Patent application number | Description | Published |
20090236532 | TIME OF FLIGHT MEASUREMENTS IN POSITRON EMISSION TOMOGRAPHY - A positron emission tomography apparatus ( | 09-24-2009 |
20090324042 | METHOD AND SYSTEM FOR IMPROVED TOF PET RECONSTRUCTION - A time of flight positron emission tomography apparatus ( | 12-31-2009 |
20100098311 | LIGHT DETECTION IN A PIXELATED PET DETECTOR - In nuclear imaging, solid state photo multipliers ( | 04-22-2010 |
20100102813 | PET/MR SCANNERS FOR SIMULTANEOUS PET AND MR IMAGING - In a combined system, a magnetic resonance (MR) scanner includes a magnet ( | 04-29-2010 |
20100200763 | SILICON PHOTOMULTIPLIER ENERGY RESOLUTION - A family of photodetectors includes at least first and second members. In one embodiment, the family includes members having different pixel sizes. In another, the family includes members having the same pixel size. The detection efficiency of the detectors is optimized to provide a desired energy resolution at one or more energies of interest. | 08-12-2010 |
20100219345 | VIRTUAL PET DETECTOR AND QUASI-PIXELATED READOUT SCHEME FOR PET - When designing detector arrays for diagnostic imaging devices, such as PET or SPECT devices, a virtual detector, or pixel, combines scintillator crystals ( | 09-02-2010 |
20110233413 | SILICON PHOTOMULTIPLIER TRIGGER NETWORK - An apparatus ( | 09-29-2011 |
20120001075 | METHOD TO OPTIMIZE THE LIGHT EXTRACTION FROM SCINTILLATOR CRYSTALS IN A SOLID-STATE DETECTOR - A light transmitting element such as a scintillating element ( | 01-05-2012 |
20120199748 | RADIATION CONVERSION ELEMENTS WITH REFLECTORS FOR RADIOLOGICAL IMAGING APPARATUS - An apparatus comprises a plurality of radiation conversion elements ( | 08-09-2012 |
20120206139 | PET/MR SCANNERS FOR SIMULTANEOUS PET AND MR IMAGING - In a combined system, a magnetic resonance (MR) scanner includes a magnet configured to generate a static magnetic field at least in a MR examination region from which MR data are acquired. Radiation detectors are configured to detect gamma rays generated by positron-electron annihilation events in a positron emission tomography (PET) examination region. The radiation detectors include electron multiplier elements having a direction of electron acceleration arranged substantially parallel or anti-parallel with the static magnetic field. In some embodiments, the magnet is an open magnet having first and second spaced apart magnet pole pieces disposed on opposite sides of a magnetic resonance examination region, and the radiation detectors include first and second arrays of radiation detectors disposed with the first and second spaced apart magnet pole pieces. | 08-16-2012 |
20130153776 | PIXELLATED DETECTOR DEVICE - The present invention relates to a pixellated detector with an enhanced structure to enable easy pixel identification even with high light output at crystal edges. A half-pixel shift between scintillator crystals ( | 06-20-2013 |
20130310681 | PET/MR SCANNERS FOR SIMULTANEOUS PET AND MR IMAGING - In a combined system, a magnetic resonance (MR) scanner includes a magnet configured to generate a static magnetic field at least in a MR examination region from which MR data are acquired. Radiation detectors are configured to detect gamma rays generated by positron-electron annihilation events in a positron emission tomography (PET) examination region. The radiation detectors include electron multiplier elements having a direction of electron acceleration arranged substantially parallel or anti-parallel with the static magnetic field. In some embodiments, the magnet is an open magnet having first and second spaced apart magnet pole pieces disposed on opposite sides of a magnetic resonance examination region, and the radiation detectors include first and second arrays of radiation detectors disposed with the first and second spaced apart magnet pole pieces. | 11-21-2013 |
20140084170 | OPTIMIZED SCINTILATOR CRYSTALS FOR PET - When employing specular reflective material in a scintillator crystal array, light trapping in the crystal due to repetitive internal reflection is mitigated by roughening at least one side ( | 03-27-2014 |
20140206983 | PET/MR SCANNERS FOR SIMULTANEOUS PET AND MR IMAGING - In a combined system, a magnetic resonance (MR) scanner includes a magnet configured to generate a static magnetic field at least in a MR examination region from which MR data are acquired. Radiation detectors are configured to detect gamma rays generated by positron-electron annihilation events in a positron emission tomography (PET) examination region. The radiation detectors include electron multiplier elements having a direction of electron acceleration arranged substantially parallel or anti-parallel with the static magnetic field. In some embodiments, the magnet is an open magnet having first and second spaced apart magnet pole pieces disposed on opposite sides of a magnetic resonance examination region, and the radiation detectors include first and second arrays of radiation detectors disposed with the first and second spaced apart magnet pole pieces. | 07-24-2014 |