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302 results about "X ray diagnosis" patented technology
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X-ray diagnostic system preferable to two dimensional x-ray detection
InactiveUS6196715B1Suppress and prevent generationImprove image qualityTelevision system detailsRadiation/particle handlingTomosynthesisX-ray generator
An X-ray tomosynthesis system as an X-ray diagnostic system is provided. The system comprises an X-ray generator irradiating an X-ray toward a subject, and a planar-type X-ray detector detecting the X-ray passing through the subject and outputting two dimensional imaging signals based on the detected X-ray. The system comprises a supporting / moving mechanism supporting at least one of the X-ray generator and the X-ray detector so that the at least one is moved relatively to the subject. The system also comprises an element setting a ROI position of the subject, an element for obtaining a plurality of three dimensional coordinates of pixels included in the ROI, a calculating element obtaining two dimensional coordinates of data in the two dimensional imaging signals for each of the two dimensional imaging signals detected by the X-ray detector, the data being necessary for obtaining pixel values of the three dimensional coordinates; and an element for obtaining the pixel value of each of the three dimensional coordinates by extracting the corresponding data of the two dimensional coordinates from the detected two dimensional imaging signals and adding the extracting data.
Owner:KK TOSHIBA
Medical diagnosis X radial high-frequency and high-voltage generator based on dual-bed and dual-tube
ActiveCN101188900ASolve the problem of shift workImprove clarityAc-dc conversionX-ray apparatusX-rayEngineering
The invention discloses a two-bed duplex tube medical diagnosis X-ray high frequency high voltage generator, which comprises a power supply and a central control unit, and also comprises a high frequency inverter circuit, a pulse-width modulation drive circuit and a high voltage commutation circuit. The generator converts the industrial power supply into two way high frequency high voltage, and then obtains positive end DC high voltage and negative end DC high voltage after the rectification and the filter to supply an X-ray pipet for working. Because the frequency is high and the high voltage ripple after the rectification and the filter is minimum, causing the X-ray pipet of a radiographic table and the X-ray pipet of an electric perspective table to work in turn under the condition of arranging only one set of high voltage supply. The equipment investment is saved, and the work of using the X-ray diagnosis for the medical staff is convenient. Being served as the high voltage supply, the invention is also suitable for the safety detection fields such as the industrial fault detection, the civil aviation, the station, the custom, etc., and supplies the stable high quality high voltage for the equipment.
Owner:广西道纪医疗设备有限公司
X ray high frequency high voltage generator for medical use diagnose
ActiveCN101203085AImprove clarityHigh adjustment accuracyAc-dc conversionX-ray apparatusX-rayEngineering
The invention discloses a medical diagnosis X-ray high frequency high pressure generator, comprising a power supply, a central control unit, a high frequency inverter circuit, a pulse width modulation driving circuit and a high pressure transform and high pressure output circuit. The generator transforms the industrial power to two ways of high frequency and high pressure, a positive direct current high pressure and a negative direct current high pressure are obtained through rectifying and wave-filtering to provide an X-ray ball tube to work. As the frequency is high, the ripple of the rectified and wave-filtered high electric pressure is tiny, and the X-ray quality projected by the X-ray ball tube is high, and the clearance of photos of the perspective and photograph is also high. The X-ray ball tube of a photograph bed or the X-ray ball tube of an electric perspective bed can work if allocated with the high pressure power. The invention is convenient for the medical staff to use the X-ray to do the work of diagnosing diseases. As the high pressure power supply, the invention is also suitable in the safety inspection fields such as industrial flaw detection, civil aviation, station and customs etc, and provides a stable and high qualified high pressure power supply for the equipments.
