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US20140270065 APPARATUS AND METHOD FOR CALIBRATING AN X-RAY IMAGE OF A KNEE OF A PATIENT  
An x-ray calibration apparatus includes a radiolucent knee alignment jig configured to receive a knee of a patient and a radiolucent cushion configured to hold a patient's knee at a fixed angle of...
US20110315865 METAL VOLUME SOURCE CALIBRATION PHANTOM AND CALIBRATING METHOD THEREOF  
A metal volume source calibration phantom includes a container, a plurality kinds of metal plates stacked up inside the container, and at least one slab of radioactive source, each of which is...
US20110019802 UNIVERSAL X-RAY TEST BED  
Systems and methods presented herein provide for the testing and reconfiguration of x-ray devices. In one embodiment, a test bed effectuates testing of an acquired x-ray device to determine a...
US20130195255 Calibration Phantom Device and Analysis Methods  
This invention relates to a small pocket phantom designed to estimate the fundamental properties of imaging scanning acquisition including 3D resolution, noise, and scanner attenuation performance...
US20140243500 CALIBRATION AND NORMALIZATION SYSTEMS AND METHODS FOR RADIOPHARMACEUTICAL SYNTHESIZERS  
The present invention relates to calibration and normalization systems and methods for ensuring the quality of radiopharmaceuticals during the synthesis thereof, such as radiopharmaceuticals used...
US20120163557 METHODS AND PHANTOMS FOR CALIBRATING AN IMAGING SYSTEM  
A method for calibrating a medical imaging system includes performing an initial calibration of the imaging system, at a manufacturing site fabricating the imaging system, using a plurality of...
US20140294140 RADIOGRAPHIC PHANTOM APPARATUSES  
There is provided a radiographic phantom for inter alia mimicking specific anatomical parts in a computerized tomography scan. Methods are provided for a variety of purposes including detecting a...
US20120314844 AUTOMATIC HEALTH DETECTION FOR MOTION AXES IN MEDICAL LINEAR ACCELERATORS  
In a method of detecting the health of a motion axis in a radiation system including a motor operable to move a load between a first end and a second end, data on an electrical parameter of the...
US20140016759 COMPOUND 6D-OFFSET SIMULATING PHANTOM AND QUALITY ASSURANCE PROGRAM FOR PRECISION IMAGE-GUIDED RADIOTHERAPY AND RADIOSURGERY  
This invention provides a device for checking the performance of an image-guided radiation therapy (IGRT) apparatus. The device (referred to here as a phantom) has a central body with detectable...
US20100235180 Synergistic Medicodental Outpatient Imaging Center  
The invention discloses a method and configuration for a medical and dental outpatient diagnostic imaging center. The medical and dental diagnostic imaging center will house a plurality of medial...
US20110288406 CT PERFUSION PHANTOM  
A physical phantom reference to control for variability of computed tomography measurement results duplicates the density curve of blood perfusion of contrast material in a healthy aorta or large...
US20130006035 RADIOTHERAPY PHANTOM  
The present invention relates to a phantom for use in the auditing or verification of a proposed radiation therapy regime for administration to a patient. The phantom comprises a housing which is...
US20120330083 RADIOTHERAPY PHANTOM  
The present invention relates to a phantom for use in the auditing or verification of a proposed radiation therapy regime for administration to a patient. The phantom comprises a housing which is...
US20120128132 PHANTOM FOR CONTRAST IMAGING CALIBRATION  
An imaging phantom for contrast imaging calibration. The phantom includes a body defining at least one cavity having a directional configuration corresponding to at least one pre-determined...
US20120207283 TEST PHANTOM FOR TOMOGRAPHIC IMAGING AND NOTABLY FOR BREAST TOMOSYNTHESIS  
A test phantom for tomographic imaging, the phantom comprising an assembly of elementary structures defining a 3D mesh, wherein each elementary structure comprises a chief constituent material...
US20120187081 Method for Optimizing the Spectral Performance of Scintillator Crystals  
The invention provides a method for optimizing the spectroscopy performance of a spectroscopy scintillator by surrounding the scintillator by a reflector material, performing a scan or more...
US20140348306 MOBILE X-RAY UNIT  
One embodiment of the present disclosure is directed to a mobile X-ray unit. The mobile X-ray unit may include an X-ray applicator for emitting an X-ray beam for irradiating an object. The mobile...
