| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 250363030 |
With positron source
| 96 |
| 250363040 |
Emission tomography
| 71 |
| 250363100 |
With a collimator
| 19 |
| 250363060 |
Using coded aperture
| 6 |
| 250363080 |
With detector support | 5 |
| 20080224051 | Multi-axis moveable gantry gamma camera - A multiaxis gantry camera has additional axes of movement that allow unexpected functions. A first function allowed the collimator is to be exchanged while maintaining them in a configuration that saves space. The device can also be used to calibrate in a space-saving configuration. Different turning configurations can be allowed to change the orientation over which scanning is conducted. | 09-18-2008 |
| 20090189081 | Cradle for use with radiation conversion device - A cradle for use with a radiation conversion device includes a cradle for carrying out charging of a radiation conversion device, which is disposed in the vicinity of an image capturing apparatus for capturing a radiation image of a subject, and which detects radiation that has passed through the subject and converts the radiation into image information. The cradle is equipped with a charging processor for carrying out charging with respect to a battery mounted in the radiation conversion device, an information acquiring section for acquiring information that includes subject information pertaining to the subject and includes image capturing conditions when the image information of the subject is captured, and a display unit for displaying the acquired information. | 07-30-2009 |
| 20100072379 | Radiation detecting apparatus and radiation image capturing system - A radiation detecting apparatus includes a flexible radiation conversion panel for detecting radiation that has passed through a subject and converting the detected radiation into radiation image information, and grips disposed on ends of the radiation conversion panel. A hardness of the grips is greater than that of the radiation conversion panel. Holes are formed in the grips for enabling the grips to be gripped. | 03-25-2010 |
| 20150021489 | Radiation Detector System and Method - A radiation detector system/method that simultaneously detects alpha/beta, beta/gamma, or alpha/beta/gamma radiation within an integrated detector is disclosed. The system incorporates a photomultiplier tube with radiation scintillation materials to detect alpha/beta/gamma radiation. The photomultiplier tube output is then shape amplified and fed through discriminators to detect the individual radiation types. The discriminator outputs are fed to an anti-coincidence and pulse width and timing analysis module that determines whether individual alpha/beta/gamma pulses are valid and should be counted by corresponding alpha/beta/gamma pulse radiation counters. The system may include a radiation detection method to affect alpha/beta/gamma radiation detection in a variety of contexts. The system/method may be implemented in a variety of applications, including but not limited to whole body radiation contamination detectors, laundry radiation scanners, tool/article radiation detectors, and the like. | 01-22-2015 |
| 20150306427 | DOSE DISTRIBUTION MEASUREMENT DEVICE - A dose distribution measurement device includes at least two cameras arranged on a plane perpendicular to the center axis of irradiation of a water phantom with a particle beam so as to take an image of light emission of a fluorescent substance containing liquid in the water phantom and a dose distribution calculation and evaluation unit having a spot position determination part for determining, from data of the camera image taken with the cameras, the position of a spot Irradiated with the particle beam during its staying and a dose addition part for calculating an irradiation dose distribution at the spot position determined by the spot position determination part using a PDD and an OCR stored in a pencil-beam dose-distribution data storage part, to add the irradiation dose distribution at each of spot positions. | 10-29-2015 |
| 250363090 |
With calibration | 3 |
| 20080217541 | CT GANTRY MOUNTED RADIOACTIVE SOURCE LOADER FOR PET CALIBRATION - A medical imaging system is provided including a positron emission tomography (PET) imaging apparatus and a computed tomography (CT) imaging apparatus. The CT imaging apparatus includes a rotatable gantry. A radioactive source loader is attached to the rotatable gantry to rotate therewith. The radioactive source loader further includes a radioactive source to calibrate the PET imaging apparatus. | 09-11-2008 |
| 20080265167 | ACHIEVING ACCURATE TIME-OF-FLIGHT CALIBRATIONS WITH A STATIONARY COINCIDENCE POINT SOURCE - A method for calibrating an imaging system includes coincident detecting scatter radiation events from a calibration source located within a bore of the imaging system. The scatter radiation events are subsequently used to compute calibration time offsets for each detector channel in the imaging system. Each detector channel is then calibrated with respective calibration time adjustments. | 10-30-2008 |
| 20090114827 | Method for stabilizing the gain of a pet detection system - A method is disclosed for stabilizing the gain of a PET detection system with a cooling unit. The method includes determining the temperature of at least one component of the PET detection system, comparing the actual gain with a reference value, and actuating the cooling unit to influence the temperature such that the gain tends to the reference value. In at least one embodiment, the reference value is determined by determining the temperature of the at least one component during a test measurement, determining the gain during the test measurement, determining a functional dependence of the gain on the temperature, and selecting the reference value based on the gain to be stabilized. Advantageously, in at least one embodiment the gain can be kept constant using the described method in a simple manner, with the influence of the temperature of the components being taken into account. | 05-07-2009 |
