—   —  —  61675-1-2013 . . 1.


61675-1-2013 . . 1.

61675-1-2013 . . 1.

61675-1-2013
" . . 1. "
(. 8 2013 . N 1535-)

Radionuclide imaging devices. Characteristics and test conditions. Part 1. Positron emission tomographs

- 1 2015 .

1 " - " ( "" ) , 4

2 411 " , "

3 08 2013 . N 1535-

4 61675-1:2008 " . . 1: " (IEC 61675-1:2008 "Radionuclide imaging devices - Characteristics and test conditions - Part 1: Positron emission tomographs")

5

3D. . 3D . . .

1

1.1

. , , .

.

, . , , . , .

, .. .

1.2

:

/ 60788:2004 . (IEC 60788:2004, Medical electrical equipment - Glossary of defined terms)

2

/ 60788, :

2.1

2.1.1 (TRANSVERSE TOMOGRAPHY): , , , . .

2.1.2 () [EMISSIONCOMPUTED TOMOGRAPHY ()]: .

2.1.2.1 (PROJECTION): , , , , .

- ( ) .

2.1.2.2 (PROJECTION BEAM): , , , . .

- . , .

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): , . , .

2.1.2.8.3 (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)): .

- , , .

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): , , . , . . , .. .

- , , .. . , , .. , " ".

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): , .

- ( ) , . .

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 WIDTH): - .

2.4.4 () (EQUIVALENT WIDTH (EW)): , , , .

2.4.5 () [FULL WIDTH AT HALF MAXIMUM (FWHM)].

2.5 (RECOVERY COEFFICIENT): , , .

- .

2.6

2.6.1 (SLICE SENSITIVITY): , , .

- .

2.6.1.1 (NORMALIZED SLICE SENSITIVITY): , () ( ).

2.6.2 (VOLUME SENSITIVITY): .

2.7 (COUNT RATE CHARACTERISTIC)

2.7.1 (COUNT LOSS): , .

2.7.2 (COUNT RATE): .

2.7.3 (TPUE COUNT RATE).

2.7.4 (ADDRESS PILE UP): - , , .

2.7.4.1 (PILE UP EFFECT): - -, .

2.8 () (SCATTER FRACTION (SF)): .

2.9 (POINT SOURCE): , - .

2.10 (LINE SOURCE): , - .

3




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