US20140233693 APPARATUS AND METHOD FOR COUNT LOSS CALIBRATION OF PHOTON-COUNTING DETECTORS IN SPECTRAL COMPUTED TOMOGRAPHY IMAGING  
A method for photon count-loss calibration in a computed-tomography (CT) scanner, including capturing incident X-ray photons via a plurality of energy-discriminating detectors, determining photon...
US20150204989 Imaging System Calibration  
A system includes determination of a first sub-matrix of a projection matrix which describes a geometrical relationship between points of a three-dimensional coordinate system of the imaging...
US20140133636 Computed Tomography Perfusion Phantom and Method Use Thereof  
A computed tomography perfusion phantom includes a scanned plane configured to align with an imaging plane of a CT device. A sample rod extends through the scan plane and includes a plurality of...
US20090310742 X-Ray System for Dental Diagnosis and Oral Cancer Therapy Based on Nano-Material and Method Thereof  
The present invention relates to applying an existing carbon nanotube X-ray tube for a dental X-ray imaging system that can replace a carbon nanotube electron emission source installed in a...
US20140376701 QUANTITATIVE PHANTOMLESS CALIBRATION OF COMPUTED TOMOGRAPHY SCANS  
An apparatus, method, and computer program product for calibrating a CT scan without the use of an external calibration phantom, to enable quantitative assessment of internal body tissues and...
US20140341338 Mammography-Apparatus, Paddle and Method of Measuring a Contact Area Between a Breast and the Mammography-Apparatus  
Mammography-apparatus for detecting malignant cells in a breast, comprising an x-ray source and an x-ray detector that cooperates with the x-ray source for providing an x-ray image of said breast,...
US20120063568 Calibration Devices and Methods of Use Thereof  
The present invention relates to calibration devices and to methods of using these devices.
US20110096911 Quality Assurance Phantom for Digital Dental Imaging and Related Method  
A quality assurance phantom for intraoral digital dental imaging and related method. The quality assurance phantom measures three different physical properties of an imaging system: dynamic range,...
US20120076259 Method and Apparatus Pertaining to Computed Tomography Scanning Using a Calibration Phantom  
These various embodiments serve to facilitate improving the accuracy of a computed tomography (CT) process. This can comprise operably coupling at least one calibration phantom to a CT scan table...
US20140211925 GEOMETRY CALIBRATION ALGORITHM FOR LARGE FLAT MODULE DETECTOR CT SCANNER  
A method for geometric calibration of a CT scanner, including, for each row of at least one row of detector cells, establishing a complete geometric description of the CT scanner, including at...
US20110062318 Multilayered Tissue Phantoms, Fabrication Methods, and Use  
A method for producing a multilayer tissue phantom involves successively forming at least two layers, each layer formed by depositing a viscous flowable material over a supporting element or over...
US20100002835 X-RAY INSPECTION APPARATUS AND X-RAY INSPECTION PROGRAM  
An X-ray inspection apparatus detects, by an X-ray line sensor, X-rays irradiated towards a product placed on a conveyor and transmitted therethrough in order to detect the presence of foreign...
US20080219411 Mounting device for phantom, method for quality monitoring of a particle therapy system, and particle therapy system  
A mounting device for phantoms for use in quality monitoring of a radiation therapy system is described. The mounting device is adapted such that a plurality of phantoms can be placed replicably...
US20090190723 CALIBRATION PHANTOM FOR QUALITY ASSURANCE OF IMAGE-BASED RADIOTHERAPY APPARATUS  
A calibration phantom for quality assurance of an image-based radiotherapy apparatus The calibration phantom includes a body comprising a cylindrical acryl member having a predetermined diameter,...
US20080219410 Phantom and method for quality monitoring of a medical system  
A phantom for quality monitoring of a medical system, in particular a medical therapy system, or particle therapy system, is described. The phantom has a fixation device for coupling the phantom...
US20140233694 APPARATUS AND METHOD FOR ANGULAR RESPONSE CALIBRATION OF PHOTON-COUNTING DETECTORS IN SPARSE SPECTRAL COMPUTED TOMOGRAPHY IMAGING  
A method for detector angular response calibration in computed-tomography (CT) comprising capturing incident X-ray photons, emitted from an X-ray source, via a plurality of energy-discriminating...
