Class / Patent application number | Description | Number of patent applications / Date published |
378162000 | AUXILIARY DATA ACQUISITION OR RECORDING | 41 |
20080285720 | Method and device for determining a position of a part of a medical instrument - The invention relates to a method and a device for determining the position of a part of a medical instrument with an x-ray sensitive sensor in a plane of an x-ray image using an x-ray facility having an x-ray beam source and a device, which is assigned to the beam source and influences the x-ray radiation emitted by the x-ray beam source, wherein a spatial region, in which the medical instrument is located, is scanned with x-ray radiation and at the same time x-ray radiation is detected with the x-ray-sensitive sensor with the device for influencing the x-ray radiation rotating at constant speed, the rotation being synchronized to the receipt of signals based on x-ray radiation with the x-ray-sensitive sensor and with the position of the part of the medical instrument in the plane of an x-ray image being determined based on the x-ray radiation detected with the x-ray-sensitive sensor. | 11-20-2008 |
20080317214 | Radiography System with Storage Means for Image Cassettes - The invention relates to a radiography system for computed radiography, comprising an X-ray apparatus ( | 12-25-2008 |
20090238341 | IMAGING SUPPORT DEVICE FOR RADIOGRAPHIC LONG LENGTH IMAGING - An image taking support device for radiographic long length imaging, the image taking support device providing an image of a subject, the image being longer than a length of a maximum field of view of a radiation detector, by combining a plurality of radiographic images each partially overlapping another at the overlapping parts, the device comprising:
| 09-24-2009 |
20090290686 | ARTIFACT REDUCTION SYSTEM AND METHOD FOR RADIOLOGICAL IMAGING SYSTEM - The effects of electromagnetic interference (EMI) on X-ray image data is corrected by characterizing the EMI and processing the image data to subtract the EMI effects from the image data. The X-ray image data, along with offset data, are collected in a conventional manner, affected by EMI if present, and EMI-characterizing data is immediately collected thereafter by disabling rows of a digital detector (FET off). The EMI-characterizing data, then, is not affected by the presence of image data, and can be used to characterize the amplitude and frequency of the EMI. The EMI-characterizing data is assured of being in phase with the collected image and offset data due to its collection in the same image acquisition sequence immediately following the collection of image and offset data. Artifacts due to the presence of EMI are thus eliminated from reconstructed images based upon the corrected data. | 11-26-2009 |
20100061521 | TRANSPARENT FILM FOR ATTACHING MARKERS OR SYMBOLS TO MEDICAL DEVICES OR BODY SURFACE AREAS OF PATIENTS - A transparent film for attaching markers or symbols to medical devices or body surface areas of patients is provided. A first surface of the film is prepared such that it is as smooth and resistant to cleaning agents as possible. The second surface facing the first surface is imprinted with markers or with symbols and is provided with an adhesive layer after the imprinting process. | 03-11-2010 |
20110116605 | Method and Apparatus for Inspection of Materials - A method of and apparatus for obtaining radiation transmission data and especially an image of an object in such manner that allows some data about relative proportions of constituent materials to be derived is described. A radiation source and a radiation detector system able to resolve transmitted intensity across a plurality of frequencies within the spectrum of the source are used to produce transmitted intensity data for each such frequency. Measured data is compared numerically to a mass attenuation data library storing mass attenuation data, individually or collectively, for a small number of expected constituent component materials to fit each intensity data item to the relationship given by the exponential attenuation law: I/I | 05-19-2011 |
20110311030 | C-Arm Rotation Encoding Methods and Apparatus - This invention provides a method for estimating C-ARM fluoroscope rotation pose, and related programmed media and kits. In one embodiment the method includes measuring an angle of the C-arm using an accelerometer affixed to the C-arm, wherein the accelerometer is not moving during the measurement. The method includes generating angle correction equations based on differences between C-arm poses and corresponding accelerometer angles, and optionally generating structural compensation equations to compensate for structural flexion or deformation of the C-arm. | 12-22-2011 |
