TABLE 1.
Bore sizes, FOV, and minimum aperture widths resulting from couch position tabulated for fourteen MR and one MR-IGRT systems across five vendors.
| MR system vendor | Model | Bore size (cm) | Min. aperture (cm) | FOV (cm3) |
|---|---|---|---|---|
| GE | Signa (1.5 T) | 60 | 46.5 | 48 × 48 × 48 |
| Optima MR450w | 70 | 52 | 50 × 50 × 50 | |
| Discovery MR750w | ||||
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| ||||
| Philips | Intera | 60 | 42 | 53 × 53 × 53 |
| Panorama | Open | 45 | 45 × 45 × 45 | |
| Achieva | 60 | 42 | 53 × 53 × 53 | |
| Ingenia | 70 | 53 | 55 × 55 × 50 | |
|
| ||||
| Siemens | Symphony | 60 | 45.2 | 50 × 50 × 50 |
| Avanto | 45.5 | |||
| Aera | 70 | 55 | ||
| Skyra | ||||
| Verio | ||||
|
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| Toshiba | Vantage | 60 | 48.3 | 50 × 50 × 50 |
| Titan | 69 | 52.9 | 55 × 55 × 50 | |
|
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| ViewRay | MRIdian | 70 | 55 | 50 × 50 × 50 |