1、 61675-1 2013 1 IEC 61675-1:2008 Radionuclide imaging devices Characteristics and test conditions Part 1: Positron emission tomographs (IDT) 61675-12013 II 1 - ( ) , 4 2 411 , 3 08 2013 . 1535- 4 61675-1:2008 . . 1: (IEC 61675-1:2008 Radionuclide imaging devices Characteristics and test conditions P
2、art 1: Positron emission tomographs) 5 1.02012 ( 8). ( 1 ) , . () . , (gost.ru) , 2014 , 61675-12013 III 1 1 2 1 3 . 5 4 . 17 () 29 30 61675-12013 IV 3D. . 3D . . . 61675-12013 1 1 Radionuclide imaging devices. Characteristics and test conditions. Part 1. Positron emission tomographs 20150101 1 1.1
3、 , , . . , . , , . , . , . . . 1.2 : / 60788:2004 . (IEC60788:2004, Medical electrical equipment Glossary of defined terms) 2 / 60788, : 2.1 2.1.1 (TRANSVERSE TOMOGRAPHY): , , , . . 2.1.2 () EMISSIONCOMPUTED TOMOGRAPHY (ECT): . 2.1.2.1 (PROJECTION): , , , , . ( ) . 2.1.2.2 (PROJECTION BEAM): , , ,
4、 . 61675-12013 2 . , . 2.1.2.3 (PROJECTION ANGLE): , . 2.1.2.4 (SINOGRAM): . , . 2.1.2.5 (OBJECT SLICE): . , . 2.1.2.6 (IMAGE PLANE): , . . 2.1.2.7 (SYSTEM AXIS): , . . . 2.1.2.8 (TOMOGRAPHIC VOLUME): , . 2.1.2.8.1 (TRANSVERSE FIELD OF VIEV): , . . . 2.1.2.8.2 (AXIAL FIELD OF VIEW): , . , . 2.1.2.8
5、3 (TOTAL FIELD OF VIEW): ( ) . 2.1.3 () POSITRON EMISSION TOMOGRAPHY (PET): , - : 2.1.3.1 (POSITRON EMISSION TOMOGRAPH): , - . 2.1.3.2 (ANNIHILATION RADIATION): , , . 2.1.3.3 (COINCIDENCE DETECTION): . . (). 2.1.3.4 (COINCIDENCE WINDOW): , . 2.1.3.5 () (LINE OF RESPONSE (LOR): . 61675-12013 3 , , .
6、 2.1.3.6 (TOTAL COINCIDENCE): . 2.1.3.6.1 (TRUE COINCIDENCE): -, . 2.1.3.6.2 (SCATTERED TRUE COINCIDENCE): , , , . 2.1.3.6.3 (UNSCATTERED TRUE COINCIDENCE): . 2.1.3.6.4 (RANDOM COINCIDENCE): , . 2.1.3.7 (SINGLES RATE): , , . 2.1.4 2.1.4.1 (TWO-DIMENSIONAL RECONSTRUCTION): , , . , . . , . . , , . . ,
7、 , . , “ “. 2.1.4.2 (THREE-DIMENSIONAL RECONSTRUCTION): , . . , . . 2.2 (IMAGE MATRIX): . 2.2.1 (MATRIX ELEMENT): , (). 2.2.1.1 (PIXEL): . 2.2.1.2 (TRIXEL): . 2.2.2 (VOXEL): , ( ). . 2.3 () POINT SPREAD FUNCTION (PSF): . 2.3.1 (PHYSICAL POINT SPREAD FUNCTION): , . 61675-12013 4 ( ) , . . 2.3.2 (AXIS POINT SPREAD FUNCTION): , , . 2.3.3 (TRANSVERSE POINT SPREAD FUNCTION): . , . 2.4 (SPATIAL RESOLUTION): . 2.4.1 (TRANSVERSE RESOLUTION): , . 2.4.1.1 (RADIAL RESOLUTION): , . 2.4.1.2 (TANGENTIAL RESOLUTION): , . 2.4.2 (AXIAL RESOLUTION): , . 2.4.3 (AXIAL SLICE WI
