electrocardiogram, and the speed of the scan feed motion is reduced if an extrasystole is detected. Furthermore, at least one embodiment of the invention relates to a motion control module suited to this and/or an image processing actuation method and/or an image processing actuation module for actuating an image processing system. | 03-25-2010 |
20100172468 | MOBILE MEDICAL IMAGING SYSTEM AND METHODS - A mobile medical imaging device that allows for multiple support structures, such as a tabletop or a seat, to be attached, and in which the imaging gantry is indexed to the patient by translating up and down the patient axis. In one embodiment, the imaging gantry can translate, rotate and/or tilt with respect to a support base, enabling imaging in multiple orientations, and can also rotate in-line with the support base to facilitate easy transport and/or storage of the device. The imaging device can be used in, for example, x-ray computed tomography (CT) and/or magnetic resonance imaging (MRI) applications. | 07-08-2010 |
20100172469 | Method to estimate position, motion and trajectory of a target with a single x-ray imager - The present invention provides a method for estimation of retrospective and real-time 3D target position by a single imager. The invention includes imaging a target on at least one 2D plane to determine 2D position and/or position components of the target, and resolving a position and/or position component along at least one imager axis of the target using a spatial probability density. The present invention provides a probability-based method for accurate estimation of the mean position, motion magnitude, motion correlation, and trajectory of a tumor from CBCT projections. The applicability of the method for tumors with periodic respiratory motion and for prostate are provided. Clinical feasibility is demonstrated for a pancreas tumor. The method includes monoscopic tracking of the 3D prostate position utilizing the spatial probability density to estimate the unresolved motion from the resolved motion. The method is applicable to prostate tracking even with a population-based probability density. | 07-08-2010 |
20100177866 | Mammography Equipment - [PROBLEMS] To eliminate the pain of an examinee. A very high diagnosing accuracy is realized with a minimum exposure dose. [MEANS FOR SOLVING PROBLEMS] A breast inspection system comprising a CT device ( | 07-15-2010 |
20100177867 | GANTRY X-RAY TRANSMISSIVE ELEMENT - A computed tomography system ( | 07-15-2010 |
20100215143 | METHOD AND SYSTEMS FOR SCANNING A STREAM OF OBJECTS - A method for scanning a stream of objects includes continuously acquiring raw data of the stream of objects using an X-ray system including a detector, determining a leading edge and a trailing edge of a first object of the stream of objects from the raw data acquired by the detector using a control system, processing acquired raw data of the first object based on the determined leading edge and the determined trailing edge using the control system, and reconstructing an image of the first object using at least the processed raw data. A system configured to perform the method is also disclosed. | 08-26-2010 |
20100215144 | METHOD AND SYSTEM FOR PERFORMING A SCAN OF AN OBJECT - A method for generating an image of an object using a scanning system includes performing a first portion of a scan in a first scanning mode to acquire a first dataset, receiving a halt command for a conveyor within the scanning system, decelerating the conveyor to a halt based on the halt command using a conveyor controller, and, when the object is present within an examination region after the conveyor has halted, performing a second portion of the scan in a second scanning mode to acquire a second dataset. The second scanning mode is different than the first scanning mode. The method also includes reconstructing the first dataset using a first reconstruction algorithm and reconstructing the second dataset using a second reconstruction algorithm. The second reconstruction algorithm is different than the first reconstruction algorithm. The image is generated using the first reconstructed dataset and the second reconstructed dataset. | 08-26-2010 |
20100272229 | PATIENT BED, LOCAL COIL ARRANGEMENT AND METHOD TO DETERMINE THE POSITION OF LOCAL COILS IN A MAGNETIC RESONANCE APPARATUS - At least one non-stationary coil in a magnetic resonance tomography system is attached with a fastener to a displaceable bed. The fastener has a position detector incorporated therein to determine the position or a component of the position of the non-stationary coil. The portion of the position is, for example, the position along the axis of symmetry of the measurement tube. | 10-28-2010 |
20100278300 | EXTREMITY IMAGING APPARATUS FOR CONE BEAM COMPUTED TOMOGRAPHY - An apparatus for cone beam computed tomography of an extremity has a digital radiation detector and a first device to move the detector along a circular detector path extending so that the detector moves both at least partially around a first extremity of the patient and between the first extremity and a second, adjacent extremity. The detector path has radius R | 11-04-2010 |
20100322377 | Medical X-ray CT imaging apparatus - Provided is a medical X-ray CT imaging apparatus including: a base ( | 12-23-2010 |
20110007867 | RADIATION THERAPY SYSTEM - A radiation therapy system including a radiation therapy apparatus for generating a therapeutic treatment beam, with which an object is irradiated, an imaging apparatus for generating a medical image of the object, and a positioning apparatus, with which the object is positioned in the radiation therapy system for irradiation and imaging purposes, is provided. The imaging apparatus and the radiation therapy apparatus are both rotatably mounted so that the object is positioned in a first rotation state in the imaging apparatus and is positioned in the radiation therapy apparatus in a second rotation state. | 01-13-2011 |
20110019796 | METHOD AND SYSTEM FOR THE AUTOMATED TESTING AND/OR MEASURING OF A PLURALITY OF SUBSTANTIALLY IDENTICAL COMPONENTS USING X-RAY RADIATION - A method and system for automated testing and/or measurement of a plurality of substantially identical components by means of X-ray radiation comprises a testing/measuring device with an X-ray device, a protection cabin surrounding the testing/measuring device, a conveying device for continuously conveying components to or away from the testing/measuring device, and a control/evaluation unit, which is set up for automated control of the system and for evaluation of the X-ray signals. The testing/measuring device comprises a support and a rotor mounted on the support so as to be continuously rotatable, the X-ray device being arranged on the rotor and the conveying device being set up for serial conveying of the components through the rotor and the control/evaluation unit for computer tomographic evaluation of the X-ray signals. | 01-27-2011 |
20110075798 | Method for correcting truncated projection data - A method for correcting truncated projection data of a rotation for a reconstruction technique for computed tomography scans with truncated projection data in the computed tomography images produced by a C-arm is proposed. At least one truncated projection is recorded. The truncated portions prior to acquisition of the rotation for the at least one truncated projection is captured. The truncated projection and the truncated portions are assembled into at least one complete projection. Truncated projection data is acquired during the rotation. The truncated data is estimated based on a model of the patient geometry from the at least one complete projection. A reconstruction technique is performed on the basis of the acquired and the estimated data. | 03-31-2011 |