Owner:广西道纪医疗设备有限公司
X-ray diagnostic imaging system with a plurality of coded markers
ActiveUS7927014B2Material analysis using wave/particle radiationSurgical navigation systemsLocation detectionX-ray
Embodiments of an X-ray diagnostic imaging system comprise a plurality of coded 2D and / or 3D markers associated with surfaces of system components. The position and coding of at least some of the coded markers can be determined by a position detection system. In some embodiments, a coded marker is assigned a reference point having a known position on the surface of the system component. The positions of the system components in space can be calculated based at least in part on a reference point network determined from the position of the individual reference points measured with the position detection system. In some embodiments, the coded markers represent information with a data matrix code (DMC).
Owner:ZIEHM IMAGING
X-ray diagnostic apparatus for mammography examinations
ActiveUS6999554B2Avoid collisionRadiation diagnosis data transmissionPatient positioning for diagnosticsHorizontal axisCompression device
A x-ray diagnostic apparatus for mammography examinations has a support arm is supported in a bearing such that it can pivot around a substantially horizontal axis, and on which are arranged an arm provided with an x-ray source, a mounting provided with an x-ray receiver and a compression device. The arm, the mounting and the compression device can be mutually pivoted with the support arm around the horizontal axis. Additionally the arm and the mounting can be pivoted relative to the compression device around the horizontal axis and the arm can be pivoted relative to the mounting and the compression device around the horizontal axis.
Owner:SIEMENS HEALTHCARE GMBH
X-ray diagnostic apparatus for mammography examinations
ActiveUS20050129172A1Avoid collisionRadiation diagnosis data transmissionPatient positioning for diagnosticsHorizontal axisX-ray
A x-ray diagnostic apparatus for mammography examinations has a support arm is supported in a bearing such that it can pivot around a substantially horizontal axis, and on which are arranged an arm provided with an x-ray source, a mounting provided wit an x-ray receiver and a compression device. The arm, the mounting and the compression device can be mutually pivoted with the support arm around the horizontal axis. Additionally the arm and the mounting can be pivoted relative to the compression device around the horizontal axis and the arm can be pivoted relative to the mounting and the compression device around the horizontal axis.
Owner:SIEMENS HEALTHCARE GMBH
C-arm holding apparatus and X-ray diagnostic apparatus
An X-ray diagnostic apparatus includes a floor rotating arm which is installed at one end on a floor surface so as to be rotatable around a first rotation axis, a C-arm which is mounted on the other end of the floor rotating arm so as to be rotatable around a second rotation axis, an X-ray tube which is mounted on one end of the C-arm, an X-ray detector which is mounted on the other end of the C-arm, and a bed which has a table top provided to be movable along a longitudinal axis. The bed is placed such that the longitudinal axis is spaced apart from the first rotation axis by a predetermined distance.
Owner:TOSHIBA MEDICAL SYST CORP
Integrated digital dental x-ray system
ActiveUS7006600B1Quality improvementEliminate needTelevision system detailsX-ray apparatusDental OfficesDental radiography
An integrated digital x-ray diagnostic system and a method for conducting dental radiography which includes optimizing exposure settings based on certain physical parameters of a patient, communicating the operational status of the x-ray generator and the exposure settings directly to the a CCD sensor without radiation sensitive detector elements, and supplying various viewing stations with image data thereby improving dental office workflow. The activation of the sensor and the x-ray source are coordinated so as to avoid pre-integration of charge in the image sensor, and at the same time reduce risk of over-exposure to the patient.
Owner:MIDMARK
Angiographic x-ray diagnostic device for rotation angiography
ActiveUS7734009B2Improve the display effectReconstruction from projectionRadiation/particle handlingImage detectionX-ray
Owner:SIEMENS HEALTHCARE GMBH
X-ray diagnostic device
InactiveUS20070269001A1Improve representationCharacter and pattern recognitionRadiation diagnostics for dentistryX-rayBlood vessel
There is described an X-ray diagnostic device for performing cephalometric, dental or orthopedic examinations on a patient who is seated or standing. The X-ray diagnostic device comprises an X-ray emitter and an image detector embodied as a flat-panel detector that are arranged situated opposite each other on an orbitally moveable mount. The X-ray diagnostic device further comprises means for adjusting the height of the X-ray emitter and the image detector, a digital image system for recording a projection image using rotation angiography, a device for image processing for reconstructing the projection image into a 3D volume image; and a device for correcting physical effects or artifacts for representing soft tissue in the projection image and in the 3D volume image reconstructed therefrom.
