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7619222 Automatic radioactivity analyzer of mixed liquid beta emitter  
The present invention relates to an automatic radioactivity analyzer of mixed liquid beta emitter which comprises: a sample preparation part ( 1, 2, 3, 4, 5, 6 , and 7 ) for extracting a liquid...
7573036 Method and apparatus for processing of detector signals  
A method and an apparatus are disclosed for processing of detector signals, for example in nuclear-medical imaging. In at least one disclosed embodiment, the signals from N photodetectors are...
7541591 Radiation imaging apparatus, system and method as well as program  
An object hereof is to restrain occurrence of artifact in an acquired radiation image with comparatively simple configuration without providing wiring between a radiation source and a radiation...
7531818 Multiple room radiation treatment system  
The present invention refers to a radiation system ( 1 ) comprising an excentric gantry ( 100 ) arranged in connection with multiple treatment rooms ( 61 - 68 ) separated by radiation-shielding...
7511278 Apparatus for detecting particles  
An apparatus for detecting particles, comprising a plurality of electrically conductive structures disposed on a support element. The structures are electrically insulated from one another and each...
7504635 Gamma-ray camera system  
A scintillator crystal ( 26 ) based gamma-ray camera system is described. The gamma-ray camera system includes a spectra processing component for ( 34 ) providing improved energy resolution over...
7502442 X-ray inspection system and method  
An X-ray inspection system in which a thin X-ray absorber is placed upstream of an object under investigation so as to remove low energy X-rays, typically below 0.5 MeV. The absorber may be a sheet...
7462837 Nuclide identifier system  
In a preferred embodiment, a method of identifying nuclides, including the steps of: determining spectral continuum via a peak erosion process to render a residual peak spectrum; filtering a...
7456409 Low noise image data capture for digital radiography  
A low noise digital radiography image capture system employs a two-dimensional array of pixel sites in the image capture panel with each site having an analog-to-digital converter to digitize...
7439515 Pipeline processing of pulse pile-up correction in a nuclear medicine imaging system  
Correction of scintillation event data from a nuclear medicine imaging system for effects of pulse pile-up is carried out by separating event data packets into total energy and individual detector...
7420176 SPECT apparatus  
A SPECT apparatus has a two-dimensional detector that detects radiations from RIs in a patient via a collimator. A correction processing unit corrects plural two-dimensional projection...
7385200 Re-binning method for nuclear medicine imaging devices  
A generalized rebinning method transforms SPECT projection data acquired with a first type of collimator into projection data as if it were acquired with a second type of collimator, for subsequent...
7368722 Method and apparatus for detecting ionizing radiation  
A method for detecting ionizing radiation with the aid of a scintillation counter and a photomultiplier using an inorganic solid-matter scintillator that incorporates at least one decay time...
7345283 Filtered back-projection algorithm for Compton telescopes  
A method for the conversion of Compton camera data into a 2D image of the incident-radiation flux on the celestial sphere includes detecting coincident gamma radiation flux arriving from various...
7304307 PMT signal correlation filter  
A method of generating a filter ( 40 ) for a nuclear medicine system ( 20 ) where the filter selects valid detected radiation events for image processing. A dataset ( 60 ) is provided that is...
7279685 Radiation detector  
The invention is a digital radiation detector utilizing the stable timing functions of a microcontroller or plurality of microcontrolling devices to perform three independent functions. A first...
7279683 Distance measurement apparatus of gamma ray source using multilayered ray detector  
Rays incident upon a plurality of detection plates arranged along a normal direction are detected. A distance between the ray and the ray source is estimated based on the number of counted rays...
7265353 Data acquisition, control, and spectral analysis software for multi-channel analyzers  
A system for detecting and identifying low-level (weak) radioactive sources moving past stationary detectors. The system, which can detect low-level sources moving at speeds of 30 m/s (about 70...
7262416 Gamma camera with dynamic threshold  
A method of locating an event with a gamma camera ( 12 ) of an emission computed tomography (ECT) scanner ( 10 ) is provided. The gamma camera ( 12 ) includes a matrix of sensors ( 22 ) situated to...
7247855 Portable nuclear detector  
A portable nuclear material detector generally includes a scintillating fiber radiation sensor, a light detector, a conditioning circuit, a frequency shift keying (FSK) circuit, a fast Fourier...
7242004 Image correction method, image correction apparatus, and image correction program  
The image correction method according to an embodiment of the present invention includes the steps of: (a) generating an absorption correction map by replacing a CT value of each pixel of a CT...
7238946 Nuclear imaging system using scintillation bar detectors and method for event position calculation using the same  
A gamma camera having a scintillation detector formed of multiple bar detector modules. The bar detector modules in turn are formed of multiple scintillation crystal bars, each being designed to...
7202479 Method for assigning a pulse response to one of a plurality of pulse types with different decay times and device for carrying out said method  
A method for assigning a pulse profile, in particular a pulse profile of a scintillation detector having at least two scintillation materials with different decay characteristics, to one of a...
7199370 Device and method for digitizing gamma ray energy and characterizing peak time and decay time constant without the use of ADC  
A device and method used in high resolution positron emission tomography (PET) systems for digitizing gamma ray energy and characterizing peak time and decay time constant, models a voltage pulse...
7186984 Method for quantifying the radioactivity of living structures of small dimensions by employing emission tomography  
The invention relates to a process of quantification of the radioactivity of living tissue structures by emission tomography to determine the concentration of a radioactive tracer. It includes the...