20110103546 | X-RAY COMPUTER TOMOGRAPH AND METHOD FOR INVESTIGATING A COMPONENT BY MEANS OF X-RAY COMPUTER TOMOGRAPHY - In an X-ray computer tomograph and a method for examining a component by means of X-ray computer tomography, the component carries out a movement relative to a radiation source detector unit in at least two degrees of freedom of movement, so at least one trajectory can be produced which spans a three-dimensional space. Since the X-radiation has a three-dimensional radiation geometry, volume data can be rapidly obtained and precisely reconstructed to form a three-dimensional X-ray image. The component can be geometrically measured by means of a geometry detection unit. | 05-05-2011 |
20110142196 | X-RAY CT APPARATUS AND CONTROL METHOD OF X-RAY CT APPARATUS - An X-ray CT apparatus has a plurality of projectors, a reception unit, a setting unit, a supporter, and a scan execution unit. The projectors each have a light source on a circumference having a same radius as a rotation radius of an X-ray focal point of an X-ray irradiator and each irradiate laser light having an irradiation range simulating an irradiation range of the X-ray. The reception unit receives an instruction for three-dimensionally sliding the projectors as one body. The setting unit sets a position of the projectors. The supporter supports a table and three-dimensionally slides the table by a difference between a position of a center of the circumference of the set projectors and a position of a rotation center of the X-ray focal point of the X-ray irradiator. The scan execution unit executes a scan with the table after the sliding as a scan position. | 06-16-2011 |
20110150177 | CT SCANNING SYSTEM - The present invention provides a CT scanning system having a patient table and a gantry comprising an x-ray source configured to irradiate an x-ray beam while at least partly rotating about an object being arranged on the patient table in order to be scanned. The gantry further comprises an x-ray detector configured to receive x-rays penetrating through the object to be scanned and further configured to provide output signals representative of the received x-rays. The CT scanning system further comprises an x-ray cabinet comprising x-ray shielding material. It is preferred that the x-ray cabinet is fully surrounding the gantry. The x-ray cabinet may at least partly surround the patient table. However, it is preferred that the x-ray cabinet is fully surrounding the patient table. Thus, the patient table may be configured to be fully inserted in the x-ray cabinet, whereby the x-ray cabinet is fully surrounding the patient table. The x-ray cabinet may have an end part with a patient opening allowing the introduction of a patient into the x-ray cabinet through said opening, and the CT scanning system may further comprise a closure part or door for providing an x-ray shielding closure of the patient opening at the first end part. The x-ray cabinet may be formed by at least two parts. | 06-23-2011 |
20110188627 | CT SCANNING TABLETOP AND X-RAY CT APPARATUS - According to one embodiment, a CT scanning tabletop includes a tabletop body and an aid. The tabletop body has a placement surface where a subject is to be placed, and is formed in a manner that an X-ray transmission loss by one end portion in a longitudinal direction thereof is smaller than an X-ray transmission loss by a portion of the tabletop body other than the one end portion. The aid is provided on the one end portion in a manner that the aid is attachable and detachable by moving in advancing and retreating directions toward and away from the placement surface, the aid is configured to hold a part of the subject. | 08-04-2011 |
20110222650 | LAMINOGRAPHY SYSTEM - A laminography system includes a first linear guide defining a z-direction of a Cartesian coordinate system and an imaging radiation source fixable to the first linear guide and movable along the first linear guide. The radiation source is configured to form a cone of rays including a central ray defining a y-axis of the Cartesian coordinate system. A detector is disposed in a position so as to be struck at a center thereof by the central ray of the radiation source substantially in an x-direction of the Cartesian coordinate system. The system also includes a first rotation device configured to rotate the detector about a first axis of rotation that is parallel to a z-axis of the Cartesian coordinate system and that passes through an intersection of the central array and the detector. The detector is fixable to a second linear guide and is movable on the second linear guide along the first axis of rotation. An object slide is disposed between the radiation source and the detector. The object slide is configured to receive an object for inspection and is rotatable by a second rotation device about a second axis of rotation that is parallel to the first axis of rotation and that passes through an intersection of the central ray and the object for inspection. | 09-15-2011 |
20110222651 | PHASE SHIFT INVERTER, X-RAY HIGH-VOLTAGE DEVICE USING SAME, X-RAY CT DEVICE, AND X-RAY IMAGING DEVICE - There is provided an inverter circuit which allows a single drive circuit to carry out both the tracking control for tracking resonance frequency fluctuations caused by load fluctuations, and the power control, thereby reducing switching loss. An inverter drive circuit part obtains a phase difference between output current and output voltage directed to a load circuit which is connected to a midpoint of two arm circuits of the inverter circuit, and controls a phase of the driving signal directed to each of the semiconductor switches in such a manner that the phase difference becomes zero or a predetermined value. This allows an operating frequency of the inverter circuit part to track a resonance frequency of the load circuit. In addition, this enables a current phase to be delayed with respect to a voltage phase, thereby achieving ZCS. Since the phase difference between the output current and the output voltage is used, it is not necessary to use an auxiliary circuit to measure a current value in proximity to the semiconductor switches, thereby achieving a simple configuration. | 09-15-2011 |
20110228901 | EXTREMITY IMAGING APPARATUS FOR CONE BEAM COMPUTED TOMOGRAPHY - An apparatus for cone beam computed tomography of lower leg portions of a patient has a radiation source and a source transport actuable to move the source along an arcuate source path within a housing, from one side of a circumferential gap to the other and has a radius R2 about a center. A housing is provided for placement of the patient's foot. A digital radiation detector has a detector transport actuable to move the detector along an arcuate detector path within the housing, the detector path having a radius R1 about the center and concentric with the source path, wherein R1 is less than R2, and wherein the detector path extends from one side of the pedestal indent to the other. A gap closure apparatus is movable to a position that continues the detector path across the circumferential gap and encloses the detector path. | 09-22-2011 |
20110317807 | METHODS, SYSTEMS, AND APPARATUSES FOR INCREASING EFFICIENCY IN COMPUTED TOMOGRAPHY DETECTION - Methods, computer-readable mediums, and systems are provided. In one embodiment, a method detects at least one faulty X-ray detector signal and adjusts a conveyor speed and/or a gantry speed in accordance with the detection to increase information for image reconstruction. In another embodiment, a method detects a high volume time. Upon detection of the high volume time conveyor speed and gantry speed is increased during the high volume time. After expiration of the high volume time, the conveyor speed and gantry speed is reduced. In yet other embodiments, the computer-readable mediums and systems are also provided which perform similar features recited by the above methods. | 12-29-2011 |
