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7391027 3D image reconstructing method for a positron CT apparatus, and positron CT apparatus  
Image quality deterioration due to a drop in resolution or lowering of S/N ratio while reducing the amount of data stored during a 3D data acquisition process, and shortening the time from the...
7388209 Target density imaging using discrete photon counting to produce high-resolution radiographic images  
The present invention relates to a system and method for using discrete photon counting to produce transmission radiographic images of a target object with improved spatial resolution and high...
7381961 Multi-small field-of-view detector head SPECT system that scans over 360Å  
A multiheaded camera which is formed with a number of heads on one support structure and a different support structure with other heads. At least one of the heads is movable, so that the patient...
7381960 Imaging system and method for the non-pure positron emission tomography  
Disclosed is an imaging system and method for the non-pure positron emission tomography (NPET). The NPET comprises a PET subsystem to detect the annihilated photons, and a SPECT subsystem to detect...
7381959 Technique for reconstructing PET scan images  
The invention is directed to a technique for reconstructing PET scan images. According to one embodiment, the invention relates to a method for reconstructing PET scan images. The method comprises:...
7381958 Lanthanum halide scintillators for time-of-flight 3-D pet  
A Lanthanum Halide scintillator (for example LaCl 3 and LaBr 3 ) with fast decay time and good timing resolution, as well as high light output and good energy resolution, is used in the design of...
7378661 Asymmetrical positron emission tomograph detectors  
An apparatus for detecting a greater number of lines of response (LOR) within a subset of azimuthal angles of a positron emission tomography scanner. In a positron emission tomography (PET)...
7368720 Collimators for an array of radioactive lines for use on a spect system for non-uniform attenuation correction measurements  
According to the present invention, an improved source collimator for use in nuclear medicine imaging is provided. The improved source collimator utilizes a larger collimation angle than has...
7342232 Device and method for digitizing pet radiation events  
A device and method used in the high resolution Positron Emission Tomography (PET) systems for digitizing radiation events for a scintillation camera and a data acquisition system. The device...
7342231 Detection of coincident radiations in a single transducer by pulse shape analysis  
Pulse shape analysis determines if two radiations are in coincidence. A transducer is provided that, when it absorbs the first radiation produces an output pulse that is characterized by a shorter...
7329874 Lu1-xI3:Cex-a scintillator for gamma-ray spectroscopy and time-of-flight pet  
The present invention includes very fast scintillator materials including lutetium iodide doped with Cerium (Lu 1-x I 3 :Ce x ; LuI 3 :Ce). The LuI 3 scintillator material has surprisingly good...
7329873 Coincidence counting method of γ ray and nuclear medicine diagnostic apparatus  
A γ-ray signal processing section 60 ′ determines a detection time of a γ ray based on a γ-ray detection signal outputted from a semiconductor radiation detector for detecting the γ ray, and...
7323689 Attenuation correction in nuclear medicine studies by simultaneous transmission and emission data measurement and estimation of emission-to-transmission crosstalk  
Attenuation correction in SPECT studies such as cardiac function imaging is carried out using an iterative statistically-based transmission projection reconstruction algorithm that is capable of...
7321122 System for selecting true coincidence events in positron emission tomography  
Provided are new methods for enhancing the selection of true (T) annihilation events relative to the inclusion of true scattered (TS) and random (R) annihilation events in PET tomographs and...
7312455 Method and system for scatter correction in a positron emission tomography system  
Methods and systems for providing scatter correction in a positron emission tomography (PET) system are provided. The method includes determining a look-up table of scatter sinograms during a PET...
7301151 Detector for the temporally resolved recording of detection events  
The invention relates to a detector for the temporally resolved recording of detection events, comprising a converter device ( 34, 35, 36 ), which in the operating state supplies an electrical...
7297958 Radiological imaging apparatus  
A radiological imaging apparatus of the present invention comprises an image pickup device and a medical examinee holding device that is provided with a bed. The image pickup device includes a...
7292673 Dual modality tomography apparatus with a patient support device  
A tomography apparatus that has a support device that can be displaced in a displacement direction for supporting a subject, and at least two acquisition systems disposed in succession in the...
7291840 Combined transmission/emission tomography apparatus  
A combined transmission/emission tomography apparatus for generation of tomographic slice images of an examination subject (preferably of a patient), has a supporting structure composed of a...
7274021 Coincidence counting method of γray and nuclear medicine diagnostic apparatus  
A γ-ray signal processing section 60 ′ determines a detection time of a γ ray based on a α-ray detection signal outputted from a semiconductor radiation detector for detecting the γ ray, and...
7265352 Real-time list mode reconstruction  
In positron emission tomography, a nuclear medicine scanner is utilized to detect γ-ray events resulting from positron annihilation events. Molecules with known behaviors are tagged with...
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...
7254438 Multimodality medical imaging system and method with intervening patient access area  
The invention comprises a system and method for creating medical images of a subject patient using a plurality of imaging devices, such as tomographic imaging scanners. The system comprises a...
7253415 Method and apparatus for vetoing random coincidences in positron emission tomographs  
An improved gamma ray detector and method for discriminating between “true” pairs of gamma rays produced by a single positron annihilation event and those randomly occurring “pairs” of...