Owner:SIEMENS HEALTHCARE GMBH
Real-time digital x-ray imaging apparatus
InactiveUS7016461B2Easy to optimizeReduce exposureTomosynthesisRadiation measurementAcquisition rateElectron
An x-ray diagnostic apparatus and methods performs Real-Time Digital Radiography with particular application in dental x-ray imaging modalities, such as Orthopantomography, Scannography, Linear Tomography and Cephalography, by using a versatile and modular electronic unit, featuring ultra fast computation capability to serve diversified image sensor typology and scanning modality.In Digital Orthopantomography and Scannography, a plurality of tomographic images at different depths of the jaw can be generated, based on the pre-selection made by the user interface.The image processing unit utilizes for the tomo-synthesis of the diagnostic image an accurate and economic digital simulator of the radiographic film speed, including a digital frequency synthesizer fed with film cassette speed digital input and high resolution clock signal, ensuring accurate and reproducible phase continuity of the output frequency signal.It also introduces an automatic adaptation of the frame acquisition rate in frame transfer mode, based on the actual speed of the cassette unit. By this method the dynamic of the exposure signal is reduced, and a better optimization of the signal response of the x-ray detector is achieved.
Owner:GENDEX
Three dimensional image processing apparatus and x-ray diagnosis apparatus
ActiveUS20080137934A1Improve image qualityReconstruction from projectionCharacter and pattern recognitionImaging processingRadiography
A three dimensional image processing apparatus includes a feature point designation unit which designates feature points on at least two selected images selected from a plurality of images in different radiographing directions, a three dimensional position calculation unit which calculates a three dimensional position associated with a feature point, a two dimensional position calculation unit which calculates the two dimensional position of a feature point on an unselected image on the basis of the calculated three dimensional position of the feature point, a feature point extraction unit which extracts a feature point from an unselected image, a positional shift calculation unit which calculates a positional shift of the two dimensional position of the extracted feature point with respect to the calculated two dimensional position of the feature point, a correction unit which corrects the position of the unselected image on the basis of the calculated positional shift, and an image reconstruction unit which reconstructs a three dimensional image on the basis of the selected image and the corrected unselected image.
Owner:TOSHIBA MEDICAL SYST CORP
X-ray diagnostics installation with a flexible solid state X-ray detector
InactiveUS6856670B2Avoid bendingSolid-state devicesMaterial analysis by optical meansVoltage generatorX-ray
An X-ray diagnostics installation has an X-ray tube, a voltage generator, a solid state X-ray detector, an image system and a playback device. The solid state X-ray detector is fashioned flexible and includes a flexible housing, a flexible substrate with a matrix of thin-film transistors (TFT), and a flexible X-ray converter.
Owner:SIEMENS HEALTHCARE GMBH
Skin-marking device
InactiveUS6972022B1Minimal packagingAccurate distance measurementSurgeryDiagnostic markersNMR - Nuclear magnetic resonanceFluorescence
A skin-marking device is disclosed that has a holder body and cap having a shape other than round, preferably triangular, to prevent the device from accidentally rolling off a flat surface. Measuring indicia is disposed on the device for accurately measuring distances. The device contains a dermatologically acceptable coloring agent for marking a patient's skin and one that may be selected from the group consisting of a radioopaque substance for x-ray diagnostic purposes, a fluorescent composition, a non-magnetic hydrogel for nuclear magnetic resonance imaging diagnostic purposes, a sterilizable gel ink, a combination of any of these, and a mixture of any of these. The holder body or cap may include a pocket clip or magnet attached thereto to permit the skin marker to be clipped inside a person's pocket or prevented from sliding off a magnetic drape or other magnetic surface, respectively. The skin marker may also come in a number of different sizes, one of which is optionally short enough to allow it to fit into a needle counter box to be packaged as part of a mini kit.