20120027167 | METHOD AND APPARATUS FOR VETERINARY CT SCANS - A substantially X-ray transparent animal restraint enclosure having an open base structure and a lid which is configured to substantially close the base structure. The lid is movable from a closed position to an open position to permit the introduction of an animal into the base structure. The base structure has an open-ended slot which is partially obstructed when the lid is closed. The base structure also has an aperture which is not obstructed by the lid. A veterinary CT scan apparatus includes a CT scan gantry or sensor ring, a CT scan table, and a substantially X-ray transparent animal restraint enclosure. A method of performing a CT scan on an animal in a CT scan apparatus having a patient target position is achieved by placing the animal in substantially X-ray transparent enclosure; placing the enclosure in the patient target position for the CT scan; and conducting the CT scan. | 02-02-2012 |
20120057671 | DATA ACQUISITION AND VISUALIZATION MODE FOR LOW DOSE INTERVENTION GUIDANCE IN COMPUTED TOMOGRAPHY - A system and method for monitoring a guided intervention device includes determining ( | 03-08-2012 |
20120114095 | Upright x-ray breast imaging with a CT mode, multiple tomosynthesis modes, and a mammography mode - A multi-mode system and method for imaging a patient's breast with x-rays in one or more of a CT mode, a narrow-angle tomosynthesis mode, a wide angle tomosynthesis mode, and a mammography mode, using essentially the same equipment, on one or more compressions or immobilizations of the breast. | 05-10-2012 |
20120140876 | PORTABLE INDUSTRIAL LIMITED ANGLE GAMMA-RAY TOMOGRAPHY SCANNING SYSTEM - Provided is a diagnostic method and system capable of applying tomography to industrial long cylindrical process systems, such as a pipe line, which are difficult to diagnose using existing medical or industrial computed tomography (CT) scanners. Existing industrial X-ray CT scanners cannot be used for such a pipe that is attached to the process system and thus cannot be placed on the turntable, and existing image diagnostic apparatuses of a fan beam type, a collimated beam type, etc. having a stereotyped structure are next to impossible to move and use for undetachable process systems and their peripheral devices. To solve these problems, there is provided a gamma-ray tomography scanning system that is capable of being directly attached to a pipe in operation and measuring a cross section of the pipe. | 06-07-2012 |
20120170710 | PATIENT SUPPORT SYSTEM AND SUPPORT SURFACE THEREFOR AND METHOD OF INSTALLATION THEREOF - A patient support surface, patient support system in combination with a CT scanner, and method of installing a patient support system for a surgical procedure is provided. The patient support surface includes a radiolucent elongate first member having laterally spaced first side members extending between opposite ends with a plurality of cross members extending between the first side members. The support surface further includes an elongate second member having laterally spaced second side members extending between opposite ends with a plurality of cross members extending between the second side members. One of the opposite ends of the first member is configured for attachment to one of the ends of the second member. The other of the opposite ends of the first member is configured for attachment to a first support, and the other of the opposite ends of the second member is configured for attachment to a second support. | 07-05-2012 |
20120275562 | X-RAY TUBE WITH A COMBINED X- AND Y- FOCAL SPOT DEFLECTION METHOD - An X-ray tube is provided adapted to generate X-ray beams, comprising a first and a second deflection device mounted external or internal to the X-ray tube between a cathode and an anode in a diagonal manner for focal spot deflection in a combined x- and y-direction. The first and second deflection devices are triggered alternately such that only one deflection device is activated at a time. The first and second deflection devices may be triggered according to a predetermined switching sequence, e.g. producing a predetermined deflection pattern of the focal spot. Thereby, an improved x- and z-flying focal spot methodology is provided. | 11-01-2012 |
20130003919 | CT Scan Device and Auxiliary Module Thereof - A CT scan device including a CT scanner and an auxiliary table is proposed. The CT scanner has a scanning area and a scanning table, with the scanning table able to shift straight and pass through the scanning area. The auxiliary table is arranged on a side of the CT scanner opposite to another side where the scanning table is disposed, with the auxiliary table having an extension portion and a body, wherein a connection end of the extension portion connects with the body, an abutting end of the extension portion abutting against the scanning table, the extension portion has an inclined surface raised from the connection end to the abutting end, and the scanning table is able to push the auxiliary table moving relatively to the scanning area. | 01-03-2013 |
20130044857 | PATIENT STOOL FOR AN X-RAY IMAGING APPARATUS - The invention relates to a medical x-ray imaging apparatus including a support structure ( | 02-21-2013 |
20130077741 | EXTREMITY IMAGING APPARATUS FOR CONE BEAM COMPUTED TOMOGRAPHY - An apparatus for cone beam computed tomography of an extremity has a digital radiation detector and a first device to move the detector along a circular detector path extending so that the detector moves both at least partially around a first extremity of the patient and between the first extremity and a second, adjacent extremity. The detector path has radius R | 03-28-2013 |
20130136228 | MEDICAL IMAGING APPARATUS - A medical imaging apparatus provided with a position recognition member, capable of achieving a precise position recognition without an additional calibration process and preventing the position recognition errors on account of a long term use of components includes an X-ray generating portion configured to generate X-rays and transmit the X-rays, an X-ray detecting portion configured to detect the X-rays transmitted from the X-ray generating portion, a moving portion provided on at least one of the X-ray generating portion and the X-ray detecting portion to move the at least one of the X-ray generating portion and the X-ray detecting portion, and a position recognition member comprising a bar code portion configured to recognize a position of the at least one of the X-ray generating portion and the X-ray detecting portion, which move along the moving portion, and a bar code reader portion to recognize the bar code portion. | 05-30-2013 |
20130148778 | SCAN START AND/OR END POSITION IDENTIFIER - A subject support ( | 06-13-2013 |
20130156152 | METHOD AND SYSTEM FOR MAINTAINING ISO CENTER CONSTANT IN AN ISO CENTRIC X-RAY IMAGING SYSTEM - A method of maintaining a constant iso-center point, while dynamically changing an area of interest during an imaging procedure is provided. The method comprises: allowing a user to move from an initial area of interest to new area of interest by allowing permissible axes motions; dynamically calculating the iso-center point while moving from the initial area of interest to the new area of interest as a function of relative distance between the initial area of interest and the new area of interest and as a function of parameters indicating relative motion of permissible axes; identifying the new area of interest by using at least one permissible axis motion; and calculating the iso-center point at the new area of interest after locking all the permissible axes motions except table tilt axis movement. | 06-20-2013 |
