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1. WO1999056150 - TRANSMISSION SCANNING TECHNIQUE FOR GAMMA CAMERA COINCIDENCE IMAGING

Publication Number WO/1999/056150
Publication Date 04.11.1999
International Application No. PCT/US1999/009009
International Filing Date 26.04.1999
Chapter 2 Demand Filed 23.11.1999
IPC
G01T 1/161 2006.01
GPHYSICS
01MEASURING; TESTING
TMEASUREMENT OF NUCLEAR OR X-RADIATION
1Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
16Measuring radiation intensity
161Applications in the field of nuclear medicine, e.g. in vivo counting
G01T 1/166 2006.01
GPHYSICS
01MEASURING; TESTING
TMEASUREMENT OF NUCLEAR OR X-RADIATION
1Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
16Measuring radiation intensity
161Applications in the field of nuclear medicine, e.g. in vivo counting
164Scintigraphy
166involving relative movement between detector and subject
G21K 1/02 2006.01
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
1Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
02using diaphragms, collimators
CPC
A61B 6/037
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
02Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
03Computerised tomographs
037Emission tomography
G01T 1/1615
GPHYSICS
01MEASURING; TESTING
TMEASUREMENT OF NUCLEAR OR X-RADIATION
1Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
16Measuring radiation intensity
161Applications in the field of nuclear medicine, e.g. in vivo counting
1615using both transmission and emission sources simultaneously
G01T 1/2985
GPHYSICS
01MEASURING; TESTING
TMEASUREMENT OF NUCLEAR OR X-RADIATION
1Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
29Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
2914Measurement of spatial distribution of radiation
2985In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis);
Applicants
  • DUKE UNIVERSITY [US]/[US]
Inventors
  • TURKINGTON, Timothy, G.
  • LAYMON, Charles, M.
  • COLEMAN, R., Edward
Agents
  • DAVIDSON, Bryan, H.
Priority Data
60/083,08127.04.1998US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) TRANSMISSION SCANNING TECHNIQUE FOR GAMMA CAMERA COINCIDENCE IMAGING
(FR) TECHNIQUE DE TOMOGRAPHIE A TRANSMISSION POUR IMAGERIE PAR COINCIDENCE A L'AIDE DE CAMERAS GAMMA
Abstract
(EN)
Gamma-camera coincidence (GCC) imaging system (10) and method include a pair of gamma camera imaging heads (12, 14) rotatable about a patient-longitudinal imaging axis (A1). The imaging heads (12, 14) each having a plurality of radiation opaque septa plates (12-1, 14-1) extending transversely relative to the imaging axis about which they rotate. Adjacent ones of the septa plates are spaced apart along said imaging axis. At least one point source of radiation (16) is positionally fixed between a predetermined adjacent pair of the septa plates (14-1a, 14-1b) of one of the imaging heads (14) so as to be concurrently rotatable therewith.
(FR)
L'invention se rapporte à un système et à un procédé d'imagerie (10) par coïncidence à l'aide de caméras gamma (GCC $i(gamma camera coincidence)). Ledit système comporte une paire de têtes (12, 14) pour imagerie par caméras gamma, susceptibles de tourner autour d'un axe d'imagerie (A1) disposé longitudinalement au patient. Lesdites têtes (12, 14) comportent chacune une pluralité de plaques septa opaques au rayonnement (12-1, 14-1) et disposées transversalement par rapport à l'axe d'imagerie autour duquel elles tournent. Des plaques septa adjacentes sont espacées l'une de l'autre le long dudit axe d'imagerie. Au moins une source ponctuelle de rayonnement (16) est placée en position fixe entre deux plaques adjacentes préétablies de l'ensemble de plaques septa (14-1a, 14-1b) de l'une des têtes d'imagerie (14) de manière à pouvoir tourner conjointement aux têtes.
Also published as
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