Class / Patent application number | Description | Number of patent applications / Date published |
378096000 | Exposure timer | 28 |
20080292054 | Device for Measuring Administered Dose in a Target - The present invention relates to a radiation monitoring device | 11-27-2008 |
20090086911 | INSPECTION TOOL FOR RADIOGRAPHIC SYSTEMS - A system for radiographic inspection of an object is provided. The system comprises a radiation source configured to generate radiation, a display unit for generating a graphical user interface (GUI) including multiple fields. A user provides input data via the fields in the GUI. A processor configured to compute a plurality of exposure parameters based on the input data and a control system is configured to initialize the radiation source with the exposure parameters. | 04-02-2009 |
20090122960 | PORTABLE X-RAY DETECTOR UNIT - A portable X-ray detector unit comprising a portable, hand-held cassette ( | 05-14-2009 |
20100239069 | 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. | 09-23-2010 |
20110261930 | METHOD FOR RECORDING AN X-RAY IMAGE AND X-RAY SYSTEM - In order to optimize the recording time, provision is made of a method for recording an X-ray image using an X-ray system with an X-ray detector, an X-ray source, a system control, and a computational unit, wherein information relating to the relative direct radiation component in a reference X-ray image and information relating to the utilized recording geometry and/or the utilized primary X-ray dose and/or the utilized filtering is used to determine a relaxation time, during which a ghosting effect of the X-ray detector resulting from a preceding X-ray image decays at least in part, which relaxation time is adapted to the X-ray image to be recorded, and the determined relaxation time is utilized to actuate the recording of the X-ray image. | 10-27-2011 |
20120134474 | HANDSWITCH QUICK CONNECT EXPOSURE CONTROL - A radiation imaging system includes a radiation detector for detecting radiation emitted from a radiation generator; a quick-connect unit configured to activate the radiation generator to initiate radiation emission and to activate the radiation detector to initiate detection of the radiation; and a notification unit included within the quick-connect unit that is configured to notify an operator of a time when the radiation detector is ready to detect the radiation. The quick-connect unit is connectable to the radiation detector and the radiation generator without having to make hardware modifications therein. In an alternate embodiment, the quick-connect unit is a handswitch to be held by an operator, where the notification unit notifies the operator that the radiation detector is ready to detect the radiation, by emitting at least one of a visual signal, a tactile signal and an audible signal. | 05-31-2012 |
20120163543 | MOBILE X-RAY DEVICE, CONTROL METHOD FOR X-RAY IRRADIATION, AND CONTROL PROGRAM FOR MOBILE X-RAY DEVICE - Provided is an X-ray device which can perform X-ray imaging without an object being subjected to ineffective exposure even when the X-ray imaging is interrupted by the occurrence of an error. | 06-28-2012 |
20130195250 | Touch Screen Control and Method for Controlling a Radiographic Device - Controls and methods of operating a radiographic device facilitate intuitive control of the device. A touch screen may display selectable items and a processor may have a memory for storing one or more routines for performing functions associated with the selectable items. Some of the selectable items may provide projection shortcuts, in which the memory has stored a predetermined set of voltage and exposure time values for a given projection angle and/or patient body type that are accessed and executed by the processor. Other selectable items may be provided that permit discrete, incremental changes in radiographic device settings. | 08-01-2013 |
20140064454 | X-RAY SYSTEM AND METHOD WITH DIGITAL IMAGE ACQUISITION USING A PHOTOVOLTAIC DEVICE - An X-ray imaging system is provided. The X-ray imaging system includes an X-ray radiation source. The X-ray imaging system also includes a source controller coupled to the source and configured to command emission of X-rays for image exposures. The X-ray imaging system further includes a digital X-ray detector configured to acquire X-ray image data without communication from the source controller, wherein the digital X-ray detector includes a photovoltaic device, and the digital X-ray detector is configured to determine one or more of a beginning, end, or duration of an image exposure via the photovoltaic device. | 03-06-2014 |
378097000 | Dose responsive | 19 |
20080292055 | METHOD FOR COMPUTING PATIENT RADIATION DOSE IN COMPUTED TOMOGRAPHY - A system and method are disclosed for computing a radiation dose delivered to a patient during a computed tomography (CT) scan of the patient. The CT image dataset generated during the scan of the patient, and one or more parameters relating to a x-ray source are used to calculate the radiation dose delivered to the patient as a function of the CT image data set and the one or more parameters of the x-ray source. The radiation dose is generally found by calculating a primary x-ray dose distribution and scattered x-ray dose distribution from the CT image dataset and taking the sum of the primary x-ray dose distribution and scattered x-ray dose distribution. | 11-27-2008 |
20080317205 | X-RAY IMAGING APPARATUS AND X-RAY IMAGING METHOD - An X-ray imaging apparatus includes an estimation unit ( | 12-25-2008 |
20090003527 | Indication of Patient Skin Dose in Radiology - The field of the invention is diagnostic and interventional radiology and the invention is a dose indicator for use in a system for performing radiological procedures using ionizing radiation, for indicating a dose of radiation received in an area of skin by a subject during the radiological procedure, in which a zone is displayed which is representative of the extent of the area of skin exposed, and in which is a value of dose is displayed which is associated with the zone. The value of dose is representative of the dose of radiation received in the area of skin exposed during the procedure. The display is easily and quickly understood allowing the user of the system to swiftly understand the skin dose accrued by the patient. The use of zones provides an intuitive display. | 01-01-2009 |