Owner:GRIFFIN MICHAEL
X-ray diagnosis apparatus and image processing apparatus
ActiveUS20100104167A1Ensure visibilityImage enhancementImage analysisImaging processingImage post processing
A marker-coordinate detecting unit detects coordinates of a stent marker on a new image when the new image is stored in an image-data storage unit; and then a correction-image creating unit creates a correction image from the new image through, for example, image transformation processing, so as to match up the detected coordinates with reference coordinates that are coordinates of the stent marker already detected by the marker-coordinate detecting unit in a first frame. An image post-processing unit then creates an image for display by performing post-processing on the correction image created by the correction-image creating unit, the post-processing including high-frequency noise reduction filtering-processing, low-frequency component removal filtering-processing, and logarithmic-image creating processing; and then a system control unit performs control of displaying a moving image of an enlarged image of a set region that is set in the image for display, together with an original image.
Owner:TOSHIBA MEDICAL SYST CORP
X-ray diagnostic apparatus and image processing apparatus
ActiveUS20080107233A1Reduce the amount requiredReduce exposureDiagnostic recording/measuringTomographyImaging processingReference Region
An image processing apparatus includes a storage unit which stores the data of a plurality of images in an angiography sequence, and a computation unit which generates a reference time density curve concerning a reference region set in a blood supply region to a blood supplied region and a plurality of time density curves concerning a plurality of local regions set in the blood supplied region on the basis of the data of a plurality of images, and computes a plurality of indexes respectively representing the correlations of the plurality of time density curves with respect to the reference time density curve.
Owner:TOSHIBA MEDICAL SYST CORP
X-ray diagnosis apparatus
InactiveUS7505549B2Effective supportRadiation/particle handlingCharacter and pattern recognitionImaging processing3d image
Owner:TOSHIBA MEDICAL SYST CORP
X-ray diagnosis apparatus
InactiveUS20050078793A1Eliminate artifactsTelevision system detailsColor television detailsFlat panel detectorX-ray
Offset data calculation means has a normal offset data calculation function for calculating offset data based on data obtained from an X-ray flat panel detector while no X-ray is incident in each of the modes, i.e., an entire region fluoroscopy mode, a partial region fluoroscopy mode, imaging mode, etc. and storing the data in offset data storage means, and additionally has a function for updating, upon calculation of new offset data in any of the modes, another mode offset data stored in the offset data storage means based on the new offset data calculated. Thus, from offset data acquired in any of the plurality of modes, it is possible to obtain the latest offset data in all the modes.
Owner:HITACHI MEDICAL CORP
Method and system for X-ray diagnosis of object in which X-ray contrast agent is injected
InactiveUS7634308B2Reduce operational burdenAdjustable openingDiagnostic recording/measuringSensorsSoft x rayBody axis
An X-ray diagnostic system is provided, which uses X-rays to image the lower limb of an object under conditions suitable for a flow of an X-ray contrast agent injected into the object. In the system, a C-shaped arm supports both an X-ray tube and an X-ray detector so that an object-laid tabletop is located between both the tube and the detector. For instance, one of the tabletop and the C-shaped arm is relatively moved with respect to the other so that the object is imaged along a body-axis direction thereof. The apparatus is able to perform a fluoroscopic scan to obtain a body-axis directional fluoroscopic image of the agent-injected object and to set imaging parameters, region by region in the body-axis direction, necessary for an imaging scan using the fluoroscopic image. The imaging parameters are used for the imaging scan of the agent-injected object.