7252789 High-density scintillators for imaging system and method of making same  
A scintillator composition comprising a garnet represented by (M 1-x-y N x A y ) 3 (Al 5-a-b C a D b )O 12 , where M comprises yttrium, or terbium, or gadolinium, or holmium, or erbium, or thulium,...
7251523 Tomogram creating device and radiation examining apparatus  
An X-ray CT examination using a radiation examining apparatus corresponding to an X-ray CT is effected on an unbreathed examinee. A tomogram creating apparatus creates a first tomogram, based on an...
7247844 Instrument and method to facilitate and improve the timing alignment of a pet scanner  
A system for providing the timing alignment for a scanner. The system includes a removable source and detector assembly which is placed near the center of the scanner when in use. The source...
7238943 Asymmetrically placed cross-coupled scintillation crystals  
Systems and methods are described for asymmetrically placed cross-coupled scintillation crystals. A method includes coupling a plurality of photomultiplier tubes to a scintillation crystal array,...
7231011 Apparatus for photon activation positron annihilation analysis  
Non-destructive testing apparatus according to one embodiment of the invention comprises a photon source. The photon source produces photons having predetermined energies and directs the photons...
7227149 Method and system for positron emission tomography image reconstruction  
Methods and systems for controlling a positron emission tomography (PET) system are provided. The method includes receiving timing information from a PET system during an imaging scan using the PET...
7217927 Diversity processing of coincidence data  
In a PET scanner, a method for processing coincidence data includes associating a selected portion of the coincidence data with one of a plurality of subspaces of a coincidence space; deriving,...
7214944 Radiation detection system allowing improved counting of events  
The invention concerns a radiation detection device comprising a plurality of detector elements (DET 1 , DET 2 ), each detector element (DET 1 ) being associated with a circuit (AMP 1 -CMP 1 ) for...
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...
7173248 Methods and systems for positron emission tomography data correction  
Methods and systems for image overlap correction are provided. The method includes acquiring the emission projection data from a plurality of scan frames that extend across at least a portion of a...
7154096 Diagnostic imaging device for medical use  
A diagnostic imaging device is provided to detect cancers in early stages with a high degree of accuracy while minimizing the risk of X-ray exposure that can be caused by the X-ray CT examination,...
7149565 Tomogram creating method  
An X-ray CT examination using a radiation examining apparatus corresponding to an X-ray CT is effected on an unbreathed examinee. A tomogram creating apparatus creates a first tomogram, based on an...
7138635 Detector module for CT and/or PET and/or SPECT tomography  
A detector module is for CT and/or PET and/or SPECT examinations, and includes a number of measuring channels. Each measuring channel includes a direct converter for directly converting incident...
7132663 Methods and apparatus for real-time error correction  
Methods and apparatus for correcting for at least one of deadtime losses and random coincidences in a positron emission tomography (PET) medical imaging device having a plurality of detectors at...
7129496 Method and system for scattered coincidence estimation in a time-of-flight positron emission tomography system  
A method and system for controlling a positron emission tomography (PET) system is disclosed. The method includes acquiring image data and time-of-flight information from a PET system during an...
7129495 Method and apparatus for timing calibration in a PET scanner  
The invention is directed to a method and apparatus for timing calibration in a PET scanner. According to one embodiment, the invention relates to a method for timing calibration in a PET scanner...
7129494 Very fast doped LaBr3 scintillators and time-of-flight PET  
The present invention concerns very fast scintillator materials capable of resolving the position of an annihilation event within a portion of a human body cross-section. In one embodiment, the...
7126126 Compact conscious animal positron emission tomography scanner  
A method of serially transferring annihilation information in a compact positron emission tomography (PET) scanner includes generating a time signal for an event, generating an address signal...
7115875 PET scanner with photodetectors and wavelength shifting fibers  
A method for estimating a location of a most-likely photon source on a scintillator block includes obtaining a measured photodetector signal indicative of a distribution of photons received by a...
7115874 Mission-specific positron emission tomography  
A handheld gamma camera or PET system with a disposable detector head is provided. This system includes a configuration of a gamma camera or PET scanner in which optical fibers or bundles of...
7110808 Method of optimizing radiosurgery and radiotherapy with metalloporphyrins  
An apparatus and method for subsequent optimization of radiosurgery and radiotherapy is provided. The invention includes administering a metalloporphyrin to the patient, and then creating a...
7102135 PET scanner  
A positron emission camera comprising a plurality of scintillators, wherein the scintillators include LuAlO 3 :Ce (Lu x Y 1−x AP where 0.5≦x≦0.995) based crystals ( 18,20 ). In particular,...
7091489 Positron emission tomography wrist detector  
A method of serially transferring annihilation information in a compact positron emission tomography (PET) scanner includes generating a time signal representing a time-of-occurrence of an...
7088901 Light guide apparatus and method for a detector array  
According to one aspect, the invention relates to a light guide which may include a first surface which receives light, a second surface which emits light, wherein the second surface is parallel to...
7087905 Radiation three-dimensional position detector  
The radiation three-dimensional position detector of the present invention comprises a scintillator unit ( 10 ), a light receiving element ( 20 ) and an operation section ( 30 ). The scintillator...
7087904 Positron emission tomography device  
This invention is a positron emission tomography (PET) device comprising as a scintillator a perovskite organic/inorganic hybrid compound selected from the group represented by the general...
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