7164130 Signal enhancement module  
Events of interest are detected within a gamma ray detection system. Characteristics of undesired signals, including a multiplicity of events within the signal, a density of events within the...
7132664 Method and apparatus for improving PET detectors  
The present invention is directed to a system, method and software program product for implementing 3-D Complete-Body-Screening medical imaging which combines the benefits of the functional imaging...
7109490 Method and medical device designed for implementing this method  
A method is for restoring a signal of a defective channel of a beam detector, which has a multitude of channels and by means of which projections are recorded from different directions of...
7102137 Method and apparatus for improving slice to slice resolution by staggering cells in the Z-axis  
The present invention provides a CT detector module with cell summing in the Z-direction and cell staggering in the X-direction. The present invention also provides a method for implementing the...
7094203 Medical imaging apparatus for detection of gamma rays and reflected ultrasonic waves  
Gamma rays obtained from radioisotope administered to an examinee are detected by a gamma ray information-detecting unit so that a first tomographic image obtained therefrom is formed on a CRT....
7095028 Multi-slice flat panel computed tomography  
A method for collecting signals from a detector that has a plurality of lines of image elements includes sending a control signal to a gate driver to select transistor gates for two or more lines...
7045787 Density detection using real time discrete photon counting for fast moving targets  
A system for detecting and graphically displaying a contents of a fast-moving target object comprises: a radiation source, having a position such that at least a portion of radiation emitted from...
7038212 Method and system for normalization of a positron emission tomography system  
A method and system for normalization of a positron emission tomography system is provided. The method includes acquiring three-dimensional normalization scan data from a positron emission...
7026621 System and method for producing a detector position map  
The invention relates to a system and method for generating a detector position map for an array of detectors. The detector position map comprises a map which converts measured position coordinates...
7015477 Filtered backprojection algorithms for compton cameras in nuclear medicine  
The present invention provides methods and apparatuses for constructing observed data from a Compton camera in order to provide a three-dimensional image of a radiopharmaceutical source...
6987270 Method to account for event losses due to positron range in positron emission tomography and assay of positron-emitting isotopes  
A method of quantitative positron emission analysis includes accounting for the loss of positron-electron annihilation events and quantitative inaccuracies in positron emission assays.
6972425 Radiation image radiographing system  
The invention concerns a network system for radiographing radiation images. The network system includes a plurality of radiation-image reading apparatus to read the radiation images stored in...
6956215 Method of localizing a scintillation event in a scintillation camera  
A method of localizing a scintillation event in a scintillation camera is disclosed. The method comprises steps of (a) assuming an ideal situation where the photomultiplier tubes of the camera...
6936822 Method and apparatus to prevent signal pile-up  
Methods and apparatuses for obtaining position and energy information without pileup. Signal integration, which is triggered by a present event, stops when a subsequent event is detected. A...
6900441 Multiple simultaneous acquisition of gamma camera data sets  
A gamma camera system is described in which multiple simultaneous acquisitions are performed based upon different characteristics for event data acquired by a common gantry behavior. The event data...
6897452 Apparatus for irradiating material  
An apparatus ( 1 ) for irradiating material comprises a single UV, pulsed brigth white light or IR lamp ( 2 ) with a centrally disposed receptacle ( 3 ) for containing material to be irradiated....
6852980 On-line DOI rebinning for LSO PET/SPECT spatial resolution  
A method and apparatus for on-line DOI rebinning for LSO PET/SPECT to improve spatial resolution, for use in a hybrid Positron Emission Tomography (PET)/Single Photon Emission Computed Tomography...
6828563 Method for temperature compensation of an image sensor sensitivity  
A method for temperature compensation of sensitivity of an image including photosensitive spots each with a photodiode connected to read circuits. The photosensitive spots are divided into...
6740883 Application of scatter and attenuation correction to emission tomography images using inferred anatomy from atlas  
A method of applying scatter and attenuation correction to emission tomography images of a region of interest of a patient under observation comprises the steps of aligning a three-dimensional...
6728583 User interface for a gamma camera which acquires multiple simultaneous data sets  
A gamma camera system is described having a user interface by which protocols can be set up for the simultaneous acquisition of different views. Pull-down menus prevent the selection of...
6723993 Event localization and fall-off correction by distance-dependent weighting  
A nuclear camera system includes a detector ( 12 ) for receiving radiation from a subject ( 14 ) in an exam region ( 16 ). The detector ( 12 ) includes a scintillation crystal ( 20 ) that converts...
6664543 Continuous sampling and digital integration for PET scintillation  
An apparatus and method for determining the total energy of a continuously under-sampled energy signal resulting from an annihilation event detected by a positron emission tomograph (PET) scanner....
6635878 Gamma camera with automatic adjustment of the energy spectrum  
A nuclear camera system is provided in which the energy spectrum peaks identified by a camera detector head are automatically adjusted to account for drift and other sources of inaccuracy....
6624431 High collection angle short wavelength radiation collimator and focusing optic  
The present invention provides a high gain collimator producing generally uniform intensity profiles for use in lithography and other applications. A focusing optic is also provided. The collimator...
6608311 Image sensor with integrated amplifiers for data acquisition  
An image detector using arrays of photodiodes, and in particular to a radiological image detector. In the image detector, all the photodiodes of one and the same array are linked to adapter...