20120069965 | METHOD FOR POSITIONING AN INSTRUMENT - A method of positioning a surgical instrument is provided which includes mapping a volume adjacent an operating table by taking mapping images from two orientations of a calibration object which includes a 3-dimensional array of radio opaque markers in a known configuration. A patient is positioned on the operating table with a patient target area within a mapped volume, and an instrument holder carrying a known configuration of radio opaque markers positioned adjacent the target area. Further fluoroscopic target images of the target area and instrument holder are obtained from the two orientations and the target area then reconstructed in 3-dimensions by comparing the target images to the mapping images. An instrument holder orientation is then calculated from the reconstruction. | 03-22-2012 |
20130170626 | X-RAY TUBE ARC RIDE THROUGH - A method includes identifying projection data generated during an x-ray tube arc event, determining x-ray tube voltages for data points of the identified projection data, correcting the identified data points based on the determined x-ray tube voltages for the data points, and reconstructing projection data that includes projection data generated during non x-ray tube arc events and the corrected projection data, and a system includes a projection data processor ( | 07-04-2013 |
20160135761 | RESTORING CT SCAN DATA - A method for restoring CT scan data is disclosed. The method may comprise: building a data collecting model with respect to a specific direction of a detector based a response curve of the detector. In some examples, the specific direction can indicate a channel direction and a slice direction of the detector. During a CT scanning, based on the data collecting model, X-ray intensity values detected by the detectors in the specific direction can be acquired. A function can be determined such that it satisfies the data collecting model, a continuity condition and a boundary condition, An X-ray intensity value can be obtained by substituting the coordinate value of a point in the specific direction into the function. | 05-19-2016 |
378163000 | Distance or dimension marker | 13 |
20080240360 | Digital radiograph patient positioning system and method - A technique is disclosed for placing markers on digital radiographic images, such as projection X-ray and tomosynthesis images. A tag encoding data is disposed on or near a component of a radiographic imaging system, such as on a digital detector. The tag is read during an imaging session, and human readable indicia for the marker is generated that can be permanently included in the resulting images or displayed when desired, such as in an overlay. | 10-02-2008 |
20090213995 | Dimensional reference for tomography - A dimensional reference system for tomography, including X-ray computed tomography and MRI tomography. The system includes a dimensional reference apparatus that comprises plurality of spheres composed of a material having an X-ray absorption property between approximately +500 Hounsfield units and +1200 Hounsfield units. The spheres are spaced apart at a known distance by support structure/spacer unit that has an X-ray absorption property between approximately −100 Hounsfield units and +400 Hounsfield units. After an image that incorporates the dimensional reference apparatus and a measurement subject has been reconstructed, the dimensional reference apparatus provides for measurement of the resultant image voxels in three dimensions. Because solid structural elements such as plastic or glass spheres may not be visible in an MRI, an MRI implementation of the apparatus may be disposed in a fluid-tight enclosure along with water, a contrast-enhancing agent and ethanol. | 08-27-2009 |
20090220052 | Portable radiation image converting device - A portable radiation image converting device has: an image data generating unit that is sensitive to radiation, and that generates image data expressing a radiation image manifested by radiation that is transmitted through a subject and is irradiated onto an image-receiving surface; a storage unit storing image data generated by the image data generating unit; and one or more projecting units projecting, to a device exterior, various types of information including a radiation image expressed by image data that is stored in the storage unit. Various types of information including a radiation image that is generated by radiation, that has been transmitted through a subject and irradiated onto an image-receiving surface, and is stored in a memory, are projected to a device exterior by a projecting device. A portable radiation image converting device at which confirmation of a stored radiation image is easy to carry out is thereby provided. | 09-03-2009 |