Owner:TOSHIBA MEDICAL SYST CORP
X-ray diagnostic apparatus and image processing apparatus
ActiveUS7496175B2Reduce the amount requiredReduce exposureDiagnostic recording/measuringSensorsImaging processingReference Region
Owner:TOSHIBA MEDICAL SYST CORP
Remote Visual Feedback of Collimated Area and Snapshot of Exposed Patient Area
InactiveUS20080037708A1Improve throughputReduce exposureRadiation beam directing meansMaterial analysis by transmitting radiationX-rayX ray image
A method and system are providing for performing X-ray diagnostic imaging using a camera image controlled to image a field of view (FOV) that is substantially coincident and coplanar with a radiation footprint or FOV of an X-ray beam radiated towards a patient under examination. Both the X-ray beam and camera FOVs are shaped and / or limited by collimation. The method and system include acquiring a camera image with a collimated FOV to an X-ray beam FOV before X-ray imaging a patient, displaying the camera image and adjusting the collimation and patient positioning to define the X-ray beam FOV based on the displayed camera image before X-ray imaging the patient. After adjustment, the method and system include radiating the X-ray beam as collimated during the patient X-ray imaging, acquiring and processing captured X-ray image information to reconstruct an X-ray image and displaying the reconstructed X-ray image with the displayed camera image. The step of radiating may be postponed or interrupted for X-ray beam readjustment or patient repositioning for desired X-ray imaging based on the camera image displayed.
Owner:SIEMENS HEALTHCARE GMBH
X-ray diagnostic apparatus
An X-ray diagnostic apparatus includes an X-ray generating unit which generates X-rays, an X-ray detecting unit which detects X-rays transmitted through a subject, a C-arm on which the X-ray generating unit and the X-ray detecting unit are mounted, a support mechanism which movably supports the C-arm, a high voltage generating unit which generates a high voltage for generating X-rays from the X-ray generating unit, a first foot switch to input a first user instruction associated with generation of the X-rays, a second foot switch to input a second user instruction associated with movement of the C-arm, and a control unit which controls the high voltage generating unit in accordance with the input of the first user instruction and controls the support mechanism in accordance with the input of the second user instruction.
Owner:TOSHIBA MEDICAL SYST CORP
Medical image processing apparatus and x-ray diagnosis apparatus
InactiveUS20090310847A1Reduce exposureCharacter and pattern recognitionAngiographyImaging processingComputer science
A medical image processing apparatus includes an image storage unit which stores the data of a three-dimensional image associated with an object receiving an operation using a lumen insertion device, a lumen detection unit which detects a lumen centerline associated with a specific lumen from the three-dimensional image, a current position specifying unit which specifies the current position of the lumen insertion device based on the insertion distance from a reference position associated with the lumen insertion device and the detected lumen centerline, a cross-sectional image generating unit which creates, from the data of the three-dimensional image, the data of a cross-sectional image associated with a cross-section passing through at least one of the current position and an expected insertion position located ahead of the current position, and a display unit which displays the generated data of the cross-sectional image.
Owner:TOSHIBA MEDICAL SYST CORP
Live Fluoroscopic Roadmapping Including Targeted Automatic Pixel Shift for Misregistration Correction
ActiveUS20080027316A1Overcomes shortcomingCharacter and pattern recognitionDiagnostic recording/measuringDisplay deviceX-ray
An X-ray diagnostic imaging system for conducting live fluoroscopic subtraction imaging is described as including an X-ray source for directing X-ray radiation to a patient being examined, an x-ray imaging device positioned for receiving the X-ray radiation and acquiring images in response thereto and a processor arranged in communication with the x-ray source and x-ray imaging device to control acquisition of a contrast-enhanced mask image frame and a live image frame without contrast enhancement, to conduct a pixel shift calculation operation based on a small, user-defined region of interest (ROI), for example, 1 / 16 of a full frame, to realize a pixel shift vector to correct for motion between live image frames, to shift pixels comprising the mask image frame by pixel shift directions defined by the pixel shift vector, and to subtract the shifted mask image frame from the live image frame to realize a live roadmapping image frame. The system includes a display for displaying the live roadmapping image frame, and a user interface that allows a user to define and capture the small ROI in the displayed image frame for use by the processor conducting the pixel shift calculation.
