Siemens Biograph is a flexible, high-powered medical imaging platform. It offers an wide range of performance options to enhance image resolution and quality, improve patient satisfaction as well as throughput. Customize the Biograph™ solution to meet your specific needs by selecting from various multislice CT configurations, high or standard resolution options, and clinical configuration options.

Siemens Biograph 40 / 64 System Features:

Patented PET Detector Assembly Biograph 16, 40, 64
Detector material Lutetium Oxyorthosilicate (LSO)
Crystal dimensions 4.0 x 4.0 x 20 mm
Crystals per detector block 169
Number of detector blocks 144 (192 with TrueV option)
Photomultiplier tubes (PMTs) 4 per block
Detector ring diameter 842 mm
Detectors per ring 624
Number of detector rings 39 (52 with TrueV option)
Total number of detectors 24336 (32448 with TrueV option)
Transaxial FOV 605 mm
Axial FOV 162 mm (216 with TrueV option)
Number of image planes 81(109 with TrueV option)
Plane spacing 2 mm

PET Data Acquisition/Processing Biograph 6, 40, 64
Coincidence time resolution 500 psec
Coincidence window 4.5 nsec
Acquisition mode Static, multibed (dynamic, gated optional)
Scatter fraction <38% @435 keV LLD
Scatter correction TrueC Single scatter simulation
PET Performance1 Biograph 6, 40, 64
Count rate peak NECR 96 kcps@35 kBq/cc (165 kcps@32 kBq/cc with TrueV option)
Sensitivity 4.2 cps/kBq @ 435 keV (7.6 with TrueV option)
Energy resolution <14%
Uniformity ≤5% variation
PET Resolution Specifications 1 Biograph 6, 40, 64 HI-REZ Option HD•PET Option2
Transaxial resolution (NEMA 2001) Average resolution
FWHM @ 1 cm 5.9 mm 4.2 mm FWHM @ 1 cm 2.0 mm
FWHM @ 10 cm 6.0 mm 4.8 mm FWHM @ 10 cm 2.0 mm
Axial resolution (NEMA 2001) FWHM @ 20 cm 2.1mm
FWHM @ 1 cm 5.5 mm 4.7 mm FWHM @ 28 cm 2.4 mm
FWHM @ 10 cm 6.0 mm 5.7 mm