20090268875 | METHOD FOR REGISTERING A TWO-DIMENSIONAL IMAGE DATA SET, GENERATED USING FAN-SHAPED IMAGING RAYS, IN THE MEDICAL FIELD AND A CORRESPONDING COMPUTER PROGRAM PRODUCT AND METHOD AND SYSTEM FOR AUTOMATICALLY REGISTERING A BODY ON THE BASIS OF TWO-DIMENSIONAL IMAGE DATA, FOR USE IN MEDICAL NAVIGATION SYSTEMS - The present invention relates to a method for registering a two-dimensional image data set, generated using fan-shaped imaging rays, in the medical field, wherein the method comprises: processing the two-dimensional image data on the basis of a spatial transformation function which describes a spatial relative position between points which have been imaged using a fan-shaped imaging ray, and the imaging apparatus used for imaging; and processing the two-dimensional image data on the basis of an imaging transformation function which describes an imaging function of the imaging apparatus used for generating the two-dimensional image data set, which describes a spatial relationship between the actual spatial position of imaged points and their imaging location in a recording. | 10-29-2009 |
20100046718 | ASSIGNING X-RAY MARKERS TO IMAGE MARKERS IMAGED IN THE X-RAY IMAGE - The present application relates to an x-ray marker device comprising an arrangement of x-ray markers, wherein the arrangement defines straight lines which are referred to as device straight lines, wherein at least some of the device straight lines, which are referred to as pyramid straight lines, comprise portions which define edges of at least one pyramid. | 02-25-2010 |
20100091951 | ANATOMICAL MARKER FOR X-RAY ORIENTATION - A radiopaque marker for more effectively orienting a fluoroscopy image to a patient's body position is disclosed. A method for orienting a radiological image with a patient's anatomical position comprises the step of forming a marker with a first side indicator and a second side indicator formed substantially opposite the first side indicator. A device in accordance with the present invention comprises a radiopaque marker comprising a first side indicator, a second side indicator, and a humanoid shape. | 04-15-2010 |
20100135467 | X-RAY CALIBRATION - A method of determining the magnification of an x-ray image of an object, or a portion of an object, comprising:
| 06-03-2010 |
20100278311 | DEVICE AND METHOD FOR SCALING MEDICAL IMAGES - A radiographic image scaling device comprises a mounting unit and a reference object attached to the mounting unit. The reference object has a known actual size and shape and a sufficient radio-opacity to be visibly measurable in a radiographic image. The mounting unit has a radio-opacity that is different than that of the reference object, and a rigid body with at least one curved portion engagable with a surface for receiving a subject. The reference object is attached to a location on the mounting unit body that incremental movement of the mounting unit relative to the surface along the curved portion causes the reference object to incrementally move relative to the surface. Particularly, the reference object can be radio-opaque and the mounting unit can be is radiolucent. | 11-04-2010 |
20130266124 | Magnification Marker for Radiography - An apparatus for a securing a magnification marker to a subject such as a human patient includes an elongated strap that has a length sufficient for surrounding the subject around a region, such as a knee or pelvis, that is to be radiographed. A radiopaque magnification marker of a predetermined size is carried by the strap. Fasteners are included for fastening the strap to itself with the strap in a fastened configuration surrounding the subject, thereby to secure the strap to the subject with the magnification marker adjacent to the region to be radiographed. In one embodiment, the strap is stretchable and configured to allow the fastened strap to slide along the subject to adjust the position of the magnification marker relative to the region. | 10-10-2013 |
20160030133 | REGISTRATION OBJECT, CORRECTION METHOD AND APPARATUS FOR COMPUTED RADIOGRAPHIC TOMOGRAPHY - Disclosed is a registration object for computed radiographic tomography. The object has a body portion defining a void for including at least part of a target object. The registration object comprises one or more relatively radiopaque or relatively radiolucent features. Said feature or features provide, in a suitable proportion of radiographic projections of the registration object with respect to angle about a predetermined axis, a pair of identifiable registration points which are spaced apart in a direction parallel to the predetermined axis by a first distance, and whose positions in that direction are each either a constant or a function only of the angle of the projection about the predetermined axis. Said feature or features define, in the suitable proportion of radiographic projections of the object with respect to angle about a predetermined axis, a pair of identifiable registration points which are spaced apart in a direction perpendicular to the predetermined axis by a second distance whose positions in that direction are each either a constant or a continuous function only of the angle of the projection about the predetermined axis. The suitable proportion can be substantially all or all radiographic projections. Also disclosed are a method, an apparatus, a storage medium and a signal for correcting computerised radiographic tomography data, optionally using such an object. | 02-04-2016 |