| 250363070 |
With distortion correction | 2 |
| 20080277587 | METHOD AND APPARATUS FOR CORRECTING SCATTERING IN SPECT IMAGING - A method and apparatus for correcting scattering in SPECT I-123 imaging. The method generally includes: accessing list mode data for a plurality of pixels corresponding to a first SPECT I-123 image generated using a gamma camera; generating a raw energy spectrum for at least some of the pixels utilizing the acquired list mode data; acquiring a gamma camera model corresponding to the gamma camera; utilizing the gamma camera model and an iterative algorithm to apply a first scattering correction to the raw energy spectrum; utilizing a Compton window to apply a second scattering correction to the raw energy spectrum; and generating a correction table with the corrected raw energy spectrum. | 11-13-2008 |
| 20100282974 | NUCLEAR MEDICAL DIAGNOSIS APPARATUS - A PET apparatus comprises a plurality of detector units in the circumferential direction, wherein the detector unit includes a plurality of unit substrates therein, and wherein the unit substrate includes: a plurality of detectors upon which a γ-ray is incident; and an analog ASIC and digital ASIC for processing a γ-ray detection signal outputted by each of the detectors. The analog ASIC includes two slow systems having mutually different time constants, each of which outputs a pulseheight value. A noise determination part of the digital ASIC determines whether a relevant detection signal is an intended γ-ray detection signal or a noise based on a correlation between the pulseheight values, and a noise counting part counts the number of times of noise determination, and a detector output signal processing control part controls the signal processing with respect to an output signal from a relevant detector based on the count. | 11-11-2010 |
| Entries |
| Document | Title | Date |
|---|
| 20080230702 | Radioimaging - Radioimaging methods, devices and radiopharmaceuticals therefor. | 09-25-2008 |
| 20080296504 | Method and Apparatus for Radiation Imaging - This invention relates to a method and an apparatus, primarily a radiation imaging apparatus and an array of coded aperture masks, for use in diagnostic nuclear medicine. The coded aperture masks are fitted with radiation attenuation tubes, each of which extends from each side of the mask in the direction of the mask apertures. The tubes are made from lead and have parallel sides. The masks are configured for gamma ray usage and are made from tungsten having a thickness of between 1 and 2 mm. | 12-04-2008 |
| 20090078874 | Computed radiography system for mammography - A computed radiography system including a stimulating light source such as a laser, a photostimulable glass imaging plate (PGIP) substantially transparent to the stimulating light positioned such that the stimulating light impinges the PGIP perpendicularly thereto producing photostimulated luminescence light (PLL), a light collector having a light reflecting inner surface proximate the PGIP for collecting PLL emitted from the PGIP and having a hole or slot therein for admitting stimulating light into the light collector and onto the PGIP. An optical filter in communication with the light collector for blocking stimulating light waves and passing PLL therethrough. A light detector receives PLL from the optical filter and the light collector, mechanism providing relative movement between the PGIP and the stimulating light source, and mechanism including an analog to digital converter for converting the collected and detected PLL to a diagnostic readout. The system is particularly useful in mammography. | 03-26-2009 |
| 20090114824 | MASK FOR CODED APERTURE SYSTEMS - A detector for identification and localization of radioisotopes, comprising a position sensitive detector configured to observe the location of emitted high energy radiation, wherein the position sensitive detector comprises a surface comprised of a first radiation sensitive material; and an active mask disposed in front of the position sensitive detector positioned such that the emitted high energy radiation is detected by the position sensitive detector after passage through the mask, wherein the mask comprises a second radiation sensitive material. | 05-07-2009 |
| 20090114825 | Gamma Image Detection Device - The invention provides a detection device and a method of making a gamma detection image. | 05-07-2009 |
| 20090212224 | Nuclear imaging scanner with event position-identifying accelerometers - A nuclear medical imaging system has one or more detector units arranged around or that can be swept around a patient bed. Each of the detector units includes an angular orientation-sensing accelerometer. By determining angular orientation of the detector from signals outputted by the accelerometer, the circumferential position of the detector relative to the patient bed can be determined. That information is used in conjunction with information about detected events to construct an image of an organ or tissue mass of interest. | 08-27-2009 |
| 20100059683 | OPTIMIZING THE DESIGN OF A FLAT PANEL IMAGING DETECTOR UNIT - An apparatus including a scintillator panel including a first detector region having a first detecting quality to radiation occupying a first area of the scintillator panel and a second detector region having a second detecting quality to radiation different than the first detecting quality occupying a second area of the scintillator panel; and a light detector coupled to the scintillator panel to photoelectrically convert light generated by the scintillator panel. | 03-11-2010 |