20130230134 | APPARATUS FOR REDUCING PHOTODIODE THERMAL GAIN COEFFICIENT - An apparatus for reducing photodiode thermal gain coefficient includes a bulk semiconductor material having a light-illumination side. The bulk semiconductor material includes a minority charge carrier diffusion length property configured to substantially match a predetermined hole diffusion length value and a thickness configured to substantially match a predetermined photodiode layer thickness. The apparatus also includes a dead layer coupled to the light-illumination side of the bulk semiconductor material, the dead layer having a thickness configured to substantially match a predetermined thickness value and wherein an absolute value of a thermal coefficient of gain due to the minority carrier diffusion length property of the bulk semiconductor material is configured to substantially match an absolute value of a thermal coefficient of gain due to the thickness of the dead layer. | 09-05-2013 |
20130251100 | X-RAY COMPOSITE APPARATUS - There is provided an X-ray composite apparatus capable of performing, with one unit, X-ray CT and element analysis by fluorescent X-rays. The X-ray composite apparatus | 09-26-2013 |
20130251101 | X-RAY CT APPARATUS AND METHOD FOR CONTROLLING THE SAME - An X-ray CT apparatus according to an embodiment includes: a table on which an examinee lies down; an X-ray irradiator including an X-ray tube emitting X-rays to the examinee on the table and a diaphragm blocking the X-rays and capable of opening/closing; an X-ray detector detecting X-rays transmitted through the examinee on the table after being emitted by the X-ray irradiator and passing through the diaphragm; a rotating gantry supporting the X-ray irradiator and detector; a rotation drive unit rotating the rotating gantry about a body axis of the examinee on the table; a movement drive unit moving the table in a direction of the body axis of the examinee on the table; a positional information acquirer acquiring positional information on the moving table; and a controller controlling opening and closing operations of the diaphragm of the X-ray irradiator based on the positional information on the table. | 09-26-2013 |
20130251102 | IMAGE DIAGNOSIS APPARATUS AND METHOD - According to the present embodiment, an image diagnosis apparatus includes a first image taking device that takes an image of a patient placed on a couchtop by using an X-ray emission; a second image taking device that takes images in positions by moving an image taking position of the patient by a predetermined distance at a time, along the body-axis direction; a position estimating unit; and a correction processing unit. The position estimating unit estimates a couchtop position for each of the image taking positions of the second image taking device, based on information about warping of the couchtop of the first image taking device. The correction processing unit uses information about the couchtop positions estimated by the position estimating unit, for performing a position correcting process on the images obtained by the image taking devices. | 09-26-2013 |
20130266116 | ROTATABLE DRUM ASSEMBLY FOR RADIOLOGY IMAGING MODALITIES - Among other things, a rotatable drum for a radiology imaging modality is provided herein. The rotatable drum comprises a bore, defined by an inner circumference of a sidewall of the rotatable drum. In one embodiment, the sidewall comprises one or more apertures through which radiation may pass. By way of example, a radiation source and a detector array may be mounted outside of the bore (e.g., on an outside surface of the sidewall) and apertures in the sidewall may permit radiation to pass from the radiation source to the detector array without being attenuated by the sidewall of the drum. In another embodiment, the detector array may be comprised of a plurality of detector modules that may be individually mounted/dismounted from the rotatable drum, and in one example, may provide structural support to the rotatable drum. | 10-10-2013 |
20130266117 | X-RAY CT APPARATUS AND METHOD FOR CONTROLLING THE SAME - An X-ray CT apparatus according to an embodiment includes: an X-ray irradiator configured to emit X-rays to the examinee on a table; an X-ray detector configured to detect X-rays transmitted through the examinee on the table; a data collector configured to collect transmission data on those X-rays; a movement drive unit configured to move one of the table and the X-ray irradiator relative to the other in an outward direction and then in a homeward direction, the outward direction and homeward direction being opposite directions along a body axis of the examinee on the table; a position detector configured to detect a relative position between the table and the X-ray irradiator; and a data collection controller configured to control timings for starting and stopping data collection by the data collector, based on the relative position between the table and the X-ray irradiator. | 10-10-2013 |
20130272492 | X-RAY TRANSPARENT BED AND GURNEY EXTENDER FOR USE WITH MOBILE COMPUTERIZED TOMOGRAPHY (CT) IMAGING SYSTEMS - A bed and gurney extender for selective attachment to a standard hospital bed or gurney for supporting the head of a patient during scanning, comprising:
| 10-17-2013 |
20130287166 | Image Processing Device, X-Ray CT Photographic Apparatus, and Image Processing Method - An image processing device acquiring pseudo projection data by calculation when a virtual metallic body having a predetermined X-ray absorption coefficient is set in a photographic region of X-ray CT photography in a pseudo manner based on projection data, and the image processing device reconstructing the pseudo projection data to acquire pseudo CT image data. The image processing device acquires luminance (virtual metallic body luminance) of a virtual metallic body in the pseudo CT image data, and specifies a position of a metal equivalent region having luminance corresponding to the virtual metallic body luminance in normal CT image data. The image processing device acquires correction projection data by performing correction processing to the luminance of the metal equivalent region in the normal projection data, and the image processing device reconstructs the correction projection data to acquire correction CT image data. | 10-31-2013 |
20130287167 | DETERMINATION OF A BODY PART POSITION DURING RADIATION THERAPY - The present invention relates to a data processing method for use in the field of radiation therapy and for determining a position of a treatment body part relative to an actual arrangement of at least one position of a treatment beam issued by a treatment device, the position being called monitoring tissue position and the treatment body part being a soft tissue part of an anatomical structure of a patient; the data processing method being constituted to be performed by a computer and comprising the following steps: providing CBCT data describing a three-dimensional CBCT image of the anatomical structure, the three dimensional CBCT image representing the treatment body part and a bony structure in a relative position to each other, called tissue-bone pre-alignment position, at a point in time, called pre-alignment time; providing x-ray data describing information on a position of the bony structure, called monitoring bone position, relative to the actual arrangement at a point in, time during treatment, called monitoring time, the monitoring time being after the pre-alignment time; determining the monitoring tissue position of the treatment body part relative to the actual arrangement based on the tissue-bone pre-alignment position represented by the CBCT image data, based on the information on the monitoring bone position described by the x-ray data, and based on a predefined relationship between a first relative position between the treatment body part and the bony structure at the pre-alignment time and a second relative position between the treatment body part and the bony structure at the monitoring time. | 10-31-2013 |
