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POSITRON EMISSION TOMOGRAPHY SCANNER AND RADIATION DETECTOR

Foreign code F090002150
File No. F090002150
Posted date Dec 18, 2009
Country WIPO
International application number 2006JP326357
International publication number WO 2008/023451
Date of international filing Dec 25, 2006
Date of international publication Feb 28, 2008
Priority data
  • P2006-229376 (Aug 25, 2006) JP
Title POSITRON EMISSION TOMOGRAPHY SCANNER AND RADIATION DETECTOR
Abstract A positron emission tomography (PET) scanner is provided which uses information on the time-of-flight difference (TOF) between annihilation radiations for image reconstruction. The scanner has detection time correction information (memory) corresponding to information on coordinates in a radiation detection element (e.g., scintillator crystal), in the depth and lateral directions, at which an interaction has occurred between an annihilation radiation and the crystal. Reference is made to the detection time correction information, thereby providing information on time-of-flight difference with improved accuracy. As such, an improved signal to noise ratio and spatial resolution are provided for image reconstruction using time-of-flight (TOF) difference.
  • Applicant
  • ※All designated countries except for US in the data before July 2012
  • National Institute Of Radiological Sciences
  • Inventor
  • Shibuya, Kengo
  • Tsuda, Tomoaki
  • Nishikido, Fumihiko
  • Inadama, Naoko
  • Yoshida, Eiji
  • Yamaya, Taiga
  • Murayama, Hideo
IPC(International Patent Classification)
Specified countries AE AG AL AM AT AU AZ BA BB BE BF BG BJ BR BW BY BZ CA CF CG CH CI CM CN CO CR CU CY CZ DE DK DM DZ EC EE EG ES FI FR GA GB GD GE GH GM GN GQ GR GT GW HN HR HU ID IE IL IN IS IT KE KG KM KN KP KR KZ LA LC LK LR LS LT LU LV LY MA MC MD MG MK ML MN MR MW MX MY MZ NA NE NG NI NL NO NZ OM PG PH PL PT RO RS RU SC SD SE SG SI SK SL SM SN SV SY SZ TD TG TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
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