| 20100072378 | Method and apparatus for photographing "small" x-ray scintillation images at the same("full") camera resolution normally available for "large" scintillation images - Unused camera pixel locations are recovered when shifting from photographing an x-ray scintillation image of a larger subject to that of a substantially smaller one by using a suitably shorter optical path combined with appropriate changes in focus. The optical path for large subjects involves a first mirror followed by a second mirror. The camera receives light from the second mirror, and is in a fixed and unchanging physical relationship to that second mirror, forming a unitary mirror-camera assembly. To shorten the optical path that unitary assembly is rotated about an axis from a position where it was in the optical path downstream from the first mirror to one where the second mirror is interposed between the scintillation screen and the first mirror, and also such that the camera looks in a different direction along the shortened optical path length. Focus adjustment to accommodate the different optical paths may be accomplished by changing the spacing of elements internal to the lens, or, the entire lens assembly can be moved a bit closer to or further away from the camera body. The scintillation image may be replaced with a glass plate carrying a document illuminated from within a housing carrying the unitary mirror-camera assembly. | 03-25-2010 |
| 20100148076 | Radiographic image capturing system - When a first image capturing apparatus installed in an image capturing room is selected and a power supply switch of a radiation converter used in the first image capturing apparatus is turned on, a controller generates an image capturing apparatus identification signal for specifying the image capturing apparatus, and sends the identification signal together with ID information of the selected image capturing apparatus stored in an ID memory to a console in the image capturing room via a transceiver by wireless communications. The console reads image capturing conditions for the selected image capturing apparatus from an image capturing condition storage unit, and supplies the conditions to a radiation generator for recording a radiographic image in the radiation converter. The radiation generator controls a radiation source according to the supplied conditions to emit radiation for recording a desired radiographic image on a radiation conversion panel of the radiation converter. | 06-17-2010 |
| 20100148077 | ELECTRONIC CASSETTE TYPE OF RADIATION DETECTION APPARATUS - An electronic cassette type of radiation detection apparatus having a sensor array including a plurality of sensors for detecting incident radiation has a connecting portion to which detachable additional function modules are connected. A selection unit is provided for changing a radiographing mode from a still image radiographing mode and a moving image radiographing mode into a selectable state in response to a connection of at least one of the additional function modules changes. | 06-17-2010 |
| 20100176301 | HIGH RESOLUTION MEDICAL IMAGING DETECTOR - A detector arrangement providing imaging information at the edge of the scintillator is provided. The detector arrangement provides complete information and improved spatial resolution. SiPMs can be used in place of PMTs in order to provide the geometrical coverage of the scintillator and improved spatial resolution. With such detector arrangements, the spatial resolution can be under 2 mm. Furthermore, the overall thickness of the detector can be substantially reduced and depth of interaction resolution is also improved. | 07-15-2010 |
| 20100252742 | MULTI-LAYERED DETECTOR SYSTEM FOR HIGH RESOLUTION COMPUTED TOMOGRAPHY - X-ray detector system with improved spatial resolution for a computed tomography systems is provided. The detector system may include pairs of first and second detector arrays, with each array containing detector elements of a different design. In one embodiment, the first array may comprise a first, relatively thin and continuous (i.e., monolithic) scintillation layer with an array of individual diodes positioned to receive light generated within the scintillation layer. The second array may comprise a second, relatively thick scintillation layer formed of separate scintillator elements. An array of diodes may be positioned to receive radiation from the scintillation layer such that each diode element is aligned to primarily receive radiation from one scintillator element in the layer. The structural arrangements of the detector system may also be adapted for applications involving direct conversion of x-ray energy. | 10-07-2010 |
| 20100308227 | RADIATION DETECTOR AND TOMOGRAPHY EQUIPMENT PROVIDED WITH THE SAME - In a scintillator of a radiation detector according to this invention, first reflectors provided in first scintillation counter crystal layer adjacent to one another have gaps wider than first reflectors provided in second scintillation counter crystal layer such that an overall width of the first reflectors in the first scintillation counter crystal layer in an arranging direction is identical to an overall width of the first reflectors in the second scintillation counter crystal layer in an arranging direction. Such construction improves spatial resolution at a side end of the scintillator. | 12-09-2010 |
| 20110024637 | OPEN-TYPE PET SCANNER - In an open-type PET scanner, detector rings arranged in a multilayered manner in an axial direction are at least partially opened and the thus opened part of the detector rings is at least partially included in a main focus region. Then, at least some of the detecting elements constituting the detector ring are disposed obliquely in the axial direction so that the main sensitivity direction thereof is turned closer to the main focus region, increasing the resolution in the main focus region. Thereby, it is possible to retain resolution in the body axis direction without using a high-resolution DOI detector and to reduce the price of the open-type PET scanner. | 02-03-2011 |