20140003573 | X-Ray CT System for Measuring Three Dimensional Shapes and Measuring Method of Three Dimensional Shapes by X-Ray CT System | 01-02-2014 |
20140016740 | PRE-SCAN IMAGING WITH ROTATING GANTRY - A method includes identifying at least first and second angles of rotation of the rotating gantry at which first and second pre-scans are acquired, wherein the first and the angles of rotation are different angles, acquiring data, via the imaging system while rotating the rotating gantry, only during a predetermined angular range about the first angle of rotation for a first plurality of rotations from the start to the end pre-scan positions and during the predetermined angular range about the second angle of rotation for a second plurality of rotations from the start to the end pre-scan positions, and reconstructing a first pre-scan based only on the data acquired during the predetermined angular range about the first angle of rotation and a second pre-scan based only on the data acquired during the predetermined angular range about the second angle of rotation. | 01-16-2014 |
20140037049 | SYSTEMS AND METHODS FOR INTERVENTIONAL IMAGING - An imaging system including an integral computed tomography and interventional (CT/I) system that includes a large-area detector configured to acquire projection data corresponding to a field of view of the system from one or more view angles is presented. The system includes a computing device operatively coupled to the CT/I system and configured to process the acquired projection data to generate a 2D projection image in real-time, a 3D cross-sectional image of a region of interest in the subject, a combined image using the 2D projection image and the 3D cross-sectional image and/or control selective generation of the 2D projection image, the 3D cross-sectional image and/or the combined image based on one or more imaging specifications. The system also includes a display operatively coupled to the computing device and configured to display the 2D projection image, the 3D cross-sectional image and/or the combined image based on the imaging specifications. | 02-06-2014 |
20140037050 | PATIENT LOCALIZATION SYSTEM - The invention relates to means for determining the spatial configuration of a biological body (P) on a surface, particularly on the surface of a patient support ( | 02-06-2014 |
20140056403 | UNIVERSAL TELETHERAPY TREATMENT ROOM ARRANGEMENT - A teletherapy treatment arrangement constituted of: a control unit; a 3 dimensional imager having an effective patient plane; at least one 2 dimensional imager arranged to provide a pair of 2 dimensional images along planes generally orthogonal to the effective patient plane of the 3 dimensional imager; and a patient positioner arranged to secure a target tissue in a fixed relationship to the patient positioner, the control unit arranged to: input a planned treatment position of the patient target tissue; in the event that the planned treatment position is consonant with the effective patient plane of the 3 dimensional imager, obtain position information of the target tissue from the 3 dimensional imager, and in the event that the planned treatment position is not consonant with the effective patient plane of the 3 dimensional imager, obtain position information of the target tissue from the at least one 2 dimensional imager. | 02-27-2014 |
20140098934 | IMAGE DIAGNOSTIC APPARATUS, X RAY COMPUTED TOMOGRAPHY APPARATUS, MEDICAL BED APPARATUS, AND BED CONTROL METHOD - According to one embodiment, a support mechanism movably supports the table top. A bed driver generates driving power to be supplied to the support mechanism to move the table top. An imaging mechanism includes a mechanism for acquiring medical image data associated with a subject placed on the table top. An ascending switch receives an ascending instruction for the table top. A descending switch receives a descending instruction for the table top. A storage unit stores the height of the table top at the time of the issuance of an ascending instruction as a target return position. When a descending instruction is issued, a bed controller controls the bed driver to descend the table top to the target return position stored in the storage unit. | 04-10-2014 |
20140133624 | X-RAY COMPUTED TOMOGRAPHY APPARATUS - According to one embodiment, an X-ray computed tomography apparatus comprises an X-ray generating unit, an X-ray detecting unit, a rotating mechanism configured to rotate the X-ray generating unit and the X-ray detecting unit, a reconstruction processing unit configured to reconstruct first images respectively corresponding to volumes, a shift detecting unit configured to detect shifts of an object image due to warp of the top within a reconstruction coordinate system of the reconstruction processing unit, which shifts respectively correspond to the first images, and a control unit configured to move an origin of the reconstruction coordinate system for each of the volumes based on each of the detected shifts and control the reconstruction processing unit to reconstruct second images, which shifts respectively correspond to the volumes from the output from the X-ray detecting unit on the reconstruction coordinate system whose origin has been moved. | 05-15-2014 |
20140161223 | HIGH-TEMPERATURE STRAIN CELL FOR TOMOGRAPHIC IMAGING - This disclosure provides systems, methods, and apparatus related to the high temperature mechanical testing of materials. In one aspect, a method includes providing an apparatus. The apparatus may include a chamber. The chamber may comprise a top portion and a bottom portion, with the top portion and the bottom portion each joined to a window material. A first cooled fixture and a second cooled fixture may be mounted to the chamber and configured to hold the sample in the chamber. A plurality of heating lamps may be mounted to the chamber and positioned to heat the sample. The sample may be placed in the first and the second cooled fixtures. The sample may be heated to a specific temperature using the heating lamps. Radiation may be directed though the window material, the radiation thereafter interacting with the sample and exiting the chamber through the window material. | 06-12-2014 |
20140205060 | MAMMOGRAPHY DETECTOR HAVING MULTIPLE SENSORS, AND MAMMOGRAPHY DEVICE CAPABLE OF 3D IMAGE ACQUISITION - The present invention relates to a mammography detector consisting of a mammography detector having multiple sensors, such as a high resolution sensor for detecting very small lesions, a high contrast sensor for detecting the exact size of a lesion, a mammography sensor, and a CT sensor; and to a mammography device capable of acquiring 3D images by rotating an X-ray emitting unit and the mammography detector by more than 185 degrees with respect to a breast to be examined. The mammography device includes a main body, a gantry connected to the main body so as to be capable of moving vertically, an X-ray emitting unit mounted on one end of the gantry, and an X-ray detector mounted on the opposite end of the gantry at a position opposite the X-ray emitting unit, and comprises: a first rotating means provided within the main body in order to rotate the gantry; and a pressing means for pressing the breast of a patient while the patient is standing, and including a supporting panel provided on a rotational axis of the first rotating means, and a pressing panel capable of vertical movement on the axis of rotation so as to press the breast on the supporting panel, and connected to the main body while physically separated state from the gantry. The X-ray detector includes a CT sensor, and a 3D image is acquired by rotating the gantry by at least a certain angle, with the pressing means pressing the breast of the patient. | 07-24-2014 |