20160069824 | Nonaqueous Radiopaque Fluid and Associated Imaging System and Method - An imaging system including an imaging device having a field of view, an object positioned in the field of view, the object defining a void, and a nonaqueous radiopaque fluid in the void. | 03-10-2016 |
378164000 | Coordinate grid | 2 |
20160019994 | High Density Grids - An X-ray data collection grid device is provided that includes a magnetic base that is compatible with robotic sample mounting systems used at synchrotron beamlines, a grid element fixedly attached to the magnetic base, where the grid element includes at least one sealable sample window disposed through a planar synchrotron-compatible material, where the planar synchrotron-compatible material includes at least one automated X-ray positioning and fluid handling robot fiducial mark. | 01-21-2016 |
20220133250 | X-Ray Image Detector Holder and Mounting Device and Method for Commercial X-Ray Applications - A device for attaching an x-ray image detector holder to a commercial structure such as a pipe so that the modern digital image detector can be used in analysis and inspection. The x-ray image detector holder attach device is constructed to be attached to a structure and can include a flat image detector holder part, the image detector holder part having at least one peripheral slot; a structure contact part constructed to be strapped to a structure to be x-rayed, the structure contact part having a key sized to mate with the peripheral slot, the key having a lock constructed to hold the key in the peripheral slot; the structure contact part can be a means to attach it to the structure to be x-rayed such as a strap or suction cups. | 05-05-2022 |
378165000 | Patient or exposure data | 18 |
20080240361 | Registering device for registering an object by x-rays as a funtion of a body signal and associated method - The invention relates to a registering device for registering an object in at least two dimensions featuring an x-ray transmitter and a detector for the x-rays arranged in a registering plane. The registering device also features a positioning device connected to the detector and the transmitter in such a way that the detector can register x-rays which are transmitted through the object onto the registering plane in differing spatial orientations of the projection axis. The registering device comprises an image reproduction unit to reproduce the data set and an input for a body signal representing an organ movement of the object. The registering device associatively moves the x-ray transmitter or the detector as a function of the body signal so that the projection axis follows the organ movement. | 10-02-2008 |
20080273665 | Adjustable Radiographic Marker and Calibration Aid - A device and method to accurately measure the anatomy of a patient undergoing a radiographic procedure, utilizing a sphere of known dimensions attached to a flexible member, wherein the sphere is manipulated into the correct position and remains stationary during the procedure. | 11-06-2008 |
20090028298 | Radiation image capturing method, radiation image capturing system and radiation information system for carrying out radiation image capturing method - A radiation image capturing method, a radiation image capturing system, and a radiation information system are provided. In the present invention, a console checks a cassette ID (specified cassette ID) sent from an RIS server as the cassette ID of a radiation detecting cassette that is planned to be used to capture a radiation image, and a cassette ID (actual cassette ID) that is read by the console from a radiation detecting cassette which is placed in an operating room or an image capturing room and which is to be actually used to capture a radiation image, with each other. Based on the result of the cassette ID check, the console determines whether to permit a radiation image to be captured or not. | 01-29-2009 |
20090086924 | RADIOGRAPHIC MARKER FOR INCLINATION ANGLE - A radiography marker for indicating the inclination angle of a radiography receiver has a plate portion defining at least one area transparent to radiation and an angle indicator element attached to the plate portion at a pivot point and adjustable along the plate portion to any of a plurality of angular positions over at least a portion of the at least one area transparent to radiation. At least a portion of the indicator element is radio-opaque. | 04-02-2009 |
20100215151 | X-RAY SYSTEM HAVING A DAP MEASUREMENT CHAMBER - An improved x-ray system having a DAP measurement chamber is provided. An x-ray system has a radiation path, which extends between an x-ray radiation source and a detector. A beam splitter is arranged in the radiation path, the beam splitter being used to inject visible light into the radiation path. The DAP measurement chamber is arranged in the radiation path between the x-ray radiation source and the beam splitter. An improved collimator having a DAP measurement chamber is also provided. | 08-26-2010 |