Owner:SIEMENS HEATHCARE GMBH
Live fluoroscopic roadmapping including targeted automatic pixel shift for misregistration correction
ActiveUS7826884B2Overcomes shortcomingCharacter and pattern recognitionDiagnostic recording/measuringDisplay deviceX-ray
Owner:SIEMENS HEALTHCARE GMBH
Real-time digital x-ray imaging apparatus
InactiveUS7319736B2Exact reproductionBetter optimizedTomosynthesisRadiation measurementAcquisition rateElectron
Owner:GENDEX
Remote visual feedback of collimated area and snapshot of exposed patient area
InactiveUS7344305B2Improve throughputReduce exposureRadiation beam directing meansMaterial analysis by transmitting radiationX-rayX ray image
A method and system are providing for performing X-ray diagnostic imaging using a camera image controlled to image a field of view (FOV) that is substantially coincident and coplanar with a radiation footprint or FOV of an X-ray beam radiated towards a patient under examination. Both the X-ray beam and camera FOVs are shaped and / or limited by collimation. The method and system include acquiring a camera image with a collimated FOV to an X-ray beam FOV before X-ray imaging a patient, displaying the camera image and adjusting the collimation and patient positioning to define the X-ray beam FOV based on the displayed camera image before X-ray imaging the patient. After adjustment, the method and system include radiating the X-ray beam as collimated during the patient X-ray imaging, acquiring and processing captured X-ray image information to reconstruct an X-ray image and displaying the reconstructed X-ray image with the displayed camera image. The step of radiating may be postponed or interrupted for X-ray beam readjustment or patient repositioning for desired X-ray imaging based on the camera image displayed.
Owner:SIEMENS HEALTHCARE GMBH
X-ray diagnostic apparatus
ActiveUS20090022262A1Increase awarenessMaterial analysis using wave/particle radiationRadiation/particle handlingSoft x rayImaging processing
An X-ray diagnostic apparatus comprises an X-ray image generating unit which generates a series of a plurality of X-ray images associated with a subject to be examined, a storage unit which stores data of a three-dimensional image associated with the subject, an image processing unit which generates data of a two-dimensional blood vessel image from the stored data of the three-dimensional image, a difference processing unit which generates a plurality of difference images by subtracting the X-ray images from each other, and a display unit which superimposes and displays each of the plurality of difference images and the two-dimensional blood vessel image.
Owner:TOSHIBA MEDICAL SYST CORP
X-ray diagnostic apparatus
According to one embodiment, an X-ray diagnostic apparatus includes an X-ray tube, an X-ray detector, an X-ray filter, signal input unit, and an X-ray filter support unit. The X-ray tube generates X-rays. The X-ray detector detects the X-rays transmitted through a subject. The X-ray filter is arranged between the X-ray tube and the object and having an opening. The X-ray filter support unit supports the X-ray filter so as to make the X-ray filter movable in an imaging axis direction of the X-rays.
Owner:TOSHIBA MEDICAL SYST CORP
Warming therapy device including heated mattress assembly
An apparatus and method for performing warming therapy is described. In one exemplary embodiment, the apparatus includes a patient support assembly and at least one heating element coupled to the patient support assembly, formed of a plurality of heating cells. In another exemplary embodiment, the heating element is formed of a plurality of separate heating segments which may be Individually controlled. In yet another exemplary embodiment, the heating element is coupled to at least one oxygen sensor and a control system for controlling the power applied to the heating element based on the oxygen level measured by the oxygen sensor. The heating element may be made of materials which are X-ray transparent, so that a patient disposed on a heated mattress will not need to be moved from the mattress to have effective X-ray diagnostics performed.
Owner:DRAEGER MEDICAL SYST INC
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