20140233695 | X-RAY CT SYSTEM AND MEDICAL IMAGE PROCESSING METHOD - X-ray CT system and method of processing medical images are provided that enable combining of images with reduced effect of the differences in coordinates of the pixels in the overlapped areas of a plurality of constituent images. The X-ray CT system comprises a processor and a synthesizer. Based on coordinates of a first pixel in a first image that the image generator has generated about a first three-dimensional region of the subject and coordinates of a second pixel in a second image generated about a second three-dimensional region of the subject, the processor combines the first pixel with the second pixel on a one-for-one basis within a predetermined range in the rostrocaudal direction. The synthesizer generates a third pixel relative to the first pixel and the second pixel constituting the combination by the processor and to generate a third image that includes the third pixel. | 08-21-2014 |
20140241491 | IMAGING SYSTEM ROTATING GANTRY AND SUBJECT SUPPORT MOTION CONTROL - An imaging system ( | 08-28-2014 |
20140254750 | MEDICAL X-RAY CT PHOTOGRAPHY APPARATUS - A medical X-ray CT photography apparatus body includes a turning arm that supports an X-ray generator and an X-ray detector while the X-ray generator and the X-ray detector are opposed to each other with the subject interposed therebetween, a bracket part that fixedly supports an axial center position of a turning shaft provided in the turning arm, and a support drive part that turns the turning arm about the turning shaft with respect to the bracket part. The medical X-ray CT photography apparatus body also includes a subject chair on which the subject sits, a chair moving mechanism that linearly moves the subject chair in a front-back direction (Y-axis direction) of the subject, and a main-body controller that performs the panoramic X-ray photography by controlling the chair moving mechanism and the support drive part in conjunction with each other. | 09-11-2014 |
20140270059 | HIGH RESOLUTION MODELS OF A TARGET OBJECT - Embodiments of the systems and methods of this disclosure utilize different positions, or poses, of a target object to collect images that can result in high-resolution volumetric models of the target object. In one embodiment, the object poses define a lateral position and an axial position (also “angular orientation”) of the target object relative to components of an imaging system, e.g., the source of the x-ray beam. The imaging system captures an image of the target object in the object poses. Further processing of the image data that relates to the images generates a volumetric model of the target object at higher resolution, or with fewer artifacts, as compared to similar volumetric models that arise from conventional scanning of these large parts. | 09-18-2014 |
20140321611 | RADIATION IMAGING APPARATUS, COMPUTED TOMOGRAPHY APPARATUS, AND RADIATION IMAGING METHOD - A radiation imaging apparatus includes: a radiation emitter configured to emit radiation toward an object and to move around the object at a same time; a radiation detector configured to detect the radiation emitted from the radiation emitter, to change the detected radiation into a signal, and to store the signal; and an irradiation controller configured to control the radiation emitter so that the radiation is emitted toward the object in a first position around the object and so that no radiation is emitted toward the object in a second position corresponding to the first position. | 10-30-2014 |
20140328455 | DIAGNOSTIC IMAGING APPARATUS AND CONTROL METHOD OF THE SAME - An diagnostic imaging apparatus including: a correction table; a top panel height calculation unit configured to calculate a height of the top panel corresponding to the distance between the fulcrum of the top panel and the imaging position, from an image captured by continuous imaging of the subject; an imaging position estimation unit configured to estimate an imaging position of an image captured by a different imaging method from a method for the captured image based on the height of the top panel calculated by the top panel height calculation unit, the distance between the fulcrum of the top panel corresponding to the height and the imaging position, and the correction table; and an image correction unit configured to align the imaging position of the image captured by the different imaging method with the imaging position of the image captured by the continuous imaging. | 11-06-2014 |
20150030121 | COORDINATE MEASURING APPARATUS AND METHOD FOR MEASURING AN OBJECT - The invention relates to a coordinate measuring apparatus for measuring an object, having an x-ray sensory mechanism as a first sensory mechanism that is provided with an x-ray source and at least one x-ray sensor which detects the x-rays, and a second sensory mechanism such as a tactile and/or an optical sensory mechanism that can be placed in the x, y, and/or z direction of the coordinate measuring apparatus in relation to the object. In order to be able to easily measure also large-size test objects, the x-ray sensory mechanism can be positioned in the coordinate measuring apparatus according to the second sensory mechanism. | 01-29-2015 |
20150049859 | INTEGRATED MULTI-MODE MAMMOGRAPHY/TOMOSYNTHESIS X-RAY SYSTEM AND METHOD - A system for multi-mode breast x-say imaging which comprises a compression arm assembly for compressing and immobilizing a breast for x-ray imaging, an x-ray tube assembly, and a x-ray image receptor is provided. The system is configured for a plurality of imaging protocols and modes. | 02-19-2015 |
20150063536 | X-RAY CT APPARATUS - An X-ray CT apparatus includes a specifying unit, a setting unit, a controller, and a reconstruction unit. The specifying unit refers to exposure dose information to specify a high exposure area in an imaging area in a subject. The setting unit sets a scan condition under which a cross section of the imaging area can be imaged and under which X-rays are not directly applied to the high exposure area or another scan condition under which a cross section of the imaging area can be imaged and under which an X-ray radiation dose directly applied to the high exposure area is reduced relative to an area other than the high exposure area. The controller collects data of X-rays applied from an X-ray tube and detected by an X-ray detector under the set scan condition. The reconstruction unit reconstructs a tomographic image using the collected data of X-rays. | 03-05-2015 |
20150078514 | IMAGING SYSTEM SUBJECT SUPPORT - An imaging system ( | 03-19-2015 |
20150117596 | SYSTEM AND METHOD OF NOISE DELETION IN COMPUTED TOMOGRAPHY - An imaging system includes a computer programmed to reconstruct original CT projection data, estimate noise in image space, forward project the image noise estimate to generate an initial projection noise estimate, modify the initial projection noise estimate using a statistical property of noise in projection space, remove noise in the original CT projection data by subtracting the modified noise estimate therefrom to generate noise-removed projection data, and reconstruct a final image based on the noise-removed projection data. | 04-30-2015 |
