Siemens Biograph Vision
Manufacturer: Siemens Healthineers · Modality: PET/CT
Digital PET/CT successor to the Biograph mCT. SiPM detectors, best-in-class Time-of-Flight timing (~214 ps — narrowest in clinical PET), smallest crystal pixel (3.2 × 3.2 × 20 mm), 26 cm axial FOV.
What sets Vision apart
- ~214 ps ToF timing — industry-leading at launch. Meaningfully tighter localization than competitors (Discovery MI ~375 ps, Vereos ~320 ps).
- 3.2 mm crystal pixel — finer than any competitor clinical PET. Better small-lesion detection.
- 26 cm axial FOV — faster whole-body; competitive with GE Discovery MI 25 cm configurations.
- CT side — SOMATOM-lineage integration; multiple CT variants (64-slice up).
Clinical positioning
Top-end PET/CT. Used in academic centers, cancer centers, and high-volume oncology practices where small-lesion conspicuity + fast throughput + low-dose protocols matter.
Specs
- LSO crystals · 3.2 × 3.2 × 20 mm
- SiPM readout with TrueX technology
- ToF ~214 ps
- 26 cm axial FOV
- CT side — Siemens SOMATOM integration (varies)
- Iterative reconstruction (TrueX, FlowMotion continuous-bed-motion)
Service reality
Current OEM production; service contracts dominate. Parts ecosystem limited on refurb side — not many used Visions on the market yet.