20100329430 | ACTUAL SKIN INPUT DOSE RATE COMPUTING DEVICE AND METHOD AND X-RAY MACHINE - An actual skin input dose rate computing device includes a distance sensor disposed in a direction directly opposite to said subject and close to the center of an X-ray beam but not within said X-ray beam and an angle sensor disposed at said X-ray source as well as a computing unit. | 12-30-2010 |
20110051901 | METHOD AND APPARATUS FOR DETERMINING ONE OR MORE CHARACTERISTICS OF RADIATION - The present invention relates to a device and method for determining one or more characteristics of radiation using a sensor comprising one or more detector units capable of counting the number of photon or charged particle of said radiation impinging on said sensor in or above a determined energy range. | 03-03-2011 |
20110243308 | RECOGNITION DEVICE FOR SAFELY INDENTIFYING THE LEFT OR RIGHT PORTION IN RADIOLOGIC EXAMINATION - The invention discloses a recognition device for safely indentifying a left or right portion in a radiologic examination, comprising a plurality of puzzle pieces and a plurality of labels. Every puzzle piece comprises a pattern, and the pattern can be one portion of a picture corresponding to an organism to be analyzed. The portion can comprise a left anatomical portion or a right anatomical portion. Each label is respectively disposed in each the puzzle pieces or on the surface thereof. When the plurality of puzzle pieces are irradiated by X-ray, the outline of each of the positions or labels is developed on a film. | 10-06-2011 |
20120195408 | METHOD FOR ESTIMATING A RADIATION DOSE OF AN X-RAY - The present embodiments specify a method and an associated X-ray facility for estimating a radiation dose of an X-ray that is generated by an X-ray source and penetrates an object under examination. First dose values of the X-ray are determined by measurement in an automatic exposure control chamber. A second dose value is determined by estimating the radiation dose that is emitted by an X-ray source in a dead time of the automatic exposure control chamber. The estimated radiation dose is determined by the first dose value and the second dose value last determined being added. The second dose value represents a correction value for a non-measurable dose during the dead time of the automatic exposure control chamber that is taken into account when determining the estimated radiation dose. | 08-02-2012 |
20120219119 | RADIATION IMAGING SYSTEM, METHOD FOR CONTROLLING THE SYSTEM, AND COMPUTER-READABLE MEDIUM STORING PROGRAM THEREFOR - A radiation imaging system for applying radiation photography to a patient based on contents of an examination request includes: an image capturing method storage unit configured to prestore at least one image capturing method; a patient information input unit configured to input patient information of the patient subjected to an examination based on the examination request; an extraction unit configured to extract an applicable image capturing method from the image capturing method storage unit based on information accompanying the patient information and examination information; a list display unit configured to display an image capturing method extracted by the extraction unit in list form; and a registration unit configured to, by specifying an image capturing method displayed in the list display unit, register the specified image capturing method as imaging information. | 08-30-2012 |
20130243165 | SYSTEM AND METHOD OF REMOTE REPORTING OF RADIATION DOSE USAGE IN IMAGE ACQUISITION - A system and method to manage direction of an ionizing radiation toward an exposed subject is provided. The system can perform receiving a request from a customer to establish an internet connection to communicate between a remote office and the system directing the ionizing radiation toward the exposed subject; automatically communicating a status information and individual dose data associated with an event where direction of ionizing radiation that exceeds a threshold; automatically creating and communicating a report via the internet connection to the customer. The report can include an indication of the event where direction of ionizing radiation exceeds the threshold and a comparison of the individual radiation dose data and an individual status operation of system at time of the event relative to a benchmark defined by radiation dose data and status information acquired from a population of other systems. | 09-19-2013 |