20090010390 | Radiation dosimetry apparatus and method, and dosimeter for use therein - In order to overcome or at least mitigate difficulties in compensating for movement of the target, for example a tumour during radiotherapy, a dosimetry apparatus and method embodying the present invention employ a dosimeter having at least one radiation detector and at least one magnetic position sensor located a predetermined distance apart. Radiation level readings from the radiation detector and position readings from the position sensor are monitored and correlated, conveniently according to time, to obtain the position of the radiation detector when a particular radiation level was detected. | 01-08-2009 |
20090010391 | Radiation Image Capturing System - The present invention relates to a radiation image capturing system. A radiation detector of a radiation detecting cassette detects a radiation that has passed through a patient, and an accumulated exposed radiation dose calculator calculates an accumulated exposed radiation dose by accumulating radiation image information detected by the radiation detector, at every image capturing. The calculated accumulated exposed radiation dose is transmitted, together with cassette ID information, to a console. In the console, a status determining unit compares the accumulated exposed radiation dose with an allowable accumulated exposed radiation dose for the radiation detecting cassette to determine the status of the radiation detecting cassette, and issues a warning based on the determined status. | 01-08-2009 |
20090041190 | Apparatus for Positioning Standing Persons in Order to Take X-Ray Pictures - An apparatus for positioning standing persons to produce X-ray shots comprises a movable frame on which a vertically displaceable standing area is arranged. The standing area has a holding apparatus connected to it which the person can hold onto. To produce optimum positioning in terms of weight too, the standing area has weighing apparatus arranged on it for determining the weight of the person, preferably using two independent weighing sensors for each foot of the person. A description is also given of an apparatus and a method for producing a digital X-ray image, where exposure parameters are calculated on the basis of person-related data and then a plurality of shots are taken sequentially and are subsequently used to compile an overall image. | 02-12-2009 |
20090074143 | X-RAY CT APPARATUS, SCAN PLAN ASSISTANCE APPARATUS AND METHOD FOR SCAN PLAN ASSISTANCE - An X-ray CT apparatus that transmits X-rays toward a subject on the basis of a set scan condition and reconstructs images from detected X-rays that passes through the subject, including a scan plan setting unit configured to set the scan condition, a reference dose storage unit configured to store reference dose information, including an relation between an attribute information about a plurality of kinds of subjects and reference doses to be referenced for an exposure dose, and an exposure dose calculation unit configured to calculate the exposure dose corresponding to the set scan condition in accordance with the timing of setting of the scan condition. | 03-19-2009 |
20090180590 | X-RAY IMAGE APPARATUS AND METHOD OF IMAGING AN OBJECT UNDER EXAMINATION - An X-ray image apparatus ( | 07-16-2009 |
20100091950 | DOSE-REDUCTION DECISION SYSTEM FOR MEDICAL IMAGES - A method of obtaining recommendations for lowered radiation dose for a type of radiological image, executed at least in part by a computer system, obtains at least one clinical image of at least one patient, taken under a baseline set of exposure conditions, as a basis image. Processing instructions related to image simulation under one or more reduced exposure conditions are obtained. The basis image is processed according to the processing instructions to generate a set of one or more simulation images, each simulation image representative of corresponding reduced exposure conditions. One or more simulation images are displayed to one or more diagnostic practitioners and an evaluation obtained from the one or more practitioners related to at least the quality of the one or more simulation images. At least one recommended reduced exposure condition is generated and electronically stored according to the practitioner evaluation. | 04-15-2010 |
20100310048 | STAFF DOSE AWARENESS INDICATION - According to an exemplary embodiment of the invention a dose awareness indication device is provided in which an individual dose is determined on the basis of raw dose measuring data, dose sensor and information data from an examination apparatus, wherein the information data from the examination apparatus relates to the type of examination. Thus, an individualized determination of dose data may be provided, depending on the actual examination process. | 12-09-2010 |
20110249799 | DISPLAY OF AEC SENSOR LOCATION - A method for indicating a position of a radiation energy sensor element in a radiographic imaging system, the method executed at least in part by a computer, identifies the position of the radiation energy sensor element relative to a subject to be imaged and displays the identified position relative to the subject. | 10-13-2011 |