20150117597 | SCANNING SYSTEM FOR THREE-DIMENSIONAL IMAGING - A scanning system for three-dimensional imaging comprises a bench, a gantry frame, a light source, a sensor and a control unit. The bench is to support a subject to be scanned. The gantry frame is movably mounted at a lateral side of the bench. The light source is movably mounted on the gantry frame so as to emit a light for a radiographic purpose. The sensor is movably mounted at a side of the bench, by opposing to the subject with respect to the bench, so as to receive the light emitted from the light source. The control unit is electrically coupled with the gantry frame, the light source and the sensor so as thereby to perform motion controls upon the gantry frame, the light source and the sensor. | 04-30-2015 |
20150289826 | IMAGING SYSTEM SUBJECT SUPPORT - Described herein is an approach to determine a deflection of a portion of an imaging system tabletop located at iso-center utilizing a tabletop deflection determiner with a least a first portion located on a rotating gantry portion of the imaging system. In one non-limiting instance, an imaging system includes a rotating gantry portion ( | 10-15-2015 |
20150289827 | CT APPARATUS FOR IMAGING CRANIAL ANATOMIES - The invention relates to a medical computed tomography imaging apparatus which is especially designed to enable cranial imaging. The structure of the apparatus includes a gantry ( | 10-15-2015 |
20150289829 | MEDICAL IMAGING DIAGNOSIS APPARATUS, NUCLEAR MEDICINE DIAGNOSIS APPARATUS, X-RAY CT APPARATUS, AND BED APPARATUS - According to one embodiment, a medical imaging diagnosis apparatus includes a top-plate, a bed, a first gantry, a second gantry and a moving assembly. The top-plate places a subject thereon. The bed supports the top-plate. The first gantry includes an X-ray generator and an X-ray detector which revolve around the top-plate. The second gantry includes a gamma ray detector which detects gamma rays emitted from the subject. The moving assembly moves, based on a first position indicative of a center position of an effective view field in the first gantry and a second position indicative of a center position of an effective view field in the second gantry, the top-plate relative to the second position. | 10-15-2015 |
20150289834 | X-RAY CT SYSTEM - An X-ray CT system of an embodiment includes an X-ray scanner including an X-ray generator that performs X-ray imaging by scanning around a subject that is placed on a bed top and an X-ray detector. The X-ray scanner performs X-ray imaging while the bed top and the X-ray scanner are being reciprocated relative to each other in a first direction along the longitudinal direction of the bed top and a second direction opposite thereto. The X-ray CT system further includes a comparator that compares the positions of the bed top when a predetermined number of views are acquired in a plurality of times of X-ray imaging in the first direction or in a plurality of times of X-ray imaging in the second direction. | 10-15-2015 |
20150297158 | APPARATUS FOR PARTIAL CT IMAGING - An apparatus for computed tomography imaging of a patient has a rotatable mount that is actuable to rotate about a rotation axis and that supports, at opposite ends an x-ray source and an x-ray detector, wherein the x-ray source is disposed to direct a radiation beam through the patient and toward the detector. A patient positioning apparatus positions the patient relative to the rotation axis. A control logic processor controls rotation of the rotatable mount and acquires image data for the patient at each of a number of angular positions about the rotation axis. A collimator is disposed in front of the x-ray source and controlled by the control logic processor to center the radiation beam, at each of the plurality of angular positions, on a region of interest that is spaced apart from the rotation axis. | 10-22-2015 |
20150327816 | X-RAY CT APPARATUS AND CONTROL METHOD - According to an embodiment, an X-ray CT apparatus comprises a bed reciprocating member, setting circuitry, determination circuitry, and control circuitry. The bed reciprocating member reciprocally moves the top along the body axis direction of the object. The setting circuitry sets an imaging range in the above helical scanning. The determination circuitry determines whether the position of the top coincides with a planned scan end position when the helical scanning reaches one end of the set imaging range in the body axis direction. If the determination result obtained by the determination circuitry indicates incoincidence, the control circuitry controls the bed reciprocating member to move the position of the top to the planned scan end position. | 11-19-2015 |
20150330916 | SYSTEM AND METHOD FOR THE AUTOMATED TESTING AND/OR MEASURING OF A PLURALITY OF SUBSTANTIALLY IDENTICAL COMPONENTS BY X-RADIATION - A system for the automated serial testing and/or measuring of a plurality of substantially identical components by X-radiation, the system comprising a testing device with a support, a rotor mounted so as to be continuously rotatable on the support, and an X-ray device disposed on the rotor, a protective enclosure surrounding the testing device, a handling device for handling a component during X-ray testing, and a control/evaluation unit configured for automatically controlling the system as well as evaluating the X-ray signals by computer tomography. The handling device is configured for periodically reciprocating between a loading region and a testing region and comprises an end face element on which the component can be disposed on the side of the end face. | 11-19-2015 |
20150351705 | SYSTEM FOR IMPROVED COMPRESSIVE TOMOGRAPHY AND METHOD THEREFOR - A method and system for forming tomographic images of an object using discrete, non-continuous illumination rays is disclosed. In some embodiments, coded apertures, collimation filters, or reference structures are used to filter the set of illumination rays from a two- or three-dimensional radiation signal, wherein the set of illumination rays are then used to interrogate the object. In some embodiments, the object is interrogated with a set of illumination rays that is continuous and a sparse array of detectors is used to sub-sample the illumination rays after they have passed through the object. | 12-10-2015 |
20150357660 | PINHOLE DETECTION SYSTEM OF FUEL CELL - The present invention features a pinhole detection system of a fuel cell that preferably includes a stage on which a fuel cell element unit is disposed to be detected, a drive portion that is configured to move the stage so as to rotate the fuel cell element unit, a X-ray source that is disposed at one side of the stage to apply X-ray to the fuel cell element unit that rotates, an image detector that detects X-ray penetrating the fuel cell element unit, and a computer tomography that reconstructs tormogram that is detected by the image detector to a three dimension. Preferably, the fuel cell element unit is rotated on the stage, X-ray is applied to the rotating unit to gain the tomogram thereof, and the tomogram is reconstructed to be a three-dimensional image through a computerized tomography (CT scanning) such that the pinhole formed within the unit can be effectively detected. | 12-10-2015 |
20150359493 | ADJUSTABLE HEAD POSITIONING DEVICE FOR USE WITH CONE BEAM CT SCANNER - A heading positioning apparatus and the method of use for cone-beam computed tomography (CBCT), and single photon emission computed tomography (SPECT). | 12-17-2015 |