20140093049 | DYNAMIC/ADAPTIVE TREATMENT PLANNING FOR RADIATION THERAPY - A facility for facilitating custom radiation treatment planning is described. During a distinguished radiation treatment session for a patient, the facility collects data indicating positioning of a predefined treatment site of the patient relative to a target treatment location throughout the distinguished radiation treatment session. The facility associates the collected positioning data with data describing one or more other aspects of the distinguished radiation treatment session. The facility provides the associated data to a treatment planning facility to determine a treatment plan for future radiation treatment sessions for the patient. | 04-03-2014 |
20140112454 | RADIOGRAPHIC MARKER THAT DISPLAYS AN ANGLE IN DEGREES ON PORTABLE X-RAYS - The present invention provides methods/techniques and apparatus for displaying an angulation of a cassette and thus a patient at a time when an x-ray image is taken to provide for a better comparison of day to day improvement of the patient. More specifically, the present invention, allows a movable object to roll freely within in a passageway within an enclosure in relation to an angulation of a cassette. In order to correlate the position of the movable object in the enclosure with the angle at which the cassette is currently placed, a plurality of markers are disposed in or protruded from the inner surface of the passageway. Based upon the position of the movable object in relation to a particular marker at the time an x-ray is taken, the user can identify the angulation at which the cassette is currently positioned. | 04-24-2014 |
20150023474 | MEDICAL INFORMATION MANAGEMENT APPARATUS, MEDICAL INFORMATION MANAGEMENT METHOD, AND MEDICAL SYSTEM - According to one embodiment, a medical information management apparatus includes an examination information acquisition unit acquiring examination information including an irradiation condition, an imaging region and an exposure dose for each examination on the imaging region, an archiving unit archiving an exposure dose calculation target region classified more detailed than the imaging region and a weight coefficient corresponding to the exposure dose calculation target region in association with the irradiation condition and the imaging region, a weight coefficient acquisition unit acquiring a weight coefficient corresponding to the exposure dose calculation target region based on the irradiation condition acquired by the examination information acquisition unit and the exposure dose calculation target region archived in the archiving unit, and a calculation unit calculating an exposure dose at the exposure dose calculation target region by using an exposure dose for each examination and the weight coefficient. | 01-22-2015 |
20160007942 | METHOD FOR SETTING SCANNING PROTOCOL AND APPARATUS THEREOF | 01-14-2016 |
20160081648 | IMAGE ANALYSIS DEVICE, IMAGE ANALYSIS METHOD, AND PROGRAM - In an image analysis device, an image analysis method, and a non-transitory computer-readable recording medium, it is determined whether a radiographic image is captured by rocking a rocking imaging grid. The image analysis device includes: a radiographic image acquisition section; a dosage data acquisition section that acquires dosage data indicating, in a time-series manner, a dosage of radiation rays exposed to a specific position in an imaging area in a specific period; and a determining section that determines whether the dosage data has a first feature indicating a dosage variation as a plurality of radiation absorbing bodies and a radiation transmitting body disposed between adjacent radiation absorbing bodies pass through a space between the specific position and a radiation source, and determines that the radiographic image corresponding to the dosage data determined to have the first feature is a rocking grid use image captured by rocking a rocking imaging grid. | 03-24-2016 |
20160136459 | TIME-RESOLVED PRE-TREATMENT PORTAL DOSIMETRY SYSTEMS, DEVICES, AND METHODS - Systems, devices, and methods for pre-treatment verification of radiation dose delivery in arc-based radiation therapy devices using a time-dependent gamma evaluation method. | 05-19-2016 |
20160136460 | SYSTEMS, METHODS, AND DEVICES FOR REAL-TIME TREATMENT VERIFICATION USING AN ELECTRONIC PORTAL IMAGING DEVICE - A radiation dose received by a patient from a radiation therapy system can be verified by acquiring a cine stream of image frames from an electronic portal imaging device (EPID) that is arranged to detect radiation exiting the patient during irradiation. The cine stream of EPID image frames can be processed in real-time to form exit images providing absolute dose measurements at the EPID (dose-to-water values), which is representative of the characteristics of the radiation received by the patient. Compliance with predetermined characteristics for the field can be determined during treatment by periodically comparing the absolute dose measurements with the predetermined characteristics, which can include a predicted total dose in the field after full treatment and/or a complete irradiation area outline (CIAO). The system operator can be alerted or the irradiation automatically stopped when non-compliance is detected. | 05-19-2016 |