20120069964 | SYSTEM AND METHOD FOR X-RAY INSPECTION - Methods and systems for x-ray inspection are provided. The system can include a source of radiant energy configured so that the radiant energy traverses a scanning volume. The system can further include a filter between the source and the scanning volume, a conveying apparatus configured to impart relative motion between an exposure-limited subject and the scanning volume, a conveyance monitor configured to generate conveyance data reflecting a conveyance state of the exposure-limited subject, a radiant energy sensing apparatus configured to sense radiant energy from the source and to generate source radiant energy data, and a dose controller configured to acquire conveyance data, source radiant energy data, and a signal related to subject dose data, and to generate a measure that a portion of the exposure-limited subject has acquired a dose of radiant energy above a dose threshold. | 03-22-2012 |
20120177184 | Real-Time Dosimetry System, RTDS - Real-Time Dosimetry System, RTDS, is dose measurement system consisting of an ionization chamber and electrometer with the ability to measure, record, and display the high radiation doses required to meet approved standards for sterilization of medical, industrial and food products. | 07-12-2012 |
20130003934 | METHOD FOR OBTAINING AN ITEM OF X-RAY-SPECTRUM INFORMATION ABOUT PIXELS IN A GRID PATTERN - An X-ray detector of conventional design having photodiodes and scintillator material arranged thereon is able, given a suitable read-out frequency matching a low dose to which the flat-panel X-ray detector is subjected, to obtain images during each read-out operation, from which images the energy of individual X-ray quanta can be derived. An item of X-ray-spectrum information about pixels in a grid pattern can be obtained thereby. | 01-03-2013 |
20130083898 | RADIATION IMAGING APPARATUS - A cassette holder of an imaging stand is provided with first and second catch members for catching and holding an electronic cassette from above and below. The first catch member has a multi connector connected to a multi terminal of the electronic cassette. The multi connector is offset with respect to a center line of an imaging surface of the cassette holder. The multi terminal is offset with respect to a center line of an irradiation surface of the electronic cassette in the same direction by the same amount as those of the multi connector. In a state where said electronic cassette mounted on a tray is loaded into the cassette holder, the center line of the irradiation surface coincides with the center line of the imaging surface. | 04-04-2013 |
20140211922 | RADIATION IMAGING SYSTEM AND CONTROL METHOD THEREOF, AND RADIATION IMAGE DETECTING DEVICE - Upon input of a synchronization signal, which indicates a start of an X-ray emission, from a source control unit for controlling an X-ray source, an electronic cassette makes an FPD start an accumulation operation and measurement of an X-ray dose. The electronic cassette and a console command their communicators to stop communication of any signal other than a stop signal, which stops the X-ray emission from the X-ray source, during the accumulation operation of the FPD. As soon as the X-ray dose has reached a predetermined threshold value, the electronic cassette transmits the stop signal to the source control unit through the console. A delay in transmission of the stop signal due to communication congestion or signal collision does not occur, because the electronic cassette and the console stop the communication of the signal other than the stop signal. | 07-31-2014 |
20150078528 | RADIOGRAPHIC IMAGING APPARATUS, METHOD AND SYSTEM - In an X-ray imaging apparatus, a detection panel has monitor pixels for monitoring X-rays. A signal processor samples a dose signal of a dose per unit time of X-rays according to an output of the monitor pixels. A start detector checks whether irradiation of X-rays is started according to a result of comparison between the dose signal and a start threshold. An AEC device acquires cumulative dose from a start time of the start of irradiation of X-rays until acquisition time after a predetermined time according to the dose signal. According to the cumulative dose, a predicted time point of a reach of the cumulative dose to a target dose is estimated. A stop signal is transmitted to a radiation source controller at the predicted time point, to stop the irradiation of X-rays. | 03-19-2015 |
20150131784 | RADIATION IMAGE DETECTING DEVICE, RADIATION IMAGING SYSTEM AND OPERATION METHOD THEREOF - An image detector is disposed behind a grid. The image detector has normal pixels and measurement pixels. Out of a group of measurement pixels based on which an average value of dose measurement signals is calculated, a [C/D] number of measurement pixels are disposed or chosen in a cycle Z=(R×C)±D. Wherein, C represents a cycle of a repetition pattern appearing in an arrangement direction of X-ray transparent layers and X-ray absorbing layers in an X-ray image of the grid, and is represented in units of the number of pixels. R represents a natural number of 0 or more. D represents an integer less than the cycle C. [C/D] represents a maximum integer equal to or less than C/D. Provided that at least the [C/D] number of measurement pixels are shifted C occasions by one pixel, if D=1, the average value of the dose measurement signals is invariable without any variations. | 05-14-2015 |
20150297167 | RADIATION IMAGING APPARATUS AND CONTROL METHOD THEREOF, AND RADIATION IMAGING SYSTEM - An FPD detects an X-ray image of an object. The FPD includes a plurality of pixels arranged in its image capturing field. Each pixel receives X-rays emitted from an X-ray source, and outputs a pixel value in accordance with an X-ray dose applied thereto. A pixel determiner determines a minimum-value pixel out of the pixels based on the pixel values of the pixels. The minimum-value pixel is a pixel whose pixel value is the lowest. The pixel determiner sets the minimum-value pixel as an exposure control pixel. A comparator compares a first integrated value, which is an integrated value of the pixel values of the minimum-value pixel, with a predetermined first threshold value. The comparator performs X-ray emission control such that, when the first integrated value has reached the first threshold value, the X-ray source stops emitting the X-rays. | 10-22-2015 |