20160025657 | Methods and Systems for Non-Destructive Analysis of Objects and Production of Replica Objects - In one aspect, the present disclosure provides a method including rotating a rotatable surface with an object positioned thereon to a plurality of angular positions. The method also includes capturing, via an x-ray microtomography device at each of the plurality of angular positions, a tomograph of the object. The method also includes summing each tomograph of the object to create a three-dimensional image of the object. The method also includes using an additive manufacturing machine to create a three-dimensional replica of the object using the three-dimensional image of the object. | 01-28-2016 |
20160025888 | Methods and Systems for the Rapid Detection of Concealed Objects - This invention is directed towards finding, locating, and confirming threat items and substances. The inspection system is designed to detect objects that are made from, but not limited to, special nuclear materials (“SNM”) and/or high atomic number materials. The system employs advanced image processing techniques to analyze images of an object under inspection (“OUI”), which includes, but is not limited to baggage, parcels, vehicles and cargo, and fluorescence detection. | 01-28-2016 |
20160038100 | X RAY COMPUTED TOMOGRAPHY APPARATUS, A TOP PLATE CONTROL APPARATUS AND A TOP PLATE CONTROL METHOD - According to embodiment, an X-ray computed tomography apparatus includes a gantry, bed, input interface circuitry, and control circuitry. The gantry includes an X-ray tube generating X-rays and an X-ray detector detecting the X-rays transmitted through a subject. The bed arranged at a front surface side of the gantry includes a top plate moving toward an opening of the gantry. The input interface circuitry inputs an imaging plan concerning imaging of the subject. The control circuitry controls the bed to limit movement of the top plate when the input interface circuitry inputs an imaging plan to image part of the subject inserted from a back surface side of the gantry into the opening. | 02-11-2016 |
20160045173 | ANATOMICAL IMAGING SYSTEM WITH SCANNING TABLE MOVABLE ALONG THE X-AXIS AND/OR SCANNING TABLE MOVABLE ALONG THE Y-AXIS AND THE Z-AXIS - A novel scanning table for use with a scanning machine, the novel scanning table being movable along the X-axis and/or movable along the Y-axis and the Z-axis. | 02-18-2016 |
20160077023 | Multi-Objective Core-Flood Test System for Oil Recovery Evaluation - Example methods and systems are described for performing core-flood tests for evaluating effectiveness of hydrocarbon recovery techniques. In some aspects, a core-flood test system includes a core holder configured to be coupled to a computed tomography (CT) scanner system to monitor fluid saturations of a core including a rock sample and a core sleeve to be received in the core holder. The core holder and the core sleeve are separated by a confining space. The core sleeve is configured to receive the core. The core sleeve is configured to contact the core in response to a confining pressure applied to the core sleeve in the confining space and to be separate from the core in response to the confining pressure being removed, creating a fracture space between the core and the core sleeve. | 03-17-2016 |
20160100816 | RADIOGRAPHIC IMAGING APPARATUS, METHOD OF CONTROLLING RADIOGRAPHIC IMAGING APPARATUS AND COMPUTED TOMOGRAPHY APPARATUS - A radiographic imaging apparatus includes: a radiographic image obtainer configured to acquire a first radiographic image of an object; and a processor configured to obtain attenuation information of the object based on the first radiographic image, determine candidate tube voltages and tube currents based on a quality of a second radiographic image to be obtained, and determine expected exposure doses corresponding to the determined candidate tube voltages and tube currents. | 04-14-2016 |
20160128664 | SYSTEMS AND METHODS FOR EMISSION TOMOGRAPHY/COMPUTED TOMOGRAPHY DATA ACQUISITION - A method includes receiving Emission Tomography (ET) data of a subject from an ET/Computed Tomography (CT) scanner. The method further includes generating a first motion signal corresponding to a first bed position of the ET/CT scanner from the received ET data and determining whether the first motion signal indicates a periodic motion. The method also includes calculating a first time period from the first motion signal in response to determining that the first motion signal indicates the periodic motion and sending a first acquire notification to the ET/CT scanner to acquire Cinematographic (CINE) Computed Tomography (CT) data from the first bed position based on the first time period. | 05-12-2016 |
20160133031 | RADIATION CT APPARATUS - A radiation CT apparatus that can gain a clear tomogram without a rotation axis runout and without fail through a single CT scan and a simple operation is provided. When the data on the projection with radiation collected through a CT scan is first reconstructed through an arithmetic operation by a reconstruction arithmetic operation unit | 05-12-2016 |
20160139064 | X-RAY DEVICE AND MANUFACTURING METHOD OF STRUCTURE - Provided is a device capable of suppressing a drop in detection accuracy, and a manufacturing method of a structure. A detection device is a device that irradiates a subject with X-rays and detects the X-rays transmitting through the subject, and includes an X-ray source that emits X-rays, a table that holds the subject, a detector that detects at least a portion of the transmitted X-rays emitted from the X-ray source and transmitted through the subject, and a first guide device and a second guide device that guide movement of the table in a direction parallel to an optical axis of the X-ray source while supporting the table. In this detection device, a guide plane, which is parallel to the optical axis and is a plane to which the movement of the table is regulated, passes through the inside of a detection region of the transmitted X-rays of the detector. | 05-19-2016 |
20160143604 | CT IMAGE CORRECTION - A method and system for CT image correction are provided. Contour data of a scanned subject can be obtained, and a shape image of the scanned subject can be reconstructed according to the contour data, wherein the contour data of the scanned subject can be obtained by scanning the scanned subject through a piece of visual equipment. Original CT projection data of the scanned subject can be obtained, and a CT image can be reconstructed according to the original CT projection data. For determining a supervision field image, image matching can be performed between the shape image and the CT image of the scanned subject. Supervision field projection data can be obtained, and the supervision field projection data can be used to correct the CT image. | 05-26-2016 |
20160151025 | COUCH DEVICE, X-RAY CT APPARATUS, AND MEDICAL IMAGE DIAGNOSTIC APPARATUS | 06-02-2016 |
20160174929 | METHOD AND APPARATUS FOR TABLE-GANTRY ALIGNMENT IN AN IMAGING SYSTEM | 06-23-2016 |
20160187503 | SYSTEMS AND METHODS FOR X-RAY CT SCANNER WITH RECONFIGURABLE FIELD OF VIEW - A gantry assembly for use with an imaging system is provided. The gantry assembly includes an x-ray source and a modular detector assembly that includes a plurality of selectively removable detector modules. A first detector module of the plurality of detector modules is mounted at a first distance from the x-ray source and a second detector module of the plurality of detector modules is mounted at a second distance from the x-ray source. The first distance is different from the second distance. The gantry assembly is configured to image objects using both a first field of view and a second field of view that is larger than the first field of view. | 06-30-2016 |
20160252467 | X-ray CT microscopy system and method utilizing lattice sampling | 09-01-2016 |
20170231589 | X-RAY CT APPARATUS, UPSAMPLING METHOD OF PROJECTION DATA, AND IMAGE RECONSTRUCTION METHOD | 08-17-2017 |
20170231843 | MOBILE SCREENING APPARATUS | 08-17-2017 |