| 20110031406 | X-RAY DETECTOR AND METHOD FOR PRODUCING AN X-RAY DETECTOR - An X-ray detector for a tomography device is disclosed, including a plurality of detector elements, each including a photodiode and a scintillator fixed to the optically active surface of the photodiode by a connecting medium. In at least one embodiment, the optically active surface of the photodiode has a nanostructure, which forms a transition region having gradually progressing refractive indices between a refractive index of the connecting medium and a refractive index of the photodiode. Reflections at the optical transition of connecting medium/photodiode and also optical crosstalk to adjacent detector elements are greatly reduced in this way. Such an X-ray detector therefore has a higher luminous efficiency, with which a signal-to-noise ratio and a spatial resolution of the X-ray detector are improved. At least one embodiment of the invention additionally relates to a method for producing an X-ray detector having the properties mentioned. | 02-10-2011 |
| 20120001077 | RADIATION TOMOGRAPHY APPARATUS - This invention has one object is to provide radiation tomography apparatus that allows production with low price through suppression in number of radiation detectors to be mounted. One of the detector rings in this invention is a first detector ring having a sufficient internal diameter to introduce shoulders of the subject M, and the other is a second detector ring having a smaller internal diameter than the first detector ring. In so doing, the radiation detectors forming the detector ring may be suppressed in number, which may provide radiation tomography apparatus of low price. Moreover, a smaller diameter of the detector ring may result in improved spatial resolution and detection sensitivity of radiation. | 01-05-2012 |
| 20120032086 | HAND-HELD GAMMA RAY SCANNER - A hand held gamma ray scanner comprises a one dimensional array of SSPM detectors coupled to a scintillator slab or an array of scintillators. A position tracker is attached to this “scanner” enabling software in a support system to acquire the position of the scanner, as well as 1-D images of the distribution of gamma rays received from radiation labeled tissue and generate an output signal in real time. | 02-09-2012 |
| 20130341516 | RADIATION DETECTION APPARATUS, METHOD OF MANUFACTURING THE SAME, AND IMAGING SYSTEM - A radiation detection apparatus comprises a sensor panel including a plurality of sensor units which detect radiation and are arrayed, each of the plurality of sensor units comprising a pixel array including a plurality of pixels which detect light and are two-dimensionally arranged, a scintillator layer which converts radiation into light, and a first scintillator protective layer disposed to cover the scintillator layer, and the radiation detection apparatus further comprising a second scintillator protective layer disposed to cover the plurality of sensor units. | 12-26-2013 |
| 20130341517 | RADIATION DETECTION APPARATUS AND IMAGING SYSTEM - A radiation detection apparatus, comprising a housing including a first plate portion and a second plate portion arranged to face each other, a scintillator configured to convert a radiation into light, supported by a supporting portion arranged in a side of the second plate portion in the housing, a sensor panel including a sensor array in which a plurality of sensors for detecting light are arrayed, interposed between the scintillator and the first plate portion in the housing, and a member interposed between the first plate portion and the sensor panel in the housing, wherein the sensor panel is arranged to position an outer edge of the sensor panel outside an outer edge of the scintillator, and the member is arranged to position an outer edge of the member inside the outer edge of the scintillator. | 12-26-2013 |
| 20140054467 | RADIATION IMAGING APPARATUS AND RADIATION IMAGING SYSTEM - A radiation imaging apparatus comprising a plurality of sensor units each including a plurality of photoelectric converters, a substrate configured to support the plurality of sensor units, and a scintillator, wherein the scintillator comprises scintillator grains configured to convert radiation into light and a binder configured to make the scintillator grains adhere to each other, and the scintillator includes first portions provided between the plurality of sensor units and a second portion provided on the plurality of sensor units and the substrate. | 02-27-2014 |
| 20140061485 | RADIATION IMAGING APPARATUS, METHOD FOR MANUFACTURING THE SAME, AND RADIATION IMAGING SYSTEM - A radiation imaging apparatus, comprising a sensor panel including a sensor array, a scintillator layer disposed on the sensor panel so as to cover the sensor array, and a housing having a side wall facing a side surface of the sensor panel and containing the sensor panel and the scintillator layer, wherein the scintillator layer protrudes, at at least one side of the sensor panel, from the side toward the side wall. | 03-06-2014 |
| 20150014545 | METHOD AND SYSTEM FOR SYNCHRONIZING POSITRON EMISSION TOMOGRAPHY (PET) DETECTOR MODULES - A detector module ( | 01-15-2015 |
| 20160183891 | APPARATUS AND METHOD FOR MULTI-MODAL IMAGING - An imaging system and method for imaging an immobilized object. The imaging system includes a support member adapted to receive the object in an immobilized state. The system also includes means for imaging the immobilized object in various imaging modes to capture images of the object. The imaging system further includes a movable phosphor screen. The phosphor screen is adapted to be movable without moving the immobilized object and support member. | 06-30-2016 |