US20090285366 DETERMINING CALIBRATION INFORMATION FOR AN X-RAY APPARATUS  
The present invention relates to a method for determining calibration information which includes information on a spatial relationship between an x-ray apparatus reference frame and a...
US20150016594 X-RAY DIFFRACTION-BASED DEFECTIVE PIXEL CORRECTION METHOD USING AN ACTIVE PIXEL ARRAY SENSOR  
A method for correcting erroneous intensity measurements caused by defective pixels of the detector for a single-crystal X-ray diffraction system uses collected diffraction images and a defective...
US20140064458 RADIATION PENETRATION SYSTEM AND CALIBRATION OF THE SAME  
Position errors of the flat-panel detector in the axes system of the radiation penetration system relative to a necessitated position which remain, for example, after a coarse setup of the...
US20130083901 METHOD AND DEVICE FOR DETERMINING THE WEAR OF AN X-RAY ANODE  
A method and a device for determining the wear of an X-ray anode having an anode plate are provided. The method includes determining a reference value for a parameter that characterizes a property...
US20140153694 METHOD FOR DETERMINING GEOMETRIC IMAGING PROPERTIES OF A FLAT PANEL DETECTOR, CORRESPONDINGLY ADAPTED X-RAY INSPECTION SYSTEM AND CALIBRATION PHANTOM  
A method for determining geometric imaging properties of a flat panel detector in an x-ray inspection system includes the steps arranging a calibration phantom between an x-ray source and the flat...
US20090116621 RADIOSTEREOMETRIC CALIBRATION CAGE  
A calibration cage for use in Roentgen Stereophotogrammetric Analysis (RSA), comprising a biplanar configuration of two compartments, each with a fiducial plate at the bottom and a control plate...
US20100074414 Dose measuring method, and phantom and X-ray radiographic device used in dose measuring method  
The present invention provides a dose measuring method which can more easily measure radiation doses in the whole region to which X-rays are radiated, and a phantom and an X-ray radiographic...
US20130089186 X-RAY CALIBRATION DEVICE  
An x-ray calibration device includes a core including a first material with a first x-ray attenuation coefficient. The core defines a cavity that is configured to receive a plug of a different...
US20130308759 AIR BEARING DYNAMIC Z-AXIS BALANCING  
A medical imaging system includes a stationary gantry and a rotating gantry that rotates around an examination region about a z-axis. An air bearing rotatably couples the rotating gantry to the...
US20110176663 FOCAL SPOT POSITION DETERMINER  
One or more systems and/or techniques are disclosed herein for determining the orientation of a focal spot of a radiation source based upon shadows that are imposed on channels of a detector array...
US20110012014 SPECTRAL DETECTOR CALIBRATION  
A method includes detecting radiation that traverses a material having a known spectral characteristic with a radiation sensitive detector pixel that outputs a signal indicative of the detected...
US20090067583 Method for determining an imaging rule and method for generating a 3D reconstruction  
It is possible that at a predetermined position of the imaging components of a radiographic imaging system the object is not fully viewed. The object can be a calibration phantom, which means that...
US20080130839 ASSESSMENT OF RADIOGRAPHIC SYSTEMS AND OPERATORS USING TASK-BASED PHANTOM  
A method for image quality assessment of a digital radiography system extracts and isolates one or more individual targets from a phantom image, then obtains operator responses by displaying each...
US20140314211 PILEUP CORRECTION METHOD FOR A PHOTON-COUNTING DETECTOR  
A method and apparatus for determining a parameter vector that includes a plurality of parameters of a detector pileup model of a photon-counting detector, the detector pileup model being used for...
US20070172020 X-RAY CT APPARATUS AND METHOD OF CREATING CORRECTION DATA FOR X-RAY CT  
A helical scanning operation is performed while a bed is moved, so that data by one-time rotation is collected while positional relationships between a detecting system and a phantom relatively...
US20120177174 TEMPERATURE DRIFT CORRECTION FOR MULTI-SLICE DETECTOR IN COMPUTED TOMOGRAPHY  
A system and method for temperature drift correction capability in a CT detector module is disclosed. A scintillator array of a CT detector module has a plurality of scintillator cells configured...
US20080292063 Radiographic Calibration Apparatus  
A radiographic calibration apparatus for supporting a calibration unit. The radiographic calibration apparatus includes a support structure, and this support structure or arrangement is used to...
Matches 1 - 50 out of 253 1 2 3 4 5 6 >