Table 1 Simulated NEMA sensitivity and geometric characteristics comparison between designs A and B and the biograph vision 600 and biograph Quadra
Design A | Design B | Biograph vision 600 | Biograph vision Quadra | |
|---|---|---|---|---|
NEMA sensitivity (kcps/MBq) | 28.1 | 102.6 | 20.2 | 232.5 (MRD 322)–110.4 (MRD 85) |
Axial length (cm) | 36.2 | 72.6 | 26.1 | 106 |
Crystal thickness (mm) | 16 (LYSO) | 16 (LYSO) | 20 (LSO) | 20 (LSO) |
Detector surface (× 106 mm2) | 0.70 | 1.40 | 0.62 | 2.49 |
Scintillator volume (× 106 mm3) | 11.20 | 22.40 | 12.45 | 49.80 |